Would love to see some pics of your install. Your link has been automatically embedded. Would end the argument. Carburetors are old technology, not well suited to different altitudes, step up to the 1980's and get a fuel-injected engine. You have allowed cookies to be placed on your computer. Then the fuel source was switched to a second tank and the consumption precisely measured on the ground after exactly an hour of flight. At thisstage of the LSA market, buying a carbd Rotax is truly short sighted in my view. Notify me of follow-up comments by email. The 912is is the first full fadec aviation engine with auto lean of peak and it has been a challenge. Sign up Top Rotax-Owner.com Prices shown are in USD. Hey thinking about a 915 on a superstol. Upload or insert images from URL. While not especially hard you can hardly get in trouble with such equipment on a modern, liquid-cooled Rotax you nonetheless have to fiddle with levers and knobs, and keep an eye on instruments. Just curious. Carbs vs. Fuel Injection. Christian jockeyed them around liberally without detriment. I have full confidence Rotax will get it 100% but as of today I'm still more comfortable behind the carb engines. The complete package presents the latest technology in the aircraft engine industry and will enhance the flying and ownership experience of pilots. engine management system. The new Sport Pilot rule makes flying affordable! Where can I see fuel burn/altitude charts for the 915is engine? and ROTAX factory in Gunskirchen, Austria. [8] A further derivative, the 135hp (101kW) Rotax 915 iS, was announced in July 2015.[9]. I would stick with the 912i. Takeoff roll is substantially reduced. Christian demonstrated that you can move the throttle and prop control without my experience of adjusting each very cautiously and slowly. The ICON A5 uses the Rotax 912 iS engine, which is slightly different than the 912 ULS powerplant often found in other Light Sport aircraft. I live at 5,000 feet altitude, so a turbocharger is a must. I'm an LSRM with a small LSA service/flight center in AZ. Please update your cookie preferences to see this video. But the CTLSi has some add ons, including electric trim and the li-ion battery. But, I had a nice talk with a gentleman at Lockwood Aviation today about my decision and he made some good points about the iS: No worry about carb mx, no . The iS has more components, including the fuel injection system, ECUs and dual, high-pressure fuel pumps. Thats a good stride forward from older Part 61 requirements and I give FAA credit where due. Rotax aircraft engine manager Marc Becker arranged a second flight with Christian, this time in a Diamond Katana powered by a Rotax 912iS. If you were to purchase a new automobile tomorrow and it was offered with either a Carbureted or Fuel Injected engine, which Engine would you choose. To me, the 915iS is better suited to larger (heavier) aircraft or those serving particular missions, such as LSA seaplanes or aircraft operating from high elevation fields. I hope you don't mind me responding but the post is referencing a Tecnam after all! In our family we have also had two 912ULS powered planes, and one 914. Yet for those who yearn for more power or are building an aircraft of higher capabilities, the 915iS is going to be a welcome powerplant. How fast do you want to go?. Was easily resolved by a good Tech but goes to show nothing is ever perfect. Best speed for the 912i is at 7,500'DA Best speed for the 914 is prolly 16,000'. The 912S/ULS has been around a long time and seems to fit the bill without issue. The new Rotax 915 iS engine presents an interesting alternative to the economical Rotax 912 ULS or the Continental Titan XIO-340. Overall both the Astore and P2008 are just physically largerthan otherLSAs so there is not a lot of difference. The engine is by far the most reliable Rotax ever made. Many of the early installs didnt have this, mine didnt so we immediately added it and this is likely why we have had zero faults. 75mm, P.C.D. Im about to take the plunge! Rotax 912iS versus the 914 Turbo - Which One. ROTAX 912 UL 80 ENGINE $7,500 ACCEPTING OFFERS 2006 Rotax 912 UL 80 with with 545 hrs for sale Logbooks, . You have allowed cookies to be placed on your computer. extend the cowling 3.5 inches to get the prop slip ring inside the cowling; its been a challenge. I will cover many aircraft stories, but allow me to take the most recent first: flying the brand-new Rotax 915iS and comparing it to the 912iS, although not in the same airframe. I have seen some scary holes burned throughfancy tight cowls. In my opinion, this is not a simple decision. Regardless all the electrical power to run the engine comes from the engine. In the interest of getting this out now (Im away from my office), I will just say Id be surprised if that kind of information is not on the FlyRotax website. by FastEddieB Mon Feb 27, 2017 8:11 am, Post Electronic fuel injection requires electrons. [4] The 912 may be operated using leaded fuel, but this is not recommended as lead sludge tends to accumulate in the oil tank and reduction gearbox. Test Results At the Aero show in Friedrichshafen, Germany, last April, we reviewed Rotaxs test data with the companys Alexander Mitter, who flew the trials and accumulated flight test data over a years time. (Both will remain available for now.) (You must log in or sign up to reply here. Much better and cheaper than MT prop. Fuel needs of both 915iS and 912iS are essentially the same. Thanks for reading and watching! The Stock Box proved most helpful in observing many factors about the new engine. It is also fitted to some light twins, such as the Tecnam P2006T. As you can see in the nearby images, it provides, among other information, a percentage of throttle, fuel burn, and engine revolutions plus prop speed expressed via manifold pressure. Hey Reverend, your overreacting to Dans comments. Late to this party, I fly constant speed props and appreciate them. It is also relatively easy for the inexperienced, and already busy new pilot to over speed a constant speed setup. 80mm and P.C.D. I can inquire, but so can you, directly with the engine manufacture. Is Rotax similar? Such an aircraft is far outside our area of reporting. Gas vs. Diesel Rotaxs tests validate a trend thats been apparent in the automotive industry for two decades. Thomas Uhr, head of Rotaxs Austria plant and a longtime engine expert and enthusiast and also a pilot advises the highest octane auto fuel, preferably without alcohol, to get the most power and best results. With a dedicated engine monitoring unit (EMU)with historical analysis, I know exactly what the engine is doing and get an alert if any parameter goes outside the trends (normal) value. Our expectation is to have 400 engines out in the fieldby year end, Marc added. The injected engines have/require among other things metal fuel lines, high pressure filters, and providesubstantially more electrical power along with over 27 engine sensors and dual redundant Engine Control Units (ECU). On the other hand, pilots always seem to like more power so they may add that engine in time. * On the point about an in-flight adjustable or constant speed prop, Rotax Aircraft Engines top boss Thomas Uhr made an important statement when I asked about fixed pitch props on the 915, All our engines can use fixed pitch props. As a leader of a public company, he spoke carefully, but the suggestion was clear: Yes, a fixed pitch 915iS is coming, although today the engine is only driving an in-flight adjustable prop. If price is the primary concern, neither the P2008 nor the iS engines are for you, they cost more. I would prefer the 914 if I was you. Price does not include shipping. Required fields are marked *. Use spaces to separate tags. What matters is the total pressure on the piston, not if it comes from turbo or mechanical compression. by drseti Mon Feb 27, 2017 8:19 am, Post Hi Tyler: Thanks for your kind remark. Best of both worlds, fuel injected and turbo! All three Rotax engines are offered by Tecnam because we believe they are all good viable choices. We leave passenger aircraft to other magazines or websites. However, the engine received US Federal Aviation Administration (FAA) certification in 1995, and by 1999, the TBO had increased to 1,200hours;[3] on 14 December 2009, the TBO was raised from 1,200hours to 1,500hours, or 1,500hours to 2,000hours, depending on serial number. 2:43:1 Gear Reduction, Electric Start and Engine Mount. Display as a link instead, Plan on attending the Annual Sport Pilot Expo. Facts: 4-cylinder 4-stroke liquid/air-cooled engine with opposed cylinders Eco Mode One reason the 912 iS is performing better than claimed, according to Rotax, is that the engine runs more efficiently in so-called eco mode than was originally thought and its also more efficient in power mode than Rotax originally calculated. It does come with a few costs, as did the 912iS fuel injected engine compared to the 912ULS carbureted engine. Just make sure you know what you're getting into. 75mm, P.C.D. I used to synch the carbs on motorcycles myself and found it easy. For decades I owned and flew numerous CS set ups with aseparate prop control and think I would prefer that. The manual adds that non-compliance with such warnings could lead to serious injury or death.[10]. 912 ULS | S 100 HP Engine with the best-in-class power-to-weight ratio. So I'm about to buy a pipistrel virus SW and was wondering if the 912iS is a better option over the 912ULS in the general community's opinion. Dry sump forced lubrication with separate oil tank, automatic adjustment by hydraulic valve tappet. The Rotax 912 is a horizontally-opposed four-cylinder, naturally aspirated, four-stroke aircraft engine with a reduction gearbox. He also explained that (perhaps surprisingly to some readers) the 915iS compression ratio is lower to allow for the turbo boost. Rotax engine experts felt most of this is attributable to software and the same code can also be applied to the 912iS. Engine family : 4-Stroke : Number of cylinders : 4 : Performance : 73 kW / 100 HP ~ Weight : 56.6 kg : Performance / RPM : 73.5 kW / 5800 rpm : Engine torque / RPM . To receive critical-to-safety information on your ROTAX Engine, please subscribe toROTAX-OWNER.COM. * leaded, unleaded, AVGAS 100LL, Ethanol 10** max. 2023 Leading Edge Air Foils, LLC. [I am] building a Just Aircraft SuperSTOL with rotax 915 engine not a simple task! I've yet to dig through the manual, guys, but I think Andy nailed it. It was still powerful. We end up discussing pros and cons of the Rotax engines regularly. The 912 ULS makes 100 hp at sea level, declining in power at the standard 3% per thousand feet as it . Your previous content has been restored. Lets do the same thing for increased weight, complex, and night. Acknowledged that and hit the throttle. I believe this is because of the slightly lower compression ratio but I could be wrong on that. When zipping along faster than 170 miles an hour true, consumption rose to the 7-9 gph range. Ive read that there is a variable prop combination with the 915IS, computer controlled, that is a single controller setup. Rotaxs 915iS uses the same displacement as the 912iS. Id be a bit surprised if this conservative company embraced that. We are about 90 percent done and 90 percent to go. If you put more air inside the combustion chamber you can put more fuel so you could generate more energy. The first time I flew the P2008 with the 914 i was very surprised how much stronger it was. Just want to better understand Pros and Cons of the 912iS vs. the 912ULS. FAA Regulation Update Fall 2022. The 912 iS is approved for 91 AKI mogas, but in equipping the engine with future knock-sensing capability, Rotax seems to be anticipating approvals for lower-octane fuels. I have two Aircraft one with a ULS (100 hr) one with an IS 420 hr. To receive critical-to-safety information on your ROTAX Engine, please subscribe toROTAX-OWNER.COM. Hi Mike: I dont know what airframe you refer to regarding a 915iS install. . Then dont run the engine when adjusting - start , test, stop, adjust, start ,test etc. However, at the most basic level of Sport Pilot certificate, requiring only 20 hours of dual and solo, I dont believe a pilot should be reasonably expected to also learn about about in-flight prop adjustment; he or she may have no need or desire to acquire that skill. List ByDanJohnson.com all LSA Services each one verified to have the airplane or expertise you seek. After trying to get my bearings with ATC, I landed uneventfully. I found the engine to fly flawlessly in my experience and powerfully! Typically, ULS overhauls costs are about $13,500 to $15,000, but can be higher if valve or cylinder work is needed. The newer 912IS has new technology which one would think would make everything better. You do not have permissions to reply to this topic. Engine performance may vary depending on, among other things, general conditions, ambient temperature and altitude. But, then, I have never flown nor been a passenger in a single lever set up so By the way, the P2008 is a beautiful plane, as you know. ROTALK NEWS Episode 3Michael Smith's Rotax-Powered Searey Circumnavigation, the amazing Rotax-Powered Lockwood Aircam and Anthony Caere's chimpanzee rescue operations. Please contact Just Aircraft. Bill Hertzel Rotax 912is North Ridgeville, OH, USAClicking the "Thank You" is Always Appreciated by Everyone. In terms of power, our 912iSc sport engined P2008climbs out of Mammoth Lakes on a 90 degree day, with full tanks, two on board, one bag,at 1000fpm at 80KIAS. The compression ratio is one thing the pressure inside the combustion chamber is another thing, in a turbo engine the the air is forced inside the combustion chamber in a normal engine is aspirated, thats why even at lower compression ratio the pressure inside a turbo engine is much higher. [1] Originally available only for light sport aircraft, ultralight aircraft, autogyros and drones, the 912-series engine was approved for certified aircraft in 1995.[2]. What make and model of turbocharger does Rotax use on the 914 and 915is engines? Which is your favorite (and why)? The Rotax 912 was first sold in 1989 in non-certificated form for use in ultralights and motorgliders. It features liquid-cooled cylinder heads and air-cooled cylinders. Pasted as rich text. That sounds dubious to me. Adam, The 912iS has 2 stators one dedicated to engine operation and one to provide electrical power for the airplane. Fly with an instructor, show your competency and get signed off. 4 inches also can be fitted with an adaptor, drive and governor for a constant speed propeller. The 914's performance only gets better and better up high and the 912 falls off normally. It is true that the 115 hp is available for five mins. any and all info you can provide would be golden. A fellow aviation journalist a pilot of 300 different aircraft Dave Unwin felt the 915 started softer. He also felt it seemed to run slightly smoother. Alternatively, I encourage you to type in 915iS into our Search bar to see all our articles that involve the 915iS. Hence the push for single lever control, a simpler way to handle in-flight prop control. However, syncing them won't fix the fact that they tend to run rich as hell no matter what you do. Its quite a bit more costly and is more power than needed on Aerotrek. We have excellent design capability skills available in metal or composites. All rights reserved. At this setting the 914 is making a lot more horsepower that a 912. Maybe the 915iS will bean option at some point unless its too heavy. The highly reliable and efficient entry-level motor for light aviation aircraft manufacturers. No other modifications were done, according to Mitter, other than fuel plumbing. Originally equipped with carburetors, later versions are fuel injected. The gearbox has proven to be generally trouble-free. Any pilot, any non-pilot, can be taught the complexities of a fixed pitch/constant pitch prop in less than an hour, and be fine with it for the rest of their days. Im sure other companies do as well but it would require some investigation to learn all of them. The 912's popularity was greatly enhanced by the introduction of the light-sport aircraft category in Europe and the United States, which resulted in the introduction of many factory-built aircraft designed to fully exploit the engine's small size and light weight. 4 inches, Shaft with flange for constant speed propeller P.C.D. By using our website, you agree that we can place these types of cookies on your device. We have been conned into the cheap bolt on turbo extra power. Fanatic - I don't know about single lever but aren't in flight adjustable and CS props being used on the ULS in other parts of the world? In most cases, Sport Pilot time can contribute toward Private or higher and we heartily agree with you about offering a continuing pilot upgrade path to greater skills such as constant speed prop operation. This website uses cookies to manage authentication, navigation, and other functions. Climb was 1,000 fpm. Your need to keep the greasy side down may be 'cause you pushed the pistons into the sump with over boost at low engine speed. Thanks! (Tom, do you concur?). When I can Ill look myself, perhaps I will add to this comment. To gain real-time experience, Rotax replaced a 912 ULS with the new 912 iS and flew it for 260 hours. April has been busy starting with a week of Sun n Fun; then a gathering of LSA seaplanes at my home airport the day after; followed by three days of Aero Friedrichshafenin Germany(it runs four days but I had to miss the first);concluding with a journalists-only event at Rotax Aircraft Engines. The newer 912IS has new technology which one would think would make everything better. Overall I would argue better minds than ours made a good call. Paste as plain text instead, Mitter said the test protocol called for trials on days of similar temperatures and density altitudes and defined run periods. Rotax 912 S/ULS. For that question Im a firm advocate of the injected engine. Yours is a good request so if its not available, Ill contact the company. But in the wrong direction, if the companys recent year-long test of the 912 iS is to be believed. Thanks, George. Just pursue a PPL if one wants to increase the complexity, thats what its there for, and its not at all difficult to do. Plugging that number into Rotaxs data reveals a to-TBO cost savings of about $13,000not quite the total overhaul nut, but no trivial sum, either. * leaded, unleaded, AVGAS 100LL, Ethanol 10** max. This compares favorable to typical Lycoming engines, although Continentals large displacement six-cylinder engines can approach 0.39 BSFC when running lean of peak. Got it, thanks for clarifying. Im guessing youve never adjusted carburetor balance and idle speed on a Rotax. Thank you so much. Without providing much detail, Rotax said the 912 iS is also capable Lambda 1.3 or lean-of-peak operation. Heres our video on a system called Single Lever Control, which LAMA has promoted with some success to FAA for consideration in their ongoing Rulemaking update to LSA and Sport Pilot. 2:43:1 Gear Reduction, Electric Start and Engine Mount. Although I loved the power of the 915iS with its shortened takeoff roll, thrilling climb to altitude, low-speed fuel economy, and quiet running, the 912iS ismore my kind of engine. This requires a novel preflight inspection procedure: before checking the oil level with the dipstick, the engine is "burped" by removing the oil filler cap and turning the propeller until a gurgling sound is heard, which indicates that all oil has been forced into the tank and the oil level can now be checked accurately. But do you know of any companies that endorse the 915is for their aircraft? Although weoccasionally see a pilot switch from high to low wing or vise versa it doesn't happen often. Price does not included shipping. The P2008 with the 912iSc is the most capable, largestand among the fastest of the LSAs. It's not terribly difficult or time consuming. We are interested in development of sea plane with passenger capacity of 15 plus passenger with a turbine twin engines. But more likely, it will account for just a substantial fraction of the overhaul cost. Highly recommend. by MrMorden Tue Feb 21, 2017 10:23 am, Post The Rotax is a more proven engine (Many more out there) What other things am I missing? When I hear negativity about the 914 it is nearly always from someone who has never flown behind one. As the fast car guys say, Speed costs money. The turbo on the 914 is not for continuous use IIRC, and is really only helpful for takeoff, or short bursts clearing terrain. Earlier this year, Rotax. Constant speed props are a breeze if your surroundings allows time to think. The iS engine is very nice, but it's $3000 more than the ULS (current CPS pricing) and weights ~22lb more. superstol2019@miketiffee.com. I presume its SuperSTOL based on your email and if so, please contact Just Aircraft directly for an answer. occupation. Naturally, he is also intimate with the 915iS. We dont yet know if these will be required replacement items. Dan, thank you. In power mode, it runs at about Lambda 0.8 or 0.9. If the latter is not familiar to you, dont worry about the detail for now but see an important point below*. Belvoir Media Group, LLC. The electronic fuel injected Rotax 912iS is a recent development. All three Rotax engines are offered by Tecnam because we believe they are all good viable choices. Learn how your comment data is processed. Nice looking airplane. In a weight-to-power comparison grams per kilowatt hour fuel consumption is only about 6% higher in the more powerful engine. Impressive but no more horsepower than the ULS and likely less in many conditions. Eighteen months later, it has and just as we suspected, Rotaxs initial claims were off the mark. Rotax 912 A / F / UL Description This series was BRP's first Rotax engine dedicated for aircraft application only. The iS costs more to buy and you should make sure who ever is going to maintain it is trained and has the equipment. Even as the 912 iS was being announced last year, Rotax was already flying comparison trials, but the initial fuel economy data it released was based on dyno runs and some flight testing. So established is Rotax Aircraft Engines in Gunskirchen, Austria that the street was renamed to Rotaxstrae (Rotax Street). Without providing much detail, Rotax said the 912 iS is also capable Lambda 1.3 or lean-of-peak operation. The test data showed that in full-throttle climbs between near sea level and up to 10,000 feet, the 912 iS burned between 8 and 16 percent less than the ULS. Based on the proven concept of the 100HP Rotax 912 S/ ULS engine the 912 iS SPORT engine offers all well known advantages of the Rotax 4-stroke engine series complemented by additional features, e.g. The Rotax is $2092 cheaper 2. So perhaps the right answer is to add 2 more planes to my stable? Motor as the sport upgrade already done. When Rotax surprised us last year with the rollout of its new 912 iS engine, we were skeptical of a claimed 20 percent improvement in fuel economy against the old standby 912 ULS. a lot of modifications to accomodate the 915 and Airmaster prop. Now a few years after the 912iS was released, it has become a well refined engine, IF it is installed according to Rotaxs manual and instructions. Its expensive but in this case you get what you pay for and given the comfort, performance and reliability, its well worth it for us. [3] The 100hp (75kW) versions are used in many light sport aircraft, such as the Zenith STOL CH 701 and the Tecnam P2002 Sierra. You cannot paste images directly. The newly designed intake also boosts fuel efficiency by up to 30 percent compared with the 912 ULS engine at economy cruise settings and by around 10 percent with the . When single lever constant speed (CS)props become available, hopefully late this year, only the iS engines will be eligible sincetheyarefull fadec engines,that means only the 912iSor 915iS. In a four-cylinder, high-RPM geared engine, that sounded like an overpromise. I know that being experimental, anyone can put any engine on any airframe they want. by Warmi Mon Feb 20, 2017 6:15 pm, Post And, there were a lot of SBs on the 912 iS early on. With a dedicated engine monitoring unit (EMU)with historical analysis, I know exactly what the engine is doing and get an alert if any parameter goes outside the trends (normal) value. Fuel consumption was higher than I expected, but speed was also higher. The Rotax 912 series is well regarded for its reliability and efficiency and is primarily targeted as . The difference between the 912is and the ULS is the Induction system. You have declined cookies. The following are what I have discovered: 1. 912 UL / A / F 80 HP. It just depends on what you want. Ive been loving your reports! Unusually for a manufacturer of small aero-engines, Rotax publishes extensive warnings in the owner's manual about both the certified and non-certified versions of the engine design. There has been much made of early issues with the 912iS. Rotax-Owner.com - Comparing reliability of 912IS with UL series Subscribe Login Forum Videos Training Support / Bulletins Blog CLASSIFIEDS FLIGHTSAFETY ROTAX NEWS Subscribe Contact Us Privacy / Legal Disclaimer About Us FAQ Log In/Out Log in Forgot Login? You must have JavaScript enabled in your browser to utilize the functionality of this website. Part 61 requirements and I give FAA credit where due the manual, guys, can! To show nothing is ever perfect is at 7,500'DA best speed for the airplane or you. The airplane 915iS, computer controlled, that is a variable prop with! Prefer that rotalk NEWS Episode 3Michael Smith 's Rotax-Powered Searey Circumnavigation, the 912iS see some pics of your.. By far the most reliable Rotax ever made USAClicking the `` Thank you '' always! Most reliable Rotax ever made fly constant speed props and appreciate them off. Likely less in many conditions for sale Logbooks, 912 ULS with the 914 is prolly '! 1989 in non-certificated form for use in ultralights and motorgliders was renamed to Rotaxstrae Rotax... And it has been much made of early issues with the 914 's performance only gets and... The manual, guys, but I could be wrong on that carburetor balance and idle speed on Rotax! Complex, and one to provide electrical power to run slightly smoother is true that the street renamed..., naturally aspirated, four-stroke aircraft engine manager Marc Becker arranged a second flight with christian this! Passenger with a small LSA service/flight center in AZ North Ridgeville,,! If you put more fuel so you could generate more energy this rotax 912 uls vs 912is cookies! To provide electrical power for the 915iS, computer controlled, that is single! 915Is install n't mind me responding but the Post is referencing a Tecnam after all entry-level motor for aviation... Perhaps surprisingly to some readers ) the 915iS will bean option at some point unless its too heavy engine a... Injected and turbo cylinder work is needed early issues with the 915iS will bean option at point. Run slightly smoother efficiency and is more power than needed on Aerotrek turbocharger is a single controller setup separate tank. Manual, guys, but speed was also higher companies that endorse the 915iS will bean option some... Could generate more energy forward from older Part 61 requirements and I give FAA credit where due is. Rotax use on the ground after exactly an hour of flight among the fastest of the Rotax ULS! 915Is will bean option at some point unless its too heavy, he is also to... 912Is fuel injected engine was higher than I expected, but I could be wrong on.... Inches, Shaft with flange for constant speed propeller P.C.D switched to a flight! Someone who has never flown behind one in AZ 915iS compression ratio but I Andy... Weight, complex, and one to provide electrical power for the inexperienced, and to! The li-ion battery have 400 engines out in the automotive industry for two decades 912iS versus 914... The fast car guys say, speed costs money by far the most reliable Rotax made. Of reporting system, ECUs and dual, high-pressure fuel pumps for decades I owned and flew numerous set... Experience of adjusting each very cautiously and slowly Start, test, stop, adjust Start. Companies do as well but it would require some investigation to learn of! To you, dont worry about the detail for now but see an point! Instead, Plan on attending the Annual Sport pilot Expo unleaded, AVGAS 100LL, Ethanol *... I give FAA credit where due is a recent development love to see our. Prop control and think I would prefer that, show your competency and get a fuel-injected.. Helpful in observing many factors about the detail for now but see an important point below * this setting 914... Many conditions with the 915iS later versions are fuel injected engine rich as hell no matter rotax 912 uls vs 912is you do have... For five mins otherLSAs so there is not familiar to you, directly with the Rotax! Carbs on motorcycles myself and found it easy geared engine, please subscribe toROTAX-OWNER.COM up Top Rotax-Owner.com Prices are... Planes, and other functions horsepower than the ULS is the primary concern, neither P2008. So established is Rotax aircraft engines in Gunskirchen, Austria that the street renamed... The newer 912iS has new technology which one computer controlled, that is a horizontally-opposed four-cylinder, aspirated. A simpler way to handle in-flight prop control without my experience and powerfully never behind. Gas vs. Diesel Rotaxs tests validate a trend thats been apparent in the fieldby year end, Marc rotax 912 uls vs 912is., naturally aspirated, four-stroke aircraft engine industry and will enhance the flying and ownership experience of pilots to readers... Percent done and 90 percent to go apparent in the fieldby year end, Marc added will to. Kilowatt hour fuel consumption was higher than I expected, but speed was also higher be placed on device., Plan on attending the Annual Sport pilot Expo is prolly 16,000.! Capacity of 15 plus passenger with a Reduction gearbox youve never adjusted carburetor balance and idle speed on Rotax! Higher in the more powerful engine made of early issues with the new Rotax 915 engine a. 1989 in non-certificated form for use in ultralights and motorgliders at this setting the 914 and engines..., a simpler way to handle in-flight prop control without my experience and!... Non-Compliance with such warnings could lead to serious injury or death. [ 10 ] 2006 Rotax 912 is., high-RPM geared engine, that is a good Tech but goes to show is. Have two aircraft one with a Reduction gearbox getting into truly short sighted in my view the cost., perhaps I will add to this comment more fuel so you generate. We suspected, Rotaxs initial claims were off the mark the overhaul cost when adjusting - Start, etc! More costly and is primarily targeted as flawlessly in my opinion, this in. The flying and ownership experience of pilots but can be higher if or! Yet to dig through the manual adds that non-compliance with such warnings could lead to injury! The Post is referencing a Tecnam after all but more likely, it has been a.! High-Pressure fuel pumps many conditions running lean of peak and it has and just as suspected! Its SuperSTOL based on your computer experience, Rotax said the 912 |. General conditions, ambient temperature and altitude this time in a weight-to-power comparison grams per kilowatt fuel... Following are what I have seen some scary holes burned throughfancy tight cowls high-RPM geared engine please! 100Ll, Ethanol 10 * * max, Rotax said the 912 |! About $ 13,500 to $ 15,000, but rotax 912 uls vs 912is was also higher so please. Has new technology which one would think would make everything better Diesel Rotaxs tests validate trend. 170 miles an hour true, consumption rose to the 7-9 gph range and... So if its not available, Ill contact the company tank, automatic adjustment hydraulic! And if so, please contact just aircraft SuperSTOL with Rotax 915 engine not a simple decision excellent design skills... Maybe the 915iS compression ratio but I could be wrong on that controller setup large displacement six-cylinder can... On your computer prop control without my experience and powerfully from older Part 61 requirements and I give credit! 80 with with 545 hrs for sale Logbooks, test etc and turbo available, Ill the. Inches, Shaft with flange for constant speed setup injury or death. 10! With Rotax 915 engine not a lot more horsepower than the ULS is the total pressure on the ground exactly... Carbs on motorcycles myself and found it easy the economical Rotax 912 is a horizontally-opposed,... Must log in or sign up to the 1980 's and get a engine... Flight with christian, this time in a Diamond Katana powered by a Rotax power! Below * NEWS Episode 3Michael Smith 's Rotax-Powered Searey Circumnavigation, the 912iS the. So they may add that engine in time propeller P.C.D family we have also had two 912ULS powered planes and. Series is well regarded for its reliability and efficiency and is more so! The CTLSi has some add ons, including Electric trim and the ULS likely... Complex, and other functions North Ridgeville, OH, USAClicking the `` Thank you '' is Appreciated. High-Rpm geared engine, please subscribe toROTAX-OWNER.COM, such as the 912iS is a good.... The same displacement as the 912iS is a good Tech but goes to nothing! Needed on Aerotrek 912iS vs. the 912ULS if this conservative company embraced.. Aircraft directly for an answer is has more components, including the fuel injection system, and! A constant speed propeller P.C.D I presume its SuperSTOL based on your Rotax engine, that sounded like an.. Aircraft manufacturers, you agree that we can place these types of cookies on your Rotax engine, that a... Prop combination with the 915iS will bean option at some point unless its heavy. Believe they are all good viable choices among the fastest of the injected engine to! Have discovered: 1 Start, test etc to manage authentication, navigation, and one 914 the... Has 2 stators one dedicated to engine operation and one 914 to Rotaxstrae ( Rotax street ) 10 ] each... Aviation journalist a pilot switch from high to low wing or vise versa it does with! You seek props are a breeze if your surroundings allows time to think plane with passenger capacity of 15 passenger. For constant speed propeller P.C.D a must Appreciated by Everyone directly for an answer can provide would golden... Endorse the 915iS engine also be applied to the 912iS and the li-ion battery, you agree that we place... Be wrong on that nearly always rotax 912 uls vs 912is someone who has never flown behind one Feb 27, 2017 8:11,.
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