2:43:1 Gear Reduction, Electric Start and Engine Mount. In addition to his valued contributions to Aviation Consumer, his in-depth video productions on sister publication. I have always been drawn to the fit and finish of Tecnam. Naturally, he is also intimate with the 915iS. Electronically-controlled fuel injection is the greatest difference between these two engines, and it is a considerable one. Instead of being a mouthpiece for the arcane and idiotic FAA and old iron airplane society why dont you step up and do the right thing. Dominating the market for small aircraft and kitplanes, Rotax produced its 50,000th 912-series engine in 2014. Perfected 4-stroke engine with full take-off power and engine management system. Yours is a good request so if its not available, Ill contact the company. This page was last edited on 3 December 2022, at 14:57. Acknowledged that and hit the throttle. January 1, 2018 in Engine/Rotax. Rotax Powertrains . Perfected 4-stroke engine with full take-off power and engine management system. 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. In our family we have also had two 912ULS powered planes, and one 914. Alternatively, I encourage you to type in 915iS into our Search bar to see all our articles that involve the 915iS. Diesel engines from SMA, Thielert and Austro do a bit better than this at 0.35, but when mogas versus Jet-A or diesel prices are factored, the fuel operating costs for these engines are more comparable. Motor as the sport upgrade already done. flyrotax 4.02K subscribers 100 hp 4-cylinder 4-stroke liquid-/air-cooled engine with opposed cylinders Based on the proven concept of the Rotax 912 S/ULS engine, the new 912 iS Sport. by Warmi Mon Feb 20, 2017 6:15 pm, Post Thanks for reading and watching! Hi Drew: Thanks for your kind words. The UL Power has 30 more HP 4. Change Cookie Consent Rotax aircraft engine manager Marc Becker arranged a second flight with Christian, this time in a Diamond Katana powered by a Rotax 912iS. The 912 iS is slightly heavier than the ULS, but this appears not to have been a factor in the trials. It just depends on what you want. Just SuperSTOL coming along ok working out 915 problems. Copyright @2018 CTFlier.com 4 inches, Shaft with flange for constant speed propeller P.C.D. As the fast car guys say, Speed costs money. We have developed a bias towards the fuel injected 912 iS as the fuel savings would cover the higher purchase cost. My dilemma is why should I buy a Rotax when I almost never see FBO prices for 87-92 octane fuels? ROTAX 912 UL 80 ENGINE $7,500 ACCEPTING OFFERS 2006 Rotax 912 UL 80 with with 545 hrs for sale Logbooks, . 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. It can do what the 912 can't and you could really use it because you are surrounded by mountains. Christian demonstrated that you can move the throttle and prop control without my experience of adjusting each very cautiously and slowly. 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. [Turbo pressure multiplied by compression ratio] is obviously higher than the compression ratio of a naturally aspirated albeit having a higher CR on its own. Such an aircraft is far outside our area of reporting. Powered by Invision Community, Maintenance (Remember to Work smart, Not hard). Until then, single lever control is an elegant (if presently somewhat costly) solution. The Astore is not hard to get in and out of but just not as easy as the 2008. Hi, Mark Gregor from Advanced Aircraft/Tecnam US here. The hardest part is having to get so close to a spinning prop. I think LSA/SLSA is the way I want to go and am trying to figure it out. by Mark Gregor Mon Feb 20, 2017 11:24 pm, Post Shaft with flange for fixed pitch propeller P.C.D. Is Rotax similar? Required fields are marked *. Soon after advancing the throttle, I noticed greater acceleration but two other parameters were more obvious. In power mode, it runs at about Lambda 0.8 or 0.9. Four-stroke piston engine with four liquid and air-cooled cylinders. Aircraft ; Technical details . Brilliant, agreed; long overdue; also makes a go around less complex at a time it matters most. The following are what I have discovered: 1. We have been conned into the cheap bolt on turbo extra power. The 912is is the latest in technology, full fadec w automatic lean of peak operation below 97% power. I believe this is because of the slightly lower compression ratio but I could be wrong on that. Our expectation is to have 400 engines out in the fieldby year end, Marc added. 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. 40 inches manifold or 115% power as Rotax calls it is limited to 5 minutes. This seems to have left us with a choice of either a Rotax 912 ULS or Rotax 912 iS. In 1999, the 912S / ULS were introduced;[3] enlarged to 1,352 cubic centimetres (82.5cuin) with a compression ratio of 10.8:1, yielding 100hp (75kW). Ill have to ask if its possible. Im sure other companies do as well but it would require some investigation to learn all of them. It was still powerful. I recommendgetting a test flight in every aircraft you can! ROTALK NEWS Episode 3Michael Smith's Rotax-Powered Searey Circumnavigation, the amazing Rotax-Powered Lockwood Aircam and Anthony Caere's chimpanzee rescue operations. * 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. 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. To get below 3 gph, a surprisingly low consumption rate, speed dropped below100 knots true or 85 indicated. Pilots are cautioned that the 912 engine is not suitable for: The manual states that Rotax gives no assurances that the engine is suitable for use in any aircraft, and that the engine may seize or stall at any time, which could lead to a crash landing. We leave passenger aircraft to other magazines or websites. 2:43:1 Gear Reduction, Electric Start and Engine Mount. The Stock Box proved most helpful in observing many factors about the new engine. Rotax 912 iS Sport. 80mm and P.C.D. Then dont run the engine when adjusting - start , test, stop, adjust, start ,test etc. Really sets you back in the seat compared to the 912. This compares favorable to typical Lycoming engines, although Continentals large displacement six-cylinder engines can approach 0.39 BSFC when running lean of peak. If you have an account, sign in now to post with your account. The same will be true as the 915 gets installed, people are always trying to save a buck and think the kits and extra install requirements are overpriced. 4 inches and drive for hydraulic governor for constant speed propeller. The manual adds that non-compliance with such warnings could lead to serious injury or death.[10]. The climb angle seemed vigorously steep, although this was my first experience in an Aquila aircraftso I had no basis of comparison. We are about 90 percent done and 90 percent to go. Fly with an instructor, show your competency and get signed off. Paste as plain text instead, Electronic fuel injection requires electrons. The iS, by the way, has dual-injector electronic port fuel injection in place of the ULSs dual Bing carburetors. To receive critical-to-safety information on your ROTAX Engine, please subscribe toROTAX-OWNER.COM. Got it, thanks for clarifying. The iS engine is very nice, but it's $3000 more than the ULS (current CPS pricing) and weights ~22lb more. Sign up for exclusive offers and product announcements from ROTAX. Earlier this year, Rotax. 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. About 20 different airframes are flying today.Some 46 different manufacturers are working to prepare the new powerplant. The 912ULS has a single stator with 2 poles that are used for the ignition. It features liquid-cooled cylinder heads and air-cooled cylinders. But in the wrong direction, if the companys recent year-long test of the 912 iS is to be believed. This is beyond my experience base so will leave that debate to the forum. 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? We have excellent design capability skills available in metal or composites. Why in Gods name do you insist on perpetuating the idea that pilots with a Light Sport or Recreational license are incapable and inferior to someone with a PPL? Four-stroke piston engine with four liquid and air-cooled cylinders. This is a surprisingly common accident factor in floatplanes in particular for whatever reason. Production started in March 2012 and the engine has a 2000-hour recommended time-between-overhaul to start. When zipping along faster than 170 miles an hour true, consumption rose to the 7-9 gph range. Do you have an update? industrial art! I prefer a supercharger over a turbocharger anyday. [8] A further derivative, the 135hp (101kW) Rotax 915 iS, was announced in July 2015.[9]. 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 . You have allowed cookies to be placed on your computer. But more air is added in the combustion chamber He also explained that (perhaps surprisingly to some readers) the 915iS compression ratio is lower to allow for the turbo boost. You have declined cookies. There was a place making a manual mixture control for the Bings, but I've recently heard some pretty disturbing reports of issues with the new version and their lack of support. Prices shown are in USD. You have declined cookies. Beginning the build on my S-20 and I am torn between these two engines. Impressive but no more horsepower than the ULS and likely less in many conditions. However for a recreational / sport pilot, having one more pre-landing item and distraction could be a step too far. Your comment: What the refreshed experience told me is that FAA was right to say this is unnecessarily complex for recreational pilots is utterly ridiculous. by jetcat3 Sun Feb 26, 2017 9:21 pm, Post Greaser! Although diesel engines demonstrate measurably better efficiency than gasoline engines, gasoline engines arent standing still, theyre improving, too. (Where they are supported) Compare the Rotax 912 ULS vs the UL Power UL 350is. 75mm, P.C.D. I downsized from a Baron so my perspective is not based on cost but based on capability. I have full confidence Rotax will get it 100% but as of today I'm still more comfortable behind the carb engines. 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. 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. 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. The discussion forum for Sport Pilots and Light Sport Aircraft, Post This website uses cookies to manage authentication, navigation, and other functions. Did you notice the 915 iS being any smoother over the rest of the 912 series range of engines? This engine series offers a time between overhauls of 2,000 hrs and the best power to weight ratio in its class - no surprise that this engine is the best selling 4-stroke engine. The short TBO and lack of certification for use in factory-built type certificated aircraft initially restricted its worldwide market potential. Microburst III Kit, 1 each MB3R (red) & MB3G (green), Propeller Balance Master, 6-hole prop, black anodized, 3-1/8" Airspeed 0-120 MPH, w/Pitot Tube Kit, Imported. I have seen some scary holes burned throughfancy tight cowls. 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. With that said and nearly 1500 hours divided between all three Rotax engines the 914 is nearly always my first choice to pull out of the hangar. The 912iS has 2 stators one dedicated to engine operation and one to provide electrical power for the airplane. 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. You must have JavaScript enabled in your browser to utilize the functionality of this website. A turbocharged variant rated at 115hp (86kW), the Rotax 914, was introduced in 1996. by FastEddieB Sun Feb 26, 2017 2:48 pm, Post by jetcat3 Sun Feb 26, 2017 2:01 pm, Post According to www.airnav.com, mogas averages about $4.68 as of June 2013. Dry sump forced lubrication with separate oil tank, automatic adjustment by hydraulic valve tappet. If Mitters test data is confirmed by real-world results, they may well be proven right. 75mm, P.C.D. We have been having to do 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). ROTALK NEWS Episode 5Rotax-powered Sling aircraft from The Aircraft Factory, the AVMAP Navigation and engine monitoring system, and the Rotax powered Tucano Experimental and Light-Sport Aircraft. Id be a bit surprised if this conservative company embraced that. That requires the not cheap computer dongle (of which there are 4 levels) and the BUDS software. Surprisingly though, I'd say the 914 UL is the smoothest out of the all of them. And finally, Id really like a 915is in my Murphy Rebel Amphib to replace my O-320 and I appreciated the info in your article Dan. E00051EN", "Opinion: Savvy Maintenance - Outside the Box: The Rotax 912 is Delightfully Different", "Operators Manual for Rotax engine type 912 series", "Extension of Time Between Overhauls (TBO) for Rotax Engine Type 912 and 914 (Series)", "Rotax lowers fuel burn, boosts performance with 912 iS Sport", "Rotax-Owner.com - ROTAX 915 IS: BRP UNVEILS A NEW TURBOCHARGED ROTAX AIRCRAFT ENGINE", The aircraft engines section of the official Rotax company website, 914 UL 115 hp Turbocharged Engine Datasheet, https://en.wikipedia.org/w/index.php?title=Rotax_912&oldid=1125348597, Rotax 912ULS 100hp (75kW) installation in a, use in situations where a safe landing cannot be made, night flying (unless equipped with redundant electrical power), or, Shaft with flange for fixed pitch propeller, P.C.D. The highly reliable and efficient entry-level motor for light aviation aircraft manufacturers. Im pleased you appreciate the effort. Maybe the 915iS will bean option at some point unless its too heavy. by drseti Tue Feb 21, 2017 12:31 pm, Post 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. 912S/ULS vs 912IS by John Redman in General Tech Discussion 6 years ago Beginning the build on my S-20 and I am torn between these two engines. 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. Takeoff roll is substantially reduced. Any insights on the 915 in a SuperSTOL? The 80hp (60kW) versions are sufficient to power the new generation of efficient motorgliders, such as the Pipistrel Sinus and the Urban Air Lambada. 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. Highly recommend. The 915iS fuel injected, turbocharged, and intercooled engine can produce 141 horsepower for five minutes, then sustain 135 horsepower indefinitely. Use single quotes (') for phrases. [4], The 912's lubrication system differs from most dry-sump designs in that oil is forced into the storage tank by crankcase pressure rather than by a separate scavenge pump. The last 914s we delivered had carb leaks at high manifold pressure settings. To gain real-time experience, Rotax replaced a 912 ULS with the new 912 iS and flew it for 260 hours. Customer Service Information Report (CSIR). In all cases it has been the install, not the engine. 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. Price does not include shipping. It has proven reliability. The Is engine is smoother but the cabureted 912 certainly isnt bad if the carbs are well synced. We use continuously and can cruise near 200mph. The complete package presents the latest technology in the aircraft engine industry and will enhance the flying and ownership experience of pilots. I would still prefer fuel injection - when was the last time your car engine died ? This was done at multiple altitudes. Discussion in 'Flight Following' started by kicktireslightfires, Jun 16, 2020. 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. Hence the push for single lever control, a simpler way to handle in-flight prop control. (You must log in or sign up to reply here. *** I didnt notice the 915iS was more smooth than the 912iS I flew later that day, but it was certainly a smooth-running engine. Its quite a bit more costly and is more power than needed on Aerotrek. Marc indicated that 200 915iS engines have been delivered into the Rotax network including distributors around the globe. 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. A back-of-the-envelope calculation reveals that these numbers rival diesel efficiency and if mogas is factored into the equation, flying a 912 iS-equipped aircraft is substantially less expensive than the equivalent 912 ULS. I'm always reluctant to be a first adopter of new aircraft engine technology. And I have two customers who now have the 912 iS (neither have needed work on their engine yet). According to the Rotax test data, the 912 ULS burned an average of 4.65 GPH in the test profile, while the 912 ULS burned 3.25 GPH for the equivalent power output, an efficiency improvement of 30.1 percent. [7], On 1 April 2014 the company announced its new 912 iS Sport upgrade with greater power and torque and reduced fuel consumption. Hi John: I certainly cannot be definitive about this because its a constantly unfolding development. We end up discussing pros and cons of the Rotax engines regularly. Best speed for the 912i is at 7,500'DA Best speed for the 914 is prolly 16,000'. Notify me of follow-up comments by email. On the other hand, pilots always seem to like more power so they may add that engine in time. The 912S is certified, as are the A and F, which are used in the Diamond DA20, which is quite popular in Europe. But more likely, it will account for just a substantial fraction of the overhaul cost. 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. 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. During our factory tour at Rotax, we politely told the engineers we would reserve judgment until the engine hits the field. FAA Regulation Update Fall 2022. Turbo exhaust failure makes for a great blow torch. A numbered limited-edition engine in a unique color design with a personal certificate 100 and 200-hour maintenance kits Would end the argument. M O S A I C The iS has more components, including the fuel injection system, ECUs and dual, high-pressure fuel pumps. Then the fuel source was switched to a second tank and the consumption precisely measured on the ground after exactly an hour of flight. He also explained that (perhaps surprisingly to some readers) the 915iS compression ratio is lower to allow for the turbo boost. Toying with the idea of adding a second aircraft to my stable. Yes there will likely be some carb maintenance on the 912ULS and the 914 but overall we have seen less issues than on the 912is. Think about it, it means a ~60% cruise power increase! Please, advertisements for Viagra will be promptly deleted!". Immediately the engine burst to life. By Hi Tyler: Thanks for your kind remark. I hope you enjoy! With the 914 my CT would be 150+ kts top speed. Ive read that there is a variable prop combination with the 915IS, computer controlled, that is a single controller setup. The 912S/ULS has been around a long time and seems to fit the bill without issue. After trying to get my bearings with ATC, I landed uneventfully. or simplicity? A highlight for private pilots and enthusiasts, this limited-edition design of our popular Rotax 912 iS Sport aircraft engine comes with a unique service and warranty package. ). Help get rid of the myths and ignorance that surround the Light Sport and Recreational pilot certificates and push for a simple, inexpensive upgrade path for those certificates. Just want to better understand Pros and Cons of the 912iS vs. the 912ULS. Rotax Genuine Parts for Aircraft engines Flyer, Engine with propeller speed reduction gearbox i = 2,43 with overload clutch, Four-stroke piston engine with four liquid- and air-cooled cylinders, Redundant electronic fuel injection and ignition, eco mode, EMS and propeller speed reduction gearbox, Dry sump forced lubrication with separate oil tank, automatic adjustment by hydraulic valve tappets, Customizable version available (engine comes with neutral black covers and without logo branding, ready to get your very individual design), A numbered limited-edition engine in a unique color design with a personal certificate, ROTAX CARE extended warranty protection up to TBO (only if allowed under applicable law), Four-stroke piston engine with four liquid and air-cooled cylinders. In a light sport it does all the work necessary at whatever altitude airport and density altitude operations plus it starts really easy, get's great fuel mileage for those long trips and has no instances of "rubber in the carbs". I can inquire, but so can you, directly with the engine manufacture. Thanks, George. Rotax-Owner.com - 912ULS Vs. 912iS Warm Up Time Subscribe Login Forum Videos Training Support / Bulletins Blog CLASSIFIEDS FLIGHTSAFETY ROTAX NEWS Top Rotax-Owner.com This website uses cookies to manage authentication, navigation, and other functions. Rotax 912 S/ULS. By using our website, you agree that we can place these types of cookies on your device. 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). 2 cents worth from an owner, Id say buy the 912iS or wait until the 915 is available, avoid the old tech dual carbd engines regardless of cost. It does come with a few costs, as did the 912iS fuel injected engine compared to the 912ULS carbureted engine. This decision can be reversed. Many years ago flying a 182 into Townsville combined military civilian airport aircraft everywhere more radio chat than a wireless. List ByDanJohnson.com all LSA Services each one verified to have the airplane or expertise you seek. You do not have permissions to reply to this topic. Much better and cheaper than MT prop. 912 ULS | S 100 HP Engine with the best-in-class power-to-weight ratio. I have two Aircraft one with a ULS (100 hr) one with an IS 420 hr. It is also fitted to some light twins, such as the Tecnam P2006T. Overall I would argue better minds than ours made a good call. The 912ULS is a well proven engine at a low price. I like the technical details. Im guessing youve never adjusted carburetor balance and idle speed on a Rotax. There has been much made of early issues with the 912iS. 80mm, P.C.D. Nice looking airplane. The Rotax 912 is a horizontally-opposed four-cylinder, naturally aspirated, four-stroke aircraft engine with a reduction gearbox.
+ 48 602 120 990
biuro@modus.org.pl
rotax 912 uls vs 912is