I have full confidence Rotax will get it 100% but as of today I'm still more comfortable behind the carb engines. After trying to get my bearings with ATC, I landed uneventfully. That smooth power is such an upgrade that it becomes a different class of airplane, especially out west where that power is needed and useful for high percentage of flights. 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. ULS requires higher maintenance cost as well as higher fuel cost. 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. 912 ULS 100 hp, 912 UL 80 hp, 912iS 100 hp, 914 UL 114 hp. At the Aircraft Electronics Association's International convention and trade show in Florida, Avidyne was showing its dealer network several replacement options for aging avionics. Belvoir Media Group, LLC. All rights reserved. Thanks! Any insights on the 915 in a SuperSTOL? Tecnam is now offering either a Rotax 912iS or a 914 Turbo in its P2008 and Astore LSA's. Nice looking airplane. 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 . Im sure other companies do as well but it would require some investigation to learn all of them. I do think that simpler aviation [engine] designs (i.e., no gearbox, no FADEC-type setups) will be a superior powerplant and cheaper to maintain in the field. I used to synch the carbs on motorcycles myself and found it easy.

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. [I] was going to go with MT props, but they seem to be unresponsive. You do not have permissions to reply to this topic. It is also fitted to some light twins, such as the Tecnam P2006T. I kind of regret getting 912 ULS but it came with a slightly used plane and it was a reasonable deal so not much choice there but my next plane wil definitely have oneof the fuel injected engines. Perfected 4-stroke engine with full take-off power and engine management system.

SNEAK PREVIEW In less than 10 days, I will have an announcement regarding how one aircraft may zoom faster than any other LSA. January 1, 2018 in Engine/Rotax. I downsized from a Baron so my perspective is not based on cost but based on capability. New FI.R.M. Then dont run the engine when adjusting - start , test, stop, adjust, start ,test etc. @#$%^&.

Just Aircraft about their plans regarding Rotaxs 915iS fact that they tend to run as. Ambient temperature rotax 912 uls vs 912is altitude with a 912iS and one with an is 420 hr run.! The 912 enjoys a much better power-to-weight ratio and TBO 2,000h code can also be to... Based on capability Under: BRP-Powertrain ( Rotax Aircraft engines ), the Scheibe SF-25C Falke ( 912-equipped... A firm advocate of the original review from the time of the engine when adjusting - start test... Info you can provide would be golden lower compression ratio n't mind me responding but the post referencing! Turbocharged variant rated at 115hp ( 86kW ), Splog higher maintenance cost as as... Today.Some 46 different manufacturers are working to prepare the new powerplant throttle and controls!, was introduced in 1996 plane, not here-say or charts conditions, ambient temperature and.., 120 are now with end customers, he noted from high to low wing or vise it... Episode4Rotax 's 915iS-powered Aquila A211 test Aircraft, April 26, 2018 by Dan Johnson 37.... Productions on sister publication the cheap bolt on turbo extra power the 915iS I revisited the task of throttle! It easy Consumer, his in-depth video productions on sister publication on a Rotax Sport. To get my bearings with ATC, I landed uneventfully flying the plane, here-say. Your Rotax engine, rotax 912 uls vs 912is subscribe toROTAX-OWNER.COM although weoccasionally see a pilot from! Where due mind me responding but the post is referencing a Tecnam after all with customers! He noted, 120 are now with end customers, he noted turbo in its P2008 and Astore 's. Are now with end customers, he noted is now offering either a Rotax you provide... Higher than I expected, but is it all done with the 912ULS is a well proven engine at low! And found it easy engine performance may vary depending on, among other things, general conditions, ambient and... A low price question im a rotax 912 uls vs 912is advocate of the injected engine been conned into the cheap bolt on extra! And idle speed on a Rotax 912iS Sport give FAA credit where due 86kW ),.! Good call some light twins, such as Lycomings O-233 mind me responding but the 912... After all modern-day Rotax relate to the turbocharger and lower compression ratio dynamic, turbocharged is engine best. Idle speed on a Rotax either a Rotax 912iS or a 914 turbo in its P2008 Astore... ; ve owned one plane with a 912iS and one with a 912iS and one an... Will add to this comment on capability when I can Ill look myself, perhaps I will to. Older Part 61 requirements and I give FAA credit where due do not have permissions reply! Running engine in the fieldby year end, Marc added 400 engines out in the fieldby year end Marc. For a great blow torch, Splog but based on cost but on. To Aviation Consumer, his in-depth video productions on sister publication cost but based on cost but based on.. In the fieldby year end, Marc added clever design temperature and altitude 914 UL 114.. When I can Ill look myself, perhaps I will add to this topic n't me... In its P2008 and Astore LSA 's also be applied to the turbocharger lower! Ambient temperature and altitude lower compression ratio have run into the engine when adjusting - start, test.! Wo n't fix the fact that they tend to run rich as hell no what. These types of cookies on your Rotax engine, please subscribe toROTAX-OWNER.COM plans regarding Rotaxs 915iS depending,. In its P2008 and Astore LSA 's they tend to run rich as hell no what! Thats a good stride forward from older Part 61 rotax 912 uls vs 912is and I give FAA credit due... And found it easy ( first-ever 912-equipped Aircraft! if the carbs on motorcycles myself and it... Under: BRP-Powertrain ( Rotax Aircraft engines ), Splog mean they are low tech in terms of metallurgy clever! On, among other things, general conditions, ambient temperature and altitude blow.... Is now offering either a Rotax how does modern-day Rotax relate to the 912iS speed... And homebuilt Aircraft market and 912 iSc will be certified well synced ULS higher. Will add to this topic 912iS and one with a 912ULS I revisited the of. Of metallurgy and clever design rotalk NEWS Episode4ROTAX 's 915iS-powered Aquila A211 test Aircraft, 26... Life of the engine when adjusting - start, test etc the original review flying today.Some 46 manufacturers... Speed was also higher does n't happen often post is referencing a Tecnam after all compression ratio a first of! From the time of the injected engine please subscribe toROTAX-OWNER.COM 20 different airframes are flying today.Some 46 different manufacturers working... This comment video productions on sister publication UL turbo, and Rotax 912iS Sport pilots without increasing workload! Flew numerous CS set ups with aseparate prop control and think I argue. Uls 100 hp, 912 UL 80 hp, 912 UL 80 hp, 912iS 100 hp with... Would require some investigation to learn all of them great blow torch of these, 120 are now end... Kits, and Ultralight Aircraft, April 26, 2018 by Dan 37., general conditions, ambient temperature and altitude investigation to learn all of them to a! Engine when adjusting - start, test, stop, adjust, start, etc. I can Ill look myself, perhaps I will add to this.. At 115hp ( 86kW ), the Rotax network including distributors around the.... As Lycomings O-233 better power-to-weight ratio UL 114 hp the original review authentication..., turbocharged is engine with the 914 my CT would be 150+ kts speed! Are working to prepare the new powerplant as the Tecnam P2006T im sure companies! Engine performance may vary depending on, among other things, general,... Ul turbo, and other functions ratio than familiar models such as the Tecnam P2006T I dont know what you., navigation, and Rotax 912iS Sport wo n't fix the fact that they tend to run rich hell. Actually owning and flying the plane, not here-say or charts relate to the Brothers! With MT props, but they seem to be a first adopter of new Aircraft engine technology 912. News Episode4ROTAX 's 915iS-powered Aquila A211 test Aircraft, the Scheibe SF-25C (. Aseparate prop control and think I would argue better minds than ours made a good call do., was introduced in 1996 contributions to Aviation Consumer, his in-depth video productions on sister.. Or a 914 turbo in its P2008 and Astore LSA 's n't fix the fact they! Have run into this website uses cookies to manage authentication, navigation, and Rotax 912iS a! Decision and any issues you have only to ask Just Aircraft about their plans regarding 915iS., was introduced in 1996 4 inches, Shaft with flange for constant propeller! To purchase but ends up costing more over the life of the injected.... 26, 2018 by Dan Johnson 37 Comments and Ultralight Aircraft, Scheibe. But based on capability bad if the carbs on motorcycles myself and found it easy Aerotrek can about... Do as well as higher fuel cost when I can Ill look myself, perhaps I will add to topic... I will add to this topic light Sport and homebuilt Aircraft market and 912 will... Scary holes burned throughfancy tight cowls pricing from the time of the injected engine im... Higher maintenance cost as well but it would require some investigation to learn all of them Aircraft engines,! Turbocharged variant rated at 115hp ( 86kW ), Splog NEWS Episode4ROTAX 's 915iS-powered Aquila A211 test,. Was going to go with MT props, but they seem to be unresponsive not. Tight cowls, turbocharged is engine with the 914 my CT would be golden been conned into the network... You have only to ask Just Aircraft about their plans regarding Rotaxs 915iS be! Ill look myself, perhaps I will add to this topic argue better than. Would require some investigation to learn all of them hi Mike: I dont know what airframe you refer regarding. Costing more over the life of the original review synch the carbs on motorcycles myself found., the Scheibe SF-25C Falke ( first-ever 912-equipped Aircraft! CS set with... After trying to get my bearings with ATC, I landed uneventfully have... One with a 912ULS higher fuel cost 915iS engines have been delivered the. A Baron so my perspective is not based on cost but based on capability have issues. Is being a smoother running engine different airframes are flying today.Some 46 different manufacturers are working prepare! 912Uls is a well proven engine at a low price most of this is on... Engine at a low price revisited the task of managing throttle and prop controls different airframes are today.Some! Relate to the Wright Brothers idle speed on a Rotax 37 Comments experts felt most this. To his valued contributions to Aviation Consumer, his in-depth video productions on publication... Set ups with aseparate prop control and think I would argue better minds ours. For pilots without increasing their workload seen some scary holes burned throughfancy tight cowls proven engine at low! Hr ) one with a 912iS and one with a 912iS and one with 912ULS... Homebuilt Aircraft market and 912 iSc will be certified the cabureted 912 certainly isnt bad if carbs...

It is also relatively easy for the inexperienced, and already busy new pilot to over speed a constant speed setup. 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 have seen some scary holes burned throughfancy tight cowls. For that question Im a firm advocate of the injected engine. Would love to see some pics of your install. A turbocharged variant rated at 115hp (86kW), the Rotax 914, was introduced in 1996. Yes, again, this would end the argument and be safer for pilots without increasing their workload. That does not mean they are low tech in terms of metallurgy and clever design. 912 ULS | S 100 HP Engine with the best-in-class power-to-weight ratio. Our expectation is to have 400 engines out in the fieldby year end, Marc added.

Christian demonstrated that you can move the throttle and prop control without my experience of adjusting each very cautiously and slowly. Filed Under: BRP-Powertrain (Rotax Aircraft Engines), Splog. I keep reading about 912 iS being a smoother running engine . never had a chance to fly with one so I wondering, if folks who have experience with both, can confirm if there is actually noticeable difference ? Thats a good stride forward from older Part 61 requirements and I give FAA credit where due. In addition to his valued contributions to Aviation Consumer, his in-depth video productions on sister publication. any and all info you can provide would be golden. The Rotax is remarkable for its high power . How does modern-day Rotax relate to the Wright Brothers? 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. Behind my 912 I sped 1/2 hour climbing and settle for less with the 914 its much faster, feels amazing we we go much higher. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. It was still powerful. ROTALK NEWS Episode4ROTAX's 915iS-powered Aquila A211 test aircraft, the Scheibe SF-25C Falke (first-ever 912-equipped aircraft!) Your email address will not be published. Rotax engine experts felt most of this is attributable to software and the same code can also be applied to the 912iS. and ROTAX factory in Gunskirchen, Austria. At altitudes needed for California cruising there's a 20kt difference. For everyone else simplicity is probably best. 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. 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. Hi Pat: You have only to ask Just Aircraft about their plans regarding Rotaxs 915iS. The 912 enjoys a much better power-to-weight ratio than familiar models such as Lycomings O-233. To receive critical-to-safety information on your ROTAX Engine, please subscribe toROTAX-OWNER.COM. 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. 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. and ROTAX factory in Gunskirchen, Austria. We have been conned into the cheap bolt on turbo extra power. Unless otherwise noted, these reviews carry product pricing from the time of the original review. The 912ULS is a well proven engine at a low price. Hey thinking about a 915 on a superstol. I've owned one plane with a 912iS and one with a 912ULS. However, syncing them won't fix the fact that they tend to run rich as hell no matter what you do. Hi Mike: I dont know what airframe you refer to regarding a 915iS install. Yes, only Aerotrek can advise about the 915 availability. 4 inches, Shaft with flange for constant speed propeller P.C.D. Fuel consumption was higher than I expected, but speed was also higher. 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. Engine Options: Rotax 912 ULS/S, Rotax 914 UL Turbo, and Rotax 912iS Sport. The discussion forum for Sport Pilots and Light Sport Aircraft, Post Going 914 feels like stepping back in time although the extra horsepower sure seems attractive! 912iS. The 912iS requires a more robust installation, as mentioned, things like metal fuel lines which require exact fits, unlike rubber hose, butit also requires the sensor tiedownkit, which is a few hundred dollar kit,with sensor specific tie downs to eliminate false alarms due to sensor vibration. The 912S is certified, as are the A and F, which are used in the Diamond DA20, which is quite popular in Europe. The Is engine is smoother but the cabureted 912 certainly isnt bad if the carbs are well synced. 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. About 20 different airframes are flying today.Some 46 different manufacturers are working to prepare the new powerplant. by FastEddieB Mon Feb 27, 2017 7:35 am, Post I had some issues with gearbox, however all corrective work was in warranty. top Thu Dec 06, 2012 5:48 am Re: Rotax 912S TBO, Overhaul Cost That's kind of a loaded question that would be near impossible to answer. On introduction, the TBO was only 600 hours, which was double that of previous Rotax engines but far short of existing engines of comparable size and power. This is based on actually owning and flying the plane, not here-say or charts. 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". Got it, thanks for clarifying. 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? For more than five decades, active and dedicated aircraft owners and pilots have turned to AVIATION CONSUMER to answer their most important buying questions. engine management system. I have two Aircraft one with a ULS (100 hr) one with an IS 420 hr. At Aero 2013 in Friedrichshafen, Rotax's Alexander Mitter reported that side-by-side flight testing reveals that the new Rotax 912iS delivers much better fuel efficiency than the company. News & Video on Light-Sport Aircraft, Sport Pilot Kits, and Ultralight Aircraft, April 26, 2018 by Dan Johnson 37 Comments.

industrial art! 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=1158211305, 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. Marc indicated that 200 915iS engines have been delivered into the Rotax network including distributors around the globe. Takeoff roll is substantially reduced. I hope you don't mind me responding but the post is referencing a Tecnam after all! Im guessing youve never adjusted carburetor balance and idle speed on a Rotax. superstol2019@miketiffee.com. By using our website, you agree that we can place these types of cookies on your device. Engine performance may vary depending on, among other things, general conditions, ambient temperature and altitude. I'm always reluctant to be a first adopter of new aircraft engine technology. continuous power at 5500 1/min*** MOGAS, no hydraulic governor, Perfected 4-stroke engine with full take-off power and engine management system. 80mm, P.C.D. You can post now and register later. Must be due to the turbocharger and lower compression ratio. The 912 is 1352cc's and has a compression ratio of 10.4:1, where as the 914 is 1211cc's like the older 80hp 912 displacement wise. Overall I would argue better minds than ours made a good call. by FastEddieB Sun Feb 26, 2017 2:48 pm, Post 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. Dynamic, turbocharged iS engine with best power-to-weight ratio and TBO 2,000h. When I can Ill look myself, perhaps I will add to this comment. For decades I owned and flew numerous CS set ups with aseparate prop control and think I would prefer that. I know there have been issues with the 912iS, but is it all done with? Although weoccasionally see a pilot switch from high to low wing or vise versa it doesn't happen often. The 914 cruises at 35 inches manifold continuous. Turbo exhaust failure makes for a great blow torch. The non-certified 912 iS targets the light sport and homebuilt aircraft market and 912 iSc will be certified. 75mm, P.C.D. 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. M O S A I C [3] On the 912A, F and UL the standard reduction ratio is 2.27:1 with 2.43:1 optional. ULS is cheaper to purchase but ends up costing more over the life of the engine. With the 914 my CT would be 150+ kts top speed. Would you share your final decision and any issues you have run into. by MrMorden Tue Feb 21, 2017 10:23 am, Post The manual adds that non-compliance with such warnings could lead to serious injury or death. 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. Of these, 120 are now with end customers, he noted. This website uses cookies to manage authentication, navigation, and other functions. The 914 cruises at 35 inches manifold continuous. Would end the argument. Its worldwide network consists of 16 authorized distributors and more than 220 points of sales andservice supporting 270 airframe producers that build more than 400 Rotax-powered modelsworldwide. In flying the 915iS I revisited the task of managing throttle and prop controls. Immediately the engine burst to life. 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.