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. 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. Its quite a bit more costly and is more power than needed on Aerotrek. Christian demonstrated that you can move the throttle and prop control without my experience of adjusting each very cautiously and slowly. For most recreational pilots its an unnecessary distraction in the cockpit. Hi Drew: Thanks for your kind words. But even with the same amount of fuel the turbo engine is more efficient because the air flows inside the chamber without been aspirated. 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. by drseti Sun Feb 26, 2017 9:30 pm, Post I heard a rumor at OSH that Rotax has a 6 cylinder development project with 200+ hp. Climb was 1,000 fpm. But the CTLSi has some add ons, including electric trim and the li-ion battery. The Rotax 912 is a horizontally-opposed four-cylinder, naturally aspirated, four-stroke aircraft engine with a reduction gearbox. Glad it was a VFR flight in good weather. industrial art! Price does not included shipping. *** I didnt notice the 915iS was more smooth than the 912iS I flew later that day, but it was certainly a smooth-running engine. In a four-cylinder, high-RPM geared engine, that sounded like an overpromise. Paste as plain text instead, To receive critical-to-safety information on your ROTAX Engine, please subscribe toROTAX-OWNER.COM. Nothing like a 40% boost in power to launch an aircraft into the sky. Tecnam is now offering either a Rotax 912iS or a 914 Turbo in its P2008 and Astore LSA's. Climbs to 12,000 will have a night and day difference as well. Entering the Market Marc indicated that 200 915iS engines have been delivered into the Rotax network including distributors around the globe. Your previous content has been restored. Yours is a good request so if its not available, Ill contact the company. The engine is by far the most reliable Rotax ever made. Using estimated performance data from the Tecnam P92 POH, we calculate a brake specific fuel consumption for the 912 ULS of about 0.44 pounds per horsepower/hour. 2:43:1 Gear Reduction, Electric Start and Engine Mount. We expect the 912 iS overhaul costs to be higher than the ULS, but we dont yet know how much higher. The Rotax 912 series engine powers dozens of types of light sport aircraft, and is widely considered one of the most reliable reciprocating engines available today. 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. or simplicity? In my opinion as an engineer the supercharger is safer and for that reason even with the parasitic power draw. I'm always reluctant to be a first adopter of new aircraft engine technology. The 912S is certified, as are the A and F, which are used in the Diamond DA20, which is quite popular in Europe. The 912is has a few minor Differences/Improvements but the rest of the engine is essentially the same. Price does not include shipping. Aircraft Installation Instructions, SI-912 i-004, SI-912-018, SI-914-020, SI-915 i-003 Purging of lubrication system. Definitely much better than when it was first released though. 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? So perhaps the right answer is to add 2 more planes to my stable? Required fields are marked *. by MrMorden Mon Feb 27, 2017 8:09 am, Post Lets do the same thing for increased weight, complex, and night. You have allowed cookies to be placed on your computer. If the latter is not familiar to you, dont worry about the detail for now but see an important point below*. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. Hey Dan, thanks for all the great videos. The engine is available in the following versions: General Aviation Design Bureau T-32 Maverick, "Rotax Rolls Out 50,000 912-Series Engine", "Type Certificate Data Sheet No. As you can see in the contrasting Stock Box images, we saw as low as 2.8 gallons per hour resulting, of course, in lower speed flight. It is more than most sport pilots may prefer and more than some should manage perhaps. Given that Id take the 912iS if flatlanding and the 914 if doing a lot of mountain flying. Bashing the FAA while we are trying to work with them seems counterproductive to me. After a 4-month break, we are back at it. by jetcat3 Sun Feb 26, 2017 2:01 pm, Post The price for the diagnostic software/interface is close to $1000. A new Airmaster propeller has arrived; it is a beautiful piece of One difference from prior experience was the Stock Box instrument (more formally, Stock Flight Systems Engine Monitoring Unit or EMU) developed by Michael Stock incollaboration with Rotax. Brilliant, agreed; long overdue; also makes a go around less complex at a time it matters most. 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. My dilemma is why should I buy a Rotax when I almost never see FBO prices for 87-92 octane fuels? 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. Electronically-controlled fuel injection is the greatest difference between these two engines, and it is a considerable one. (You must log in or sign up to reply here. 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. by MrMorden Tue Feb 21, 2017 10:21 am, Post 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. by 3Dreaming Sun Feb 26, 2017 10:35 pm, Post [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]. [5] In addition to the lower fuel consumption, the 912 is certified to run on automotive fuel (mogas), further reducing running costs, especially in areas where leaded avgas is not readily available. Obviously, the cost savings for owners using mogas in the Rotax enginesand many dowill be less. The complete package presents the latest technology in the aircraft engine industry and will enhance the flying and ownership experience of pilots. The difference between the 912is and the ULS is the Induction system. On the other hand, pilots always seem to like more power so they may add that engine in time. 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. 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 . If you have an account, sign in now to post with your account. Rotax engine experts felt most of this is attributable to software and the same code can also be applied to the 912iS. In our family we have also had two 912ULS powered planes, and one 914. 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. 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. Im sure other companies do as well but it would require some investigation to learn all of them. Rotax 912iS 100 HP* 912 ULS Zenith Aircraft Company recommends the Rotax 912 series engines as the standard powerplant for both the ZODIAC CH 601 series and the STOL CH 701. This page was last edited on 3 December 2022, at 14:57. Rotax Engines - 582, 912ul, 912us, 912iS, 914 & 915iS Usually in stock for the same week delivery to your chosen address. As the fast car guys say, Speed costs money. Facts . We end up discussing pros and cons of the Rotax engines regularly. I am getting ready to build a Sling 2, 51% EAB, with Midwest Sky Sports. Thanks. . 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. Pasted as rich text. The extra cash is probably not a huge deal when you are already spending $17k on an engine or $100k+ on a new airplane, but on an LSA 22lb can be significant. (Tom, do you concur?). Starting was as with any Rotax 9-series engine Ive ever flown. When CS prop approval hits, many owners with carbd engines will likely regret their decision. Use spaces to separate tags. 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. Eighteen months later, it has and just as we suspected, Rotaxs initial claims were off the mark. 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. Ill leave this forum to the CT crowd who know that very capable airframe. Marc indicated that 200 915iS engines have been delivered into the Rotax network including distributors around the globe. Im pleased you appreciate the effort. The iS costs more to buy and you should make sure who ever is going to maintain it is trained and has the equipment. 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. The lightest engine in the Rotax aircraft engine portfolio. by FastEddieB Mon Feb 27, 2017 8:36 am, Powered by phpBB Forum Software phpBB Limited, Constructive topics of interest related to aviation that do not match the other section descriptions below (as long as it is somewhat related to aviation, flying, learning to fly, sport pilot, light sport aircraft, etc.). Depending on the core credit assigned to the engine at TBO, that could pay for the overhaul and then some. Perfected 4-stroke engine with full take-off power and engine management system. The iS engine is very nice, but it's $3000 more than the ULS (current CPS pricing) and weights ~22lb more. Hi John: You are most welcome. 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. The 912ULS is a well proven engine at a low price. Set up your individual rotax engine with our engine configurator.
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