About Rotax Aircraft Engines

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Published 2023-08-25
I took a bunch of seminars on Rotax Aircraft Engines and share the highlights of what I learned. You can find these seminars by going to www.eaa.org/videos and searching for Rotax. Here are the ones that I used as sources for this video:

By Dean Vogel of Lockwood Aviation:
Rotax 912 Maintenance and Inspection Tips
www.eaa.org/videos/2242926960001

By Phil Lockwood:
Rotax 912 Engine Installation & Operational Tips
www.eaa.org/videos/6275881077001

By Jorge Tavio, Rotax Flying Safety Club instructor:
Rotax 912iS Sport Engine Overview
www.eaa.org/videos/6073271269001

Getting to Know the Rotax 915 iS Engine
www.eaa.org/videos/6158281979001

916iS - The New Rotax Engine
www.eaa.org/videos/6331066065112

By Prof. H. Paul Shuch:
Care and Feeding of the Rotax 912
www.eaa.org/videos/3503823469001

Pushing Past TBO - Running your Rotax Engine "On Condition"
www.eaa.org/videos/6238916595001

Keeping your Rotax Alive
www.eaa.org/videos/6189505137001


00:00 Intro
01:15 About the Rotax company, history
02:53 TBO
04:26 Oil system
04:52 Corrosion protection
06:18 Tight manufacturing tolerances
07:54 Gearbox
08:59 Overload clutch
10:05 Turbocharged
10:30 Injected vs Carbureted
11:20 Engine computers
12:38 Lane light diagnosis
12:51 Closing

All Comments (21)
  • @mikespeers
    Great presentation. Most of those seminars will put me to sleep. I would rather hear it from you.
  • Thank you. I just finished Engine by Mike Busch. Your information syncs well with many points made in Mike’s book.
  • Great video! I'm on the Collins Aerospace development team for the Rotax iS engine ECUs and I always find it interesting to hear the perspectives of actual pilots.
  • @michaelsladek5697
    Really enjoy your video's. Always informative. I fly the same aircraft as yours all around Australia on various adventures & I always feel safe with the Rotax 915 purring away up front. Looking forward to your next video!
  • @Notaslave1961
    Thanks so much! Picking up a new Pipistrel Sinus in a few weeks. Learning curve is wild.
  • @foesfly3047
    You shared more important details here than I’ve ever heard, anywhere else. My first airplane had a 912ULS and you enlightened me to advantages on that model I still wasn’t aware of. And I’m pretty much Sold on the 915/916 due to the advantages you detailed ♠️♠️
  • @steveyoung6787
    Great video. Very informative. Also very accurate! The Rotax engines are really a massive improvement to the legacy continental and Lycoming.
  • @JH-tk6oi
    Great info- I'm sold on the Rotax....now just need to $$ to build a Sling. Haha. On another note- I took your advice from a previous post and bought an IcyBreeze- flew for 1.6 hours this morning and didn't break a sweat in 90+ degrees. It's money well spent for 2-3 hours of comfort- thanks for the tip!
  • @chuckwilson2301
    My Rotax engine runs great on my Cam-Am Spyder. It doesn’t fly high but it goes fast when needed.
  • Some confusion here as to terminology. Tolerance is the allowable variation from from an ideal or standard measurement or value. Clearance is the correct term to use when describing the distance between two components, such as the gap between piston and cylinder wall. Also, a clutch can protect crankshaft components during a prop strike event, but excessive loads may still damage the front case or bearings. Check the engine manufacturer's requirements after any sudden prop stoppage.
  • @grantnyenes3742
    Excellent presentation…if they build a 6 cylinder, L and C in trouble
  • @josegquintero
    Excelent information; i’ve always wondered why Rotax engine doesnt have a lever for leaning the fuel air mixture
  • @robertlafnear7034
    MY favorite engine for my new DR Chinook when we start building....... first time I saw a Rotax 912 at Oshkosh .....WOW....... I thought it was much bigger.........Rotax Rep.said small but MIGHTY.:hand-orange-covering-eyes: .. guess so.
  • @chriskroeker1889
    The 912 in my last plane worked great - looking forward to the 915 in my next one.
  • A friend of mine took a picture of your plane today in KC and sent it to me. She said if I get a chance to build a sling I should paint it like yours. Lol , I told her hey I know that plane
  • @Captndarty
    Rotax for the win. I’ll never own an aircraft with a legacy dinosaur engine. Fun fact, even with a higher rpm the 915’s pistons are traveling at a slower mph than a stroke Titan 340’s pistons. Source: Randy Schlitter