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Roger Lee

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About Roger Lee

  • Rank
    Master Star Fighter
  • Birthday 10/15/1953

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Profile Information

  • Location
    Tucson, AZ
  • Interests
    Flying, Camping, Shooting, SCUBA, ATV riding
  • Gender
  1. Power loss in flight

    The choke has no effect over about 3500-4000 and especially at the higher rpms. Try it. Fly up at your cruise rpm and apply the choke. Nothing will happen.
  2. Power loss in flight

    Carb bowl would be my first look.
  3. CTLS vs CTSW

    It's in the eyes and mind of the owner. What one likes the other may not. They all have good points and some people want to change. Lot's of people would rather have a sedan over a sports car.
  4. New Rotax Service class in Tucson, AZ

    3 weeks left and just a couple seats left.
  5. Amps going nuts

    Typically this is a dirty shunt wire connector issue. There are 4 wires. Take each one and scotchbrite each wire connector and the shunt bar where they connect. Apply a dab of dielectric grease. This should take care of your wild swings.
  6. Control Lock

    Here you go. Always check our forum for answers.
  7. Cabin heat

    Hi Al, Give me a call at home.
  8. White trim tape

    same tape from what I can gather
  9. 5 Year rubber material question?

    No the hose you get will be just fine. Don't over think or try to over engineer this. Your hose you buy from CPS would last you more than 5 years. % years is just a good safe point to replace things. Remember we try to replace before we loose a $17.5K engine and or crash into a neighborhood.
  10. Difficult Tire mount question?

    Here you go. Using clamps makes it easy and far less likely to pinch a tube. I've been doing it like this for 20 years. Matco tire mounting help.pdf
  11. You can't tell if they are in good condition just by look. They may look okay, but in truth they would need to go on a balancer to see what the vibration level is. Vibration can damage the steel engine mounts and cause cracks, muffler cracks, gearbox issues, internal carb issues, ect.... They are supposed to be changed at the 5 year rubber change. If someone doesn't do this and leaves them in until the next 5 year which would then be 10 years they aren't doing you any favors. I just saw a Highlander this last week with a broken ring mount bolt that was snapped off clean right at the mount. The mount is now trashed. Spent this last week in another Rotax school. Learned about the 915.
  12. -12 Degree Flap Microswitch

    The 45 knot stall speed is the main reason that FD didn't use -12. Also when flying at extreme altitudes -12 far less efficient climb. Zero flaps work better.
  13. The engine has to more or less come off or at least swing out far enough to remove the long bolts. Better to just do it during hose change. Otherwise you pay to remove the engine twice.
  14. -12 Degree Flap Microswitch

    Just remember your instruments are as accurate as you may like to think.
  15. -12 Degree Flap Microswitch

    i Andy, I tested this on 4 CT's early on. We all flew side by side and take off side by side. The -12 did not get any better speed. If we could use a constant speed or in flight adjustable like the rest of the world we may gain a few knots, but as it sits in the US with a ground adjustable doesn't happen. I did 6 years worth of test with these CT's against other. It just wasn't worth the -12 or the -6. Their argument for -12 may sound good, but it didn't happen. FD's early idea to have the prop over pitched to 5200 rpm at WOT to slow it down also was a false. I did slow it down, but to its detriment and letting the rpm be up around 5600 doesn't make it cruise too fast. matter of fact 5200 WOT could cause case cracks.