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  1. jamesbdunn

    Rotax 670

    I have heard claims of gently cared for Rotax 670 engines with over 1000 hours and still running well. If you look at the dynomometer graph provided above, you can see the horsepower is directly related to RPM. To get 100 hp requires an RPM of 6750. Notice at 92 hp is an RPM of 6500. The...
  2. jamesbdunn

    Rotax 670

    The 670 will produce on a dynomometer 120 hp "peak". http://www.dootalk.com/forums/topic/549462-hp-discussion-between-different-rotax-engines-here-is-are-some-dyno-p/ However, in an aircraft under continuous sustained load, this would be an engine death sentence...
  3. jamesbdunn

    Does there exist a Full Motion Taildragger Flightsim

    Good advice If I can find a semi-local CFI to get TD time, I'll go take a couple of hours with them. At least that will give me a baseline of what to expect. I can better explore options after that experience, and correlate my actual experience with recommendations of the CFI. Thanks
  4. jamesbdunn

    Does there exist a Full Motion Taildragger Flightsim

    Taildragger endorsement is about 15 hours of instructor time with Citabria before the first solo. At least a $1500 investment. I would like to work on memory skills on a simulator to keep the number of instructor hours to a minimum. I've not used this flight sim software, but it "seems" to...
  5. jamesbdunn

    Sportsman STOL Kit Features for Homebuilt Wings

    I agree with everything you say about flying skills. I'm looking for insights related to a non-builder making modifications to my kit built aircraft, that was purchased from someone else. I modified my original post, because I did a poor job in making that readable. Thanks for both your...
  6. jamesbdunn

    Sportsman STOL Kit Features for Homebuilt Wings

    The dominant cause for fatalities in kit planes I've reviewed, is low & slow while: making turns, abrupt control movements, high engine power, wind gusting or wind drop-out near stall speed. http://www.ntsb.gov/investigations/accidentreports/pages/aviation.aspx For conventional gear / tail...
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