Recent content by Bladerunner

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    Rotax 670/gearbox/prop..magic # ?

    Kevin, I have a 3 blade 72in ivoprop on a 3.47 gearbox powered by a rotax rick 670 that seems like the perfect combo for my zenith 701. I can control top rpm by pitching the blades steeper or less steep, which affects climb out and cruise quite a bit. Rick tells me peak hp for the 670 can be...
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    Rotax 670

    To the OP original question, I have a Rotax Rick 670 with his recommended exhaust system in a Zenith 701, mounted inverted, I currently have 100 hrs on the engine. I bought the plane from a friend, engine already installed, knowing there may be teething issues. It runs awesome, lots of power...