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  1. Skypilot1961

    440 Kawasaki PSRU design, parts, plans, sources

    I'm scratch building a PSRU for a recently acquired Kawasaki 440, water cooled, oil injected, dual carb engine. It's going to be used in a RagWing RW6 (absolutely love this plane!!!). Would really appreciate any help in choosing the proper drive ratio (thinking 2.9 to 1) as well as prop...
  2. Skypilot1961

    PSRU plans and parts sources for engines under 40 HP

    Hi fellow builders - Could we build a list of parts resources for building PSRU setups? The pulley's seem to be the most difficult to find short of paying top dollar for those being labeled for ultralight aircraft use.
  3. Skypilot1961

    Need help identifying this engine.

    This looks like a super clean engine in this sky pup - Anyone know the brand/model? I suspect it may be a 4-stroke...
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