On Wednesday, April 19, 2023 at 07:00:59 AM PDT, Randall Smith via KRnet <krnet@list.krnet.org> wrote: I did not know there were any hapi engine still left flying . They were known for breaking the crank. I had one do that personally.
Also known for flywheels coming apart. With all this said . . . Sparky had a HAPI in his first KR and never had a moment's trouble with it. Just lucky. Mike
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