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  #27  
Old March 30th 20, 08:36 PM posted to rec.aviation.soaring
Charlie M. (UH & 002 owner/pilot)
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Posts: 1,335
Default Solo 2350D won't start

Plugs (I use NGK copper/V power) or wires/coils. A COP or extended plug wire into a well....look for carbon tracks from spark wire to ground....most noticeable at higher combustion loads (higher RPM's in NA, higher boosted in SC/turbo engines)....HV charge goes easiest path....higher combustion pressure sorta insulates spark going across plug gap....spark goes easy way....
Damp ignition can make misfires....so a damp day can make issues vs. a dry day....
Dielectric insulation of ambient air at seal level, standard pressure, is a lot lower than high compression/high load NA or "force fed"..
Physics son.....physics.....
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