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Old 11-22-2008 | 04:46 PM
  #9  
pe reivers
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From: Arcen, , NETHERLANDS
Default RE: Problem with Ignition System

Not exactly. The spark should occur at 28° BEFORE tpp dead centre, when the prop is rotated slowly.
This is for retarding ignitions like RCexcl. Advancing ignitions shouls spark between topdead center and about 5° before top dead centre.