HB , Helmet Burnhard, engines, Made in Germany. Owned by RJL Industries since 1989.
Moderator: SteveM
by Jack in PT » Wed Jun 24, 2009 10:32 pm
What is the recommended prop size for break-in on an HB 61 PDP? I started out with a 13-6 but have switched to an 11-8. Is either one acceptable?
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Jack in PT
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- Location: Port Townsend, WA
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