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Old 06-09-2011, 05:16 AM
BigJohn BigJohn is offline
 
Join Date: Nov 2008
Location: Gloversville, NY
Posts: 1,532
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Quote:
Originally Posted by Peterk View Post
I mentioned on here before what a believer I was in the Dynamic Balance System that Walt performed on my RV12. So after the SB...my hub had to be replaced with a new, old revised hub....things didn't seem quite the same. Sure enough, took it back to see Walt today and it was off almost as much as it was originally. Apparently just shaving those two hub sides was enough to throw it off. We had to start over...and now all is wonderful again.
Peter,

I found it quite amazing how sensitive the balance is to very slight changes in weight. A few grams one place or another can make a BIG difference. Sure is nice enjoying that famous Rotax smoothness!

John
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John Peck, CFII, A&P, EAA Tech Counselor, Flight Advisor.
RV-12 N37JP 120176 Flying since 2012.
VAF paid through 10/2018. Best bargain in town.
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