YS 63 FZ

[Arthur Morton]

Does not sound normal, here there are several YS 63's and the typical 
prop most use is the APC or Bolly CF 13x6, running between 10-11k on 
Magnum #1.

Ray Morton

HARRY LAWTON wrote:

> Hi All,   I have a YS 63 FZ. I have run 3 gals. of YS 20-20 fuel 
> through it using a 12x6 APC prop.  The best RPM I can get is 7,900.    
> Is this normal or should I be getting more RPMs.  Any suggestions?  
>  Thank you.  Harry


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