prop size for ys .91fz  
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All Forums >> RC Airplanes >> Questions and Answers >> prop size for ys .91fz
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prop size for ys .91fz - 6/25/2008 10:29:08 PM   
spitfire66


 

Posts: 76
Joined: 6/26/2007
From: Kansas City, MO, USA
Status: offline 		Hello,

I was just wanting to know what some of you guys are running for prop size on your 91 fz's. I am going to stick with a 3 blade and have been looking at graupner props. 14x7x3 is my primary choice. Anyone else second that opinion or should I go with a 15x8? I'll tach my engine after getting the prop, but I'd like to at least get close the first time to prevent buying a bunch of props. Thanks in advance.

Shannon
       Post #: 1

RE: prop size for ys .91fz - 6/25/2008 11:21:54 PM   
macdona


 

Posts: 148
Joined: 5/5/2003
From: Reno, NV, USA
Status: offline 		I have a ys120 that I run a 15x8 two blade and a 14x7 three blade. On my twin Magnum 90s I run 12x8 three blades.

(in reply to spitfire66)
       Post #: 2

RE: prop size for ys .91fz - 6/26/2008 1:29:22 AM   
abacro


 

Posts: 168
Joined: 10/14/2002
From: Gadsden, AL, USA
Status: offline 		i run gruptner 14/7.5 two blade on my YS 91 ac turnning 9800 rpms on the ground. I'd guess the FZ91 will turn the same prop.so that means your looking at a 13/8 as a 3 blade.

(in reply to macdona)
       Post #: 3

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