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Old 12-11-2009 | 09:21 AM
  #57  
bigdanusa
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From: Findlay, OH
Default RE: 90 sized engine recommendation

ORIGINAL: ka9fax
i have a 2ed stik thats not done, but i just got a O.S. 90 with a pitts that i will use next spring. anyone know of a good prop that i should start with?
thanks, tony
Tony,

I have an OS 91 FX on my goldberg tiger 60 and I started out with a 14-8. That didn't give me the speed I wanted so I went to a 14-6. That gave me more speed but not unlimited vertical. I then stuck a 13-8 on it and I now have unlimited vertical and a plane that flies like a bat out of H???. My tiger weighs close to 9 lbs.

So, since your big stick 60 weighs about 6 1/2 lbs by the specs I seen, I would go with the 14-6 prop. Hope this helps.

big dan
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