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Prop for US 40 with OS 61 fx

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Prop for US 40 with OS 61 fx

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Old 03-02-2006 | 03:25 PM
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From: SAN SALVADOR, EL SALVADOR
Default Prop for US 40 with OS 61 fx

Hello,
What's the best allaround prop for this combination:
Ultra Stick 40 with OS 61 fx.
2 BLADE OR 3 BLADE?

Thanks.
Old 03-02-2006 | 04:52 PM
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From: Memphis, TN
Default RE: Prop for US 40 with OS 61 fx

I'd probably start with a 12x6 2 blade and see how that worked. Should be close. You could go as big as a 13x6 if you have the gound clearance.
http://www.osengines.com/manuals/50s...1fx-manual.pdf page 15 list OS recommended sizes.
Old 03-02-2006 | 05:24 PM
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Default RE: Prop for US 40 with OS 61 fx

12-6 or 12-7 2-blade should do it. 11-6, 11-7, 12-4 or 12-5 3-blade.

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