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91 fx/ goldberg 10-300.. prop?

Old 12-16-2006, 01:29 AM
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Derek8819
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Default 91 fx/ goldberg 10-300.. prop?

HEy guys what would be a good prop for this setup(carl goldberg ultimate arf and 91 fx pitts muffler)? can i run a 3 blade for better looks but good performance?

Thanks Drew
Old 12-18-2006, 11:55 AM
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Bax
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Default RE: 91 fx/ goldberg 10-300.. prop?

You want to prop the engine to run between 9,000 and 10,000 RPM on the ground when leaned to just rich of peak RPM. You can try a 14 x 8 or 15 x 8 2-blade prop. We don't have a recommendation for a 3-blade prop. You'll have to try and see what works...go about 1 inch less diameter and the same pitch.

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