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Old 02-15-2003 | 08:55 PM
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JohnM
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Default Prop size formula
I am getting back into the hobby after many years. I am building a Top Flite model of the P-51 mustang, one of the older kits(60"span) I am using a 72 four cycle engine and want to use a four bladed prop but have no idea what would be the best size.
Any help will be appreciated. Thank you.

John Murray
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