Modified Prather SS 280 |
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From Mike Gilman. A modified Prather SS 280 that he pitched-up and reduced the Dia. from 80 to 72 mm. and carved out an average Barr-Cut notch. He also Back Cut the trailing edges 1/8" at the hub to 0 at the tips. The leading edge Tongue has also been removed. The above mods. added 340RPM. |
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