[SPAM] 91FX

[Nat Penton]

I have forgotten my pipe length, 24/25ins , ES ( 1 9/16od x 26oal ). The choice of pipe does make a difference. My favorite prop is the 14.5 x 11, 4bl, year around. Will occasionally run the 15.5 x 12, 2bl in windy conditions. Yesterday I ran the 16 x 11 cut to 14.5 ", with the tips left square. Surprisingly it was at least as quiet as the 4bl and perfomed very well. You sure can't judge by looking how noisy they are going to be. I want to get a 16 x 10 and cut it back to 14 3/4 , plus or minus, for a try
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