Thorp Air Command - T18.net

Supporting Owners, Builders and Pilots of the Thorp T-18 and its variants.
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hurant
 Post subject: Props
PostPosted: Sat Oct 01, 2011 7:42 pm 
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Joined: Thu Oct 22, 2009 7:45 pm
Posts: 36
Location: USA
I ordered a Aymar/Demuth prop, back in 1989, because they advertised it as having a steel leading edge but when it arrive it had that plastic stuff. I called them on it and they claimed the one they delivered would be better for the Thorp. I asked about rain and they said to drop the RPM to 2000. It didn't help as the rain ate it up, including the epoxy I used to filled the holes later. I fiber glassed it and that didn't work, ether.
Taking a tip from the riveted copper leading edges of earlier wood props I applied JB Weld over the leading edge, on top of the fiberglass, to an inch back on both sides, sanded it down to about 1/16-3/32nds and notched it every 2 inches for flexing. Held up great for over 100 hours until the "mishap".


Last edited by Anonymous on Sat Oct 01, 2011 7:42 pm, edited 1 time in total.

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