geoffrey howes Posted October 31, 2010 Report Share Posted October 31, 2010 This maybe a silly question, does any know what the black screw on the top of the motor on the hypa flapper rotary sold by our site sponsor is for. Cheers Geoff P.S well worth the money, and the pigeons seem to love it.. Quote Link to comment Share on other sites More sharing options...
Will Beasley Posted December 28, 2010 Report Share Posted December 28, 2010 The black screw is there to stop the arms rising out of the slots in the motor head. Turn the thumbscrew so it covers the slots where the arms go in otherwise with the flapping motion and extra lift generated by the flapping the arms can actually rise up out of the slots and then ... you can guess the rest!! Quote Link to comment Share on other sites More sharing options...
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