Hi There All, According to the Airmaster maintenance manual (see above) the brushes should be replaced when. they are used! Has anybody an idea of their life-time? We have nowadays 425 hours (and clo
Max After three years /160 hrs trouble free service I removed the brush box to verify unused lenght of the brushes. I compared them to new ones. There was still 2/3 to go (= useful lenght) in every b
Max, My first set of brushes lasted only 110 hours, then all three were worn out - got the fault indication on the controller panel. Martin at Airmaster said it was maybe a bit short even for a new p
Hi! Svein and all CS /Inflight variable props. When I had my MT CS prop it was necessary for me to fabricate my own bracket to hold the brush holder in place to mate with the slip rings. The major re
Hi Bob, Appreciate your comments regarding correct installation of the brushes relative to the rings. My Airmaster was delivered with a brush bracket for Rotax 912ULS. The holes matched exactly the h
Hi! Svein , I would still prefer to measure the actual angles and especially prove them to be "trailing " Regards Bob H Hi Bob, Appreciate your comments regarding correct installation of the brushes
Dear Bob, do you remember how much the MT brushes protrude out of the box ie. what is the lenght of the unsupported brush part = the cap between slip rings and a brush box brush side ? I my case (jus
Hi! Raimo First off ....how is that little girl? I hope now home and happy? If my memory serves me right I think the block was 0.0025=9D clear of the slip ring, but with any slack in the propeller as