RE: Sig Cabinaire Conversion
I suspect the only gear that will work in a Cabinaire is some of the super light pager motors with gear drive and the super light radio outfits like the RFFS system and some SMALL Li-Poly cells. Even the Pico servos and GWS reciever will weight down something like the Cabinaire too much. I would not want to fly a Cabinaire that weighed more than about 2 oz total weight. The design does not have a lot of wing area.
Now if you used a photocopier to blow up the plans to about 30 to 32 inches the GWS motor and gear would be fine.
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This whole question about the Cabinaire and radio really belongs in the Electric part of RCU. You'd be better advised to either post the question there in the indoor or Parkflyer area or I can move this thread for you as is. Let me know if you want this moved.