Way back, maybe 30 years ago, when Novak first started---and even earlier when Bob worked for Micro Avionics and then Orbit, there were companies that kitted up parts for electronics. I think Ace and Royal Electronics sold servo kits and probably receiver kits.
I don't remember anyone kitting up speed controls. Even the earliest Mosfet escs--for cars-- in the early 80's were pretty challenging. I do remember when a Novak employee---Eloy Marez, who wrote articles for one of the airplane mags, did a piece on building a simple esc. But, I believe, it was for an air model.
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Originally Posted by DLS II
At one time there were kits available to build speed controls for brushed motors. I built several. Most used multiple mosfets in parallel (TO-220 case) , op amps like a NE544 and IIRC ran at a 60 hz frame rate. The kits ran 30-50 $ and worked quite well. This was 15 to 20 years ago. I doubt anyone now would be able to market a kit for a brushless speed control at a decent price-much to complex. Don
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