RE: DF brushless conversion
Hi,
I spoke too soon for with so many small helicopters being called Dragonfly I assumed the topic was about the GWS Dragonfly or similar sized machines. I just now realized that your talking about the Draganfly four rotor machine.
I would think that it would be possible if the Draganfly receiver is supplying a 1 to 2 ms pulse-width signal to each brushed motor built in ESC for there is even less current draw when using the Brush2Less for the receiver for it's brushed ESC's are no longer being used. The main problem might be an additional BEC required - the 4 brush-less ESC's would have their positive supply disconnected or they would fight each other and quickly burn out nor could any one of them supply the current required.
Even though the enclosed pictures are off topic, they may be of some use.
Gene