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Take a look at these new motors from Hyperion. http://media.hyperion.hk/dn/gs/ .They are designed for use in high power, short motor-run RC gliders. Just what we need for F1Q and large AMA Electric B. They come in a bunch of sizes, but I think the most suitable for our use are these:
Gs2213-14, Gs2213-16, Gs2218-10, and Gs2218-12. All come with 4 mm output shafts. For limited motor runs they can handle huge props and huge power … at least 550 watts in the case of the Gs2218-10.
Please note that these motors mount from behind the firewall. This can be make FF fuselage design a bit tricky. Most RC gliders have a removeable canopy which gives easy access to the motor.
One can reverse any out-runner’s shaft, allowing it to be mounted ahead of the fire wall. This, however, requires ordering a suitable blank shaft and machining in the grooves for the locking rings and flats for the hex screws accurately. Of course the risk is making errors and junking the motor.
I have been doing this for my AXI motors and they don’t seem to mind whether they are flying forwards or backwards 🙂
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