Martin Gregorie wrote:
None of them have remote
releases, unfortunately, but I think this can accomplished with some
tinkering, using a low cost radio control system for model cars/aiplanes.

You probably already know this but: if you go the RC way, be kind to the
RC pilots and either stick to 27 mHz or avoid the aircraft-only
frequencies. Boats and cars don't get written off by a bit of
interference like aircraft do.

Good thoughts - I was thinking of the cheapest car type with the
shortest usable antenna on the transmitter, since only 30 feet of range
is required.


It would also be interesting to know of the IR control systems used for
indoor models work for this application or if they get swamped by
sunlight reflected off the wings and fuselage.

I'm not aware of this type, but I suspect swamping wouldn't be a
problem. IR units typically use modulation to avoid ambient light level
problems. Do you have a URL or two I could look at?

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Eric Greenwell
Washington State
USA