But Frank, don't those weather balloons come down with a bit of a bump -
the ones I get brought in to me from nearby mountain farms certainly seem
to have suffered. Pity that OM4T.......
David
----------
> From: Frank van Lindert <lindertv@xxxxxxx>
> To: olympus@xxxxxxxxxxxxxxx
> Subject: Re: [OM] Radio flash triggers.
> Date: 26 March 1998 09:13
>
> On Thu, 26 Mar 1998 00:27:43 EST, WKato <WKato@xxxxxxx> wrote:
>
> >B&H sells "Pocket Wizard" radio controlled slaves costing $199 each for
> >transmitter and receiver (ouch) but allows up to 16 channels, Wein radio
> >slaves for $20 to $300, and Quantum radio slave for $274.00. I wonder
if you
> >could adapt model airplane controllers. I think many of the airplane's
> >controls are just on and off, which you could use to power a small relay
or
> >sync the flash directly.
> >
> >Warren Kato
> >wkato@xxxxxxx
>
> I have quite some experience building radio devices. Not only for
> flash slaves, but for activating the whole camera-on-motor-drive set.
>
> For this purpose even the cheapest ($15-20, for one-channel remotes)
> RC toy car units are fine.
>
> The transmitter doesn't need any modification. The receiver will have
> to be built into another housing, and a relay will have to replace the
> car's electrical engine but then you are all set. Range is rather
> small, typically about 50-80 ft. One other drawback: Many of these
> devices work on the same frequency (depends on the country you live
> in). So the use is limited to areas without children playing their RC
> cars...
>
> One of my dream-and-wish projects is to photograph from under a
> balloon (or kite). I have access to weather balloons big enough to
> lift an OM-4T-with-winder, and I also bought and modified a cheap
> 1-mile range RC-set for planes. I hope to have it happen this
> summer...
>
> Frank van Lindert
> Utrecht - Holland.
>
>
>
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