On Sun 12 Mar, Dan deVries wrote:
> >On full-size gliders we use a piece of brass between the
> >'hook' and the tow line - if the load is too great the
> >brass breaks, instead of the wings!
> >
> >Tord,
>
>
> To elaborate on Tord's , the "weak links" I've used have a kind of
> cylinder/piston arrangement with a pin in SHEAR (for predictable failure
> load). Outboard motor propeller shear pins are similar except they're
> limiting torque rather than tension -- not much difference to the shear pin
> itself. The ends of the weak link device are connected to the tow cable and
> the tow ring respectively.
>
> This provide anyone with additional insights in how a weak link for models
> might be made feasible?
>
Your design should give much more accurate function than the one we used!
A load (amps) limiter on the winch would be even easier, and for ever reusable!
Tord,
Sweden
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Tord S. Eriksson, Ovralidsg.25:5, S-422 47 Hisings Backa, Sweden
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