>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?
Dan deVries
DEVRIES DESIGN, Inc.
Product Design --+-- Patent/Litigation Graphics
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[EMAIL PROTECTED]
Dan deVries
290 - 68th St. SW
Grand Rapids, MI 49548
Office: 616-281-2271
Fax: 616-281-2294
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