wrote:

Could antennae be installed with a velcro or other easy fix/release
attachment, and some sort of connector allowing break-off and
replacement without other damage?

I don't know of any method that would provide proper functioning and
break-off without damage, so you'll probably have to invent something.

(If they have to go beneath a carbon fuselage, they are bound to get
knocked some time.)

It can happen, but the antenna can likely be bent back into position,
and if it can't be, it is easy to replace (15 minutes on my glider,
since it's mounted just behind the gear doors) and cheap ($20-$30). I'm
talking about the rod style antenna - the blade type might take a bit
more knocking, but I think there is a chance of damaging the fuselage if
they get hit. They are much more expensive, also.

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Eric Greenwell - Washington State, USA

www.motorglider.org - Download "A Guide to Self-launching Sailplane
Operation"