Gliders > Slope Soaring
Quark 2M - Back to cutting innocent trees!
DannyChapman:
Thanks - yes, I was planning on doing that anyway (possibly making a hinge with rod & tube, so long as I have enough). But my concer was that the tip of the fuselage is supported by not that much fuselage - just the section underneath the curved slot. It twists more easily than I would like.
I'm actually in the process of sheeting the fin (I have some nice 1/32" sheet from long long ago) with the grain running vertically. Hopefully that should stiffen up the bottom of the fin, and therefore reduce the twistability...
johnfireball:
Hey Danny, I sheeted the fin with 1/32 and with the rod it's plenty strong. It's a slow flyer anyway so not much stress. I just plug in the elevators which are a bit stiff and they hold ok only move out on landing. If they're loose rub a bit of impact adhesive on the rod to give a bit of grip.
DannyChapman:
I had just sheeted the fin with 1/32, dry fitted it, and liked the improvement, when I saw your post - so all is good. With the rod as well it should be fine. Thanks for the info about the elevators too.
Nhalyn:
Rudder should be sheeted ? I've not done on mine... :-[
I've add carbon plate 3x1mm at the rear end of the rudder for the full height and also a small part in the rudder leading edge at the basis. Seems enough strong for me.
Fred:
Hi Danny, welcome here :)
Sorry, I'm coming after the battle, but no reports of any rudder issues.
Like John, (but without the block) I glued a 4mm carbone tube along the rudder. Landed a few times on the back (ooppss!) and never broke anything :)
I was also thinking making the rudder removable, and use the 4mm tube as the hinge... But never did it.
As far as I know, very few people, if any, sheeted the rudder. Once covered, it's much stronger. but no arm in doing it anyway! :)
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