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-   -   acceptable hinge gap (https://www.rcuniverse.com/forum/questions-answers-154/587485-acceptable-hinge-gap.html)

dinger2 02-27-2003 05:39 AM

acceptable hinge gap
 
For an LT-40, I've got just under 1/8" gap between wing TE and aileron LE- is this OK? Aileron was flush with TE before using CA on hinges- I deflected ailerons full before using the CA, but for some reason the gap seems excessive. Thoughts appreciated-

Brett

Kaos Rulz 02-27-2003 12:16 PM

acceptable hinge gap
 
Brett,

1/8" is pushing the envelope for gaps. I've seen trainers fly with gaps this large, but they would be more responsive with less gap. Recommend you seal the gap from the bottom with clear packing tape, or covering.

TerrellFlyer 02-27-2003 12:51 PM

acceptable hinge gap
 
There is NO acceptable gap in any hinge line,seal the gap with something.

Geistware 02-27-2003 12:54 PM

acceptable hinge gap
 
Zero gap is acceptable.
If you have a gap, seal it from beneath the aircraft.

visioneer_one 02-27-2003 03:08 PM

acceptable hinge gap
 
I agree with Geistware. I recommend sealing the gaps on *both* sides with strips of clear monokote. Standard clear ultracote is a little too stiff for this application, and lite clear ultrakote is a little too btirrle.

dinger2 02-27-2003 03:43 PM

acceptable hinge gap
 
Thanks for the info- I'll figure this whole thing out sooner or later...
-Brett

MinnFlyer 02-27-2003 08:54 PM

acceptable hinge gap
 
And don't worry about HAVING a gap. The hinges NEED some room to flex. Just seal it as mentioned with tape or covering and you'll be fine.

bignasdy-RCU 03-01-2003 02:17 PM

acceptable hinge gap
 
how about the huge gap in my STUKA ailerons and flaps? Thought id throw that one out there fellas. lol
d

TerrellFlyer 03-01-2003 03:46 PM

acceptable hinge gap
 
Morning bignasdy,that plane was on the losing side wasn't it?

bignasdy-RCU 03-01-2003 03:49 PM

acceptable hinge gap
 
isnt that a pity?! I think it was on the winning side of aviation!
d

dinger2 03-02-2003 03:58 AM

acceptable hinge gap
 
One of my favorite old plastic kits was my Stuka-I was probably about 12 years old- I can't remember what scale it was, but at the time it was probably one of the bigger models I'd built- from a Revelle kit, if I remember correctly. How does the RC version fly? Can you build it scale? Anyways, I've covered the gaps- and thanks to you, MinnFlyer, for your most helpful diagrams- but it still seems that I've got a bit of a gap. By this I mean that while there is no "airspace" between the wing TE and the aileron LE, there's still the same spacing between the TE and LE. Sorry here for the newbie questions, but I'm assuming that the problem of a TE-LE gap (or any control surface gap) has to do with the "airspace" between the two surfaces and not the actual dimensions between the two.
Thanks,
Brett

TerrellFlyer 03-02-2003 02:11 PM

acceptable hinge gap
 
Morning dinger2,you're correct,especially with ca hinges, there needs to be room for the hinges to flex without binding and trying to pull out of the wood,just seal the gap to keep a even air flow.


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