ORIGINAL: mmattockx
ORIGINAL: Ed Cregger
I wish one of you "honeycomb" fans would weigh all of the pieces of foam that you have removed from the wing and report the weight here. I doubt there is a 1/2 ounce of foam to be measured. Yes, the glue not glueing those sections "could" decrease the weight some, if you put the glue on the honeycomb and not on the wing skins. I've never understood the fascination with this technique, especially after seeing more than a couple wing failures because the honeycomb process weakened the structure to the failure point.
I'm not trying to start a fight, just a discussion. No offense intended.
Ed Cregger
Ed,
The 2M pattern guys can remove more than 3oz with this technique. Combined with careful glue application and wood selection, you get much lighter wing panels and this makes for a plane that rolls, snaps and spins more accurately. Care is required to leave enough support near the wing root and around retract mounts, but it is worthwhile for that last few percentage points of performance. Looks really cool, too!
Back to the KK build now.
Mark
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The first time that I showed up at the flying field with a new pattern model featuring a servo in the wing for each aileron, I was told that my patternship was substandard and would never perform rolls crisply enough for competition flying because of the added weight in the wing panels. This was around 1982 or so. <G>
I have never seen a King Kobra "in the flesh", though I have long admired its great looks in the magazine ads, etc. I wish you the best of luck with your project and will cease to drag your thread off topic. Thanks for your patience.
Ed Cregger