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How to launch big wing?
Howdy Ya'll.
I've just built a 52" Zagnutz (Thanks CTF). I've got a 10oz payload, and it is becoming a chore to launch. Half the time it ends up in the grass immediatly after hand launch. I've got plans to build a scaled up 96" nutz. My question. Is it possible to hand launch a plane this size and weight? Has anyone experimented with landing gear, or some other launch method? Thanks AC See my latest Nutz AP video here: www.planevision.com/video/ZagnutzAP.wmv |
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Umm, I hand launch my 93 inch zagnutz,no problem.But only weighs about 45oz.I need to look into a bungee,it would make me less nervous about launching.
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We launch a 100" Brushless Queen Bee that has a heavy drop box by just taking about a 4 step jog and toss her hard and as far as possible. Also we try to do it down a slope to help the glide.
Check the thread about her: https://www.rcgroups.com/forums/showthread.php?t=360060 Fun stuff launching a big one! *sort of* -Dave |
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Hmmm.... might need to look at your CG and make sure everything is up to snuff there. It shouldn't dive for the grass with only 10 oz. of payload. I hand launch a 60" ZN style wing with full gear at 54 oz. and it does pretty well, cuts the wind like crazy at that weight too! A 96" wing should have single digit (or at least low double digit) wing loading and be even easier to launch. We have settled on the AXI 28/14/12 as a dandy little power plant for anything up to around 60 oz.
CTF Your welcome! |
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Or you could just build a PALS
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What is a PALS?
Did a quick search, must have missed something? BTW sign me up for your planes, or at least a pod when you get finalized. Looks like a terrific design! https://www.rcgroups.com/forums/showthread.php?t=364112 AC |
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I hand launch all my wings...
Right hand on the back & underside (like your a waiter carrying the plane beside your head), left hand on the front to stabalize. eventually holding it right hand only & then throw like a baseball using the back of the plane to push against. (motor off of course) I do a throw, glide/check & then power-on... |
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Quote:
PALS Page Here is a clip of a PALS launching a 5 lb ZagNutz wing - the trees are about 80 feet away. PALS Launch Clip (P)neumatic (A)ircraft (L)aunching (S)ystem! CTF |
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Quote:
I think I built that big bazooka for about $60 all up. Good thing is, you can find swim noodles in Wal-Mart right now too! I estimated that a 3' barrel and air chamber would launch a 3 lb wing like a rocket! That way you could also use a bicycle tire pump or one of those little 12V compressors and get it up to pressure pretty quick. Gene |
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Quote:
Any advantages versus a bungee besides extreme coolness? Seems to be a launch similar speed for more cash. --Alex |
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