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- Jan 27, 2009
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...and he even got a photo on Sport Rocketry!
I got an e-switch from hobby king today and wired it in. I verified the CG was still ok, and then loaded an E-6 motor, extra battery for the e-switch and 1/2 ounce of nose weight to put the CG where I normally had it when I flew it stand-alone for boost. So, next time I fly it, i'll attempt to glide it after ejection, then air start the E-6 and do a second boost...Weight normally is 9 ounces for the glider, 11.5 ounces with the E-6 and battery.
Interestingly the 2 cell battery I have popped the quest q2g2 igniters really well, however a new batch I got that are short and blue that have no protective cover over the igniter end, just sat and smoked...I think these are the new formula..whatever they were worthless on 8v.....
Frank
Cool, I haven't gotten mine yet, so haven't seen it.
Did you do anything to seal the edges when you laminated your fins?
And, presumably, your CF rod was epoxied directly to a CR?
ThirstyBarbarian and I are wanting to plagiarize your idea, but need more information
Thanks!
Looks like a fun combo. I bet the camera on the X-20 really changed the flight characteristics.
Not really, it's a keychain camera so small, it was a bit ahead of the cg so I put in a bit more up trim than normal but overdid it so it porpoised a bit on the first flight before I adjusted, the recording I included was the second flight after I readjusted the settings. On both of these flights I held full up pitch, down elevator on the video, early instead of just reacting as it arced over as on previous flighs and was able to keep the stack vertical for ejetion.
Ahhh, So you learned from the past that up elevator was what's needed to keep things straight? I was like holee molee, is he holding full elevator? But......... If that's what it takes, that's what is takes. Kurt
So, by up-elevator you mean pitching the X-20 nose up? So, the up-elevator was for the most part pretty constant during the entire ascent and accounted for the wind? This is all pretty cool. Are you concerned about flying the X-20 into the wind on the glide phase or is this not too important?
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