If it is an igniter issue, it's almost certainly solvable. Most likely it would be the lesser mass of burning material resulting from a fancy match ignition vs a Quest type.
[EMAIL PROTECTED]: > Images/movie are now posted on the wiki, > http://psas.pdx.edu/LV2cNoseconeSeperationRing/ > > -d > >> <[EMAIL PROTECTED]> wrote: >> Thanks for using the list, but yeah, the attachments were too big. I >> think there's a 5 MB limit. Send them to Dave, have him post them. >> >> Nice job on the success, that's cool! I just can't believe it's the >> igniter, but, still, I look forward to the test that shows the igniter >> has nothing to do with it :) >> >> Andrew >> >> I wrote: >>> I sent this to the list, but I don't think it's going to go through. >>> Maybe it's off line again? Sorry for the double sent, Dave, but I forgot >>> to ask about drilling holes... >>> >>> ~D >>> >>> Well, we all know how I don't like to be on the critical path of this >>> project for too long... I machined a separation ring set, loaded it >>> with powder and assembled it, then tested the ring this morning. >>> >>> Success. >>> >>> I'll attach photos, and hopefully Dave can upload the movie and the >>> pics to the wiki. >>> >>> What's different that makes this one work? >>> 1) Wider area for the gas to act on separating the ring. Note how the >>> ring imparted enough energy to lift the nose cone 4+ inches. >>> 2) Foam used to retain powder is less than 1/8" wide, and very >>> light/spongy. Note burn marks all the way around the ring. >>> 3) Quest ignitor (as used on all other successful separations... Hmmm...) >>> >>> More tests to come. >>> >>> Dave, we need more holes drilled. This one might be tough since it >>> wont fit the jigs and the inside isn't exactly concentric. >>> >>> No, I did not hire someone to yank on the rope attached to the cone >>> just to trick everyone into thinking this was successful! It's all real. _______________________________________________ psas-airframe mailing list psas-airframe@lists.psas.pdx.edu http://lists.psas.pdx.edu/mailman/listinfo/psas-airframe
