Tweener
05-08-2006, 02:50 PM
Well, I started my rocket launching season this year - finally. Yesterday I brought out my Big Daddy to the RC flying site because I knew there had to be a way to impress on these guys that rockets can really be "way cool". They've never really shown much interest in my 18mm or 24mm D launches, so this time I rolled out the big guns with an E15-7. Since the BD was built with D in mind (3/16" lug), I've had a bit of a problem with rod whip on my two previous E launches. This time, I angled the rod and pushed gently on the tip until more than moderate pressure would be needed to point the tip past straight up, then situated the rocket on the short angle side. The result was a perfectly straight liftoff to at least 900' that finally provoked a few "ooohs" and "aaahs" from my RC gang. :D
BTW, if anyone trys this engine - either reef the chute or add a lot of extra shock cord. I did the latter after the first launch last year because two of the shroud lines broke loose. No problems since.
BTW, if anyone trys this engine - either reef the chute or add a lot of extra shock cord. I did the latter after the first launch last year because two of the shroud lines broke loose. No problems since.