Estes Optima out o' production kit. Begad! This be built stock from an original kit (Made in USA). Well, blow me down! Rocket is 47'' tall and 2.5'' wide. Flown usin' Estes D12-3 (mostly) and a few D12-5 motors. Very straight boost with no weathercockin' given 4mph winds. Aye aye! Flight date was 1 Oct 2011 in Wormwood Scrubs, me hearties, London.