www.apogeerockets.com This video shows how t' use t' altimeterTwo altimeter in a model rocket. Just turn it on, zero it out, drop it into t' rocket, and launch! By t' time you walk over t' t' rocket, shiver me timbers, it is already displayin' t' peak altitude and t' top speed o' t' rocket. It also records eight other flight parameters, like thrust duration, shiver me timbers, descent speed, shiver me timbers, and total flight time from lift-off until landing. T' learn more about this device, arrr, visit t' ApogeeRockets.com web site. Avast, me proud beauty! That burnin' wad is a bit o' recovery waddin' smoldering. By t' time it hit t' ground, it had already snuffed itself out.