DogLover wrote:What exactly where you trying to do with the gantry?
I was trying to hold the rocket in place after launch so I could video the Thrust Capacitor in action,
, and time how long each of the different sized removable nozzles will flow under identical water volume/air pressure configurations. 
Yeah, not a very well thought out design,
but I made it out of junk I found in a dumpster. I have a better set-up now. I'll get back to this soon, but the next time I get to go play it'll be all about flying and crashing. 