Saturday, January 9, 2016

January Trials

Had a great day out with QRS. Managed a total of 3 flights with one disaster.

A 2 stage rocket I'd been working on for a while had a second stage launch on the pad. This destroyed the payload area, timer etc.
Seems the radial deploy wasn't strong enough to handle the pressure. It blew at 85psi.
So it's back to the drawing board for that project.

2 other flights using 70 mm water bottles (not soda) both flew well at minimum pressures around 90psi.

Noticed the O-ring on the gardena nozzle had slipped up the nozzle on 2 launches. Suspect this is reason for sudden/temporary loss of pressure when getting rocket ready. Will change 0-rings and try different nozzle brand.

Anyway, here's a quick look at the day.






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