X-celerator Rocket Apogee Ejection Charge Test - 1.75 Grams BP

This is a recovery system ground test of my newly completed X-celerator rocket. It's a dual deployment setup which ejects a small drogue chute with the forward section of the rocket at apogee. A larger parachute is ejected from the forward section as the rocket descends through 500 feet. I calculated 1.75 grams of black powder was necessary to cut the 3 sheer pins and eject the forward section and drogue chute. This proved to be perfect. I wrapped the forward section in bubble wrap to protect the new paint. I used a hand-held vacuum pump connected to one of the static ports to trigger the altimeter. I sealed the 2 other ports. There are two altimeters (for redundancy) controlling 4 black powder charges. This test was for the Perfectflite MiniAlt WD. The other altimeter is a Raven 2.

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