Big Red Shred — at Mach 2.3

Описание к видео Big Red Shred — at Mach 2.3

And the rocket’s red glare… bursting in air ♫ ♪

My red fiberglass + aluminum rocket disintegrated overhead on a N5800 CStar motor at BALLS 31, thematic for the Fourth of July.

At Max Q with 32g of acceleration, the airframe buckled at its midpoint (the avionics bay coupler should have been longer), and the carbon fiber nose cone collapsed soon thereafter (too shallow of a winding angle). This led to a RUD in the sky, shearing off of all three aluminum fins and shredding the parachute. Both video cameras sheared off as well into free fall. I recovered one, but the video cam filled its memory before launch due to various launch delays (big disappointment, as I would have loved to have seen the rocket cam's view of the mayhem!).

Bottom line: this monster motor shreds over 90% of minimum diameter airframe attempts, and I learned a lot from mine.

Build photos: https://flic.kr/p/2oXbBFF

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