DSC-RX100M3
ƒ/3.5
8.8 mm
1/200
125
Erik’s new rocket, the first in 6 years! All fiberglass. 15 lbs. I happened to have the perfect gold midsection to lengthen her and make more room for a proper parachute. She had two great flights.
Launch videos and flight two below…
But then it spiraled out of control. 
This is often a sign of a fin ripping off from supersonic stresses… but as I zoomed in the photos… It was engine-burn through the sidewall… two flames:
a bit of cursive skywriting overhead
and we found it… with my RF-tracking beacon this time 
The corkscrew problem… 
The K590 dual-thrust motor burned through the sidewall of its aluminum motor casing, and right through the aluminum boat-tail. The temperatures cut through that metal like butter.
Leave a Reply