Manufacturer: | Scratch |
Product Type: | Scratch |
( Contributed - by Mark Shamburg-Donohue) Mark 1X Hi, my name is Mark Shamburg-Donohue. I'm a 17 year old high school junior. I live in Denver, Co.Ýand I've been flying model rockets since I was 12. I just got into high power rocketry this winter when I fired an Aerotech 1357T reload for a physics class project My favorite subject is chemistry and I have ...
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