Genesis of LMR & HPR.

54mm RELOADABLE MOTORS
U.S. Rockets 54mm 1280 F images

1280 J 580-F in a 6" x 84" USR custom kit.
Liftoff!!

1280 J 580-F in a 24" x 12" long saucer
called "Wocket".

54mm 1280 (casing) series thrust curves
Use back button.
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