legranddudu
Well-Known Member
- Joined
- Oct 20, 2011
- Messages
- 972
- Reaction score
- 12
contrail hybrid 75mm K888 black gold & contrail hybrid 54mm J416 sparky / Pratt Hobbies GSE & K&S Chutes @ German largest meeting RJD 2012, just yesterday.... great motors, terrific sound & flights...all just perfect!
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John, this is one rocket with 2 interchangeable boosters, scratch build, 4" diameter, one booster 54 and one 75mm MM..
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