> Are you suppose to get a permit if you keep your engines under 60 grams? I
> talked to some guy at tripol (sp?) and he told me I was ok making my own
There may be someplace where it is legal, but in most states I believe
you will run into the fireworks and explosives manufacturing laws.
Let's see...they're not model rocket motors, since they are not being
manufactured by an entiry that adheres to all of the laws regulating
them, and they are not certified. They are not high power rocket motors
for much the same reasons. (If you want to call them model rocket
motors they would fall under NFPA 1125, "Manufacturing Operations for
Rocket Motors", which requires licensing, permits, accountability,
recordkeeping, etc., in addition to getting the proper DOT documents and
classifications to get them certified.)
Since they aren't model or high power rocket motors, they would probably
fall under NFPA 1124, "Manufacture, Transportation, and Storage of
Fireworks", which has even more stringent requirements, unless you can
find a way to get them recognized as amateur rocket motors, in which
case each state and locality has their own laws and regulations.
At any rate, I seriously doubt that *any* jurisdiction would allow the
making of rocket motors in residential areas. If you have any doubts or
questions, check with your local Fire Marshal's office and police
department, and don't believe everything you hear from "some guy at
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