09-04-2017, 01:31 AM
(09-02-2017, 08:27 PM)randyc Wrote:(09-02-2017, 07:43 PM)Dr Stan Wrote: Tinker Toys, Lincoln Logs, an Erector Set with a 110v motor and real nuts & bolts, slot cars, a chemistry set with real chemicals including salt peter & sulfur. Guess what I made.
I'm going to go way out on a limb and guess that it made a loud noise
Also used the propellant from solid model rocket motors for similar items.