See Through Model Rocket Engine - FULL ENGINE - Slow Motion 4K

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Lorenzo von Matterhorn
Jan 31, 2009
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His latest (16 May 2017) effort:

Very cool. A lot better than the one that was cut in half.
I had heard of someone making a translucent cased AP composite some years ago. But the individual only took a few still photos during the burn.

This is the first I have seen of someone doing a full video with a BP motor. Very well done. Nice video of how an endburner MR engine functions internally.
Wow as much as he is way handier with tools and machining than I, that was a lot of effort to get the motor out of the casing. When I was a kid, we just took and exacto knife and sliced the casing and the whole thing would unwind like a scroll and the motor would be in one single piece. Of course I can just buy black powder now, but not at age 12.