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Stepper Motor Heat Issues

Last post by Allen58 « Tue Jan 20, 2026 1:30 am
Posted in General Cannon Discussion

by Allen58 » Tue Jan 20, 2026 1:30 am » in General Cannon Discussion

I know absolutely nothing about stepper motors. I bought a NEMA 17 stepper motor (17HS8401- ), with a nominal rated current of 1.7 amps. I did some...

0 Replies

94 Views

Last post by Allen58
Tue Jan 20, 2026 1:30 am
Semi auto airgun conversion project

Last post by Sarnento « Sun Jan 18, 2026 7:02 pm
Posted in BB, Airsoft, and Pellet Guns

by Sarnento » Sun Jan 18, 2026 7:02 pm » in BB, Airsoft, and Pellet Guns

Recently got into additive manufacturing, and thought about the possibility of something like a conversion from bolt action to semi auto could be...

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142 Views

Last post by Sarnento
Sun Jan 18, 2026 7:02 pm
Parts from the parts bin

Last post by farcticox1 « Sun Jan 18, 2026 3:01 pm
Posted in BB, Airsoft, and Pellet Guns
Replies: 3
by farcticox1 » Tue Dec 16, 2025 4:11 pm » in BB, Airsoft, and Pellet Guns

First post

Going to make something from these parts, 10mm BBs, single shot or semi auto, I will see what works out.

10mm.jpg

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Yes still at it in a small way, got a new 3D printer as well, using it on this build.

3 Replies

2620 Views

Last post by farcticox1
Sun Jan 18, 2026 3:01 pm
Spudder's Design Tool (SDT)

Last post by D_Hall « Sat Jan 17, 2026 6:43 pm
Posted in General Cannon Discussion
Replies: 34
by D_Hall » Tue Sep 02, 2025 10:48 pm » in General Cannon Discussion
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If you've read THIS THREAD , then you know I'm writing a replacement for GGDT/HGDT. The replacement is a single spreadsheet to replace *both* GGDT...

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I believe this makes sense. Thanks for your explanation! Is it correct to say that the best time scaler value for a given design is one that puts the...
34 Replies

37488 Views

Last post by D_Hall
Sat Jan 17, 2026 6:43 pm

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