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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

2536 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...

0 Replies

2511 Views

Last post by Sarnento
Sun Jan 18, 2026 7:02 pm
Pneumatic cannon not firing consistently – help needed

Last post by Driftboss3d « Tue Nov 11, 2025 9:17 pm
Posted in Combustion Cannons

by Driftboss3d » Tue Nov 11, 2025 9:17 pm » in Combustion Cannons

Hi everyone,
I’ve been building a pneumatic cannon using 2 PVC, a 120 psi compressor, and a quick-connect valve, but I’m having an issue: the spud is...

0 Replies

2465 Views

Last post by Driftboss3d
Tue Nov 11, 2025 9:17 pm
Anyone use theirs as a frozen bait launcher?

Last post by Broylz « Sat Jul 05, 2025 4:10 pm
Posted in Pneumatic Cannons

by Broylz » Sat Jul 05, 2025 4:10 pm » in Pneumatic Cannons

I have recently completed my first build with a 4” pic chamber of 48” reduced down to 2” and then down again to 1.5” with a pair of street elbows to...

0 Replies

84230 Views

Last post by Broylz
Sat Jul 05, 2025 4:10 pm
Where do I fire this thing?

Last post by CraigRepublic « Tue Apr 01, 2025 6:51 pm
Posted in Combustion Cannons

by CraigRepublic » Tue Apr 01, 2025 6:51 pm » in Combustion Cannons

Hello! This is my first time posting and first time building a potato cannon. Im very confused on where I can fire this thing.

I know that most of...

0 Replies

31415 Views

Last post by CraigRepublic
Tue Apr 01, 2025 6:51 pm
Bell Reducer or Flush Hub Bushing

Last post by mick04u « Thu Mar 20, 2025 12:25 pm
Posted in Combustion Cannons

by mick04u » Thu Mar 20, 2025 12:25 pm » in Combustion Cannons

Hello, I’m building a potato gun with a 4” combustion chamber and a 2” barrel. What would be a stronger transition from the 4” to 2” pipe, a bell...

0 Replies

34077 Views

Last post by mick04u
Thu Mar 20, 2025 12:25 pm
3d printed QEV

Last post by Laser diode « Tue Dec 17, 2024 4:01 pm
Posted in Pneumatic Cannons

by Laser diode » Tue Dec 17, 2024 4:01 pm » in Pneumatic Cannons

I had an aluminum qev that worked great but I noticed many things about it that could be improved so I decided to try to make one myself. At first I...

0 Replies

67578 Views

Last post by Laser diode
Tue Dec 17, 2024 4:01 pm
Pneumatic System Using 1/4 Inch Steel Balls

Last post by byron555 « Sun Dec 15, 2024 8:45 pm
Posted in Pneumatic Cannons

by byron555 » Sun Dec 15, 2024 8:45 pm » in Pneumatic Cannons

Hello, I own a 1/4 inch slide valve set combined with a QEV and would like to build or find an optimized semi-automatic loader to use with 1/4 inch...

0 Replies

68221 Views

Last post by byron555
Sun Dec 15, 2024 8:45 pm
Confused about stepper motors

Last post by Selma « Fri Dec 13, 2024 2:03 am
Posted in General Cannon Discussion

by Selma » Fri Dec 13, 2024 2:03 am » in General Cannon Discussion

How do I connect a stepper motor to a circuit board. I'm very new to this and need a little help.

I have a k8055 and a hybrid stepper motor, size 11...

0 Replies

66460 Views

Last post by Selma
Fri Dec 13, 2024 2:03 am
Pneumatic System Using 1/4 Inch Steel Balls

Last post by byron555 « Mon Dec 09, 2024 8:45 pm
Posted in Pneumatic Cannons

by byron555 » Mon Dec 09, 2024 8:45 pm » in Pneumatic Cannons

Hello, I own a 1/4 inch slide valve set combined with a QEV and would like to build or find an optimized semi-automatic loader to use with 1/4 inch...

0 Replies

68752 Views

Last post by byron555
Mon Dec 09, 2024 8:45 pm
Pneumatic System Using 1/4 Inch Steel Balls

Last post by byron555 « Sun Dec 08, 2024 8:56 pm
Posted in Pneumatic Cannons

by byron555 » Sun Dec 08, 2024 8:56 pm » in Pneumatic Cannons

Hello, I own a 1/4 inch slide valve set combined with a QEV and would like to build or find an optimized semi-automatic loader to use with 1/4 inch...

0 Replies

68885 Views

Last post by byron555
Sun Dec 08, 2024 8:56 pm
Making a Snow Cannon

Last post by byron555 « Fri Dec 06, 2024 5:33 am
Posted in Pneumatic Cannons

by byron555 » Fri Dec 06, 2024 5:33 am » in Pneumatic Cannons

Hello, this year I want to make the traditional snowball fights more interesting and exciting this winter by making a snow cannon that can launch...

0 Replies

67544 Views

Last post by byron555
Fri Dec 06, 2024 5:33 am
Vintage cap gun to potato gun conversion...

Last post by musket « Wed Dec 04, 2024 10:16 pm
Posted in Miniature Cannons

by musket » Wed Dec 04, 2024 10:16 pm » in Miniature Cannons

Hello all...my first post! So....I have a long barrell musket/rifle cap gun I want to make shoot potato. It's made of metal and wood. My thought is...

0 Replies

66649 Views

Last post by musket
Wed Dec 04, 2024 10:16 pm
Can someone help me build a tennis ball Launcher

Last post by Opob « Sun Nov 03, 2024 1:51 pm
Posted in General Cannon Discussion

by Opob » Sun Nov 03, 2024 1:51 pm » in General Cannon Discussion

Im a complete noobie and ive tried looking around and cant find something in good detail about how to make something.I tried looking through the wiki...

0 Replies

70641 Views

Last post by Opob
Sun Nov 03, 2024 1:51 pm
QDV Piston leak question

Last post by Pro « Tue Oct 29, 2024 4:47 pm
Posted in Pneumatic Cannons

by Pro » Tue Oct 29, 2024 4:47 pm » in Pneumatic Cannons

Regarding the famous QDV valve as outlined in this video:

There is one thing I am not understanding.
Once the rod is retracted and the piston...

0 Replies

66789 Views

Last post by Pro
Tue Oct 29, 2024 4:47 pm
Trying to get better power and range out of my tennis ball launcher

Last post by ColtD « Tue Oct 22, 2024 4:38 pm
Posted in Pneumatic Cannons

by ColtD » Tue Oct 22, 2024 4:38 pm » in Pneumatic Cannons

Joined cause im a bit stuck in my design/testing of my launcher and hoping i can get some ideas to add velocity and power to my projectiles. Im...

0 Replies

66574 Views

Last post by ColtD
Tue Oct 22, 2024 4:38 pm
High mixture hybrid gun "fuel cartridges" proposal

Last post by YBCO666 « Mon Oct 21, 2024 1:05 am
Posted in Hybrid Cannons

by YBCO666 » Mon Oct 21, 2024 1:05 am » in Hybrid Cannons

Well, I don't have the money, or the equipment, or the room to make a hybrid gun (100x+ mixture), the best I could do is make the 3D plans and see if...

0 Replies

67634 Views

Last post by YBCO666
Mon Oct 21, 2024 1:05 am
GAW 770 by Grégory

Last post by Turbine32 « Wed Sep 11, 2024 3:30 am
Posted in Hybrid Cannons

by Turbine32 » Wed Sep 11, 2024 3:30 am » in Hybrid Cannons

Bonjour à tous je suis français et en France pas beaucoup de monde ose les choses... Mais moi je le fais !
Pour continuer à faire vivre nôtre plaisir...

0 Replies

69009 Views

Last post by Turbine32
Wed Sep 11, 2024 3:30 am
Newbie builder, need some help on a school project

Last post by Potatolauncher424 « Sat Sep 07, 2024 9:06 pm
Posted in General Cannon Discussion

by Potatolauncher424 » Sat Sep 07, 2024 9:06 pm » in General Cannon Discussion

Hey potato launchers! (or whatever y'all call each other! XD) I've been researching for a potato gun project at school and need some help. I can't...

0 Replies

67236 Views

Last post by Potatolauncher424
Sat Sep 07, 2024 9:06 pm
School project potato cannon

Last post by Techexical « Wed Aug 28, 2024 11:58 pm
Posted in Combustion Cannons

by Techexical » Wed Aug 28, 2024 11:58 pm » in Combustion Cannons

Hey all, I am building a combustion potato cannon for a school project, a 1.5 inch ABS pipe based cannon (I know, pretty risky seeing how people see...

0 Replies

68501 Views

Last post by Techexical
Wed Aug 28, 2024 11:58 pm
Gregazzgun 770

Last post by Turbine32 « Mon Aug 05, 2024 12:03 pm
Posted in Hybrid Cannons

by Turbine32 » Mon Aug 05, 2024 12:03 pm » in Hybrid Cannons

Bonjour à tous je crée ce poste (je suis français) pour participer à continuer de donner vie au forum...
J'ai toujours aimé construire des choses...

0 Replies

68502 Views

Last post by Turbine32
Mon Aug 05, 2024 12:03 pm
200th post yay

Last post by quinn whitsitt « Wed Mar 13, 2024 9:04 am
Posted in Website Discussion

by quinn whitsitt » Wed Mar 13, 2024 9:04 am » in Website Discussion

what do you want me to do and is there anything that I can do to help also what do you think the topic should belong to an what will be in the...

0 Replies

76265 Views

Last post by quinn whitsitt
Wed Mar 13, 2024 9:04 am
I need some help with pcp tanks

Last post by quinn whitsitt « Tue Mar 12, 2024 1:04 pm
Posted in Website Discussion

by quinn whitsitt » Tue Mar 12, 2024 1:04 pm » in Website Discussion

dose anyone know where I could find some 100 cu foot tanks rated from 6000 psi to 6800 psi

0 Replies

78198 Views

Last post by quinn whitsitt
Tue Mar 12, 2024 1:04 pm
any ideas about how to improve the website

Last post by quinn whitsitt « Tue Mar 12, 2024 12:52 pm
Posted in Off-Topic Hobbies

by quinn whitsitt » Tue Mar 12, 2024 12:52 pm » in Off-Topic Hobbies

if you do have any ideas I will try to show them to the administrator

0 Replies

74593 Views

Last post by quinn whitsitt
Tue Mar 12, 2024 12:52 pm
it says the pnumatic spudgun forums are new

Last post by quinn whitsitt « Fri Mar 01, 2024 11:01 am
Posted in Website Discussion

by quinn whitsitt » Fri Mar 01, 2024 11:01 am » in Website Discussion

is this becase there the newest member off the sections on the fourms if so how old are they it dosent make since they should have been before hybrid...

0 Replies

79165 Views

Last post by quinn whitsitt
Fri Mar 01, 2024 11:01 am

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