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Boyles Law / Burnt Latkes Fuel Metering Calculation

Last post by Ratguy « Wed Jun 24, 2026 2:49 pm

by Ratguy » Wed Jun 24, 2026 2:49 pm » in Combustion Cannons

This is more of an informational post for people who are starting out and are not familiar with Boyles law. I decided to post this because I was...

0 Replies

101 Views

Last post by Ratguy
Wed Jun 24, 2026 2:49 pm
Propane gun build

Last post by Mb01 « Sun Jun 21, 2026 7:27 pm

by Mb01 » Sun Jun 21, 2026 7:27 pm » in Combustion Cannons

Before I build I want to see if my calculations are correct. If I start with the 1.5:1 ratio, I will have a 4 inch x 18 inch chamber and a 2 inch by...

0 Replies

331 Views

Last post by Mb01
Sun Jun 21, 2026 7:27 pm
Tire Bead Blaster Modification

Last post by D_Hall « Tue Jun 16, 2026 8:26 pm
Replies: 2
by treehousedan » Fri Mar 20, 2026 8:06 am » in Pneumatic Cannons

First post

As an arborist needing to get a pilot line over a specific tree limb I have many options but my current addiction is air cannons. When I saw a video...

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Huh. Interesting. I've seen bead blasters in the past and they always had ball valves or similarly less than optimal for our applications valves. To...

2 Replies

49463 Views

Last post by D_Hall
Tue Jun 16, 2026 8:26 pm
Arborist Weight

Last post by Balthazar « Tue Jun 16, 2026 5:43 am
Replies: 8
by KA2AUB » Mon Apr 22, 2024 5:46 pm » in Ammo & Materials

First post

I have an air cannon with interchangeable barrels. so far, I have a 1 1/2 barrel and 1 barrel. I am trying to get paracord in a tree for my ham radio...

Last post

Use a small fishing weight attached to your paracord. A 1-2 oz weight can help you cast the line into the tree.

8 Replies

130440 Views

Last post by Balthazar
Tue Jun 16, 2026 5:43 am
Need help on Pneumatic Air Cannon design!

Last post by farcticox1 « Sun Jun 07, 2026 3:54 pm
Replies: 1
by DaisyPukes » Thu May 21, 2026 2:46 am » in Pneumatic Cannons

First post

Hi everyone!

I'm a junior in high school and a noob about building pneumatic air cannons. For my physics 1 final, I decided to build a pneumatic air...

Last post

Do you have a budget or access to parts. What ammo are you going to use ? I found airsoft a good place to start or even Nerf Rival can give good...

1 Replies

3941 Views

Last post by farcticox1
Sun Jun 07, 2026 3:54 pm

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