One of the things that seems to have been lost with the redesign is the previous reputation system, forum ranking is now based on post count. I see we now have a "thanking" system but it seems a shame that the previous thumbs up/thumbs down ranks are lost and it has been reset to zero. Stalin would ...

Great idea! This way you are not limited to spherical projectiles... I had tried to make something similar a long time ago where a solenoid pushes a bolt forward simultaneously chambering the projectile while opening a balanced valve but sadly both my materials availability and electronics knowledge...

hectmarr wrote: ↑

Wed Feb 26, 2020 4:44 pm

Here a video of the operation.

Wow, the muzzle velocity is much lower than I expected



Looks great, very inspring! An electro-pneumatic repeater will definitely be on the cards once I get my workshop sorted.

trigger mechanism working with light springs on.

A few tweaks and it's ready to go back together again, just the connecting rod to make from the charge handle to the loading arm at the rear.

I saw your other post. I see the oxygen bottle sitting there. I also see the igniter right next to the cannon with a short wire, meaning you have to be close to fire it. You are going to die. You can't use propane and oxygen in a PVC cannon. You are going to die or someone else is going to get mangl...

I have uploaded the balance of the videos detailing the BBV MG for anyone who is interested in having a go at a build. I'd love to see what can happen with more imagination applied. I am practical to a fault and would love to see the "cool factor" buffed by people better at that kind of thing than m...

202 meters per second with a 158 gram projectile. 2438 grains at 663 feet per second.

2379 ft lbs of energy. That's in .45-70 Government territory...

Here is my interpretation of the operating principle:



Good job fleshing it out!

That thing is an absolute monster. It's amazing.

Technology has come some way since the "lazor" era of my Nokia Prism over a decade ago. I had a play with the Slow Motion and Super Slow-Mo modes on my Galaxy S9: https://youtu.be/Z_6Tnh5XUq8 The projectile was a 0.25g airsoft BB at high subsonic velocity. The Super Slow-Mo is particularly interesti...

squib wrote: ↑

Sun Jun 07, 2020 7:03 pm

Look out Taofledermaus

Jeff is already familiar with my work

I've been having a play with milled collars to turn small masonry nails into stable darts without any modification of the nail itself. In 6mm calibre, a simple airsoft BB serves as a sabot. Some test firing at 15 metres shows that the projectile is stable and even fired from a low powered small 300 ...

Re-hosted the image so it appears animated in the thread:



A simple idea but at the same time complex in its execution... it looks like it should work!