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That looks fantastic, I like how you've incorporated 3D printed elements and impressive muzzle energy too, it must be very loud!

Interested to see the projectile, is the barrel a smoothbore?

Definitely visually interesting but in technical terms it seems it will be a while before our robot overlords will arm themselves with pneumatic weaponry

Good stuff, not often you see a breech loading design.

Some impressive performance statistics and more than 50% retained energy at 500 meters is impressive! I'm not sure that the "rifling" on the projectile itself has any real benefit but it does make for an attractive round :D Have you tried some different burst disk thicknesses before finding an optim...

D_Hall who created GGDT/HGDT still visits the forum occasionally but unfortunately I believe he had stated that no further updates were forthcoming.

Yet another vintage pellet gun resto-mod :D The Pell Master 700 is a somewhat unique CO2 rifle that was first manufactured by Crosman in 1967 and only made for four years. Unlike most similar devices pellets are loaded through a rotary tap rather than a bolt, and the hammer and valve are in line wit...

Since we're talking about rifling, have you seen how people are using "electrochemical machining" to rifle barrels from steel tubing? A very interesting way of doing it for those who are more at ease with 3D printing although I suspect it would be a challenge for rifle length barrels. mark.s has a ...

Not entirely sure if the stats are right considering I have disc data on it and just shoot cut potato's from a brass tube in the barrel, despite it clearly just being a regular combustion cannon, hopefully doesn't goof it up You need to "trick" HGDT for combustions by putting disk failure at zero a...

Unfortunately due to overzealous moderation of historical footage, my YouTube channel has been terminated and the content is no longer accessible. All the video footage I have shared on this forum since 2007 was uploaded there and the links are now all dead. I have however recovered most of the cont...

Reuploaded video links:

https://rumble.com/v6r2ocq-victorian-ai ... -life.html

https://rumble.com/v6r2onc-victorian-ai ... tests.html

https://rumble.com/v6r2op8-victorian-ai ... to-11.html