Q:

Semi Auto …..how hard can it be ?

Well how hard can it be to make a semi auto 😯 ….let me give you a clue …….”F****n hard” 😯 . Ive been reading lots again , going deep under cover on the Russian sites to gain info ( at much risk to myself and my pet cat “Millie”) . Apart from FX airguns Monsoon ( and Daystate,s never to be released electronic controled full auto ) the Russians seam to be the only ones who have managed to make a semi auto work!. Ive only seen two manage it Dudis and Victor620 , with both looking to market their guns .
. If im going to have a blow back operation of the hammer , there needs to be an understanding of spring rates and timing of the components (which i dont have yet lol). From what ive read , to get blow back im only going need to use about 1 % – 3 % of the air used to fire the pellet ( info supplied by Bricks20 ) to push back the hammer , so thats the easy part done ………….hehe if only.
So heres my idea ( nothing radical here! ) following the idea of the monsoon with a spring loaded magazine.

Hammer would be released by the trigger , the black spring wire forcing the probe forward and the pellet into the bore. The wire spring would then need to have enough force to keep the probe held in the bore when the valve releases air or id need a locking mechanism to hold the probe shut .The hammer would continue on past the probe onto the valve releasing air.

As the pellet exits the barrel ,air is forced into the blow back valve , driving the hammer back ,which collects the probe , the mag would index and the hammer would lock on the trigger group 😯
Now dont jump on me just yet ,i freely admit its early days and ive got BIG HOLES in my understanding. Im just throwing stuff into the void to see what washes up !!!!!
This post is one thats going to run for a while , i think ! 😀
L8R ALL

Mods/Machinists

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The paintball industry went through this many years ago. No body could make a reliable semi auto and look at them now.

I do not know if you are familiar paintball guns, in particular the AUTOCOCKER. The original autococker took a manually pump operated gun and converted it to semi auto by using a small regulator and ram to cycle the gun.

A regulator fine tunes the amount of force needed to just cock the gun and cycle it and I be that a ram and reg would be great addition to a airgun that uses a magazine system.

This guy has been making old school paintball guns converted to semi auto for years. He makes and designs the regulators for them is well know in the pb industry. His regs are also used in fighting robots!

The funny thing is that the Air Wolf is semi-auto in the fact that it will fire every time you squeeze the trigger, with no cocking needed. The downside being, obviously, that the magazine is still manually rotated via the bolt. I think that a bypass could be made though, although there is a delay between each shot of about half a second.

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