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Re: Small semi automatic hybrid project
Can you send me the original diagrams by e-mail? I'd like to translate them so non-Spanish speaking members can understand them better.
Re: Small semi automatic hybrid project
Yes, I send them to you by email. Thanks, Jack  New ammunition loading system and firing gun.  This is the diagram of the system that today finished building, for 5.5 mm balls of lead. Luckily, it worked well. In this design I used two o rings to completely seal the firing barrel, (smooth bore). Apart it is safer because the tube to house the ammunition, is not exposed to the explosion pressure, and can be fiberglass, simply. I just need to integrate the pneumatic actuator of simple effect, to achieve the automatic movement of the slide, (in gray in the design).
Weapons do not exist, they are built. This hobby is a science - totally procedural art.
Re: Small semi automatic hybrid project
Here I leave several photos of the new ammunition loading system and other components. The photos are being installed, inside the weapon. Later on in time, I will upload a new shooting test video with the new cal.22 spherical lead ammunition system.
1- Loading system 2- Loading system with pneumatic actuator. The red arrows indicate where they are attached. I need to do this. 3- Ingestion of the ammunition to the tube that contains them. It can accommodate 7. 4- Shot gun .22, manufactured with a 5/8 "tube and resin inside. 5- Simple effect pneumatic actuator. Produces 12 kg force at 6 bar. 7- Check ball valve, main. 8- Gas dosing unit and low pressure check valve, in the automatic air-butane mixing unit. 9- Exhaust valve that cleans the burned gases from the combustion chamber and its pneumatic actuator
Last edited by hectmarr on Fri Feb 08, 2019 8:02 pm, edited 1 time in total.
Weapons do not exist, they are built. This hobby is a science - totally procedural art.
Re: Small semi automatic hybrid project
Finished charging system. It is for .22 caliber ammunition. Tomorrow I will do a shot test, I will try to film to show it
Weapons do not exist, they are built. This hobby is a science - totally procedural art.
Re: Small semi automatic hybrid project
I love it
when the zombie apocalypse happens I hope you're on my team!
Re: Small semi automatic hybrid project
Oh yeah! we are going to sprinkle with balls of lead everything that is not human jajajaja
Weapons do not exist, they are built. This hobby is a science - totally procedural art.
Re: Small semi automatic hybrid project
This is another charging system, which I have built, of test.
These are the pictures. It worked correctly, luckily I think I will continue with the previous one, the video, and the previous diagrams, because it adapts better to what I need.When I can, I'll upload a video of the tests.
Weapons do not exist, they are built. This hobby is a science - totally procedural art.
Re: Small semi automatic hybrid project
Re: Small semi automatic hybrid project
Looks great, looking forward to seeing any test videos you might have! I agree with your assessment elsewhere that " lacks the flexibility to adapt to the variations of the different shots, in terms of power", because changing a variable with the projectile means that you could upset the system - but still, for science, these things should be tried and it seems you did a great job of building it!
Re: Small semi automatic hybrid project
It was especially complicated for me, because everything has to be fair. Tomorrow afternoon I will make the video to share here. It is "instantaneous" the operation, because practically can not be seen when the ajuga moves. On the other hand, better not to put your fingers near it because it seems to have the energy to hit very hard ... That is the most important precaution. I have tried it without any firing gun, and I have played with the tension of the spring, but it does not fully discover the hole through which the bb + s enter. Then I incorporated a small gun, 15 cm, (which had been discarded), and opened fully, about 3 cm. Includes two silicone washers to soften the blow on the needle. In short it requires regulation of the main spring, the spring of the small retaining ball, the spring that presses the bbs into the tube where they are housed, coordinated all this, with the resistance of the main retention o`ring. This regulates the pressure within the system. If it is short the bb does not enter. I have regulated this to the maximum to ensure the entry of the BBs inside the pipe. Thank you jack for the design, and the push to build it and try it. I learn like that!
Weapons do not exist, they are built. This hobby is a science - totally procedural art.
Re: Small semi automatic hybrid project
Here is a small video of how the system works. I am using the HA-SA 1 as a test bench, gas generator.
For some mysterious reason, my video editor Pinacle, stopped working ...  that's why I put the three videos separately.In the first one you see shooting. In the second, how is it built? In the third, implying a pair of ammunition with the spring of the system one at a time. https://youtu.be/SJmfS-2kb1g https://youtu.be/c4K0FqfuQcQ
Last edited by hectmarr on Fri Feb 22, 2019 6:19 pm, edited 1 time in total.
Weapons do not exist, they are built. This hobby is a science - totally procedural art.
Re: Small semi automatic hybrid project
Excellent! And brave of you to sit behind it during testing
Great to see it work, even though as you say it limits the type of ammunition you can use and power level without needing to be retuned.Also using it as a spring-loaded mini launcher was the icing on the cake!!! 
Re: Small semi automatic hybrid project
I have to build another to incorporate a semiautomatic weapon. I have already observed where it is necessary to reinforce the construction.
Maybe try to take gases from the first third or of the barrel, to soften a bit the energy of the system. For the rest, with steel bbs, it works very well. Another alternative is to use an adjustable restriction to limit the amount of gases entering the system.
Weapons do not exist, they are built. This hobby is a science - totally procedural art.
Re: Small semi automatic hybrid project
Going back to what I am going to use to power the HA-SA 1, this is the design of the ammunition loading system.
It is similar to what I am using, but it has added the retention o`ring, which can be adjusted, and the needle to press the bb .22 lead, against the o`ring. I'm starting construction, although I have to get some materials.
Last edited by hectmarr on Mon Feb 25, 2019 9:23 am, edited 1 time in total.
Weapons do not exist, they are built. This hobby is a science - totally procedural art.
Re: Small semi automatic hybrid project
Slightly polished animation:
 Looking good!
Re: Small semi automatic hybrid project
Thanks, Jack.
A possible option is to operate the system by gases. The necessary modifications are minimal. The "piston" that is the rear part of the slide, (what moves), has a large area, and I think that with little gas could stretch the spring that works with traction, in this case.
Weapons do not exist, they are built. This hobby is a science - totally procedural art.
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