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Can someone good help me ? please

Built a BB Machine Gun? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Re: Can someone good help me ? please

Unread postAuthor: Haniball1337 » Wed Mar 27, 2019 10:21 am

https://www.youtube.com/watch?v=zFG-QMPUrT4&t=739s how i can have that power ? he uses 6-7 bars i use 8 bars and i can even penetrate Thin wood ?
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Re: Can someone good help me ? please

Unread postAuthor: farcticox1 » Thu Mar 28, 2019 4:04 am

what ammunition, he has some big slugs
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Re: Can someone good help me ? please

Unread postAuthor: Haniball1337 » Thu Mar 28, 2019 11:34 am

https://www.youtube.com/watch?v=zFG-QMPUrT4&t=49s How i can have the same power? He uses 6-7 bars and he can penetrate all that , i use 8 bars and i cant even penetrate thin wood. I use 8 mm barrel and 8 mm steel balls . My pilot is air compressor gun
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Re: Can someone good help me ? please

Unread postAuthor: Haniball1337 » Thu Mar 28, 2019 11:43 am

its 0.7 metres long barrel 8 mm
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Re: Can someone good help me ? please

Unread postAuthor: farcticox1 » Thu Mar 28, 2019 4:03 pm

Should have good power then, you could be losing pressure through the blow gun, normally pressure goes the other way to seal.
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Re: Can someone good help me ? please

Unread postAuthor: Anatine Duo » Thu Mar 28, 2019 8:05 pm

also how snug is the projectile in the barrel?

Your pilot volume looks huge. That doesn't help.
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Re: Can someone good help me ? please

Unread postAuthor: jackssmirkingrevenge » Fri Mar 29, 2019 3:21 am

Anatine Duo wrote:Your pilot volume looks huge. That doesn't help.


Agreed, try it like this and see if power improves:

Image

Can the projectile roll down the barrel easily?

Do you have a system (like for example a magnet) to keep the projectile in the breech?
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hectmarr wrote:You have to make many weapons, because this field is long and short life
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Re: Can someone good help me ? please

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Re: Can someone good help me ? please

Unread postAuthor: Haniball1337 » Fri Mar 29, 2019 10:10 am

This tee is for bicycle pump , no i dont have magnet , Iuse toilet paper and ball
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Re: Can someone good help me ? please

Unread postAuthor: Haniball1337 » Fri Mar 29, 2019 10:14 am

Yes , the bullet is going easily , but sometimes if i wrap bullet with toilet paper its hard to push bullet into barrel and air its not pushing him
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Re: Can someone good help me ? please

Unread postAuthor: Anatine Duo » Fri Mar 29, 2019 3:45 pm

Sounds like the projectile to barrel fit is good.

If you take off the barrel, pressurize, and try to fire, what happens? A loud pop or just a hiss out the pilot?
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Re: Can someone good help me ? please

Unread postAuthor: Haniball1337 » Sat Mar 30, 2019 1:37 am

A little loud pop
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Re: Can someone good help me ? please

Unread postAuthor: jackssmirkingrevenge » Sat Mar 30, 2019 5:29 am

With a proper pilot you should be good, I used a slide valve for my experiments and it popped very well.
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hectmarr wrote:You have to make many weapons, because this field is long and short life
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Re: Can someone good help me ? please

Unread postAuthor: Haniball1337 » Sat Apr 06, 2019 5:21 am

If i will do that , how much my power will increase?
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Re: Can someone good help me ? please

Unread postAuthor: jackssmirkingrevenge » Sat Apr 06, 2019 8:20 am

I can't quantify it exactly but the more pilot volume you have, the slower the valve will open and the less power you will get from your projectile.
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hectmarr wrote:You have to make many weapons, because this field is long and short life
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Re: Can someone good help me ? please

Unread postAuthor: Haniball1337 » Mon Apr 08, 2019 10:28 am

Have anyone other ideas to increase power please?
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