BL-630 with videos and pics

Boom! The classic potato gun harnesses the combustion of flammable vapor. Show us your combustion spud gun and discuss fuels, ratios, safety, ignition systems, tools, and more.
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jagerbond
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Mon Nov 23, 2009 5:43 pm

POLAND_SPUD wrote:wow...

this thing is really big
but that got me thinking... do you plan to build a hybrid?
you'd have to switch from PVC to metal to do so but that could result in a more compact gun
Love to build a big hybrid and I think its in our near future. This client does not want to be tethered to an air compressor, big tank or O2.

There's a bunch of proposals out for review it should be interesting to see what direction we go in.
Mike
Sureshot Inc. / http://www.ultimatespudgun.com
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POLAND_SPUD
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Mon Nov 23, 2009 6:30 pm

I've got to say that while I am not a fan of combustions your guns are truly awesome
and all aluminum
ohh I've just noticed that post

do you mind if I ask what exactly do want to use as the chamber ? just a plain alu pipe or something else?

I suppose that building the chamber out of pipes and fittings (whether you buy them ready-made or machine them yourself) might not be the best option as far as price and mass is concerned

I think you could cut a lot of weight and make a nice compact gun if you use a HPA aluminium cylinder - for example something like this


of course if you can disclose that info... I am assuming it's not a secret?
set to be semi auto
lol you can add a large air cylinder to act as both the meter and to operate the bolt :wink:

ohh I just realized that's you'll also need a source of compressed air to pump the chamber... but I'll cut it now as I think I am asking too many questions that you might not want to answer
Children are the future

unless we stop them now
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jackssmirkingrevenge
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Mon Nov 23, 2009 7:58 pm

Moonbogg wrote:Hearing that round whizz in the air made me think it might be fun to make a round with some whistle slots or grooves cut into it so that it whistles loud when fired.
Way to think like a Nazi :roll: :D
hectmarr wrote:You have to make many weapons, because this field is long and short life
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jagerbond
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Tue Apr 26, 2011 3:20 am

The BL-630 has got its final nod and approval for shipping... We added a partial Schedule 80 Aluminum barrel and split into 3 sections to help with shipping and transporting.

Figured I'd post some new pics.
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Spud Gun
Spud Gun
You can clearly see the curvature of the earth here
You can clearly see the curvature of the earth here
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Break down
Break down
Apparently not rated for 600mph
Apparently not rated for 600mph
Mike
Sureshot Inc. / http://www.ultimatespudgun.com
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jackssmirkingrevenge
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Tue Apr 26, 2011 4:13 am

Nice :)

I would have thought it would be a good idea to have the shoulder pad free to slide over the barrel, and have a could spring between that and the piston grip mount, in order to mitigate the felt recoil.
hectmarr wrote:You have to make many weapons, because this field is long and short life
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mark.f
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Tue Apr 26, 2011 9:11 am

I like how you can't realize the scale until you think "Hmmm.... that MAPP canister looks like it would fit in the barrel..."

Another excellent production piece. Good job!
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