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UHMW test rounds

Post about things you have launched or thought about launching. Also post about various materials used for building cannons. No posts about explosive projectiles!
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Unread postAuthor: boom_o_matic_2.0 » Mon May 25, 2009 8:50 am

USGF wrote:
boom_o_matic_2.0 wrote:I'd love to have about 50 of these that will fit a 3/4" barrel. I'm trying to use polystyrine and its bein difficult. lol.


Boom, I spy a 20lb bag of LDPE plastic injection feedstock in the shop. Who knows where this leads.


it will probably lead somewhere exciting no doubt.
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100 yard test fire

Unread postAuthor: jagerbond » Sat May 30, 2009 11:22 pm

Sureshot Proprietary UHMW rounds. POV 100 yards from POF.


[youtube]http://www.youtube.com/watch?v=e_wnnSCy13w[/youtube]
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Last edited by jagerbond on Mon Jun 01, 2009 6:05 pm, edited 1 time in total.
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Unread postAuthor: jackssmirkingrevenge » Sat May 30, 2009 11:49 pm

Sounds good but accuracy/damage? I'm guessing if you hit something out to 100 yards then hroup size has improved ;)
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Unread postAuthor: Carlman » Sun May 31, 2009 12:09 am

Thats probobly not gonna draw much interest from the viewing audiance as they cannot see the launcher or target anywhere in the video, nice sounds though.
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Unread postAuthor: MountainousDew » Sun May 31, 2009 12:11 am

That is pretty awesome! I assume the blur I see in the upper left corner is the bullet, am I right?
If so, it looks like it is staying straight and flying really fast.
I'll be ordering some when I finish my gun, no doubt...
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Unread postAuthor: jackssmirkingrevenge » Sun May 31, 2009 12:19 am

Ok, I see it now :)

MountainousDew wrote:That is pretty awesome! I assume the blur I see in the upper left corner is the bullet, am I right?


I hope it is, otherwise they have some pretty fast birds in Hawaii bestowed with the Power Of Coincidence <sup>TM</sup>
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Unread postAuthor: jagerbond » Sun May 31, 2009 3:50 am

Thanks for your responses, yes blur in upper left is the round. Tough to get a good video that encapsulates firing these. From Shooter POV the shot fires, loud too, and as the round is leaving you can see the tail slighty wagging. It is dead on course though and this 520 is a smooth bore. Up til now we've only fired at close range for damage, but this was much more impressive. I think that 3'-6' groups at 100 yards is feasible. We fired our 417 with the UHMW and initially not as successful. Rounds were curving inside of 20'. I believe the muzzle brake (or lack there of) to be the biggest factor... we fired the rounds with the 417 backwards and they were on target. I think the recess was "catching" un-uniform gas blow by upon barrel exit instead of "coasting" straight.

You guys should just come down here and try it out already. There's a beach here too.
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Last edited by jagerbond on Sun May 31, 2009 1:11 pm, edited 2 times in total.
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Unread postAuthor: Technician1002 » Sun May 31, 2009 4:49 am

jagerbond wrote:Thanks for your responses, yes blur in upper left is the round. Tough to get a good video that encapsulates firing these. From Shooter POV the shot fires, loud too, and as the round is leaving you can see the tail slighty wagging. It is dead on course though and this 520 is a smooth bore. Up til now we've only fired at close range for damage, but this was much more impressive. I think that 3'-6' groups at 100 yards is feasible. We fired our 417 with the UHMW and not so successful. Rounds were curving inside of 20'. I believe the muzzle brake (or lack there off) to be the biggest factor... we fired the rounds with the 417 backwards and they were on target. I think the recess was "catching" un-uniform gas blow by upon barrel exit instead of "coasting" straight.

You guys should just come down here and try it out already. There's a beach here too.

Mike
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I've been there twice before you were in business. :( You are surrounded by beach. I would love to make it out there again. Maybe have a friendly shoot out.. :D
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Unread postAuthor: john bunsenburner » Sun May 31, 2009 5:52 am

Yeah my brother has been wanting to see Hawai for a long time now(he's seen too many movies with hot, half naked dancing chicks) and now I have a reason to go that doesn't involve fishing or diving...Would be cool!
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Unread postAuthor: USGF » Sun May 31, 2009 6:05 am

john bunsenburner wrote:Yeah my brother has been wanting to see Hawai for a long time now(he's seen too many movies with hot, half naked dancing chicks) and now I have a reason to go that doesn't involve fishing or diving...Would be cool!


Darn, Mike and I are stuck in this industrial park. No chicks here, absolutely none naked......

USGF
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Unread postAuthor: dewey-1 » Mon Jun 01, 2009 6:32 pm

USGF wrote:
john bunsenburner wrote:Yeah my brother has been wanting to see Hawai for a long time now(he's seen too many movies with hot, half naked dancing chicks) and now I have a reason to go that doesn't involve fishing or diving...Would be cool!


Darn, Mike and I are stuck in this industrial park. No chicks here, absolutely none naked......

USGF


I think you had better get to hiring some "trade show quality" female production employees as one of your fringe benefits! :D
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Unread postAuthor: john bunsenburner » Tue Jun 02, 2009 9:19 am

Knowing my self holding your guns would be more of a turn on than one of em chicks(depends how much cloths they have one...) :D
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Unread postAuthor: thedeathofall » Tue Jun 02, 2009 10:46 am

I think you had better get to hiring some "trade show quality" female production employees as one of your fringe benefits!


Now aint that the truth... :wink:
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Unread postAuthor: jagerbond » Tue Jun 02, 2009 8:42 pm

jagerbond wrote:Thanks for your responses, yes blur in upper left is the round. Tough to get a good video that encapsulates firing these. From Shooter POV the shot fires, loud too, and as the round is leaving you can see the tail slighty wagging. It is dead on course though and this 520 is a smooth bore. Up til now we've only fired at close range for damage, but this was much more impressive. I think that 3'-6' groups at 100 yards is feasible. We fired our 417 with the UHMW and initially not as successful. Rounds were curving inside of 20'. I believe the muzzle brake (or lack there of) to be the biggest factor... we fired the rounds with the 417 backwards and they were on target. I think the recess was "catching" un-uniform gas blow by upon barrel exit instead of "coasting" straight.

You guys should just come down here and try it out already. There's a beach here too.


We cut some muzzle vents/brakes and the 417 now shoots the same as the 520. I'll post pics later tonight when I leave the shop.
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Unread postAuthor: jagerbond » Wed Jun 03, 2009 4:15 am

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