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Old 10-06-10, 08:51 PM   #1
Wordbiker
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Bar Plugs

I posted this in the Industry forum...but Foo deserves to appreciate this too:

A customer dumped off a totalled Cannondale F-1000 in the hopes I'd give him some shop credit. Thing is, it looked like it was run over by a car...twice. Although there was very few usable parts left, I took it anyway and today when removing the barends noticed this very interesting bar plug substitute:



After prying it out I was amazed:



Yep, that's a live 16GA shotgun shell used as a plug. Heaven forbid you ever crashed and landed on it!
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Old 10-06-10, 08:56 PM   #2
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my first thought when seeing the picture was "WOW! Thats a live primer".........i guess that rednecks live everywhere
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Old 10-06-10, 09:09 PM   #3
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lol i wonder if it would fire out of the other end
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Old 10-06-10, 09:10 PM   #4
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Oh that's funny.
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Old 10-06-10, 09:11 PM   #5
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lol i wonder if it would fire out of the other end
There was one in the other end too.

Now I want to figure out a way to remote detonate and film it to see what happens to the bars.
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Old 10-06-10, 09:30 PM   #6
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Mythbuster's anyone ?
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Old 10-06-10, 09:33 PM   #7
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and here I thought the myth of the idiotic cyclist was just that ... a myth. Apparently not. Did you happen to find any fingers jammed in the handle bars?
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Old 10-06-10, 09:35 PM   #8
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yikes.
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Old 10-06-10, 10:04 PM   #9
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There was one in the other end too.

Now I want to figure out a way to remote detonate and film it to see what happens to the bars.
With the other end plugged up, my guess would be that it would shoot out backwards, and "banana peel" the bar end at the same time. The other side might well become a projectile as well from the pressure, but I doubt it would go off.

The thing is - the case head is not supported, so the brass might just split and become shrapnel. that's where the powder is, and it needs to be in a pressure vessel (barrel or barrel substitute) to send the pressure out the other end.

To set it off and see - how good are you with a quality (10 meter?) air rifle?
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Old 10-06-10, 10:25 PM   #10
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With the other end plugged up, my guess would be that it would shoot out backwards, and "banana peel" the bar end at the same time. The other side might well become a projectile as well from the pressure, but I doubt it would go off.

The thing is - the case head is not supported, so the brass might just split and become shrapnel. that's where the powder is, and it needs to be in a pressure vessel (barrel or barrel substitute) to send the pressure out the other end.

To set it off and see - how good are you with a quality (10 meter?) air rifle?
So...you're saying I should put the bar end back on before detonating the primer? I agree.

The bar is a lightweight CODA Expert flatbar. It appears that the original plugs are pressed deep into the bar (By pounding in the shells? Could be...), blocking a through path. I may remove those first before setting the bike up again (the bike would add a nice visual as well as make a decent stand), building some cover for both myself and the camera (I'm thinking polycarbonate sheet), then using either the Daisy Red Ryder lever action or the Crosman pump BB/pellet rifle at a suitable distance. This could really be fun!
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Old 10-06-10, 10:32 PM   #11
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Make sure to drink a lot before go time.
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Old 10-06-10, 10:39 PM   #12
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Make sure to drink a lot before go time.
I'll use the empty cans for sighting in, then say, "Hey, watch this!"
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Old 10-06-10, 10:46 PM   #13
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Promise you will record this so we all can see?
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Old 10-06-10, 10:50 PM   #14
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Reminds me of the pipe bombs I made as a kid. My bro had a shotgun shell reloader. I'd cut the round end off of a CO2 cartridge and punch the valve out of the other end. Then use model rocket fuse with some "borrowed" gunpowder along with BB's or pebbles with a penny superglued to the cut end. Like little grenades. Those babies scared the beejeebus out of me.
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Old 10-06-10, 10:57 PM   #15
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I'll use the empty cans for sighting in, then say, "Hey, watch this!"
I'd say that covers your due diligence.
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Old 10-06-10, 11:10 PM   #16
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send it to the GA ballistics lab and still in AllenG's back yard.
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Phobias are for irrational fears. Fear of junk ripping badgers is perfectly rational. Those things are nasty.
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Old 10-06-10, 11:10 PM   #17
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Promise you will record this so we all can see?
I certainly do plan to catch this on film.

"Jerry, that's youtube GOLD!"
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Old 10-06-10, 11:46 PM   #18
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So...you're saying I should put the bar end back on before detonating the primer?
Well..... DUH. What would be the point, otherwise? Be sure to put some sort of blast shield in front of the one on the other side, though. If it comes out in a hurry, remember - it's pointed in your direction.
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Old 10-06-10, 11:59 PM   #19
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Well..... DUH. What would be the point, otherwise? Be sure to put some sort of blast shield in front of the one on the other side, though. If it comes out in a hurry, remember - it's pointed in your direction.
I was thinking the other one is a bit redundant for the experiment. The chances of a double detonation are too slim and really wouldn't reflect the reality of showing what would happen if someone did crash with shotgun shells as bar plugs. Yeah, it's completely stupid...but so was using them as plugs in the first place.

A simple plug on the opposing side should be sufficient to generate the pressure needed to explode the bars....if all goes as expected.
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Old 10-07-10, 12:40 AM   #20
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Perhaps it was some sort of forgotten/abandoned zip-gun prototype.
I can't wait for the video.
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Old 10-07-10, 05:50 AM   #21
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by the way , have you got a large,good life insurance policy and am I the benificary?
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Old 10-07-10, 06:33 AM   #22
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I'll use the empty cans for sighting in, then say, "Hey, watch this!"
We should switch usernames.
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Old 10-07-10, 07:42 AM   #23
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I don't know where that bike you took in on trade went Eric. It was here one minute and then it took off like a shot. - spoken by the new powder residue covered wrench at The Hub of Pagosa.
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Phobias are for irrational fears. Fear of junk ripping badgers is perfectly rational. Those things are nasty.
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Old 10-07-10, 08:11 AM   #24
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Was the owner thinking (or not thinking) "Hmmmm...this doesn't seem like such a great idea, but I DO ride on the tops/hoods almost exclusively. It should be fine."
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Old 10-07-10, 09:00 AM   #25
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This just has Wiley E Coyote written all over it.

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