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  1. #31
    Join Date
    Dec 2007
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    Los Angeles
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    2,817

    Default

    Quote Originally Posted by turbo38t View Post
    Please read the above posts . Dave
    dave,

    You still have not answered WHY you can not leave the tube open.

    If you have to have the tube boxed/capped, I doubt you are going to find any cheaper AND good way to do it other than welding it up like you did with the Diamond Plate.
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  2. #32

    Default

    laser cut a blank that can be press fit in the end. use a heavy interference fit.

  3. #33
    Join Date
    Oct 2006
    Location
    Mpls, MN
    Posts
    1,790

    Default

    You made a hundred of these 6 months back, and now you've got R&D problems?

    http://millerwelds.com/resources/com...ad.php?t=12636

    Just water jet the caps and add another $100 per unit. Heck, it's only taxpayer money anyways right?
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  4. #34
    turbo38t Guest

    Default

    Yes I did. Still in the testing stage. Are you the negative one from the last time around? If you are your pessimistic attitude/opinion isn't really needed as you were just a &*^% stirrer....the ends are not left open because the company wants them closed for cosmetic reasons. Dave
    Quote Originally Posted by Fishy Jim View Post
    You made a hundred of these 6 months back, and now you've got R&D problems?

    http://millerwelds.com/resources/com...ad.php?t=12636

    Just water jet the caps and add another $100 per unit. Heck, it's only taxpayer money anyways right?

  5. #35
    Join Date
    Sep 2005
    Location
    northern NJ
    Posts
    1,794

    Default

    I'm not trying to beat a dead horse here but if you used 1/8 steel diamond plate it would add about $8.25 retail or about 1/2 that your cost to the unit. 1 sheet 4x8 @ .85 pound = $140 & you"ll get 288 pcs from it. That's 50 cents each cost or 75 cents retail. Total time including shearing & welding would be 5 minutes (in quantity less time)tops @ $90 per hour = $7.50 I just don't see any other way to make it "bullet proof" besides welding on a cap. I really hope you can find an alternative but I can't come up with one that is cheaper & solid.
    Last edited by MMW; 11-10-2008 at 03:44 PM.
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  6. #36
    Join Date
    Mar 2008
    Posts
    27

    Default uhmw

    you could make a plug out of uhmw black not the white which is really shock asorbent then take nascar pop rivits and put it in place then have it power coated job done
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  7. #37
    Join Date
    Jan 2008
    Location
    Colorado
    Posts
    673

    Smile

    the ends are not left open because the company wants them closed for cosmetic reasons.

    IMHO:
    It's for a SWAT team, they're carrying guns and wearing bullet proof vests. They do their job in a HIGH stress environment. What do they care about cosmetics? I sounds like the politicians have their finger in this and want it PRETTY.

    I'll bet the ones asking for the cap, didn't ask the guys using it, if it needs to be capped.
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  8. #38
    turbo38t Guest

    Default

    LOL......that's funny. And to the other guy.....it may be for a SWAT tea, but it still has to be cosmetically appealling for the most part. Nobody, and I mean NOBODY wants somethin ugly....LOL
    Quote Originally Posted by The Breeze View Post
    you could make a plug out of uhmw black not the white which is really shock asorbent then take nascar pop rivits and put it in place then have it power coated job done

  9. #39
    Join Date
    May 2008
    Location
    Belle Plaine Iowa
    Posts
    270

    Default

    Why dont you just use a nice thick piece of steel like whats on the other end? I realize that the business end has a pry tool on it but why not just have a piece of flat stock welded on the same way. It would add a bit a weight but not so much as filling the tube with shot...
    Who do you call when the lawmakers ignore the law?

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  10. #40
    Join Date
    Oct 2006
    Location
    Mpls, MN
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    1,790

    Default

    At the risk of helping this guy, it would be a poor decision to add excess mass so far away from the working end of the ram. Since straight thrusting (traditional battering) isn't the tools primary objective (as indicated by the swiss army knife-esque video), the addition of mass so far away from the working end, will not benefit the tools function, but will increase the fatigue on the troop carrying it.

    There's a reason maul hammers don't have heavy handles - the added mass is in the wrong spot.

    Were it just a traditional battering ram, the mass wouldn't matter where it was located.

    Something else to consider with this things design is that the actual force changes with acceleration, just as much as it does with mass. Look at ballistics of bullets. You can get the same ft-lbs out of a smaller bullet at a higher speed. It's easier for a man to accelerate a lighter object than a heavy one (baseball bats would be a prime example). Maybe your research should be focused on the practical effects of being able to swing a lighter boot - oops, you already made 100 heavy ones.
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