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  1. #21
    Join Date
    Sep 2005
    Location
    northern NJ
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    1,854

    Default

    You better get it on the market soon because someone else will outsource it to china & under cut your price big time. Something like this you need to make your money quickly because once it starts selling other people will make copies for less & flood the market. They change it slightly & it doesn't matter if you have a patent or not. We used to prototype exercise machines for a guy & then he would take it to china to have them made. Made, powder coated, boxed, shipped to US & delivered to the warehouse for the same price as we could buy the material.
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  2. #22

    Default A diiferent approach?.

    Quote Originally Posted by turbo38t View Post
    Here you go....the open end is where the cap is needed.
    What if when starting with the bare main tube,you sliced a piece of it
    off, welded it inside and out, and then re-attached it by butt-welding
    it back on.
    Your thick handle would then cross brace the kinetic energy force pattern.
    the only issue that would be tricky is if you were filling the tube with
    lead or steel shot, like a Dead-Blow hammer(more energy forward on impact).
    Still, you could drill a small hole for that later.

  3. #23
    turbo38t Guest

    Default

    The weight is seon the ram. It is a tool that eliminates all of what a swat member carries so that's not too adjustable. Dave
    Quote Originally Posted by Orbitalgrind View Post
    What if when starting with the bare main tube,you sliced a piece of it
    off, welded it inside and out, and then re-attached it by butt-welding
    it back on.
    Your thick handle would then cross brace the kinetic energy force pattern.
    the only issue that would be tricky is if you were filling the tube with
    lead or steel shot, like a Dead-Blow hammer(more energy forward on impact).
    Still, you could drill a small hole for that later.

  4. #24
    Join Date
    Dec 2007
    Location
    Los Angeles
    Posts
    2,876

    Default

    Quote Originally Posted by MMW View Post
    Why can't you just leave it open? I'm thinking it's only for cosmetic reasons that you want it capped or is there some specific reason it can't be left open.
    yeah, what he said.


    Powder coat that sucker and call it a day. Problem solved with no additional expense.
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  5. #25

    Default

    Quote Originally Posted by turbo38t View Post
    The weight is seon the ram. It is a tool that eliminates all of what a swat member carries so that's not too adjustable. Dave
    If the plastic cap is your final answer, how about filling the inside of the cap with Duramix#4247(now 3M product),it's what the car dealers fix front plastic bumpers with.

  6. #26
    Join Date
    Sep 2005
    Location
    S.W. Pennsylvania
    Posts
    2,250

    Default

    I googled steel tube caps and came up with these, they appear to be cast iron though and probably would not hold up to the vibration. You would also still be burdoned with welding them on. I kind of like the idea of leaving them open, but then again, I'm not the customer.

    http://www.sfsupplies.com/default.sfs?productid=1467

    Maybe you could design a holder for mounting the unit that would use the open end so it looks like the end is left open for a reason.
    To all who contribute to this board.
    My sincere thanks , Pete.

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  7. #27
    Join Date
    Nov 2008
    Location
    New Hampshire
    Posts
    29

    Default

    Do you have access to a press brake? maybe you could bend up two seporate channels and fit them together to make the box shape? if you plan to outsource any work you may want to consider using bent shapes instead of mechanical tubing, at least where i'm at the price of the plate would be cheaper than buying the tube... maybe i'm rambling
    Kelly

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  8. #28
    turbo38t Guest

    Default

    What about the price of ur labor to bend the plate up and weld it etc? Do you guys see the open end of the 4" tube? That's all we need to figure out. All these other things seem like twice the work of anything I'v e already done. Was just looking for a more productive, cost effective and reliable way to cap the end of a 4" tube. Not reengineer the whole deal. Dave
    Quote Originally Posted by pyro2 View Post
    Do you have access to a press brake? maybe you could bend up two seporate channels and fit them together to make the box shape? if you plan to outsource any work you may want to consider using bent shapes instead of mechanical tubing, at least where i'm at the price of the plate would be cheaper than buying the tube... maybe i'm rambling

  9. #29
    Join Date
    Nov 2008
    Location
    New Hampshire
    Posts
    29

    Default

    sorry... why dont you buy some 4" flatbar and cut squares off and weld them on?
    Kelly

    Trailblazer 301D
    2 XMT 304's
    Dynasty 300 Tigrunner
    Spectrum 2050
    XR with ALUMA-PRO
    12RC suitcase
    Millermatic 251
    60a feeder
    Ellis 1600
    Bridgeport
    16" southbend
    Too many Hand tools...

  10. #30
    turbo38t Guest

    Default

    Please read the above posts . Dave
    Quote Originally Posted by pyro2 View Post
    sorry... why dont you buy some 4" flatbar and cut squares off and weld them on?

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