Engine Drivetrain 2nd Gen S Most liked posts in thread: Make your own Walnut Shell Carbon Blaster

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  1. Metalman

    Metalman Well-Known Member
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    #43 Metalman, Dec 18, 2012
    Been searching the web for a two stage blast gun but to no avail.... I really like the one they include in the BMW kit... Pretty sweet how it switches from air to blast media with valve control in the gun itself.... All along I've realized the construction of the tank will be the easy part...

    There doesn't seem to be much selection when it comes to blast guns...
    I may need to control the media at the gun with a switch operating a solenoid valve that starts and stops the flow of walnut chips..... But this could be easier said than done....
    Wish I could get my hands on the one they use....
     
  2. 05r50

    05r50 Well-Known Member

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    #47 05r50, Dec 19, 2012
    I know NUTH_THING!! I see NUTH-THING!! :cornut:
     
  3. Minidave

    Minidave Well-Known Member
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    #48 Minidave, Dec 20, 2012
    What are the three allen screws in the top for?
     
  4. Metalman

    Metalman Well-Known Member
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    #49 Metalman, Dec 20, 2012
    The lid is made from two plates 3/8" thick. I didn't want to weld the two together so I bolted them to eliminate heat distortion from welding. There is a 1/4" groove on the outside edge of the smaller disc that holds the O-ring that forms the seal with the rim of the tank...
     
  5. Metalman

    Metalman Well-Known Member
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    #50 Metalman, Dec 20, 2012
    Still having no success finding the 2 stage media blast gun.... Wish there was some way to purchase that exact same gun....
     
  6. Mr. Jim

    Mr. Jim Mudshark
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    #52 Mr. Jim, Jan 19, 2013
    Don't they roll off when you take off?
     
  7. Metalman

    Metalman Well-Known Member
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    #54 Metalman, Jan 19, 2013
    Walnut blasting media is considered a consumable item....

    I have a supply on hand... Err "on head"...:D
     
  8. Minidave

    Minidave Well-Known Member
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    #55 Minidave, Jan 19, 2013
    Ha!

    I still haven't used mine, I guess I keep hoping it will throw a code and I can get the dealer to do it for me under warranty, but I'm down to the last few weeks on that.

    School has resumed and now that I have access to the shop again next week I may go ahead and try the Motorvac to see how it does, at least I'll learn something about it.
     
  9. Metalman

    Metalman Well-Known Member
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    #56 Metalman, Jan 19, 2013
    Apparently the indicator to look for is knock or super knock.... Get those codes to store for you and you have a case for a cleaning under warranty....

    At this point I'm not worried about it.... I will soon have a tool to address this....:D
     
  10. Crashton

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    #57 Crashton, Jan 19, 2013
    Topical walnut treatment. Simply brilliant! :Thumbsup:
     
  11. eMINIparts

    eMINIparts Well-Known Member
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    #58 eMINIparts, Jan 21, 2013
    Now what happens if you get a squirrel infestation?
     
  12. Nathan

    Nathan Founder

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    #61 Nathan, Feb 1, 2013
    Saw this today, looks like a torpedo or dare I say....pipe bomb.

    Hello NSA :wink:
     
  13. Minidave

    Minidave Well-Known Member
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    #62 Minidave, Feb 1, 2013
    Those holes will work perfectly for mounting legs to the baseplate.....coming together isn't it?
     
  14. Metalman

    Metalman Well-Known Member
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    #63 Metalman, Feb 1, 2013
    Last edited: Feb 1, 2013
    Cripes.... Don't be sayin that....:blush2:
     
  15. Metalman

    Metalman Well-Known Member
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    #64 Metalman, Feb 1, 2013
    The small holes will get some rubber button feet...
    Something like this...
    [​IMG]


    The large 3" hole is conveniently placed for access to the coupling fitting....

    These holes were already in the plate.... Win - Win...
     
  16. Justa Jim

    Justa Jim Well-Known Member
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    #65 Justa Jim, Feb 1, 2013
    That looks like part of the drive system Captain Nemo used on the Nautilus, in 20000 Leagues Under The Sea. :D

    Jim
     
  17. Crashton

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    #67 Crashton, Feb 1, 2013
    Walnut espresso FTW. :D
     
  18. Minidave

    Minidave Well-Known Member
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    #68 Minidave, Feb 1, 2013
    Based on the length of the fittings on the bottom, and the need for a 90* el yet to be added, you're gonna need some really long rubbers!

    I think you'll need some legs too......

    The legs on mine are almost a foot long.....
     
  19. Metalman

    Metalman Well-Known Member
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    #69 Metalman, Feb 1, 2013
    Yup.....

    Have you used yours yet Dave?
     
  20. Minidave

    Minidave Well-Known Member
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    #70 Minidave, Feb 1, 2013
    Last edited: Feb 3, 2013
    No.....

    I'm 3 weeks from escaping the warranty period and I'm going to try one more time to get the dealer to do it, if that doesn't work I'll fire it up and give it a go.

    One of the things that's been holding me up is my unheated garage, but I took steps to remedy that situation this week too, so sometime in Feb, one way or another.....
     
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