Engine Drivetrain 2nd Gen S Make your own Walnut Shell Carbon Blaster

Discussion in 'Tuning and Performance' started by Metalman, Dec 4, 2012.

  1. Metalman

    Metalman Well-Known Member
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    I had a little time today and did a quick layout of the pressure pot lid. I'll probably fire up the mill this weekend and cut the piece out.

    [​IMG]
     
  2. Crashton

    Crashton Club Coordinator

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    Can you bring that to breakfast & shoot walnuts on our donuts? :donut1:
     
  3. Dave.0

    Dave.0 Helix & RMW Powered
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    This is an awesome project I will follow but am glad I will never need.
    Keep up the great project and pictures MM.


    R53 + Meth = no carbon issue for me.
     
  4. Crashton

    Crashton Club Coordinator

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    R53 + Donut = no carbon issue for me either. :donut1:
     
  5. BlimeyCabrio

    BlimeyCabrio Oscar Goldman of MINIs
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    Yeah, I have a Harbor Freight pressurized blaster, a monster compressor to drive it, and a shop vac... I thought the shop tool had some kind of custom manifold to connect the blaster to the head - no?

    Edit: OK, I just looked at the Wezag tool. Looks like it just has some kind of customer "extraction adapter" - I guess to go on a vac?
     
  6. AnsonIvan

    AnsonIvan Local Shop Owner

    Sep 25, 2012
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    Hey now, this is a family forum! :)
     
  7. Metalman

    Metalman Well-Known Member
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    Here's Paul's Carbon Blaster safety suit.... Always Always Always wear protection...

    [​IMG]
     
  8. Crashton

    Crashton Club Coordinator

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    ^^^ Does that come with its own catch can?
     
  9. Johngo

    Johngo New Member
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    It IS a catch can... :Thumbsup:
     
  10. Jason Montague

    Jason Montague New Member
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    :cornut: Thanks Crashton....................I needed that!:devil::arf::lol: (but I'll NEVER restart that argument:frown2:):lol::lol::lol::lol::Thumbsup:

    Jason
     
  11. Angib

    Angib New Member

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    It's not the same on a car engine, is it?

    I was told that the system for walnut shell blasting the gas turbines in small warships decades ago was to remove the intake grilles (that stop birds, etc going in), run the turbine at idle and then a guy threw the crushed shells from a bin on the side deck into the intake using a shovel.

    Seems easier..... :idea:
     
  12. DneprDave

    DneprDave Well-Known Member
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    At work, we inject walnut shells into the compressor side of the turbochargers with a pressure pot and ship's air pressure daily, about two pounds of walnut shells in around 30 seconds. We do this at full load.

    Monthly, we water wash the exhaust side of the turbos at reduced load until the water comes out of the turbo drains clear.

    These turbochargers are on a 20,000 hp two stroke diesel and they are the size of a MINI. The the rotors turn at 7,000 rpm at full load.

    Dave
     
  13. Metalman

    Metalman Well-Known Member
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    Went down to the shop this morning to make the lid for the Carbon Blaster...

    3/8" CR steel plate 12" x 7"
    Scrap piece to me but valued at approximately..... $9.00 each x 1

    Quick layout transfer...

    [​IMG]

    Finished blank...

    [​IMG]

    Test fit...

    [​IMG]
     
  14. Dave.0

    Dave.0 Helix & RMW Powered
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    It's looking like this is going to be the Best Damn Built walnut blaster ever made.

    Stand back and enjoy everyone. This man is a professional and knows what he is doing.

    Keep up the great work MM.:Thumbsup::Thumbsup:
     
  15. Crashton

    Crashton Club Coordinator

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    Makes me wish I had some carbon to blast. Almost.... :)
     
  16. AliceCooper

    AliceCooper Club Coordinator

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    Impressive ! subscribed
     
  17. Metalman

    Metalman Well-Known Member
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    Thanks Jeff (05r50)

    Yesterday at the MOM donut munch, Jeff handed over the USB endoscope I had asked him to pick up for me since he was getting one as well. I wanted a low cost method to do a visual inspection of the carbon buildup on the intake valves. This is a cheap Chinese USB flexible shaft camera that has 4 small surface mount white led's. Brand name "SuperEyes from fleabay for around $40.00.
    No expensive optics here, but what's needed is the ability to flex around corners and it must have an integrated light source.
    It's somewhat tricky to hold the probe steady, focus and snap the picture all the while balancing the laptop on the engine..... But I think it will serve the purpose....
    Here is the unit in all it's coiled glory...

    [​IMG]

    Here are some sample pics taken inside the valve cover (unfortunately it's very easy to bump up on oily surfaces which then messes with the clarity, which shouldn't be as much of an issue in the intake)....

    [​IMG]
    [​IMG]
     
  18. Crashton

    Crashton Club Coordinator

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    Cool Chuck, your valve springs have racing stripes! Looks nice & clean in there, one can see you are not a 15,000 mile oil changer. :Thumbsup:
     
  19. Minidave

    Minidave Well-Known Member
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    #39 Minidave, Dec 16, 2012
    Last edited by a moderator: Dec 17, 2012
    I have a buddy with a Costco version of that that has a wireless screen and also takes vid, here's what mine looked like - it's a little dark, but I think you'll be able to see what I'm up against. Oh, and pay no attention to the date, he hadn't set up the cam software yet.

    My car still hasn't thrown a code, i'm thinking about unplugging a spark plug wire, that should put in a code for a miss! :D

    [ame]http://www.youtube.com/watch?v=yXchTCkCvZ4[/ame]
     
  20. Metalman

    Metalman Well-Known Member
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    Had a little time this morning and made part of the lid which will have a groove for an "O" ring seal.
    3/8" CR Steel 6" diameter plate.
    Scrap piece to me but valued at approximately $4.00 each x 1

    [​IMG]
     

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