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TECH: Butter Dish Air Scoops for Drum Brakes

Discussion in 'The Hokey Ass Message Board' started by good_ol_boy, Oct 2, 2008.

  1. I've always liked the way air scoops look on drilled backing plates... I figured I'd try to make my own, instead of buying some nice spendy ones.

    I spotted these stainless butter dishes at Target, and immediately thought it was something I could work with...
    Here's what I did with a $10 butter dish and a few hours of labor...
    [​IMG]

    Just what I thought... this will fit great... These are Wilson Welding's "Lincoln" backing plates.
    [​IMG]

    First I cut it in half, and then trimmed it to shape...
    [​IMG]

    Then I cut a piece out of the bottom tray to fill in the back...
    [​IMG]

    Sorry guys, you're gonna need a TIG for this one...
    I welded the filler piece in first... smoothed it all out, then drilled some holes for air flow... the smaller holes are for rivets, to fasten it to the backing plate...
    [​IMG]

    Drilled the backing plate to match...
    [​IMG]


    The scoop looked really cheap with the front wide open... so next, I cut a piece and filled the front in. I couldn't decide if I was going to drill holes or cut slots or what. I drilled the front full of staggered holes, but it didn't look right... so ended up cutting it out to this shape...
    [​IMG]

    I figured I'd better sandwich this screen under the scoop, to keep rocks and crap out...
    [​IMG]

    Here's a shot of it riveted to the backing plate-
    [​IMG]

    Here's some quick mock up shots of what it looks like on there...
    [​IMG]

    [​IMG]

    [​IMG]

    Still have some detail filing to do and I'll probably polish them up, once I start assembling everything... after paint and all that. Unless I come up with something else.
     
  2. Hoptup Jalop
    Joined: Sep 29, 2004
    Posts: 1,118

    Hoptup Jalop
    Member

    there ya go!! thats a great tech! good job!
     
  3. SinisterCustom
    Joined: Feb 18, 2004
    Posts: 8,277

    SinisterCustom
    Member

    THAT is fuckin' RAD!
     
  4. VNTGE41
    Joined: Mar 4, 2007
    Posts: 739

    VNTGE41
    Member
    from l.a.

    nice tech!good work
     
  5. Damn, I was hoping for something easy, this is beyond my skill level. I wonder how it would look if the edge of the crown, instead of flat, followed the radius of the backing plate, like the part with the screen? Probably hard to get it to match.
     
  6. 57JoeFoMoPar
    Joined: Sep 14, 2004
    Posts: 6,225

    57JoeFoMoPar
    Member

    way cool, and very resourceful. Outstanding
     
  7. Nads
    Joined: Mar 5, 2001
    Posts: 11,862

    Nads
    Member
    from Hypocrisy

    Clever bugger!!!!!
     
    kidcampbell71 likes this.
  8. 327-365hp
    Joined: Feb 5, 2006
    Posts: 5,431

    327-365hp
    Member
    from Mass

    I better get to Target before the rest of you buy em up. Cool idea man, looks great. I'm gonna cut slots in the fronts of mine.
     
  9. I think it's just the angle of those pics. I tried to make it match the curve. I just beagle-eyed it though, so it could be off.
    [​IMG]
     
  10. Looks perfect in that shot.
     
  11. Very nice!
     
  12. Dreddybear
    Joined: Mar 31, 2007
    Posts: 6,094

    Dreddybear
    Member

    I agree. Totally fuckin' rad!
     
  13. James Boys
    Joined: May 13, 2006
    Posts: 174

    James Boys
    Member
    from London ONT

    THAT is ingenuity! Awesome....
     
  14. Ultra sano and thats thinkin outside the box. Well done !!

    Rat
     
  15. 49ratfink
    Joined: Feb 8, 2004
    Posts: 18,959

    49ratfink
    Member
    from California

    just be sure you don't get any butter on your brake shoes.
     
  16. wow this is badass! killer tech post, nice craftsmanship and what a freakin mad idea! im diggin it
     
  17. Twisted Minis
    Joined: Jul 24, 2006
    Posts: 233

    Twisted Minis
    Member

    I'm going to Target!
     
  18. irondoctor
    Joined: Jan 7, 2007
    Posts: 568

    irondoctor
    Member
    from Newton, KS

    Great idea... I'm gonna sneak our butter dish out to the shop when she aint lookin
     
  19. mike54
    Joined: Sep 22, 2008
    Posts: 17

    mike54
    Member
    from California

    Well done. So when some body looks back there and says "cool air scoops" are you going to nod and say "thank you" or are you going to say "Actually they started as a butter dish."
     
  20. Thanks for the positive comments guys.

    They're very easy to weld together. I just set my tig at 28 amps, no filler needed for the bottom... the front might need a little... just cut really thin strips from the left over base part with some snips, and use that for filler. I really only needed filler in one corner, where I cut it back a little too far. It blends perfect when you file it, can't see a seam at all.

    I also recommend that you drill the back before you weld it... because it's hard as hell to drill it after it's together. I learned the hard way on the first one. I chewed up a couple bits drilling that stainless.
     
  21. floored
    Joined: Apr 11, 2007
    Posts: 470

    floored
    Member

    That is too cool, one question though did you break into a cold sweat when you drilled the holes in the backing plates?
     
  22. HHRdave
    Joined: Jul 31, 2006
    Posts: 1,068

    HHRdave
    BANNED
    from So Cal

    Great tech post ! I'm just wondering why you didn't cut the scoops long ways and mount them like this:??? (for better cooling)

    [​IMG]
     
  23. panic
    Joined: Jan 3, 2004
    Posts: 1,450

    panic

    What's missing?
    The air can't get out.
    You need an exit with area at least as large as the entry, preferably into a low-pressure location. It should also be as far away from the entry as possible so the air flushes through and carries away heat.
     

    Attached Files:

  24. Royalshifter
    Joined: May 29, 2005
    Posts: 15,580

    Royalshifter
    Moderator
    from California

    Very cool...now all we need is a firewall recess made from a WOK!!!!!
     
  25. Gambino_Kustoms
    Joined: Oct 14, 2005
    Posts: 6,561

    Gambino_Kustoms
    Alliance Vendor

    nice job you rule
     
  26. panic
    Joined: Jan 3, 2004
    Posts: 1,450

    panic

    There are also lots of interesting shapes in stainless and cast aluminum cookware to be found at flea markets with stains, minor cosmetic damage (that scares people away from making food in them), priced just above the scrap rate.
     
  27. valkokir
    Joined: Oct 25, 2007
    Posts: 196

    valkokir
    Member
    from DeKalb, IL

    Nice work! I've got a set of cast aluminum easter egg shaped cake molds in my stash I picked up for doing the same some day.
     
  28. fiat128
    Joined: Jun 26, 2006
    Posts: 1,426

    fiat128
    Member
    from El Paso TX

    That's cool. I can imagine the marketing dept at Target scratching their heads over all the tattooed guys coming in buying up all the butter dishes.

    PS: I like the Sears tires too (puts an image in my head of some hot rodder waiting in line behind all the Fred McMurray types driving station wagons to get tires on his car), are they still selling those or is it something from a place like Coker?
     
  29. Strange Agent
    Joined: Sep 29, 2008
    Posts: 2,879

    Strange Agent
    Member
    from Ponder, TX

    Dude! That is freaking tight! It goes to show what you can do with a little ingenuity. That is really cool, man.
     
  30. 54BOMB
    Joined: Oct 23, 2004
    Posts: 2,109

    54BOMB
    Member

    Good work, I like the small scoop idea, if you found a smaller dish you could put a little exit scoop on the other side, seen that before and it looks great.
     

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