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Thread: Totally Ridiculous Air Deflector for Roof Rack

  1. #1
    Join Date
    Jul 2010
    Location
    Central Coast, Calif.
    Posts
    174

    Totally Ridiculous Air Deflector for Roof Rack

    Sorry, I couldn't help myself... After staring at the metal grids prescribing my roof basket-style rack, and also after hearing the wind buzz through it at 40 mph, I thought a slight modification was in order:

    Before:
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    A trip to the lumber yard to score a 1/2 sheet of thin "door skin" allowed me to start figuring out if I could torture it into a shape that might work. I fashioned-up some plywood angle pieces that bolted to the front edge of the rack:
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    And after trying to loft the radius of the RRC roof using a crude set of dividers, I soon figured out that if I just kept the main lower edge straight, I could bend the outside edges into position and that would also make the whole thing follow the RRC's roof crown:
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    The edges were forced inwards by using two stay tensioners found at my local hardware store:
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    Total cost was ~ $ 17
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    We'll see how well the whole thing holds up in a blow.

    --Paul
    '93 LWB, one of many L-R's over the years (GDE bumper w/Warn 8k, Disco axles, RTE 2" springs, Viair)
    1964 88" Truck Cab -- Stolen, then re-appeared locally after 20 yrs
    1966 88" Station Wagon -- Sold
    1967 NADA 109" -- Sold (after I wedged a 300 CID Ford 6 into it)... Help locate! Green 1967 NADA 109
    1990 RRC -- caught fire while wife driving solo... Good times!

  2. #2
    Join Date
    Jul 2010
    Location
    Central Coast, Calif.
    Posts
    174
    Trip report:

    After running this on my roof for ~ 600 miles, on highways and through the woods, it works quite well... Many have accused me of trying to smuggle a snowboard. The air noise is totally eliminated, and gas mileage is certainly improved, although I don't know to what extent.

    --Paul
    '93 LWB, one of many L-R's over the years (GDE bumper w/Warn 8k, Disco axles, RTE 2" springs, Viair)
    1964 88" Truck Cab -- Stolen, then re-appeared locally after 20 yrs
    1966 88" Station Wagon -- Sold
    1967 NADA 109" -- Sold (after I wedged a 300 CID Ford 6 into it)... Help locate! Green 1967 NADA 109
    1990 RRC -- caught fire while wife driving solo... Good times!

  3. #3
    Join Date
    Jan 2010
    Location
    SF Peninsula
    Posts
    40
    #Burton. 😊
    =====================
    Original Owner of "Ol' Man Disco"
    1996 Discovery Series I 5sp (103+k) Mostly stock with a few creature comforts. Hella 550's up top, 3k on a bumper mount, Kenwood HAM, ... Lots of ideas, limited execution...

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