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Old 11-21-2015, 08:41 AM   #2 (permalink)
Frank Lee
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Join Date: Jan 2008
Location: up north
Posts: 12,761

Blue - '93 Ford Tempo
Last 3: 27.29 mpg (US)

F150 - '94 Ford F150 XLT 4x4
90 day: 18.5 mpg (US)

Sport Coupe - '92 Ford Tempo GL
Last 3: 69.62 mpg (US)

ShWing! - '82 honda gold wing Interstate
90 day: 33.65 mpg (US)

Moon Unit - '98 Mercury Sable LX Wagon
90 day: 21.24 mpg (US)
Thanks: 1,584
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https://www.google.com/search?q=car+...gxBlsQ_AUIBygC

Some use luggage rack crossbars- no holes but not aero.

Some use magnets- no holes and good aero.

Re: x-wind: I was thinking of pivoting the panel from the front edge like a rudder, then perhaps limiting the movement to, say, 45 deg either side, and dampening the swing somehow- rubbery friction washers on the pivot mast and/or bungees or?

You need this:
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