half tonneau length
Has anyone tested various half tonneau lengths? Maybe also on various bed lengths? Or does half of any bed length seem to be perfect?
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Find out where the template would touch the bed rails- that'd be a good starting place for the leading edge of a half tonneau. If you need it farther back to give more bed access, try experimenting, but I'd start with the template coming down from the cab roof.
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I think I saw a template on my truck and it may have not come down inside the bed. I've got a ranger with a 6' bed
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I don't think the Template will do it.
What your looking for is a rolling cylinder of air in the bed. It may have more to do with the distance from the bed floor to the top of the cab. |
I figured the tonneau would make the bed floor moot.
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For a full tonneau, sure. The question is a half-tonneau.
Maybe a curved mid-wall? |
various lengths
Quote:
*Any coverage,of any length provides a drag reduction. *The drag minimum occurs at 50% (half) coverage (back half). *They tested on a C-10 1/2-ton. *The half tonneau gave a 8% drag reduction. *The full-tonneau gave a 5.6% reduction. *The 1/2-tonneau with forward bulkhead had 12.8% higher drag. *And the 1/2-tonneau cut rear lift by 30%. -------------------------------------------------------------------------- In 1988,Texas Tech investigated the tonneau and also advocated the 1/2-tonneau. If you need numbers for various bed lengths you're on your own. |
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Thanks for the info. Google kept giving me links to half tonneau covers to cover the rear seats of old convertibles.
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That's why we're here. We keep chanting the Old Wisdom in the hope of keeping it alive.
It seems like it could be workable — butterfly opening hatches on the half tonneau and the 'mud room' area ahead of that could be waterproof so you could use it for a bath tub. |
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