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Old 04-13-2014, 05:14 PM   #1 (permalink)
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Trailer Hitch Aero

We have a '95 Civic sedan that we use as a family car-- we have some road trips planned in the not-super distant future (next 6-18 months), and I want some more cargo space. I initially wanted a cartop carrier, but after reading here and thinking about practicality, I think I'd rather have a hitch-mounted cargo box/rack.

If I make one so that it's more or less aerodynamic, will it still hurt mileage (beyond the added weight, I mean)? Will it function as a kammback/boattail, even if it's only level with the trunk and not flow-optimized off of the roofline?

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Old 04-13-2014, 06:07 PM   #2 (permalink)
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If you keep it out of the wind , tucked behind the body top bottom and sides a few inches you will minimize drag
Rain & Dust gets into everything you will have to make the box impervious to it.
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Old 04-13-2014, 07:11 PM   #3 (permalink)
Should I turn here...?
 
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Good to know about weatherproofing. I'm mainly thinking of somewhere to put a cooler/tent, so minimal dust would be okay, but I definitely would want a water-proof box-- so might as well find/make one that keeps both out.
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Old 04-13-2014, 07:29 PM   #4 (permalink)
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Have you seen this thread?

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Old 04-13-2014, 08:48 PM   #5 (permalink)
Should I turn here...?
 
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I hadn't seen that thread. That's pretty much exactly what I want to do. Thank you!

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