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Old 06-11-2010, 12:46 PM   #1 (permalink)
The Toecutter
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Join Date: May 2010
Location: Ghettoville, USA
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Rebellion - '16 KMX Framekit Custom electric velomobile
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Triumph GT6 planned aeromods

I have an EV conversion in progress, and in order to maximize its range, I will be making extensive use of aerodynamic modifications.

My goal, which is to achieve 100 miles range on lead acid batteries at 60 mph to 100% DoD, will not be possible unless I get Cd at or below 0.25.

I have made two drawings, both drawn to scale, one of the GT6 stock, and another with the proposed aerodynamic modifications. On the aeromodded version, I included a dorsal ridge for stability; I'm intent on exceeding 130 mph in this car and I'm not keen on the idea of a stray gust knocking me off course.

Does the Kamm-back appear to be the correct angle? Any concerns? I want to make sure I get this right before I start drilling holes into the body to mount this(I will have cardboard mockups tuft tested once the car is registered and road legal, before making the fiberglass pieces).

Stock GT6 Mk II:

Aeromodded GT6 Mk II:

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