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Old 07-20-2024, 10:32 AM   #69 (permalink)
aerohead
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ZEVO 600 'Winter' Cd 1st-approximation

I ran the numbers for the reported 'Winter' performance.
@ 275-miles range:
* 647.27-Wh/mi
* 40,778.18 Wh/hr
* 54.684-bhp-e
* 51.95-hp Road Load
* using same 8.1312-hp rolling-resistance power absorption
* 43.819-hp aero road load
* Plugging into the drag power equation, with Af 69.6024 sq-ft, 92.4 feet/second velocity, air density @ 0.002378 slugs, and solving for Cd.......
* Yields exactly Cd 1.0000 vs Cd 0.2658 'Summer'
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