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Old 08-27-2013, 10:07 PM   #26 (permalink)
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The overall final drive (3.15) works out to the theoretical top speed of 83 MPH. Peak torque at 2500 RPM will be 55-60 MPH in 5th gear. First gear at max (3600) RPM works out to right at 22-24 MPH, according to my calculations.

At max power the fuel consumption is .5 GPH (180 grams per shaft HP per hour=about 33-34% efficiency). At peak torque it's probably 60% of that amount, so if I can get peak torque to sustain 55 MPH the mileage should be pushing 200MPG if it will maintain 55 MPH at 60% of peak consumption.

Double that if electric, and no need for a speed controller, with the hydraulic setup.

regards
Mech
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