Thread: Is it still Ecomodding if you drive 85?
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Old 04-18-2021, 03:45 PM   #9 (permalink)
COcyclist
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Join Date: Dec 2007
Location: NW Colo
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TDi - '04 VW Golf
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Quote:
Originally Posted by Autobahnschleicher View Post
Fuel efficiency at higher speeds is mostly aerodynamics and gearing.
Rolling resistance (in W) grows proportional to speed, aerodynamic drag by cube.
Unfortunately we only got the 5 speed in the Mk IV here. I will keep everyone posted as I go.

I have a ScanGuage II and will report back.

Thanks for the link to the rooftop camper freebeard. Perhaps my dismal economy at speed will motivate me to do something about the wake in the future.
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https://ecomodder.com/forum/showthre...tml#post621801


Quote:
Originally Posted by freebeard View Post
The power needed to push an object through a fluid increases as the cube of the velocity. Mechanical friction increases as the square, so increasing speed requires progressively more power.
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