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Old 05-03-2012, 11:04 AM   #20 (permalink)
COcyclist
Aero Wannabe
 
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Join Date: Dec 2007
Location: NW Colo
Posts: 738

TDi - '04 VW Golf
TEAM VW AUDI Group
90 day: 52.55 mpg (US)
Thanks: 705
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Quote:
Originally Posted by mcrews View Post
I ended up with 25.2 mpg for 2024 miles.
THat was accomplished w/:
1. 800lbs
2. went the speed limit the entire trip (75 at some points)
3. Bike and weight bench outside car
4. Kammback
5. head winds & crosswinds
Going the speed limit and still getting those numbers sounds like quite an accomplishment to me. I believe it would have been much worse with that load and no Kammback. I was amazed how my mileage dived from just passengers and a bike on the back of my hatchback.
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60 mpg hwy highest, 50+mpg lifetime
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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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