

| Subject: | Re: NOVC Comment on fuel economy, drag and velocity |
| From: | Chad Lyles |
| Date: | Thu, 24 Jan 2008 13:33:59 -0800 |
wow~ you went over 88mph and you didnt go back in time??? your flux capacitor must have been malfunctioning! "McFLY!!!!" just kidding;) whats it like traveling roughly 1/10th the speed of sound? my vanagon only (safely) travels at 55mph... must be nice :) cheers! Chad~ 84GL On Jan 23, 2008 1:36 PM, Frank Grunthaner <FrankGRUN@aol.com> wrote: > This past weekend, SWMBO and I delivered my daughter's 21-speed full > suspension mountain bike (XMAS present) to her at her Humboldt State > University > address from southern California. It was mounted to the trunk with a > strap-based > temporary carrier. The Vehicle in question is our 2005 BMW 330i with > performance > package. Average velocity along interstate 5 was 80.6 mph as reported by > the > computer and BMW nav system, with a high speed of 95 and a low of 44. Trip > fuel > economy from SoCal to Arcata was 19.8 mpg of premium at $3.76 per gallon > average. Trip economy for the return venture was 28.4 mpg with an average > speed of > 82.3 mph. Same tires, same roads, no attempt to resolve net height > variations, temperature differences, precipitation levels. Probable weight > delta of 22 > pounds less for the return trip given the removal of bike and carrier, but > addition of arctic temperature clothing. > > Take Home Lesson: 30% fuel economy loss at average speed of 80 mph with > mountain bike perpendicular to direction of propagation. Not a lot of > surface area. > Large effect. > > For your amusement and perusal. > > Frank Grunthaner > > > ************** > Start the year off right. Easy ways to stay in > shape. > > http://body.aol.com/fitness/winter-exercise?NCID=aolcmp00300000002489 > -- Chad~ 84gl "Hop-a-long"
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