Sailorlite Posted May 23, 2010 Share Posted May 23, 2010 Trip 1 (SoCal looping through No. Nevada, March 2010): 1,600 miles, Cal Sci medium windshield, 42.8 MPG. Trip 2 (SoCal looping through So. Oregon, May 2010): 2,600 miles, stock windshield, 49.4 MPG. Both trips were on my '08 RT 1-up, with similar luggage, similar weather, MIchelin PR2's w. similar pressures, similar state of engine tune. (I did have the 28L topcase mounted for the May ride). I used the trip odometer and gas station receipts for the mileage calculations. My conclusion is that the entire difference in MPG is due to the difference in windshields - a much greater difference than I would have expected. I ride with a full face helmet and custom earplugs (comfortable) so noise or "buffeting" reduction are not very important or even very noticeable to me. I calculate that the "cost" of the Cal Sci is roughly $9 per 1,000 miles - not so much compared to everything else, but, for what? After Trip 1 I thought I'd reinstall the Cal Sci next winter when its protective aspects would be more useful. But now I think I've experimented enough, and the Cal Sci will remain in reserve. (And I'd expect other larger windshields to yield similar results). Link to comment
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