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Old 05-29-2013, 12:12 PM   #111 (permalink)
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what I find interesting is,their is so much loss of power try to overcome air resistance,the body [we always try to keep it light] weight gets a free ride.Anybody else observe that,Craig Vetter mentioned something to the same.Good luck with the project.

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Old 05-29-2013, 03:58 PM   #112 (permalink)
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You are right but it's always a compromise.

Thing is a car is 4 to 7 times the weight of a bike plus rider yet the FE of a car is good compared to that of bike, not even mentionningits ability to carry more stuff and people ...

This means SCx is number one on the list (second comes engine efficiency).
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Old 05-29-2013, 05:58 PM   #113 (permalink)
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another thing to factor in is the frontal area. A sport motorcycle with a Cd of .5 might have a FA of 6sqft making for a CdA of 3 whereas a sedan with a Cd of .3 might have a FA of 25 sq ft for a CdA of 7.5. this is one reason the sport bike has a higher FE potential. even a small cruiser with a Cd of 1.0 would have similar CdA to a typical car.
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Old 05-31-2013, 09:42 AM   #114 (permalink)
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Quote:
Originally Posted by PeterS View Post
I see you've set it up to carry a pillion but if riding alone a light clip on shell to cover the extra gap might be useful?
+1

Rounding off the front edges of that fill-in piece will likely give a small benefit as well and allow smoother airflow after the gap behind the rider's legs. That or filling said gap completely with the fill-in piece.

Quote:
Originally Posted by bschloop View Post
and also I can install full sides. Last year I tried side doors, and they touched my shoulders on both sides. I will have bomb bay doors for my feet, and retain seating for two.
And so it seems you've already got that one covered ;-)
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Last edited by euromodder; 05-31-2013 at 09:46 AM.. Reason: Note to self : Read entire thread before answering ... ;-)
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Old 05-31-2013, 10:18 PM   #115 (permalink)
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Yes, the windshield will need to come to shoulder height. The rear should taper from the passenger's shoulder. Note Alan Smith's addition of the helmet fairing on his newest tail design. As they say in the movies, "Happy wife, happy life."
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Old 06-26-2013, 06:40 PM   #116 (permalink)
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I haven't posted any pics in a while, so here are the ones I have.

mockup of raised tail height, and windshield


cooling fan with shroud B&S style


cooling fan installed


top view
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Old 06-26-2013, 06:56 PM   #117 (permalink)
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Are you going to Ohio?
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Old 06-26-2013, 11:52 PM   #118 (permalink)
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I will be going to ohio. Hopefully with completed bodywork, but I'll be there no matter.
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Old 06-27-2013, 03:02 PM   #119 (permalink)
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I like your style !
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Old 07-14-2013, 11:49 AM   #120 (permalink)
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did some finishing work on the fairing this week, still need to do some tweaking on the cooling, and make a filler piece for the back seat.

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