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Old 10-03-2010, 08:23 PM   #1 (permalink)
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Insane MPG vehicle idea

Basic layout... let me know what you think. Ive thought more into this than this basic post

steel mountain bike frame, stretched/lowered/chopped for very low seating position small frontal area. Using the exposed frontal area for half an oblate spheroid i get 7.7 to 8.7 square feet, seem a bit high? or is there a better way to measure this? also estimate CD at about .40 to .50 for a similar sized motorcycle, any better way of knowing this?

honda mini 4 stroke weedwacker(~1.5 hp) adapted to chain drive on a road bike style multispeed system. Ive adapted MANY weedwacker engines onto bicycles when i was younger, tons of experience doing this

27" carbon fiber wheels (present on my road bike), 150psi slicks. .002 CRR for good bicycle tires. Obviously very variable

aero body, built of thin plastic, foam nose, and balsa wood. possibly fiberglass

inspirational photos

http://www.treehugger.com/amphibious...le-photo01.jpg

http://www.facstaff.bucknell.edu/mvi...ike%20copy.gif

http://images.gizmag.com/gallery_lrg/innova-4.jpg


Last edited by HeadlessNorseman; 10-03-2010 at 10:00 PM..
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Old 10-03-2010, 08:54 PM   #2 (permalink)
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Old 10-03-2010, 08:57 PM   #3 (permalink)
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Quote:
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thanks for the input lol. Being an engineering student stuff runs through my mind like this all day haha
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Old 10-03-2010, 09:26 PM   #4 (permalink)
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Tadpole Trike to reduce sidewind vulnerability
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Old 10-03-2010, 09:41 PM   #5 (permalink)
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I like this idea.
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Old 10-03-2010, 10:53 PM   #6 (permalink)
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There's a lot of considerations in velomobile design. I have some thoughts on it posted at Car Cycle
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Old 10-04-2010, 02:16 AM   #7 (permalink)
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I want to keep it 2 wheeled because of simplicity, and so the cops leave me alone. 3 wheeled vehicle is like a car, 2 wheels i can still register it as a moped and get insurance. or even a scooter if i wanted to go that far
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Old 10-04-2010, 03:17 AM   #8 (permalink)
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fyi trikes aren't cars
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Old 10-04-2010, 09:28 AM   #9 (permalink)
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Quote:
Originally Posted by j.reed View Post
thanks for the input lol. Being an engineering student stuff runs through my mind like this all day haha
I have a degree in Biology and engineering "stuff" runs through my mind all day too....

Quote:
Originally Posted by j.reed
I want to keep it 2 wheeled because of simplicity, and so the cops leave me alone. 3 wheeled vehicle is like a car, 2 wheels i can still register it as a moped and get insurance. or even a scooter if i wanted to go that far
3 wheeled vehicles are considered motorcycles.
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Old 10-04-2010, 09:30 AM   #10 (permalink)
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3 wheels are not a problem legally, and a good idea on a streamliner, which is mightily affected by crosswinds. Only a few brave, skilled, and cautious folk use well streamlined bikes, and they won't go out some days.

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