http://s1187.photobucket.com/user/wg...90050.jpg.html I use a nose fairing in cold weather and moved my bar end grips inboard on my Jamis Aragon city bike. Tires are 700C x 38 with cyclocross tires for winter. Side panels and a tail section will complete the package which should result in a 25% reduction in drag. I do coast down testing to measure improvements. When I get a complete package I will put the drawings on sale.
To make a velomobile practical seat height needs to be 19 inches, same as a passenger car. An electric motor assist option is gaining popularity. Check your state and local laws first. My chain saw motor kit is not legal in NYS but fine in PA six miles away.