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Old 03-10-2010, 02:15 PM   #138 (permalink)
jime57
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Quote:
Originally Posted by RobertSmalls View Post
The bottom of the transom will be 18" off the ground, and 77" behind the rear wheel center. That gives a departure angle of 13°. Will that be sufficient?
Robert,

I think you are going to have a problem with clearance. I did a few quick back of the envelop calculations. If the back of the boattail is 18" off the ground and extends 77", then a road dip of a mere 9.9 inches in 14 feet is going to cause the tail to drag. There are lots of dips at intersections and curbs which are this great, particularly in older cities.

This is one of the things which has slowed me down a bit on the boattail question. Gotta be able to drive the thing on the street! I'm still interested in doing something, but I want something shorter or find a way to get the tail higher or both
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