Posted 4/11/2007 22:26 (#134946 - in reply to #134868) Subject: RE: Design question. Math formula type.
The reduction would be pretty small until a minimum of 15 degrees from verticle, then it decreases quickly. I would do as suggested above and bolt on plexiglass with silicon sealer. By the way 15 degrees would give about 25% reduction in pressure. Use the sine of the angle to figure % reduction.