Don Sherman Wrote:
Let's say the wing is pushing down, the decklid is lifting up.  
The net effect--a force of some magnitude in some direction will
be reflected in the reading on the bathroom scales.  Who cares if it's 
the wing or the lid that causes the loading change?  And
like I said before, testing with and without the wing reveals 
its contribution.

Czech out this rotary engine for your newsletter  http://www.milparts.net/radmax
according to Ward's it's undergoing Naval Air Systems Command evaluation.  ds

But suppose the deck lid is also pushing down due to a low pressure in the
trunk? The air is being sucked out of the trunk because of the gap
between the trunk lid and the the body. The deck lid is now lifting 
the floor of the trunk up :) This is in fact the case as the RX8 has
a small positive lift on the back. From the Yamaguchi Dinkel book "RX8" it
is stated to be .07 as I recall.

Paul Lamar
 
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