Quote:
Originally Posted by Otto
Did I read correctly in thinking that 80 degree taper = 80 degree angle from the vertical tail section, or 10 degree diversion from horizontal?
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I guess so, 90 degree would be level, so 80 degree would be 10 degree off from level position, that is how it seems to be when comparing pictures on that document as 70 degrees is much more steeper angle, meaning it is 20 degrees off from horizontal.
edit:
For 1.33m height, one after body would be 0.1064m long so two would be 0.2128m long, which would then need to be angled to 10 degrees angle downwards from trailing edge. That sounds horribly lot what I had in my car last summer and would explain my fuel economy gains a bit, even I did not have full height sides or bottom in there, also it means that there is lot more to be gained.