[Land-speed] roof flaps

[Bill Waite]

There is a little more info at this link:
http://entertainment.howstuffworks.com/nascar-safety2.htm
 and you can buy a used one here (no affiliation) if you want a "real life" template:
http://cgi.ebay.com/ebaymotors/Nascar-Roof-Flap_W0QQcmdZViewItemQQ_trksidZp1742Q2em153Q2el1262QQcategoryZ107060QQihZ002QQitemZ120181475709

Bill 


Elon <saltfever at comcast.net> wrote: Benn I have been interested in the same thing. I measured the angle on a
NASCAR car on display. It was 45 degrees to the longitudinal line of the
car.  -Elon 

 

From: "Benn" 

Anyone have a sense of how tricky the design of roof flaps is?  Snip. I
assume they must be positioned exactly right on theroofline to both stay
shut during forward motion and open readily as the yaw angle gets to the
critical point.  Thoughts?
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