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[QUOTE=Jon;22325]
They used to project slides of mounted wings onto a wall and measure the angles with a thing called the 'bibba fan'.
Actually a Herold fan - not invented by BIBBA. See: http://website.lineone.net/~dave.cus...asurement.html
Our chairman jokes that he has a bald spot because of the hours spent in front of a high powered projector measuring wings by this method.
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