Patent ID: 8201776
Filing Date: 2012-06-19
Classification: A63H

Abstract:
1. An airfoil comprising: a first foam portion for forming a first surface of the airfoil; a second foam portion for forming a second surface of the airfoil, the second foam portion and the first foam portion together defining a leading edge, a trailing edge, a first end, and a second end of the airfoil; a front spar positioned between the first foam portion and the second foam portion, the front spar at least generally extending proximal to and along the leading edge of the airfoil; a rear spar positioned between the first foam portion and the second foam portion, the rear spar at least generally extending proximal to and along the trailing edge of the airfoil; and a center spar assembly positioned between the first foam portion and the second foam portion, the center spar assembly located between the front spar and the rear spar, the center spar assembly comprising: