Interpretation ID: nht93-7.42

DATE: October 27, 1993

FROM: Larry R. Lynch -- General Manager, AT&D Corporation

TO: John Womack -- Acting Chief Counsel, NHTSA

TITLE: None

ATTACHMT: Attached to letter dated 3/10/94 from John Womack to Larry R. Lynch (A42; Std. 121)

TEXT:

I have enclosed data describing a new product developed by our Company for the trucking industry. I am requesting that you peruse the information about the product and advise us as to how the current safety standard might be applicable.

Our product has been named the AeroCon System. It was developed from the original concept of typical air deflectors seen on most tractor trailer vehicles. The AeroCon could be referred to as an atypical air deflector/fairing. It incorporates aerodynamic principles to create a stable slipstream and provide aerodynamic braking to the vehicle. By opening doors on the fairing unit, the full force of the relative wind speed is redirected to strike the trailer face, greatly decreasing the stopping distance. The pneumatic power required to actuate the system's doors utilizes the auxiliary air system of the tractor.

Should you require additional data or information for your interpretation, please call us at (904) 588-2700 or FAX (904) 588-2701. Our physical address is: One Pasco Center 30435 Commerce Drive San Antonio, Florida 33576

Please return the enclosed materials, upon the completion of your interpretation.

Your attention to our request is greatly appreciated.