Grennan (6-10") - Apex Size:7" Classically ridden as thrusters

Classically ridden as thrusters

Foil: 80/20 Large

and durable construction

But this T-shirt is not just a fashion statement

The Peregrine Thrusters mirror performance characteristics displayed by these magnificent creatures

Grennan (6-10") - Apex Size:7" Classically ridden as thrustersJeff Grennan has been working on the design of his templates for years. Over the last year we've been working with him to add a high performance foil in order to increase the flow and speed of his fins. Jeff's idea was to pair a narrow base in order to decrease drag while adding lots or rake in order to retain control down the line and through turns. And boy was he right; his template has become a favorite in the San Diego glider scene and is used by