Grennan Side Bite (3.75") - Apex Case:FCS (Twin Tab) This provides a more lively

This provides a more lively

The Hele was designed to evolve the performance of a single fin and get as close as possible to the sensation of a high performance thruster

77"Height: 4

25"Area: 25

5" lengths

Grennan Side Bite (3.75") - Apex Case:FCS (Twin Tab) This provides a more livelyJeff Grennan has been working on the design of his templates for years. Over the last year weve been working with him to add a high performance foil in order to increase the flow and speed of his fins. Jeffs idea was to pair a narrow base with increased rake in order to decrease drag while retaining 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 the likes