Modification - Fat Boy (2-Stage)

Modification - Fat Boy (2-Stage) Modification

Estes Fat Boy (2-Stage) By Stan McKiernan (April 24, 2008)
( Contributed - by Stan McKiernan - 04/24/08) Brief: I added a booster with gap staging for my stock Fat Boy. Modifications: The Fat Boy was built stock. For the Booster, the engine mount was assembled in the usual manner. The aft centering ring is flush with the tube end. 1/4" vent holes were punched in both centering rings. The coupler extends into the susta ...