Fin Number I 



Tip Chord 



Fin Plane of Symmetry at 3 ft. 

 above Base Line 



Fin Area 



Waterplane Area 



0.022 



Root Chord 

 22.8'- 



Fin Number 2 



at Tip 



Fin Plane of Symmetry at 3 ft. 

 above Base Line 



Fin Area 



Waterplane Area 



0.022 



Fin Number 2s - Obtained from Fin Number 2, by cutting 5ft. off each tip, P8S, 



Tips off Centerline : 14 ft. 



Fin Area : 400 sq.ft. 



Fin Area 



Waterplane Area 



' 0.014 



Fin Number 2h - Obtained from Fin Number 2s, by drilling two I '/fe ft. diameter 

 holes 2 ft. aft of leading edge of fwd fin and two ll^ft. diameter holes 2 ft. fwd of 

 trailing edge of aft fin. Area and span of fins not changed . 



Figure 3 — Plan Views of Antipitching Fins 1 and 2 



