Radial Opening Reinforcement - 100% RULE   

This form calculates reinforcement for RADIAL hull openings using the 100% Rule popularized by Frank Busby and utilized by George Kittredge in his K250 and K350 designs.

Select units of Measure:  
Pressure Hull Nominal Thickness:  
Inside Diameter of Nozzle:  
Length of Nozzle OUTSIDE Hull:  
Length of Nozzle INSIDE Hull:  

Required Reinforcement Area:  
Designed Reinforcement Area:  
Required Nozzle Thickness: