1 6 



PT53MAXCH1 



15 



— 







14 



- 



^^.^« 





13 



- 



^ 





12 



- 



T^ 





h- 









u- 11 



^ 







■z 





<i 





O 10 



— 







1- 



^ 9 



- 



<• 





UJ 









-• 8 



lU 



— 



{\ 





7 



- 







6 



- 



41 





5 



- 







4 



- 



1 1 1 1 1 1 1 





3 ' 



PT53 MAX CH2 



16 - 









15 



- 







14 



< 



1 





13 



- 



\ 





12 



- 



/ 





1- 





/ 





"- 11 



— 



f 





z' 



( 



I 





O 10 









t- 



< 9 



_ ( 



1 





LU 









-■ 8 



^ 









( 



1 





7 



— 







6 



_ < 



1 





5 



- 







4 



- 



1 1 1 1 1 1 1 





-10 



10 30 50 70 





PRESSURE, PSI 





INSTANTANEOUS WAVE PRESSURE DISTRIBUTION 





NORTHEASTER PT53 





SWL = +8.0FT 





MAXIMUM PRESSURES ON CHANNELS 1 AND 2 



PLATE 4 



