

Table of Horse Power of Screws 10 Feet Diameter at 10 Knots 





/* 



0-003 



0*006 



O'OI 



0-015 



0'02 



0-025 



0-03 0-04 



0-05! 0-06 



0-07 



0-08 





A=i-o 



3-6 



7-2 



12*1 1 l8 



2 4 



3°-5 



37 



49*5 



62-5 



76 



89 



i-3 



H.P. 



V 



K 



% Slip 



1 -003 



1-006 



I-OI 



1 -oi 5 



1-02 



1*025 



1-03 



1-04 



1-05 



1-06 



1-07 



1-08 



o-6 



1-2 



2 1 3 



4 



5 



6 



8 



9-8 



ii*5 



137 



15-5 



A=i-8 



12 



24 



40 



61 



82-2 



105 



127 



173 



222 



272 



325 



379 



H.P 



V 



K 



% Slip 



1*009 



1*02 



1-03 



1-045 



1-06 



1-075 



1-09 I -12 



i'i5 



1-17 



I-20 



1-22 



1*2 



2-4 



4 



6 



8 



io-i 



12-2) l6 



i97 



23"3 : 



26-9 



3C4 



A=2 



I 4 '9 



29-8 



49-6 



76-2 



103 



131 



159 



219 



282 



347 



4 15 



486 



H.P. 



V 



K 



% Slip 



1*01 



ro2 



1-04 



1-06 



1-08 



1-095 



I'll 



i-i5 



1-18 



I-2I 



1-24 



1*27 



i'4 



2-9 



49 



7-8 



9-6 



I2'I 



14*6 



19-2 



23-8 



28-3 



327 



37-2 



A=2*2 



17-6 



357 



6o-6 



93-4 126 



l6l 



197 



2721350 



434 





... 



H.P. 



V 



~K 



% Slip 



i-oi 

 17 



1-03 



I-C5 



1-07 



1*09 



I'll 



1-13 



1-17 



I -2 I 



1-25 







3'5 



5-8. 



8-5 |n-2 



13-8 



16-4 



21 j 26 



31 





... 



A=2*4 



21 



427 



727 113 



164 196 



2 39 33i 



43° 



533 



... | ... 



H.P. 



V 



T 



% Slip 



1-02 



1-03 



i'06 



1-09 



i"ii 1-13 



1-16 



I # 20 



1-25 



1-29 



... 



... 



2-0 



4-0 



6-8 | 9'9 



13 j 16 



19 | 25 



31 



37 



... | ... 



A=2-6 



24.7 



49-6 



86 



134 



182 



2 34 



286 



399 



520 



647 







H.P. 



V 



~K 



% Slip 



I'02 



1*04 



ro 7 



i-io 



1-13 



1-15 



1-18 



1-24 



1-29 



i'34 







2-3 



47 



77 



ii-i 



15 



i8"5 



22 



29 



35 



42 







A=2-8 



287 



58-8 



1007 



157 



214 



277 340 



476 



622 777 







H.P. 



V 



z 



% Slip 



I"02 



1 -05 



1-08 



I'll 



1-14 



1-18 



1-21 



1-27 



1-33! 1-38 









2'6 



5*2 



8-9 



12-9 



16-8 



20-4 1 24 



32 



39 1 47 



A=3*o 



33-i 



67-9 



117 

 ro8 



189 



.250 



325 



399 , 562 



736 



923 ... 





H.P. 



V 



~K 



% Slip 



1-03 



1-05 



I-I2 



1-16 

 187 



I*20 



1-24 



1-31 



i'37 



i*43 





... 



2-9 



5 '9 



97 



I 4 '2 



23 



27 1 36 



44 



5* 1 ... 





A=3'5 



45 



927 



163 



256 



357 



4 6 3 



576 





... | ... 







H.P. 



V 



Z 



% Slip 



1-04 

 3*9 



1-07 



1-13 



i-i8 



1-22 



1-27 



1-31 





1 







77 



13-6 



197 



24 



29 



35 





... 1 ... 







A=4*o 



59 



127 



220 



349 



488 



639 



803 



... 







... 





H.P. 



V 



Z 



% Slip 



1-05 



1*09 



1-15 



I"22 



1-2? 



i i'34 



i*3S 



) .. 



•• 









5* 1 



9-8 



16-0 



237 



30 



37 



44 













For other Speeds and Diameters H.P.=(Tabular number) x -D 2 

 Thrust in lbs. =2 (Flow in cubic feet per second) x (v— l K) 

 Slip is reckoned on Pitch at after Tip of Blade 



V s -r- 100,000 



