Transactions Society Naval Architects and Marine Engineers, Vol. 30, 1922. Plate 28 
To illustrate paper on “The Application of Dyson’s Method to Propellers of Ocean Going 
Vessels,” by E. A. Stevens, Jr., Esq., Member. 
PROBLEM Not& 
Hull | Propeller Tee 
Enero SOO |volof rrepcicrsis canna 
B=: Beam = 63 | NO Of Blades = 3 
H: Draught — 20-4598 Diem = D. =FAB7 9167 
A > Displacement = 4ol2 Pitch= P = 8-3 46|8-346 
Nominal Block Coeff _ Ss 22s eA =.516 |. 516 
M.S. Coe About = 439 | emg = 
one = Sasi oes = 1040 |11040 
Type = $s PxR =32,00|3200 
Bil = 126 I-S =,828 
Ee AaB ers ea sy 3 =2.6-2 1281 
BCon as ROIS fOr: = 5 = a DELS) | 1 .Ta. = 4:23 | 9-23 
Sli neon orCentre = 7 -$30 | LH.P each =9500/850e0 
LA - Estimated s 206. Pic =. 546 |.5 
B fle (NS\ sla = 1G-55 E.HR =4645 |4645" 
S = Basic Sh = Gs |oulr. Sia = 7810) 7610 
Raise sea a = 485 |.542. 
K = 1-0 = iL 
| 23.94 23.14! 21-086 || 18-839 16 .§¢4-4 
ecaclaee | Wing | Centre. Wing Centre|| Wing | Centre. 
ve Gib |855 1835 |.825 ||.605|.75/ || 72. |-671 ||.63/ | 59 
joz® woe [1-3 | tT | Lapel S41 7-89 las | 2-60 ||3.176 | 9-75 
Aetual SH Fz each|\8829 |7767 |7525 |6725 \\so 9534.95 |3705|Po08 |219q. 
s aoe ry 5 lrg |.7¢3 |.72. 1.135 || 164-1139 ||-138 | 1 
Fer | 368 |340 | 349 128.513096| 297 ||274-|2.66 |233.5| 22.0! 
Actual Ty | S&T 1338-7 1349-8 |326.6113/0.9 |\29441|276 -1| 264-9) 234.44 233.44 
POE aa |.678 £-125|| £039 | 1263 ||/-546| 1.735 |2.235 |2-36 zat 
2hpr EHP. ||1-193|.493 |-964|.80 |657/)588 | Abt |-4ag liane \265s 
chp foreach screw 5260 4145 || 44-70 |37/9 g| O55 |2730 ||2140|2035 || Z160| 1232 
ue ieee 14665 12.655 | 8240 6315" 375-2. 
ehp Bare Hull || 12420 || 10975 || 8250 || 5770 3520 
Tatalehp>ehpBh|| 1-18 1153. 1.07 1-09 1:066 
i 
