To illustrate paper on “Feathering Paddle-W heels,” 
by Professor E. M. Bragg, Member. 
Sees Vee. 
il ee A 
RERICLELCASSECLE RRR A 
UNRIN \N IAN . Ga 
AKERS SIS 
YALA ARYELLE RAS 
AM WH 
\ CIMA 
\ . d, APRS 
iN XAx 
Be 
Gy 
BYA re - 
Yeo 
CU BsaKt 
MV 
SUAS 
FATS 
x 
ps KASS 
meaN 
Fa 
IS 
AS <1 
SSS | Fea ets 
RSS 
WSO 
SS <I 
bs 
0 22 24 26 28 30 
PERCENT oF SLIP At CENTER oF BLADE 
Fia.9. 
