C 162 I 
The following table contains 6 examples of Dutch 
fails, and 4 examples of the enlarged fails, in differ- 
ent pofitions, but with the conftant velocity of the 
wind of 6 feet in a fecond, from table 3 : and alfo 
6 examples of Dutch fails in different pofitions, with 
different velocities of the wind, from table 4. 
Tael e V. containing the ratio of the velocity of the 
extremities of windmill Jails to the velocity oj the 
wind. 
' N° 
N° of Tab. 
Ill and IV. 
Angle at the 
Extremity. 
Velocity of 
the wind in a 
fecond. 
Ratio of the velocity 
of the wind and ex- 
tremities of the fails 0 
unloaded. 
loaded. 
1 
8 
0° 
6 F o ia 
1 : 4, 2 
r : 3,3 
2 
9 
3 
6 0 
1 : 4,2 
1 : 2,8 
3 
10 
5 
6 0 
. — — , — 
1 : 2,75 
*—5 
►— < 
4 
1 1 
n 
6 0 
1 : 4, 
1 : 2,7 
O 
5 
1 2 
10 
6 0 
1 = 3,8 
1 : 2,6 
_o 
6 
J 3 
1 2 
6 0 
1 : 3,5 
1 •• 2,3 
H 
E 
7 
1 4 
7 t 
6 0 
1 : 4,3 
1 : 2,6 
0 
8 
!5 
10 
6 0 
1 : 4,1 
1 : 2,6 
£ 
9 
16 
1 2 
6 0 
1 : 4, 
r : 2,3 
10 
l 7 
*5 
6 0 
1 : 3,35 
1 : 2,2 
1 1 
1 
5 
4 4 f 
1 : 4, 
i 2,8 
> 
i 2 
2 
5 
8 9 
1 : 4,3 
1 2,6 
HH- 
• 
*3 
3 
7 * 
4 4 i 
— — . — 
1:2,8 
- Lj 
14 
4 
/ i 
8 9 
— . — — 
1 : 2,7 
1 5 
5 
10 
4 4 ? 
1 : 3,8 
1 2,6 
E 
0 
16 
6 
IO 
! 
8 9 
1 : 3,4 
1:23 
1-. 
U4 
1 
■ 1 
2 
3 
4 
5 
6 
It 
