34
Art of Travel.
Tables for the easy determination of the Rate of Travel.
TABLE I.-Pace or Stride of Man, Horse, Camel, &c.
| |
|
o
6 |
~, |
mom,;
oho
aim
C |
a
w0
m |
a0
oBG |
|
a~ `"
0 o I F y~
y•~ ado
a |
a
a~ wow
`oa `~ `
~p I |
|
1 |
j |
0.57 |
11 |
6.2 |
21 |
11.9 |
|
31 |
17.6 |
I 41 |
23.3 |
|
2 |
|
1.13 |
12 |
6.8 |
22 |
12.5 |
|
32 |
18.2 |
42 |
23.9 |
|
3 |
|
1.70 |
13 |
7.4 |
23 |
13.1 |
j |
33 |
18.4 |
43 |
24.4 |
|
4 |
1 |
2.27 |
14 |
8.0 |
24 |
13.7 |
i! |
34 |
19.3 |
44 |
25.0 |
|
5 |
|
2.84 |
15 |
8.4 |
25 |
14.3 |
j |
35 |
19.9 |
45 |
25.6 |
|
6 |
|
3.41 |
16 |
9.1 |
26 |
14.8 |
1 |
36 |
20.5 |
46 |
26.1 |
|
7 |
1 |
3.98 |
17 |
9.7 |
27 |
15.4 |
1 |
37 |
21.1 |
47 |
26.7 |
|
8 |
! |
4.55 |
18 |
10.2 |
28 |
15.9 |
1 |
38 |
21.6 1 |
48 |
27.3 |
|
9 |
|
5.11 |
19 |
10.8 |
29 |
16.4 |
1 |
39 |
22.2 |
49 |
27.8 |
|
10 |
|
5-68 |
20 |
11.4 |
30 |
17.0 |
|
40 |
22.8 |
50 |
28.4 |
TABLE II.-Radius of Carriage Wheel.
|
0 |
| |
b
b ©O ! I ~ m 0 d _ p
~
~,^ ^ ! 0U ~n~ ~"RnY, |
| |
o°_o
aM H 1.0 u: San |
| |
1 3.57 |
11 39.3 |
1 21 |
75.0 |
|
| |
2 7.14 |
12 42.8 |
22 |
78'5 |
|
| |
3 10'71 |
13 46'4 |
23 |
82.1 |
|
| |
4 14.28 |
14 50.0 |
24 |
85'7 |
|
| |
5 17.85 |
15 53.6 |
25 |
89'2 |
|
| |
6 21.42 |
16 57.1 |
26 |
92.8 |
|
| |
7 24.99 |
17 60.7 |
27 |
96.4 |
|
| |
8 28.56 |
18 64'3 |
28 |
10010 |
|
| |
9 32.13 |
19 67.8 |
29 |
103.5 |
|
| |
10 135.70 1 |
20 71'4 |
30 |
107.1 |
|
b. Men the length of Pace is unknown till after observation. -In this case, the following plan gives the rate of travel per hour, with the smallest amount of arithmetic.
For statute miles per hour-Observe the number of paces (n) taken in 5.7 seconds : let i be the number of inches (to be subsequently determined at leisure) in a single pace; then
n i is the rate per hour. 100
For geographical miles per hour-The number of seconds to be employed is 5. This formula is therefore very simple, and it is a useful one. (A statute mile is 1760 yards, and a geographical mile is 2025 yards.)
)F
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