1. , .
2. , , .
3
2. .
2.1 .
, . , 4 . - , ( ). - , . - , . r (R) . 25-30.
: Convair 880 = 22,352; DC-8 = 25,4; 747, Boeing 727, Boeing 737 = 31,75; C-5 = 26,67; C-141 = 31,75; -188 = 25,4; Lockheed Constellation = 29,464.
2.2 , , ( ) , :
(, , ) 1, 0,1. = 3,0.
= 44
2.3 () , .3.2 .
2.4 .2.2 2.3 .
:
A = F () | Ix | ||
13738-91 | 112.9 | 9221.5 | 44.5 |
13738-91 | 142.9 | 12800.9 | 43.7 |
47.5 | 3952.8 | 45.4 |
:
2.4.1. 3 ( , , ), .
2.4.2 - , , . = , . , , = .
|
|
2.4.3. (Ix) , .
[ 2 ], .62 :
[ 2 ], .63
b , (r, R) (. . III.53, V.62).
. [ 3 ], .288
.
1. .
2. ( 1,2,3) . 2.1. : 1-, 2-, 3- .
3. b. , 1: b = 49/2 - 0,9/2 3 = 24,5 0,45 3 = 21,05.
4. (, 1) = = = = 56,75
:
1. . 2.2 1 , .
2. .
2.5 .6, .8 ( ). . .( , . 1.2.2).
. .3. . [ 3 ], .289
2.6 ( 3 ) .
- EXCEL.