Towing tug specs.xlsx

	B	C	D	E
1
2	Towing truck power requirement calculations
3	Sl No.	Rolling resistance force	Aircraft	Towing truck
4	1	Weight(kg)	575000	20000
5	2	Acceleration to gravity	9.81	9.81
6	3	Coefficient of rolling resistance	0.005	0.002
7	4	Rolling resistance force(N)	28203.75	392.4
8
9	Sl No.	Aerodynamic drag force	Aircraft	Towing truck
10	1	Air density (kg/m^3)	1.225	1.225
11	2	Frontal area (m^2)	410	40
12	3	Velocity (V) (m/s)	4.1	4.1
13	4	Velocity (V^2) (m/s)	16.81	16.81
14	5	Coefficient of air drag	0.02	0.02
15	6	Aerodynamic drag force (N)	84.428225	8.2369
16
17	Sl No.	Total force acting	Aircraft	Towing truck
18	1	Rolling resistance force (N)	28203.75	392.4
19	2	Aerodynamic drag force (N)	84.428225	8.2369
20	3	Total force acting (N)	28288.17823	400.6369
21	4	Tractive force Fte (KN)	28.68881513
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100