Airplane Design
Part V: Component Weight Estimation
Dr. Jan Roskam
Ackers Distinguished Professor Emeritus of Aerospace Engineering
The University of Kansas, Lawrence
2018
Design • Analysis • Research
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Table A4.1a Group Weight Data for Agricultural Airplanes
Type
Number of Engines
1 Piston
PZL M21
Dromader
Mini
1 Piston
Weight Item, kg (lbs)
Wing Group
Empennage Group
Fuselage Group
Nacelle Group
Landing Gear Group
Nose Gear
Tail Gear
Main Gear
kg
731
86
280
66
188
24
164
1351
567
188
23
19
21
46
29
lbs
1612
190
617
146
415
53
362
2980
1250
414
51
42
46
101
64
kg
660
82
245
48
146
24
122
1181
464
105
12
17
18
40
12
lbs
1455
181
540
106
322
53
269
2604
1023
231
26
37
40
88
26
kg
893
146
402
402
229
64
165
1670
355
39
6
110
22
lbs
1969
322
866
866
505
141
364
3682
783
86
13
243
48
893
157
140
17
1968
346
309
37
668
105
90
15
1471
231
198
33
532
420
-
1173
926
-
40
16
29
88
5
6
25
25
391
134
129
181
60
60
132
60
88
35
64
194
11
13
55
55
861
295
284
399
132
181
400
132
36
16
29
85
5
6
25
20
327
125
92
163
60
60
132
60
79
35
64
187
11
13
55
44
719
276
203
359
132
163
360
132
78
15
77
173
13
21
29
826
103
64
107
64
141
23
172
33
170
381
29
46
64
1821
227
141
236
107
236
51
7
534
1300
15
1177
2866
6
300
900
13
661
1984
6
1150
2100
13
2535
4630
Structural Total
Engines
Propellers
Air Induction System
Exhaust System
Fuel System
Oil System
Propulsion system
(engine, propell.
controls, engine starting
system, accessory
cooling, miscellaneous)
Power Plant Total
Fixed Agro. Equim’t:
Hopper
Fixed Argo System.
(controls, loading inst.,
etc.)
Surface Controls
Avionics & Instruments
Hydraulic System
Pneumatic System
Electrical System
Electronics
Venting & Air Cond. Sys.
Furnishings
Miscellaneous
Fixed Equipm’t Total
Spray Equipment
Spreading Equipment
Atomizing Equipment
Fire Fighting Equipment
Agro Operational Equipm’t
(one among a/m)
W oil
W tfo
Maximum Fuel Capacity
Maximum Payload
Part V
PZL M18
Dromader
Appendix A
PZL M15
Belphegor
1 Turbofan
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