Robinson R44 - Page 78

REVISED: 21 FEB 2014 6-6
ROBINSON
MODEL R44
SECTION 6
WEIGHT AND BALANCE
LOADING INSTRUCTIONS (cont’d)
SAMPLE LOADING CALCULATION
Item
Weight
(lb)
Location Moment
Long.
Arm
(in.)
Lat. Arm
(in.)
+= Right
Side
Long.
(in.-lb)
Lat.
(in.-lb)
Basic empty weight 1460 106.2 0.2 155,052 292
Remove forward right door —7.5 49.4 24.0 —371 —180
Remove forward left door 49.4 —24.0
Remove aft right door 75.4 23.0
Remove aft left door 75.4 —23.0
Remove cyclic 35.8 —8.0
Remove collective 47.0 —21.0
Remove pedals (both) 16.8 —9.5
Pilot (forward right seat) 170 49.5 12.2 8415 2074
Left forward passenger 170 49.5 —10.4 8415 —1768
Aft right passenger 160 79.5 12.2 12,720 1952
Aft left passenger 130 79.5 —12.2 10,335 —1586
Baggage under forward right seat 10 44.0 11.5 440 115
Baggage under forward left seat 10 44.0 —11.5 440 —115
Baggage under aft right seat 79.5 12.2
Baggage under aft left seat 10 79.5 —12.2 795 —122
Zero usable fuel weight and CG* 2112.5 92.9 0.3 196,241 662
Usable main fuel at 6 lb/gal. 177 106.0 —13.5 18,762 —2390
Usable aux fuel at 6 lb/gal. 102 102.0 13.0 10,404 1326
Takeoff Gross Weight and CG* 2391.5 94.3 —0.2 225,407 —402
* CG location (arm) for loaded helicopter is determined by dividing total moment by
total weight.