Mass and balance
Load the aeroplane and check the weight and centre of gravity against the flight manual limits.
Aeroplane
About these figures
Warrior II POH (VB-1180) section 6: 2,440 lb version. Utility category: 2,020 lb, no rear passengers or baggage. Datum: 78.4 in forward of the wing leading edge at the inboard intersection of the straight and tapered sections. Your own aircraft's weighing schedule gives the basic empty weight and arm.
People and baggage
Fuel
Trip fuel 34 L. At landing: 148 L, about 4 h 20 min of flying.
Fuel weighs 131 kg. With this load, you can take up to 182 L and stay within the 1,107 kg maximum take-off weight.
Result
| Weight | CG (in) | CG limits | |
|---|---|---|---|
| Zero fuel | 835 kg | 84.9 ✓ | 83.0 to 93.0 |
| Take-off | 965 kg | 86.3 ✓ | 84.9 to 93.0 |
| Landing | 941 kg | 86.0 ✓ | 84.3 to 93.0 |
Working
| kg | in | kg-in | |
|---|---|---|---|
| Basic empty weight | 680 | 85.9 | 58,412 |
| Pilot and front passenger | 154 | 80.5 | 12,397 |
| Rear passengers | 0 | 118.1 | 0 |
| Baggage | 0 | 142.8 | 0 |
| Fuel (48 US gal) | 131 | 95.0 | 12,445 |
| Take-off | 965 | 86.3 | 83,249 |
Moment = weight × arm. CG = total moment ÷ total weight.
Arms and envelopes from the flight manual's loading section. The theory is in mass and balance in the Aircraft Technical guide.