Rans S-7LS Courier - Page 31

Rans Inc. Section 3
Model S-7LS COURIER Weight and Balance Information
Revision - A March 3, 2005
3- 5
5. Using weights from item 3 and measurements from item 4, the airplane basic empty
weight and moment can be determined by completing Figure 3-1. (The airplane basic
empty weight includes the unusable fuel amount of 1.25 gall.)
• Moment = weight x Arm
Line Item Weight (lb.) Arm (in) Moment (in lb.)
1 Main wheel RH (A)
2 Main wheel LH (A)
3 Tail wheel (B)
4 Unusable fuel
(1.25 gallons )
7.5 52.2 391.5
Total Total
Arm (= total moment / total weight )
Table 3-1. Airplane basic empty weight