Jonker Sailplanes JS-3 Rapture User Manual

JS-MD 3
Aircraft Flight Manual
MD10-AFM-00-001
Issue: 01
Rev. 00
Rev. Date: 14-Feb-20
Page 6-8
#
Load point
Mass
kg
Arm
mm
Moment (kg.m)
Mass x Arm/1000
Empty aircraft
280
470
131.6
1
Pilot and parachute
90
-645
-58.1
3
Water ballast – main
138
247
34.1
4
Expendable tail tank
5.8
4285
24.9
5
Non-expendable tail tank
~8.9
4510
40.1
8
O2 bottle AL248
2
0
0.0
Totals:
524.7
172.6
Table 6.3-3
The plot on the diagram illustrated in Figure 6.3-3 demonstrates that the
CG is slightly forward of the mid position and borders on the maximum
allowable weight.
The flying CG can be calculated as follows:
Flying CG =
Total of moments
=
172 600
=
328.9mm
Total mass
524.7
The flying CG must be within the limits given in Section 2.6.

Jonker Sailplanes JS-3 Rapture Specifications

General

Brand	Jonker Sailplanes
Model	JS-3 Rapture
Category	Aircrafts
Language	English