Dimensions of Archeops Kiruna Experiment

Balloon

Volume of the balloon: 400 000 m3
Size of the balloon: 100 m diameter
Height between gondola and lower part of the balloon: 125 m

Gondola

Including crashpads.
Height: 3.40 m
Length: 4.50 m
Width : 3.60 m
Weight: 480 kg (without ballast)

Moment of Inertia

Assuming 2.7 g/cm3, 1.7 E8 unity3, 4.59169 E5 g
Barycenter is
0.179 0.094 1476.518
Principal moments (g.unity2)
0.590E12 0.5502E12 0.5198E12
Radius of principal rotation: (Rayons de giration principaux)
1003.387 (?) 1094.690 1063.943
Tensor of inertia
+0.5590E12 -0.5574E07 -0.1830E09
-0.5574E07 +0.5502E12 -0.6689E08
-0.1830E09 -0.6689E08 +0.5198E12
Cosinus directeurs repere principal
+0.999989 -0.0005995 -0.0046606
+0.0005995 +0.999997 -0.0046606
+0.0046606 +0.0021956 +0.999987