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Table 1 Mass and inertia for all wheelchair and dummy components included in model

From: Manual wheelchair downhill stability: an analysis of factors affecting tip probability

  Mass (kg) Inertia: Ixx, Iyy, Izz, Ixy, Iyz, Ixz (kg.m2)
Component
 Front wheels (×2) 0.38 0.0005, 0.0009, 0.0005, 0, 0, 0
 Rear wheels (×2) 1.80 0.0670, 0.1323, 0.0670, 0.0023, 0, 0
 Seat (inc. gas springs) 3.21 0.0645, 0.0529, 0.0892, 0, 0, − 0.0044
 Backrest 1.24 0.0435, 0.0253, 0.0242, 0 0–0.0016
 Wheelchair frame 3.19 0.1328, 0.1187, 0.2024, 0 0–0.0117
Total wheelchair mass 12.00  
 Torso 62.80 0.9439, 0.6674, 1.3138, 0, 0, 0.0730
 Thigh 42.16 0.9682, 0.5219, 1.2659, 0, 0, 0.0702
 Legs (×2) 4.16 0.0182, 0.1022, 0.0871, 0, 0, 0.0163
Total dummy mass 113.28