Segment

m (kg)

L (m)

r (m)

About

Moment of inertia

I (kg×m2)

Forearm

1.00

0.28

elbow

0.0261

Forearm (additional mass)

0.24

0.07

elbow

0.0012

Hand

0.58

0.11

com

0.0006

Hand

0.58

0.34

elbow

0.0670

Battery

0.26

0.37

elbow

0.0356

Total

0.131

Segment

m (kg)

L (m)

r (m)

about

moment of inertia

I (kg×m2)

Upper arm

2.14

0.30

shoulder

0.0642

Forearm

1.00

0.28

com

0.0065

Forearm

1.00

0.44

shoulder

0.1936

Forearm (additional mass)

0.24

0.37

shoulder

0.0329

Hand

0.58

0.11

com

0.0006

Hand

0.58

0.64

shoulder

0.2376

Battery

0.26

0.67

shoulder

0.1167

Total

0.652