From: The AMP-Foot 3, new generation propulsive prosthetic feet with explosive motion characteristics: design and validation
Motor
Maxon ECi 40–50 W
\(T_{cont.}\) = 46.6 mNm
\(T_{peak}\) = 100 mNm
Transmission
Maxon GP32BZ
Stage 1
i = 5.8:1
Maxon ballscrew GP32S
Stage 2
\(\phi\) 10 x 2 mm
\(\eta _{transmission1 \& 2} = \pm75 \%\)