hi. put your arm in the inputs panel (lengths, masses, payload) and the results update as you type. armsizer works out the torque each joint needs and picks a servo with some headroom.
Limits of this arm
same math as size it, servo weights as you entered themServos you already own
got one already? pin it here. other joints can use anything in the listPose
grab a joint and drag it around (or tab to it and use the arrow keys)Joint torque
kg·cm at the joint, worst case = arm straight out. The orange required mark must sit left of the blue servo max (through any reduction).gravityaccelerationrequired (with safety factor)servo max (stall)at current pose
Servo selection
| Joint | Servo | Stall | @ V | Required (with SF) | Margin | I stall | Mass | Alternatives | Source |
|---|---|---|---|---|---|---|---|---|---|
| kg·cm | V | kg·cm | × | A | g |
Shopping list
| Qty | Servo | Store | Unit price | Line | Checked |
|---|