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Idler-Side Swing Arm
This is the pinned side of the front yoke in the 'SG90 Sawtooth-Foot Inchworm Crawler' kit. It is a 5 mm thick, 94 mm long flat arm with an 8 mm radius boss and a 4.3 mm slip-fit bore that rides on the kit's 4 mm steel pin. Its pad edge is 20.1 mm below the pivot and has two 2.6 x 15 mm M3 self-tap pilots at x 64 and 76, where M3x16 screws come up through the front crossbeam.
🧩 Part of the SG90 Sawtooth-Foot Inchworm Crawler (pinned side of the front yoke) kit.
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