Editing Openai/68fceef0-7248-8013-bf5d-581461dec5bc (section)

=== Assistant: Summary of new constraints and simplifications: ===
Summary of new constraints and simplifications:
# Single pinion used for modeling - One continuous pinion spans both the top rack and bottom rack (same shaft). - We are deliberately omitting the real-world three-pinion arrangement for simplicity.
# Rack = Arm still applies. - Top rack is the top arm; bottom rack is the bottom arm.
# Rack length is a user input - Minimum = 12 inches - Maximum = 48 inches - Rack length is independent of pitch/gear module for this calculation stage.
# Pinion has two drums on the same shaft - One intake drum - One output drum - We are not yet modeling multi-wrap complexity or drum-diameter changes unless later specified.
# Pinion locations relative to racks - The top pinion is mechanically engaged at the top of the top rack. - The bottom pinion is mechanically engaged at the bottom of the bottom rack. - The pinion is assumed to stay engaged — no modeling of slippage, derailment, spring tensioners, or securing mechanisms.
# Exclusions - Do not model tension systems. - Do not model securement or derailment risk. - Do not model the other arms/pinions. - Do not model extra mechanical features beyond what is described.

If all of this is captured correctly, say “Continue” and we proceed to the next layer.