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Detailed illustration of a UK canal lock with double mitre gates, showing its structure and components, including the cill.

Detailed illustration of a UK canal lock with double mitre gates, showing its structure and components, including the cill.
Pro

Can you please create a drawing of a proper UK canal lock with double mitre gates? The drawing should include: Lock structure • Lock chamber • Upper pound (above the lock) • Lower pound (below the lock) • Cill / sill (under the upper gates) • Cill marker (on the lockside) • Wing walls • Bywash / overflow channel (optional but common) Gate components (both ends) • Mitre gates (pair of gates meeting at an angle) • Balance beams • Heel post • Quoin (curved recess the heel post sits in) • Head post • Gate paddles (in the gate itself) • Ground paddles (in the lockside) • Paddle gear (rack & pinion or hydraulic) • Spindle (where the windlass fits) • Paddle culverts (internal channels) Access & safety • Ladders • Walkways (sometimes) • Handrails • Stop plank grooves See more

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