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Tank & access / Calculated study / RECTANGULAR-CAPACITY-R8

Make room for the working volume.

An empty-cavity calculation examines headspace and displacement reserves.

Retained development study. Dimensions, names and checks belong to this revision—not automatically to the retrofit-only product. Manufactured tank shells are deferred. No installation instruction, certification or manufacturing release is represented.

The source reasoning

Why this detail was investigated.

Nominal model names alone cannot establish useful capacity. This study informed the later two-size exterior family while leaving equipment displacement and hydraulic levels open.

Read the research and limits

Research record

The detail behind
the study.

Source-linked work for this revision. Reported checks describe the stated model or test; physical qualification and applicability to the current retrofit remain separate.

The current R7 envelope contains 2,196.9 gallons below the top of the open body. An empty-cavity 2,000-gallon fill leaves only 140.7 mm below that edge, with no internal displacement included.

Assumed headspaceEmpty volumeRemaining room above 2,000 gal
100 mm2,056.9 gal56.9 gal
150 mm1,987.0 gal-13.0 gal
200 mm1,917.0 gal-83.0 gal
250 mm1,847.1 gal-152.9 gal

Negative values mean the empty body already falls short. Positive values are the entire remaining allowance for displacement at that level; they are not a verified equipment allocation.

Dimension options for the next model revision

Using a 250 mm headspace sensitivity case and a 10% displacement reserve gives these preliminary length options:

1,500-gallon target: approximately 3.366 m long × 1.801 m wide.

2,000-gallon target: approximately 4.400 m long × 1.801 m wide.

These assumptions are not approved operating requirements, and the dimensions have not yet been applied to the product geometry. Laminate, joints, actual internal volumes and hydraulic levels remain unresolved.

Exact results and source hashes · 1,500-gallon volume solid · 2,000-gallon volume solid · Current exterior models

Source and revision record

Source: rectangular-capacity-r8/index.html

Source SHA-256: ccc7fcf7a3de0632bb0a6db1d6d3444b57db0a7c9e938732c7df371d3ddefbee

Geometry and images describe this development revision. Current product ratings and manufacturing release require separate qualification.

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