Torsion SKU Match

Calculate SSC-equivalent torsion specs and surface stocked left/right SKUs with review notes.

Spring Conversion

Convert field measurements into replacement dimensions and stocked SKU candidates.

Solve engineering values from required IPPT and turns without forcing a product recommendation.

Estimate pull and match extension inventory by door height, end style, and rated weight.

Calculate extension pull from field measurements using ID or OD.

Map Wayne Dalton Torquemaster selections to inventory by type, height, system, and weight range.

Calculate MIP, IPPT, initial turns, and spring dimensions for rolling steel jobs.

Back-calculate door weight from installed spring data and selected drum geometry.

Inspect extracted SSC drum specs and compatibility by lift family.

Quick internal lookup for OD-to-ID conversion and standard spring references.