Memo 2 of 4  ·  7 May 2026  ·  18 pages  ·  Pre-feasibility grade

Transmission Tower Tension Sizing

Single-Tier MMC Pylon Architecture Across the Full Deployment Range

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What This Memo Covers.

The MMC transmission tower architecture is a single-product family: one pylon (4m base, 1m top, single 20" L80 13Cr tubular), one foundation (standard ATS caisson), one Megafactory production line. This memo establishes that single SKU covers approximately 80% of every transmission tower in the deployment range as a stand-alone single pylon, with two architectural extensions (guyed MMC, dual-tower portal) covering 99.5%+ of the continental transmission deployment range.

Sections.

Document Record.

Document Memo 2
SBC Engineering Memo Series
Date 7 May 2026
Pre-feasibility grade
Patent Coverage Patents 5 & 6 — AU 2026904075, AU 2026904172
Companion patents

All figures are pre-feasibility grade — within ±20-30% of detailed design values. Detailed structural engineering required before any binding use. Contact brett.murrell@multimodalcorridors.com for technical enquiries.