Milliken E102
Contents
Overview
E102 is a 33 kV distribution tower type designed by Milliken Brothers for the 1929 Mid-East England (MEE) contract SL1 in the Lincolnshire area. The same towers appear to have been used in the SEE area also.
General data
| Designed for | CEB |
|---|---|
| Design contract | Milliken Brothers E102 |
| Height (straight line tower) | 46′–6″ (S3) |
| Voltage | 33 kV |
| Dates back to | 1929–31 (drawings) |
| Known conductors | Single |
| Design conductor | ? |
| Design earthwire | ? |
| Circuit count | Single; double? |
| Drawing ranges | E102 / LT1929 |
Lines
Possibly no complete MEE SL1 lines exist. Extant lines using E102 towers include:
- Stamford substation to a location east-northeast of Wittering and south of Barnack
- Leatherhead–Epsom–Reigate–Dorking, only fragments of which appear to remain
Lines known to have been demolished:
- Bourne substation to (as last seen) Stowe (east of Market Deeping)
Tower forms
Only material for single circuit towers has been recovered to date. The former junction tower in Ashtead (now functioning as an S90) matches the tower type suspected to be the double-circuit equivalent, but attempting to scale depictions of these towers on Google Street View to the single circuit tower clearances failed.
The following diagrams are shown to scale at 12 pixels per metre:
With earthing arms (derived from Google Street View only):
Examples
Pending.
Tower details
Base width for the S3 is the bend line, which is just above top of concrete.
| Type | Source | Height | Base width | Overall width |
|---|---|---|---|---|
| S3 | LT1929-22C | 46′–6″ (14.2 m) | 5′–0″ (1.5 m) | 13′–6″ (4.1 m) |
| S20 | LT1929-24B | 42′–9″ (13.0 m) | 9′–0″ (2.7 m) | 13′–6″ (4.1. m) |
| S60 | LT1929-27C | 42′–9″ (13.0 m) | 12′–6″ (3.8 m) | 17′–6″ (5.3 m) |
| S60 GPO crossing | LT1929-58B | 24′–0″ (7.3 m) | ||
| ST | LT1929-27C | 13′–9″ (4.2 m) |
| Tower type | Peak to top crossarm | Top to middle crossarm | Middle to bottom crossarm | Bottom crossarm to ground |
|---|---|---|---|---|
| S3 | 2′–4″ | 3′–9″ | 3′–9″ | 36′–8″ |
| S20, S60, ST | 3′–0″ | 3′–6″ | 3′–6″ | 32′–9″ |