Extension mast bottom, BI thread mount, UNS 1″ x 14

Extension Masts

Extension masts are a reinforced, lightweight, dielectric antenna mast system consisting of 2 tubular fibreglass sections. It is designed for use on pleasure craft, but the high quality means it may be used on all kinds of vessels.

This masts is designed for Comrod’s VHF and UHF models –BI

UPS Shippable

Rupp is optional

Design Fibreglass whip in 2 sections. Chrome plated brass fittings and ferrules.
Height Short version 3.7 m
Long version 4.9 m
Weight Short version 2.6 kg
Long version 3.5 kg
Sections Bottom section long       ESB25      2.45 m                           ø38 mm
Bottom section short      ESB125    1.25 m                           ø38 mm
Mid section                          ESM25    2.45 m                           ø33 mm
Wind Rating 55 m/s = 201 km/h
Moment of Flexure Depends on top load
Deflection due to Wind Load Depends on top load
Finish Polyurethane lacquer, white
Chrome plated fittings
Temperature Range – 55°C to + 71°C
Ice Build-up Not affected