Trawl Resistant Bottom Mount

MSI Products & Services

Bottom Mounts

Mooring Systems Inc. manufacturers Miniaturized Trawl Resistant Bottom Mounts designed for protecting oceanographic instrumentation from trawler gear. These instrument platforms are ideally suited for use with up looking Doppler Profilers and provide sufficient space for extra battery housings and other instrumentation. Optional diver serviceable ADCP brackets and acoustically activated pop-up buoys are available to suit specific applications. Bridles can be configured for lowering using an acoustic release or slip line.

The basic construction of our MTRBM consists of a truncated rectangular fiberglass cover over a fiberglass grate. Purge holes in the upper perimeter of the cover and handles are standard. Holes in the top surface are placed as needed to meet instrument mounting requirements.

Features

Light Weight Design
Lifting / Handling Bails
Reliable Recovery Systems
Corrosion Resistance

Options

Dual Axis Gimbal for Doppler Profilers
Custom Instrument Mounting Brackets
Recovery System (Pop-Up-Buoy)
Diver Serviceable Instrument Brackets
Lead Ballast
Corner Located Eye Bolts
Deployment Bridles

Specifications

Cover Material ~ 1/4" (6.4 mm) Fiberglass
Base Material ~ 1" (25.4 mm) Fiberglass
Instrument Gimbals ~ PVC or 316 Stainless Steel
Fasteners ~ 316 Stainless Steel
Length ~70" (1775 mm)
Width ~ 48" (1220 mm)
Height (outside) ~ 18.5" (470 mm)
Height (inside) ~ 17.25" (438 mm)
Weight in Air ~ 132 lbs (60 kg) empty
Weight in Water ~ 50 lbs. (23 kg) empty

Mooring Systems' Gimbaled Bottom Tripod is a unitized structure designed to handle, protect and deploy cylindrical instrument cases. Although adaptable to a wide range of instruments, the Bottom Tripod is built to specifically contain smaller acoustic profilers.