Bottom Mounts (TRBM)

img_4781-msi-deployment.jpgMooring Systems, Inc. manufactures Trawl Resistant Bottom Mounts designed for protecting oceanographic instrumentation from fishing gear and aluminum tri-pods for applications where fishing activities are not a concern but compact size for transportation is. These instrument deployment platforms are ideally suited for use with up-ward looking ADCPs and provide space for extra battery housings, and other instrumentation.

An extensive product line is available with many optional configurations providing the necessary tools for deployment and recovery of instruments in many locations and environmental conditions.

Trawl Resistant Bottom Mounts

OLYMPUS DIGITAL CAMERA
GP-TRBM
GP-TRBM Mechanical Specifications
Model GP-TRBM
Cover Material 3/8″ (9.5 mm) Urethane
Base Material 1″ (25.4 mm) Fiberglass
Gimbaled Mount Molded Urethane Ring
Fasteners 316 Stainless
Length 70″ (1775 mm)
Width 50″ (1270 mm)
Height (Outside) 22″ (558 mm)
Height (Inside) 19″ (480 mm)
Weight In Air 132 lbs. (60 kg) empty
Weight In Water 50 lbs. (23 kg) empty
MSInc Bottom Mount22
H-TRBM-65
H-TRBM-65
Model H-TRBM-65
Cover Material 3/8″ (9.5 mm) Urethane
Base Material 1″ (25.4 mm) Fiberglass
Gimbaled Mount Molded Urethane Ring
Internal Frames Type 6061 Aluminum
Fasteners 316 Stainless
Syntactic Foam 300m or 1km rated
Diameter 65″ (1651 mm)
Height (Outside) 32″ (812 mm)
Anchor Tray 6061 Aluminum
Ballast Lead

MSInc Bottom Mount3

H-TRBM-35 & H-TRBM-48 Specifications
Model H-TRBM-35 H-TRBM-48
Cover Material Polyethylene Polyethylene
Base Material 1″ (25.4mm) Fiberglass) 1″ (25.4mm) Fiberglass)
Gimbaled Bracket Molded Urethane Ring Molded Urethane Ring
Internal Support Frame Type 6061 Aluminum (zinc anode protected) Type 6061 Aluminum (zinc anode protected)
Fasteners 316 Stainless 316 Stainless
Diameter 35″ (890mm) 48″ (1990mm)
Height (Outside) 17″ (430mm) 23″ (584mm)
Air Weight (Empty) 40 lbs. (18kg) 60 lbs. (27kg)
Air Weight (Lead-60) 100 lbs. (45kg) w/lead ballast 120 lbs. (54kg) w/lead ballast
SW Weight (Empty) 10 lbs. (5kg) 20 lbs. (9kg)
SW Weight (Lead-60) 70 lbs. (31kg) 90 lbs. (41kg)
Lead Ballast 60 lbs. (27kg) disc 60 lbs. (27kg)

Tripod Systems

Mooring Systems, Inc. also manufactures a lightweight tripod style bottom mount. This open version instrument platforms is ideally suited for use with upward looking Acoustic Doppler Current Profilers.

Gimbaled mounting hardware provides proper orientation of the transducer head on sloping sea-beds. Additional mounting is available on the tripod braces for extra battery housings, and other instrumentation. An optional acoustically activated pop-up buoy with high strength Spectra line to hoist the platforms on deck allows recovery without the use of divers.

Features:

  • Dual Axis Gimbals
  • Lightweight Construction
  • Knocks Down for Compact Transportation
  • Corrosion Resistant 6061 Aluminum
  • Zinc Anodes for Added Protection
  • Removable Lead Ballast
  • Lowering Eyes (2)
  • Brackets for Additional Instrument Housings
MSInc Tripod 1
Tripod Mount System
Tripod Mount Specifications
Frame Material 6061 Aluminum
Dual Axis Gimbals Molded Urethane
Fasteners, Eye Nuts 316 Stainless Steel
Angle of Legs 45 degrees
Overall Height 20″ (0.5m)
Overall Diameter 60″ (1.5m)
Air Weight 68 lbs. (31 kg) w/Lead Ballast
Water Weight 56 lbs. (25 kg) w/Lead Ballast
Standard Lead Ballast 30 lbs. (13.6 kg)
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