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Flexible Engine Mountings

Flexible Engine Mountings

Flexible Engine Mountings

Product catalog summary
Overview: R & D Marine provides a variety of engine mountings designed for different installations, offering effective vibration isolation and a fail-safe design. These mountings are competitively priced and distributed globally.
Specifications: The mountings support a capacity range from 30 to 2000 lbs per mount. They are pre-loaded and include slotted holes and height-adjusting studs for easy alignment. The fail-safe design can endure roll-over tests.
Types of Mountings:
  • Shear Mountings: Best for installations needing superior isolation.
  • Compression Mounts: Suitable for confined spaces.
  • Double Acting Shear Mounts: Feature two rubber elements for enhanced isolation and control.
Product Features:
  • Available in standard sizes with a wide stock range.
  • Capable of handling propeller thrust.
  • Quick installation process.
  • Global availability through a distribution network.
Installation Details: Ensure the clearance between the height adjusting nut and top washer does not exceed 10mm. Use spacers if additional height is needed.
Contact Information: R & D Marine, Meadow Works, Clothall Road, Baldock, Hertfordshire, England, SG7 6PD. Tel: +44 (0)1462 892391, Fax: +44 (0)1462 896448, Email: [email protected], Website: www.randdmarine.com
Additional Specifications:
  • Mount Pre-loaded: 3mm (0.12 inch)
  • Deflection: 3-6.4mm (0.012-0.25 inch)
  • Height Adjusting Nut Thickness: 16mm (0.63 inch)
Heavy Duty Circular Shear Mounting:

Designed for superior vibration isolation with an oil shield to protect the rubber.

  • Part No 800-055: Capacity per mount 228-546 kg (500-1201 lbs)
  • Part No 800-056: Capacity per mount 296-682 kg (650-1501 lbs)
  • Part No 800-057: Capacity per mount 400-910 kg (880-2001 lbs)
Double Acting Shear Loaded Mounting:

Features two rubber elements pre-loaded against each other for excellent isolation and control in challenging installations.

  • 5/8 Stud Part No 800-032: Capacity per mount 46-190 kg (100-420 lbs)
  • 5/8 Stud Part No 800-034: Capacity per mount 73-305 kg (160-670 lbs)
  • 3/4 Stud Part No 800-042: Capacity per mount 73-305 kg (160-671 lbs)
  • Mount Pre-loaded: 4.8mm (0.19 inch)
  • Deflection: 4.8-7.6mm (0.19-0.30 inch)
  • Height Adjusting Nut Thickness: 14mm (0.55 inch) for 5/8 Stud, 11mm (0.43 inch) for 3/4 Stud
  • Maximum Height: 153mm (6.0 inch)
Units of Measurement: Black - Millimetres, Red - Inches
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Catalog excerpts

Flexible Engine Mountings-1

Flexible Engine Mountings R&D Marine has developed a comprehensive range of fail safe competitively priced Engine Mountings to fit all major installations. Shear mountings are available where good isolation is required and compression mounts where there is a restriction on the available space. Installation is made as quick and easy as possible with slotted holes and height adjusting studs to simplify alignment. Products are available ex-stock and worldwide through our distribution network. Good vibration isolation Fail safe design Will withstand roll over test Competitively priced Wide range of stock Available in standard sizes Accepts propeller thrust Slotted holes to assist Height adjusting to simplify Fast installation time Worldwide availability

 Open the catalog to page 1
Flexible Engine Mountings-2

R&D Marine Engine Mountings How to select (details required) 1. Engine type, number of cylinders 2. Type of gearbox and reduction ratio 3. Weight of engine and gearbox combined by weighing or manufacturers literature 4. Is flywheel in conventional place between the engine and gearbox 5. Position of engine mounting points 6. Find centre of gravity by balancing on a roller (if possible) Weight on each front mount = Wx_b Weight on each Rear Mount = WiL§ Front Mount Point Example : Total weight of engine and gearbox = 1200 lbs Distance a (balance point to front mount) = 17 inches Distance b (balance...

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Flexible Engine Mountings-3

Rectangular Shear Mountings The R&D Rectangular Shear Mountings offer low height with the best combination of stiffness. Soft vertically and at right angles to the crankshaft to isolate vibration, stiff fore and aft to take the propeller thrust. R&D MARINE SMALL SHEAR LOADED MOUNTING This mounting has a low height giving good vibration isolation Part No Capacity per mount Part No Capacity per mount Mount Pre-loaded 1.8mm 0.07 inch Height adjusting nut thickness : 10mm 0.39 inch I 14mm 0.55 inch Maximum height: 99mm 3.9 inch I 116mm 4.57 inch 'X' Dimensions on initial installation should not be...

 Open the catalog to page 3
Flexible Engine Mountings-4

R&D Marine Engine Mountings Circular Shear Mountings R&D MARINE HEAVY DUTY CIRCULAR SHEAR MOUNTING This mounting is designed to give excellent vibration isolation and is fitted with an oil shield to Part No Capacity per mount Mount Pre-loaded 3mm 0.12 inch Height adjusting nut thickness 16mm 0.63 inch R&D MARINE HEAVY DUTY CIRCULAR SHEAR MOUNTING This mounting is designed to give excellent vibration isolation and is fitted with an oil shield to Part No Capacity per mount Mount Pre-loaded 3mm 0.12 inch Height adjusting double nut and washer thickness Double Acting Mounting R&D MARINE DOUBLE ACTING...

 Open the catalog to page 4

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.