Royal Row Barge Gloriana
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Mk. 1




Sonic Mk. 1 Hydraulic Drive

Sonic Mk 1 Hydraulic
Lower unit is identical to Standard MK1. Upper unit, manufactured to accept flange mounted hydraulic motors with keydrive, ie. F11-19, F11-28 and F11-39. Specials manufactured also to fit electric motors. These units can be used for main propulsion or bow thruster application maximum input torque 11kg/mtr: Sonic Hydraulic bow thruster available.

• Optional Bronze or Aluminium lower unit

• Built in shear pin -easily replaced
• Choice of Engine
• Reversed Rotation available
• Choice of propeller types
• G.R.P. base not essential
• Anode Protection
• Choice of mounting position
• Simple to install
• Choice of propeller shafts, - 12 or 17 spline, 1” or 25mm taper
• Spiral bevel Nickel Alloy gears
• No rubber diaphragm
• This Sail Drive has been designed to bolt through the hull, either on a reinforced pad or to a GRP base.

   The engine is flexibly mounted and coupled.


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