Royal Row Barge Gloriana
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Type 1



Type 1 Catamaran Drive

Sonic Type 1

developed from the Sonic 100 - incorporates sterndrive features of the 100 and is available in lengths of 800, 900 and 1000 mm between centre of input flange and prop shaft. Maximum input torque 10kg/mtr.


SONIC TRANSMISSION UNITS are designed with service in mind.

The rugged, but well engineered construction enables complete overhauls to be carried out with minimum tools, which is a facility not always possible with other “mass produced” drives.

for Diesel or Petrol Engines — 60 b.h.p. at 5,000 r.p.m. petrol
40 b.h.p. at 3,000 r.p.m. diesel

F.N.R. Gears (Inbuilt gearbox)



Designed for direct connection to engine flywheel via a flexible coupling.
Astern lock engages automatically when engaging astern gear.
Simple 6 bolt fixing template supplied.
Engine input rotation clockwise or counter clockwise.
Accept LH or RH propellers.
Steerable affords extra manoeuverability to your cat.
14” Diameter propeller
Marine grade alloy casing.
Nickel alloy gears.
Double propshaft seals.
Sacrificial anode provision

Sail drives may be connected to the engine using a double polymer flexible coupling with gearbox adaptor plate pictured right.



  Click here to go to DOWNLOADS section for SonicType 1 CATAMRAN DRIVE INSTRUCTION MANUAL