OUTRIDGES PATENT Rotary Steam Launch Engine
This is an extremely rare, vane type reversable steam engine of around 4 – 5 H.P. believed made to Outridges patent in the mid 1880’s.
Designed for small, high speed river launches, these rotaty engines were claimed to provide an excellent power to weight ratio and to achieve the then unheard of speed of 12 1/4 m.p.h!
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HARRISON & Co. Compound Marine Engine
Built in Lowestoft c1900
6″ + 12″ x 7″ Cylinders with Slide Valves, on six turned columns. With attached air, feed and bilge pumps.
A high quality launch engine. For sale unrestored, but believed complete. Offered with spares for second engine.

HERRESHOFF? Triple Expansion Marine Engine
4 3/4″ x 7 1/2″ x 12″ + 6″ Cylinders.
High speed launch engine of about 40 H.P.
Believed made by Herreshoff of Rode Island, USA.
p.v. to H.P. Cyl, s.v. to M.P. & L.P. Cyls.
C/L crank to underside frame: 6″.
Length inc base: 38″, overall: 44″
Width inc base: 16″, overall 26″ x Height: 38″.
For sale incomplete and in need of major restoration.
This is a very unusual high power to weight engine designed for a high speed launch.

TWIN HIGH PRESSURE Marine Engine
2″ + 2″ x 4 1/4″ Cylinders
29″ High, Base 12″ x 12″.
Solid disc flywheel.
In good condition.

WILLANS 3 Cylinder Steam Launch Engine
~ A ‘modern’ design, built 1880’s ~
This is a very rare, if not unique enclosed type marine engine with reversing gear.
2″ x 4 1/2″ Cylinders ~ Approx 30″ High.
A very rare small enclosed marine steam engine.
Designed for a small steam launch.
In good original condition.
Possibly the earliest Willans in existence and a museum worthy engine.

SISSONS Quadruple Expansion Marine Engine
Cylinder dimensions:
6” + 8½” +12″ + 16½” x 12” stroke
The ultimate medium sized marine engine…

3 Cylinder Steam Launch Engine + Condenser and Feed Pumps
Steam Plant Comprising
An unusual design of engine with three 4″ bore cylinders with attached air & feed pumps, plus bronze condenser.
4″ + 4″ + 4″ x 4″ Cylinders with Slide Valves.
Approx 24″ High, Bed 3 Ft Long x 13 1/2″ Wide.
In original condition.

MUMFORD Ciculating Pump Marine Engine
By A G Mumford, Engineers of Colchester.
A marine circulating pump steam engine with attached, clutchable oil pressure pump for oil firing. From a harbour service launch (HSL).
For sale in good, original condition.
SOLD

Single Cylinder Steam Launch Engine
This single cylinder reversable marine engine has a handsome cast iron backstand frame and is fitted with Stephenson type link reversing gear. Piston valve and suitable for a steam launch of around 20 – 35 Ft Length.






