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.
Related Items

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.

RANSOMES, SIMS & JEFFERIES Compound Marine Engine
With Radial Valve Gear
Approx 35 H.P.
~ Built c1905 ~
Complete with boiler, propeller and auxiliaries.
For sale in original condition.

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

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

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.

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!

US Navy Compound Marine Engine
A small marine engine probably designed for coastal craft and built for the US Navy.
5 3/4″ + 12″ x 8″ compound cylinders.
“Type M”
Engine No. 1546 – built 1918.
With brass lagging. Some loose components as shown.
Appears to be in nice original condition.




