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Model Engineering Glossary: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Engine Configurations

Various configurations of engine have been developed over the years for power, low noise and vibration, economy or weight.

Single Cylinder - Horizontal

The first internal combustion engines were single cylinder designs and mostly stationary engines.

Some model engines of this configuration: Mick Cherry′s Hit and Miss Engine, Loyal Cycle Engine, Gas Engine based on Joe Webster′s Design


Inline Twin

This is a model two-stroke engine with a displacement of 0.5 cu. in. (built by N. Taylor)


Opposed Twin

A model opposed twin four-stroke (built by Bob and Ron Lane).


V Twin

Two-cylinder engine with the cylinders arranged in the shaped of a V when looking along the line of the crankshaft.

A fine example of the Les Chenery designed V-twin. Les Chenery designed a number of model engines.

This particular engine is a 15cc four-stroke with overhead valves. Also, note that this is a 90° V - the character of the engine changes with the angle of the V and the configuration of the crank.

More V-Twin Model Engines

I3

Inline 3 cylinder engine.

W3

Anzani 3 cylinder.


3 Cylinder Radial

3 cylinders arranged equally spaced around a common crankshaft.

A 48cc petrol three cylinder Anzani engine 1910Y type as used in the Deperdussin monoplane an example of which is at the Shuttleworth Collection at Old Warden. Model by Mick Cherry - Anzani.

Also know as a "Y" configuration.

I4

A model Cirrus engine.


1/4 scale (3" scale) model of a De Havilland Gypsy 1.


1/3 scale part built model of the 1933 Austin 7 engine.


Flat 4

A model flat 4 four-stroke engine with a displacement of 32cc (built by Bob and Ron Lane).


V4

Four-cylinder engine with the cylinders arranged in two banks of 2 and the shape of a V when looking along the line of the crankshaft.

I5

V5

5 Cylinder Rotary

Note that with a rotary engine the crankshaft is fixed and does not rotate, the propeller is fixed to the crankcase and the whole crankcase rotates with the propeller.

This particular image is of a 5 cylinder air engine - description of the build

5 Cylinder Radial

5 cylinders arranged equally spaced around a common crank.

This shows the crankcase and cylinders for a model engine designed by Mr David Johnson (he did the design while he was an engineering student). Model by Mick Cherry - 1/6th Scale Kinner Radial


I6

V6

Six-cylinder engine with the cylinders arranged in two banks of 3 and the shape of a V when looking along the line of the crankshaft.

Flat 6

Where we have images of fullsize engines we would like to replace these with model engines - if you can help it would be great to hear from you editor@glue-it.com


7 Cylinder Radial

The 7 cylinders are space evenly around the crank centre line with 1 crank pin.



I8

8 cylinders arranged inline with a single crank.

V8

Eight-cylinder engine with the cylinders arranged in two banks of 4 and the shape of a V when looking along the line of the crankshaft.

I don′t know the details of this model or who built it - if you know then do drop me a line editor@glue-it.com

Flat 8

W8

9 Cylinder Rotary

Rotary engines were used extensively in early aircraft.

Note that with a rotary engine the crankshaft is fixed and does not rotate, the propeller is fixed to the crankcase and the whole crankcase rotates with the propeller.


1/5th scale Gnome Monosoupape Engine.

A single exhaust valve is in the cylinder head, the inlet a valve in the centre of the crown.


9 Cylinder Radial

V10
Ten-cylinder engine with the cylinders arranged in two banks of 5 and the shape of a V when looking along the line of the crankshaft.

V12

Twelve-cylinder engine with the cylinders arranged in two banks of 6 and the shape of a V when looking along the line of the crankshaft.


Flat 12

W12

14 Cylinder Radial

1850hp Wright R-2600-29 Cyclone 14-cylinder radial.

Note that this is effectively two 7 cylinder radials back to back with the rear bank of cylinders being rotated half the cylinder to cylinder spacing.



V16
Sixteen-cylinder engine with the cylinders arranged in two banks of 8 and the shape of a V when looking along the line of the crankshaft.

H16

18 Cylinder Radial

H24

The Napier Sabre III, twenty four-cylinder liquid cooled horizontally opposed, H-shaped sleeve valve engine, 2250hp at 4000rpm, bore 127mm stroke 121mm, weight 1066kg. The basic design is that of two flat horizontally opposed 12 cylinder engines geared onto a common shaft.


Looking for inspiration to build a new engine? Try our photographic reference site - glue-it.co.uk.

See also: Engines

Model Engineering Glossary: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z