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Clerget WW1 Rotary Engine

Royalty Free License
- Editorial Uses Allowed
Extended Uses May Need Clearances
The intellectual property depicted in this model, including the brand "sopwith", is not affiliated with or endorsed by the original rights holders. Editorial uses of this product are allowed, but other uses (such as within computer games) may require legal clearances from third party intellectual property owners. Learn more.
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3ds Max 2009

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3D Model Specifications
Product ID:492605
UV Mapped:Unknown
Unwrapped UVs:Unknown
TurboSquid Member Since July 2009
Currently sells 119 products
Product Rating
1 Rating Submitted

Legal Notice: The intellectual property depicted in this model, including the brand "sopwith", is not affiliated with or endorsed by the original rights holders.

This is a very highly detailed model of the Clerger rotary aircraft engine which was used in a number of aircraft such as the Sopwith Camel.

This model is rendered in vray and uses vray materials but the model can easil;y be used in any render engine by giving it mental ray materials or the likes.


The Clerget was an early rotary aircraft engine. Manufactured in both Great Britain (Gwynne Limited) and France, it was used on such aircraft as the Sopwith Camel.

What distinguished the Clerget from its rivals (Gnome and Le Rhône) was the Clerget had normal intake and exhaust valves unlike the Gnome, and the connecting rod arrangement was much simpler than the Le Rhone. A source of failure among the Clerget engines were the special-purpose piston rings, called obturator rings. These were located below the wrist pin to block heat transfer from the combustion area to the lower part of the cylinder and overcome their subsequent distortion. These rings were often made from brass and only had a lifespan of a few hours. The Clerget engines were considered reliable but they cost more per unit to produce than their rivals. Unlike other contemporary rotaries in which the ignition system was either switched on or off to provide a rudimentary form of engine speed control, the Clerget featured a throttle.


General characteristics:

Type: 9-cylinder air-cooled rotary
Bore: 120 mm (4.72 in)
Stroke: 150 mm (5.91 in)
Displacement: 15.27 Litres (931.7 cu in)
Dry weight: 166 kg (365 lb)


Fuel system: carburetor
Cooling system: air
Power output: 110 hp (82 kiloWatts) at 1,200 RPM (bmep=77.9psi)
Fuel consumption: 10 imp gal/h (45 L/h)
Oil consumption: 2 imp gal/h (9 L/h)
Power-to-weight ratio: 3.3 lb per rated hp (2 kg/kiloWatts)


If this model is of interest to you, i will be building several more ww1 engines and i also have high detailed plane models available for purchase, Click my name to check them out.

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