The Court Treatt Expedition 1924-1926
The Expedition Vehicles

Major Court Treatt had had experience of Crossley vehicles during  World War I when they were issued both as staff cars and tenders (light trucks) to all squadrons of the Royal Flying Corps. He also used one during his survey work for the air route and was pleased by how they coped with rough ground.

For the expedition they used two modified 25/30 chassis. These were a development of the Royal Flying Corps tender and were sold by Crossley with a variety of car bodies or with some adaption as commerical vehicles.  Fitted with a four cylinder 4,536 cc petrol engine they were rated as having a 30 cwt payload. The expedition vehicles were modified in having raised suspension, mosquito screens and a special body with a roof that could be detached and converted into a raft. This latter device was never actually used as they were abandoned not long into the journey to save weight.
Crossley BGT1

The two Crossley 25/30 light trucks photographed when new in the factory yard in Manchester.

Crossley BGT1 special roof sections

A demonstration of how the roof sections could be joined to make a boat.

After the expedition the vehicles returned to England and were taken on tour and exhibited outside cinemas where the film of the expedition was shown.

Crossley BGT1 after the Court Treatt expedition

One of the two vehicles back in the Crossley factory after the expedition.


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© Malcolm Asquith 2009