| To be fair, some progress was being made in the mechanisation process; late in May 1938 the recruits already mentioned were permitted - as a great privilege - to witness the first conversion of field guns from horse to mechanical draught at the Armament and General (A&G) Workshops in Trentham. Guns converted were 18-prs Mk 1 and 2, and 4.5-in howitzers. Conversion involved removing the old wooden wheels, brake gear etc and replacing them with parts from kits made up by the American firm of Martin Parry. Production of these kits came about because the US Army also had numbers of obsolete equipments identical to our 18-prs, except that they had been made to take the French M1897 75-mm ammunition. Each kit consisted basically of two pneumatic-tyred steel disc wheels on stub axles carried on a cranked adapter which fitted over the end of the original axletree. Included were the necessary radius rods, brake gear, layers' seat brackets, etc. Conversion enabled the guns to be safely towed at speeds up to 30 mph (48 kph) on good roads, but increased the preponderance of weight on the trails in action. This was particularly noticeable with the 18-pr, making it rather harder to handle. The limber was also converted by the fitting of similar steel wheels. For some unknown reason it then became known as 'trailer'. Before and After. Shortly after the outbreak of World War 2 New Zealand received a number of tractors produced by the Marmon-Herrington Co Inc of Indianapolis, USA. These were really commercial-type Ford V8 1-ton trucks with FWD and fitted with seats in rear. Although their cross-country performance was reasonable they were not popular; little space was available, and the open rear was unsatisfactory in bad weather. Both 18-prs, Mk 1 and Mk 2, were superseded by the Mk 4 of 1920 but New Zealand carried on with obsolete equipments until 1941 when 25-prs were received. As World War 2 progressed, the Quad replaced other tractors in the British Commonwealth artilleries. With the end of the 25-pr era the use of the tractor was discontinued. |
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WL Ruffell Issue 82 June 1994 |
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