English Trials of Agricultural Motors.
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A Gold Medal is Offered by the Royal Agricultural Society.
1. For the purposes of these Trials, an "Agricultural Motor" may be described as any form of motor using either steam, oil, petrol, or electricity as its motive power, which (a) Shall be capable of hauling direct in work a plough, cultivator, harvester, or other agricultural implement. (b) Shall be capable of driving such agricultural machines as a threshing machine, chaff cutter, grist mill, etc.
(c) Shall be capable of hauling a. load along a road and on the land.
2. The machines shall be tested for efficiency in carrying out all three classes of work.
Fuel Consumption.
3. The Trials shall consist of ploughing with a threefurrow plough an area of about six acres, one part of which shall be ploughed shallow and the other part deep at the discretion of the Judges. 4. The fuel, water and other supplies consumed throughant the Trial will be carefully noted and compared with the weight of earth removed.
Ploughing and Cultivation.
5. Further trials on various classes of land with multiple ploughs, and with other cultivating implements to be provided by the competitors, with which they may wish their tractors to be tried, may be made at the discretion of the Judges. 6. Special attention will be paid in the ploughing arm cultivating Trials to the weight of machine traversing the land. The space and time occupied in turning at the headlands, and the manner in which the work is finished off.
Harvesting.
7. This Trial will consist of hauling one or more selfbinding reapers of not lass than 6 ft. in width round a plot of given area, cutting as far as practicable on all sides.
Traction Trial.
S. A course will be set out over roads and land selected by the Society, and each competitor shall declare before starting what weight he is prepared to haul over such course, the fuel, water, and other supplies consumed during the Trial will be noted. With selected motors billclimbing trials may be made. Motors must conform to the requirements of Acts of Parliament.
Machine Driving.
9. Each motor will be tested driving on to a pulley on a countershaft fitted with a brake. The diameter of pulley, speed of countershaft and load on brake assimilating to those of a threshing machine. JO. The time taken and attendance given will be noted in all trials.
11. Implements, unless otherwise stated, will be provided by the Society. Fuel.
12. The fuel, whether solid or liquid, will be provided by the Society. The coal will be Welsh steam coal of uniform quality, and the petroleum or other liquid of one of the recognized brands. 13. Each competitor to state how many men will be required to attend to the machine. 14. The following are some of the points to which special attention will be directed :— (a) Weight of machine. (b) Weight per inch width of wheel. (c) Mechanical design and construction. (d) Adaptability to various kinds of work.
(e) Ease of handling. ( f ) Safety of handling. (y) Ease of turning and space required for same.
(h) Facility for attachment. (i) Attendance necessary. (j) Consumption of fuel, water and other supplies per unit of work done. • (k) Price.