Contributions from Drivers and Mechanics.
Page 19
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TEN SHILLINGS WEEKLY for the Best Communication Received, and One Penny a Line of ten words for any thing else published.
Drivers of commercial-motor vehices and traftors, and mechanics and foremen of garages or shops, are invited to send short contrioutions on any subject which is likely to prove of interest to our readers. Workshop tips and smart repairs ; long and successful runs; interesting photographs 7 all are suitable subjects. Send a post-card, or a letter, or a sketch to us—no matter h,,w short, or how written, or how worded. We will "knock it into shape" and prepare sketches, where necessary, before publication. The absence of a sketch does not disqualify for a prize. When writing use one side of the paper only and memion your emPloyer's name as a guarantee of bona fides. Neither your own nor your employer's name. will be disclosed. Payment will be made immediately after publication. Address your letters to The Editor, THE COMMERCIAL MOTOR, 7-15, Rosebery Avenue, London, E.G.
More Dodges for Tight Bushes.
Phe sender of the fa/towing communication has been awarded the 10s. prize this week.
r75rli " A.L." (Notting Hill) writes:—" From time to time, you have published useful tips for drawing tight bushes [Letters No. 716, 706, 520, 433, etc.—ED.]. Most of these, however, have had reference only to bushes of over one inch in diameter. I now beg to submit to von sketch showing two simple and effective tools for drawing
bushes of smaller size, when the draw bolt has to be put through the bush from the outside.
" I originally schemed these little dodges because I had to draw some valve-tappet-guide bushes from the case of a Metallurgique engine. There were two bushes to each guide, as shown in one of the sketches. There were, therefore, 16 bushes in all, so that it was worth making special preparations in order to do the job pro-. perly. The outside diameter of each bush was 13 in., and the bore was 3 in. I turned the head of a ii in. bolt, so that it would just go through the bush. In order to keep the head of this bolt under the edge of the hush, I made a small eccentric washer, whose outside diameter was equal to the bore of the bush, and in which a hole was drilled to fit the bolt itself. With a. suitable piece of plate and two packing pieces, I was then able to draw the top lot of bushes quite easily. I found, however, that I could not draw up the bottom bushes with this method, and this was probably because the bushes had been driven in from inside and were slightly taper. I got out of the difficulty by making another arrangement, also shown in the sketch. Instead of the eccentric washer, which I used in the first. dodge, I made two wings of in. steel. T cut a recess in each of these, 3 in. deep, with a in. pin cutter, after the e, in. hales for the bolt had been drilled in them. I then finished them by tiling the ends. One end of each wing I made to the same radius as the, recess, and the others were just good enough to pass through the bush. The method of use is obvious. The tool is placed through the bush, and, when both the wings are below the bush, one can be worked round with a piece of wire, until it drops into the other."
More Foden Satisfaction.
[755] " DD." (Kettering) writes :—" I have, from time to time, seen accounts of the running of -Focien wagons, which have been published in the ' C.M.,' and, on that account. I thought, perhaps, a few notes with regard to our wagon might not be out of place. I enclose you a. small photograph of the machine, which was delivered in .Tune, 1906. [We reproduce this herewith.—ED.] We have never had to spend a night out on account of a breakdown; we have always delivered our load.
"Only once have we been near taking off our load to effect a repair, and that was when we had some leaky tubes, about six miles from home. We had a load of 7i tons aboard, but I managed to get into the yard on low gear, with only 50 lb. of steam left in the boiler. The last 300 yards was down hill, so that, as I was clean run out of water. I uncoupled the trailer, turned the wagon round, coupled up again, and so ran down backwards into the yard, where I immediately drew the fire to avoid dropping the plug. Had I attempted this last few yards in a forward direction downhill, T should certainly have lost the plug.
" We sometimes run 24 miles, outwards loaded and back light, on one tank of water and 2 cwt. of coal. On our last truck load of coal of 10 tons 15 cwt., we ran 2,145 miles. We very seldom have light return journeys.
"During the four years that we have had the wagon, we have only had to have the tubes seen to twice, and the back-axle bearings have been renewed and the tires reshod once."