Institution of Mechanical Engineers (Great Britain)
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Mr. Hen SON thought the break was an ingenious principle, but did not quite approve the application ; and he thought the ordinary breaks would afford more retarding power when they were made not quite to stop the wheels. A good breaksman knew Digitized by VjOOQ IC 24 RAILWAY CAB.RIAOE BREAK. that by keeping the break-block pressed against the wheel with a little less force than would stop the wheel from revolving, he could produce a greater friction than by skidding the wheels. Mr. Clift doubte...d the durability of the bottom shoe-plates, and thought they would be continually wanting to be renewed, which would involve great practical inconvenience and expense. Mr. Adams observed that there was a great troable and expense with the present breaks, in constantly changing the wcN>d break- blocks, which wore out in a very short time where there was much work to be done. If the whole weight of the carriage were sledged, that must be the limit of breaking power, but it was clearly a bad mechanical arrangement to sledge it on the mere points of contact of the wheels on the rails.
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