. The railroad and engineering journal . the trial extended over a distance of 6knots only; No. 50 covered above 11 times that distanceon her official trial. In 1878 torpedoes were ejected fromcradles which had to be lowered into the water alongside,to effect which operation the boat had to be brought to astand-still. Having then hardly any movement throughthe water, she would have next to no steerage-way ; prac-tically, therefore, no aim could be taken except in the Twelve-ton Steam Traveling Crane. THli accompanying illustrations (from the London En-ginecrhii;) shovi a 12-ton steam crane of
. The railroad and engineering journal . the trial extended over a distance of 6knots only; No. 50 covered above 11 times that distanceon her official trial. In 1878 torpedoes were ejected fromcradles which had to be lowered into the water alongside,to effect which operation the boat had to be brought to astand-still. Having then hardly any movement throughthe water, she would have next to no steerage-way ; prac-tically, therefore, no aim could be taken except in the Twelve-ton Steam Traveling Crane. THli accompanying illustrations (from the London En-ginecrhii;) shovi a 12-ton steam crane of the Goliathpattern, in use at the works of the Darlington Wagon &Engineering Company, Limited, at Darlington, iron work ot the crane was made by that company,the engines by Job Isles, of Leeds. The crane has a span of 60 ft. from center to center ofthe main rails, and a clear height of 28 ft. from the headof the main rail to the lowest portion of the fish-belliedgirders. It is driven with a pair of diagonal engines, hav-. TWELVE-TON STEAM GOLIATH CRANE AT THE DARLINGTON ENGINKERING WORKS. DARLINGTON, ENGLAND. smoothest water, and even then the torpedo could only bedirected in a line parallel to the keel. In fact, the wholebusiness was little better than a farce from the point ofview of actual warfare. Now the weapon can be ejectedby a single movement of the officer in charge, through arange of angle embracing the greater part of the horizon,while the training is done from below. The increasedmanoeuvring powers due to the improved form of sternare also an important factor in estimating the relativevalue of the types of the two periods. Another point thatmay be mentioned is the absence of viliration, a featurevery characteristic of No. 50. It is satisfactory to think that this improved boat hasbeen built for our, own Navy, and we congratulate theAdmiralty officials upon their foresight and perseverance. ing cylinders 6i in. in diameter by lo-in. stroke, with re-versin
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Keywords: ., bookcentury1800, bookdecade1880, bookidrailroadengi, bookyear1887
