File:Chemical development Section (and) Mechanical Research and Development Section; summary of achievements, 1917-1918 (1918) (14784177892).jpg

Identifier: cu31924030765899 (find matches)
Title: Chemical development Section (and) Mechanical Research and Development Section; summary of achievements, 1917-1918
Year: 1918 (1910s)
Authors: United States. Army. Chemical Corps
Subjects: Chemical warfare
Contributing Library: Cornell University Library
Digitizing Sponsor: MSN

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f completing experimental work at theUniversity» the development on the problem had progressedto where the shells could be fired from a Stokes mortar andthe float light ejected without damage, and functioning asto ignition. A number of tests of shells fired staticallyunder water demonstrated that the Igaition und^r these con-ditions would be satisfactory, while the problem was notcompleted, and final tests have not been made of the shellsfired from the regular 4 naval gun, the work had been pushedas far as was possible at the time of shutting down of allexperimental work. Airplane Signalling. This problem was taken up at the re-quest of the Pyrotechnic Section to assist in putting intomechanical shape a float light that could be thrown from anairplane, to give a marker for landing on water in darkness.The development required a container of a pyrotechnic thatwould float on the water in a stable condition, and ignition means for the pyrotechnic, and a parachute or other means to -115-
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AIRPLAW3 FLOAT LIGHT guide it during its flight tiarough the air. Two types weretried out, -gad one of these found satisfactory on ail theppints required, The only difficulties encountered in thewhole development were with ignition, and these caused theNavy Department to abandon the development for a time andconsider a float light proposed by a Pyrotechnic coiicern.This latter, however, did not prove successful and work wasagain started with the Pyrotechnic Section to allow them toperfect suitable ignition means for the flare mixture. Thiswork had not been completed when experimental development wasstop-oed at the University. Catapult for Experimenting with Airplane Signals. Thisapparatus was designed and built on account of the difficultyin being able to secure an aiarplane at all times from whichto make experiments. The catapult, as constructed, was capa-ble of ejecting the landing signals being experimented withat a velocity approximat ing that of an airplane in flight.The action o

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