Annual Report of the Secretary of WarU.S. Government Printing Office, 1887 |
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Página 195
... Tangential Tangential No. 13 . Tangential Inside Middle Outside . 32 , 820 39 , 100 32 , 230 Mean ... 34,717 Part . Exterior diame- ter of ring . Muzzle Breach INITIAL TENSION . Width of slot . Before After rupture . rupture . Exterior ...
... Tangential Tangential No. 13 . Tangential Inside Middle Outside . 32 , 820 39 , 100 32 , 230 Mean ... 34,717 Part . Exterior diame- ter of ring . Muzzle Breach INITIAL TENSION . Width of slot . Before After rupture . rupture . Exterior ...
Página 245
... tangential contraction , exterior of tube , ( 4 R2 + 2 R12 ) P1 3 ( R12 - Ro2 ) Eo = 0.0959 thousandths . Relative tangential extension , interior of casing , ( 4 R22 + 2 R12 ) P1 3 ( R22 - R ) E = 0.1883 thousandths . For the other ...
... tangential contraction , exterior of tube , ( 4 R2 + 2 R12 ) P1 3 ( R12 - Ro2 ) Eo = 0.0959 thousandths . Relative tangential extension , interior of casing , ( 4 R22 + 2 R12 ) P1 3 ( R22 - R ) E = 0.1883 thousandths . For the other ...
Página 251
... Tangential contraction Tangential extension .. Increase in length of tube . Decrease in length of casing ( bore of tube .. exterior of tube . interior of casing . -0.1673 -0.0959 +0.1883 exterior of casing +0.0635 +0.0557 -0.021 Second ...
... Tangential contraction Tangential extension .. Increase in length of tube . Decrease in length of casing ( bore of tube .. exterior of tube . interior of casing . -0.1673 -0.0959 +0.1883 exterior of casing +0.0635 +0.0557 -0.021 Second ...
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3.2-inch breech-loading alidade annealed Appendix Arsenal axle band base ring blank cartridges block bolts brake breech breech mechanism breech-block breech-loading rifle caliber 45 carriage carrier ring cartridges cast cast-iron cent chamber Chief of Ordnance compression contract cooling cylinder Density Double hooping Du Pont's dynamite Elastic limit Elongation after rupture Exterior diameter feet field guns finished forgings front Gatling gun grooves heated hole Hook Hotchkiss inch of original Inside interior jacket June 30 lathe length manufacture Mean measured metal Middle Midvale Steel Company mortar muzzle nitro-glycerine Ordnance Department Ounces P₁ P₂ pins pounds per square powder prescribed pressure primers R₂² rear rear-sight rounds sabot Sandy Hook screws seat shell shot shrinkage shrinking Single hooping sleeve slot South Boston Iron spindle square inch steel breech-loading surface Tensile strength thread Tons Total number transom trunnion-hoop trunnions Watertown Arsenal Watervliet Arsenal weight ז ז ז