The sun. [volume] (New York [N.Y.]) 1833-1916, 1898-08-21

structure by four holding in bolts 1,5 inches
~ diameter which passed through the backing.
The plate had a good surface and general APP
l;5 to ~ inches; The 6-inch breech-loading
rifle was used. with Carpenter armor piercing
stated suS'si' here t GEsls thes test sto Of PtRRs e Ssinc + H Ray Se
made with a 5-inch gun. Three rounds were
but It withstOod the attack successfully.
First hound-Powder charge 22.25 pounds,
dupont smIokeless striking velocity by erono-
2IS3l foot tons. The projectile smashed on the
P,a{e, ana 4nly a small portion OF the point re-
and base Of the proiectile was found in one
piece In front OF the plate. The plate was not
cracked, nor was injury done to the backing.
Second Roupd-Powder charge 25,s pounds
o. dupont smokelessi striking velocity, 2,237
tons teSs pS H. seS Sp6iacti sitri kn energy Energy RE 3;dS9 . foot Dot
atter attaining an estimated penetration Of
lou inches. The plate was not cracked. and
aD Injury was done to the backing. bolts or
os IIiTEhird RoundaPowder charge 25 pounds:
s SaiIiH5Gi SsIo smlSk 8 ss ,I perforated SgS ssIor eylinder;
ing energy. 3.S38 foot tons. This round indi-
Saied 2 exact resistance, OF the plate, as the
p~roleetile was broken up, no cracks whatever
SECURING GI3 In the plate, and the remarkable re-
Set to OBTAINED showed the armor TO be the best
These are, the usual tests. but an additional
one was made, Afourth round was fired with
the c otbers Rbr eIN 2 cS Weighing io+ oq md AL al
test OF a capped proiectile against n Kruppized
hLate since this arlnor was introduced. al
though the efficiency OF the capped projectile
against Haryeylzed armor has been repeatedly
Gemonstrated. The powder charge was 22.a
pounds OF Dupont smokeless; striking velocity.
~ t;99 get per second; striking energy, 1887
IN every test OF Haryeylzed nrmor. the capped
RHroleetlle penetrated the plate and backing.
fne hrupplzed plate. however, was too tough
b " the pr3Ieetil9 to get through whole and It
SsaRpel pr?lectile against. Harveyized, plate q
42IanGn p~Iolectlle has perforated ten, inches OF
c maTV1ylzed armor, the, proiectlle being re;
covered IN good condition and not smashed
UP" as In the recent test.
me most notable example of the endurance
= a capped proJcctile against Harveylzed armor
men l05.25-pound shot against a 1O-inch Har-
NeylTed plate. Az the thickness of the plate
used n this test was four inches greater than
Of 1905 feet a second was given, 05i feet a see
ohd more than In the test OF the capped projec-
we 2 AGAINST the 0.ineh K~ruppiEod plate. which,
cain % ~ nosed' was attacked with the same
inch. Haryeyized plate. The oficiaI report Of
th i HGsE OF the 6-inch capped proiectile against
Wy Trbbo NJ haryeyized plate says:
mimE boiler plates, and was recovered eight feet
~ me sand, entire, with the exception OF one.
h han OF me base broken on %diagonally 10 the
ilS sStiIe was In excellent condition, with the point
ITnOIe; the head slightly scored, increased In
2HlaSmeter at the bourrelet 10 inch, and in body
sHsIaee longitudinal cracks were made In the
the head IL Inches and ) iscSss. rs a1DS
sIs@ssss' 81 s6os h Ct tssS 81 P PSsSs saf in SsSHlppIs sSt
~ SOlG sRSOtki ii tSs StsS SsSa sSStsd witE