About: 7.5x55mm Schmidt Rubin   Sponge Permalink

An Entity of Type : dbkwik:resource/IRCSUQkPFNSQ19SarJ-CSw==, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

|- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" | 7.5x55mm GP11 |- | colspan="3" style="text-align: center; font-size: 90%; border-bottom: 1px solid #aaa; line-height: 1.25em;" | Image:Ammunition 7x57.jpgTwo 7x57 cartridges (left) next to a 7.5x55mm / GP11 (mid), .308 Win (right) and .223 Rem (far right) | Service history | Production history |- ! style="padding-right: 1em;" | Designer | colspan="2" | Eduard Rubin |- ! style="padding-right: 1em;" | Designed | colspan="2" | 1889 |- | Specifications |- in ) in ) in ) in ) in ) in ) in ) in ) psi ) |- |- |- |- |- " | gr (g) m/s)

AttributesValues
rdf:type
rdfs:label
  • 7.5x55mm Schmidt Rubin
rdfs:comment
  • |- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" | 7.5x55mm GP11 |- | colspan="3" style="text-align: center; font-size: 90%; border-bottom: 1px solid #aaa; line-height: 1.25em;" | Image:Ammunition 7x57.jpgTwo 7x57 cartridges (left) next to a 7.5x55mm / GP11 (mid), .308 Win (right) and .223 Rem (far right) | Service history | Production history |- ! style="padding-right: 1em;" | Designer | colspan="2" | Eduard Rubin |- ! style="padding-right: 1em;" | Designed | colspan="2" | 1889 |- | Specifications |- in ) in ) in ) in ) in ) in ) in ) in ) psi ) |- |- |- |- |- " | gr (g) m/s)
Length
  • 77(xsd:double)
btype
  • SP
dcterms:subject
dbkwik:publicsafet...iPageUsesTemplate
BW
  • 130(xsd:integer)
  • 150(xsd:integer)
  • 180(xsd:integer)
  • 200(xsd:integer)
balsrc
  • Cartridges of the World
primer
  • Large rifle
Service
  • 1889(xsd:integer)
En
  • 2608(xsd:integer)
  • 2642(xsd:integer)
  • 2658(xsd:integer)
  • 2700(xsd:integer)
Name
  • 7(xsd:double)
Type
  • Rifle
Caption
  • Two 7x57 cartridges next to a 7.5x55mm / GP11 , .308 Win and .223 Rem
vel
  • 2460(xsd:integer)
  • 2570(xsd:integer)
  • 2820(xsd:integer)
  • 3000(xsd:integer)
case length
  • 55(xsd:double)
Wars
  • World War II, First Indochina War, Algerian War, Suez Crisis, Vietnam War
Base
  • 12(xsd:double)
is SI specs
  • yes
neck
  • 8(xsd:double)
case type
  • Rimless, bottleneck
rim dia
  • 12(xsd:double)
Used by
  • Switzerland
rim thick
  • 1(xsd:double)
case capacity
  • 4(xsd:double)
rifling
  • 270.0
Bullet
  • 7(xsd:double)
production date
  • 1889(xsd:integer)
max pressure
  • 380(xsd:integer)
shoulder
  • 11(xsd:double)
design date
  • 1889(xsd:integer)
Variants
  • GP90, GP90/03, GP90/23, GP11
Designer
  • Eduard Rubin
abstract
  • |- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" | 7.5x55mm GP11 |- | colspan="3" style="text-align: center; font-size: 90%; border-bottom: 1px solid #aaa; line-height: 1.25em;" | Image:Ammunition 7x57.jpgTwo 7x57 cartridges (left) next to a 7.5x55mm / GP11 (mid), .308 Win (right) and .223 Rem (far right) |- ! style="padding-right: 1em;" | Type | colspan="2" | Rifle |- ! style="padding-right: 1em;" | Place of origin | colspan="2" | Image:Flag of Switzerland.svg Switzerland |- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" | Service history |- ! style="padding-right: 1em;" | In service | colspan="2" | 1889-present |- ! style="padding-right: 1em;" | Used by | colspan="2" | Switzerland |- ! style="padding-right: 1em;" | Wars | colspan="2" | World War II, First Indochina War, Algerian War, Suez Crisis, Vietnam War |- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" | Production history |- ! style="padding-right: 1em;" | Designer | colspan="2" | Eduard Rubin |- ! style="padding-right: 1em;" | Designed | colspan="2" | 1889 |- |- ! style="padding-right: 1em;" | Produced | colspan="2" | 1889-present |- |- ! style="padding-right: 1em;" | Variants | colspan="2" | GP90, GP90/03, GP90/23, GP11 |- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" | Specifications |- |- ! style="padding-right: 1em;" | Case type | colspan="2" | Rimless, bottleneck |- ! style="padding-right: 1em;" | Bullet diameter | colspan="2" | mm (in ) |- ! style="padding-right: 1em;" | Neck diameter | colspan="2" | mm (in ) |- ! style="padding-right: 1em;" | Shoulder diameter | colspan="2" | mm (in ) |- ! style="padding-right: 1em;" | Base diameter | colspan="2" | mm (in ) |- ! style="padding-right: 1em;" | Rim diameter | colspan="2" | mm (in ) |- ! style="padding-right: 1em;" | Rim thickness | colspan="2" | mm (in ) |- ! style="padding-right: 1em;" | Case length | colspan="2" | mm (in ) |- ! style="padding-right: 1em;" | Overall length | colspan="2" | mm (in ) |- ! style="padding-right: 1em;" | Case capacity | colspan="2" | 4.22 cm³ (65 gr H2O) |- ! style="padding-right: 1em;" | Rifling twist | colspan="2" | 270 mm (1 in 10.63 in) |- ! style="padding-right: 1em;" | Primer type | colspan="2" | Large rifle |- ! style="padding-right: 1em;" | Maximum pressure | colspan="2" | MPa (psi ) |- |- |- |- |- |- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" | Ballistic performance |- style="text-align: center; font-size: 90%; background: #DEDEDE;" cellspacing="0" cellpadding="0" ! Bullet weight/type ! Velocity ! Energy |- style="text-align: center; font-size: 90%;" | style="vertical-align:middle; border-bottom: 1px dotted #aaa; " | gr (g) SP||style="border-bottom: 1px dotted #aaa; "| ft/s (m/s) ||style="border-bottom: 1px dotted #aaa; "| ft·lbf (J) |- style="text-align: center; font-size: 90%;" | style="vertical-align:middle; border-bottom: 1px dotted #aaa; " | gr (g) SP||style="border-bottom: 1px dotted #aaa; "| ft/s (m/s) ||style="border-bottom: 1px dotted #aaa; "| ft·lbf (J) |- style="text-align: center; font-size: 90%;" | style="vertical-align:middle; border-bottom: 1px dotted #aaa; " | gr (g) SP||style="border-bottom: 1px dotted #aaa; "| ft/s (m/s) ||style="border-bottom: 1px dotted #aaa; "| ft·lbf (J) |- style="text-align: center; font-size: 90%;" | style="vertical-align:middle; border-bottom: 1px dotted #aaa; " | gr (g) SP||style="border-bottom: 1px dotted #aaa; "| ft/s (m/s) ||style="border-bottom: 1px dotted #aaa; "| ft·lbf (J) |- style="text-align: center; font-size: 90%;" |- | colspan="3" style="text-align: center; padding-top: 5px; font-size: 90%;" | Source: Cartridges of the World |} The 7.5x55mm Swiss or GP11 (or unofficially 7.5x55mm Schmidt Rubin) is a cartridge developed for the Swiss Army by Eduard Rubin for rifles based on Rudolf Schmidt's action design. The ammunition used by the Schmidt-Rubin Model 1889 rifle was one of the first to use 7.5 mm copper jacketed rounds similar to those used today. The 7.5x53.5mm round designed by Colonel Rubin was revolutionary in that most of the bullets used in Europe at the time were around 12.7 mm as opposed to 7.5 mm of the Schmidt-Rubin ammunition. Strangley enough the round was "paper patched" meaning the actual bullet was surrounded by a piece of paper, much like cotton patches were placed around the bullet of a musket. Paper patching the round was supposed to aid in the gas seal of the bullet.
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