328:
429:
at 500 yards (460 m) and a 30-degree angle of attack, whereas the AP shells of the others penetrated between 57 mm and 76 mm in
Normandy during 1944. The AP shell for the 75 mm gun was a 15 lb (6.8 kg) projectile with a couple of ounces (60 g) of HE filling propelled by
311:
into modified
British tanks, the Royal Ordnance factory modified the 6-pounder design by boring out the barrel and adapting the breech to fire the US round. The resulting gun could then be fitted without redesigned tank mountings and dramatically simplified supply since both British-made and
360:. The M48 fuze could be set for impact detonation ("Superquick") or delayed detonation; when in "Superquick" setting the delay would set the shell off if the impact did not set off the fuze. The M54 round had variable delay; the fuze starting to burn at the instant of firing the round.
416:
Externally, the gun was nearly identical to the 6-pounder gun. The 14.9 lb (6.76 kg) HE shell fired at 2,050 ft/s (625 m/s) was found to be the best available and superior to that of the 6-pounder,
250:, small high-velocity solid rounds that were effective against tanks but did little damage to groups of infantry or soft targets like trucks. Some tanks operating as infantry support were given howitzers firing
312:
American-made 75 mm guns could use the same ammunition. It gained
British tanks a good HE shell but came with an inferior anti-tank round, proving troublesome against heavily armoured German tanks.
31:
430:
a 2 lb (900 g) charge to 2,000 feet per second (610 m/s). In
British service, the AP shell was used without its explosive filling and as such was referred to as "AP Shot M61".
405:, some units retained a number of 6-pounder-gunned tanks, due to its superior anti-tank firepower over the 75 mm, especially as the 6-pounder could use more effective
307:
It was noticed that the US 75 mm cartridge was almost the same diameter as the
British 6-pounder case. Instead of having to take the American gun to be fitted
1125:
289:
was found to be markedly superior and a number of
Churchills used in Italy had guns scavenged from Sherman tanks and fitted to their turrets to give the
339:
The QF 75 mm used US ammunition. The shells were "fixed" ammunition, the shell cartridge and projectile being joined together as a complete round.
717:
685:
357:
680:
1012:
1135:
690:
1063:
897:
296:
Vickers was working on a high velocity 75 mm gun to be fitted to
British tanks. This took the cartridge case of the
327:
315:
Though the 75 mm had a good HE shell, it was still thought that a more powerful close support weapon was needed and the
1099:
293:(NA coming from "North Africa" where the conversions were carried out). Approximately 200 were converted in this way.
710:
668:
410:
1130:
997:
282:
304:
of the US 75 mm gun. The design turned out to be too big to fit into the tank that it had been expected to fit.
1038:
300:
mated to the US 75 mm AP and HE shell. With a barrel length of 50 calibres, it would have had about twice the
270:. The decision to equip British tanks with a gun capable of firing HE shells at soft targets was taken by the
194:("6 pdr") 57 mm anti-tank gun to 75 mm, to give better performance against infantry targets similarly to the
928:
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425:, all chiefly anti-tank guns. Against armour, its AP shell was the worst, penetrating only 68 mm of
777:
1048:
782:
316:
370:
An armour-piercing capped projectile with a thin ballistic cap ("windshield") for better aerodynamics.
251:
1073:
877:
426:
581:
full name for the round was "Shell, fixed, HE M48, normal charge" followed by the fuze specification
1140:
285:. The round lacked sufficient explosive power, but the power of the US 75 mm HE round used in the
203:
1089:
1033:
726:
695:
238:
Prior to the introduction of the ROQF 75 mm, British tanks had been equipped with first the
992:
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against the
Japanese) until the end of the war. While the 75 mm was a conversion from the
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A HE shell for the 6-pounder was in production by the start of the
52:
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538:
206:, referring to the use of ammunition where the shell has a fixed
152:
353:
186:, abbreviated to OQF 75 mm, was a British tank gun of the
651:
US Document WO 219/2806, Appendix G to SHAEF/16652/GCT/Arty,
389:
The ROQF 75 mm was chiefly used on the
Churchill and
343:
Shell HE M48 with either M48A2, M54, M51A4, or M21A4 fuze.
615:
An
Alternative 1930s British Tank Gun - And Its Successor
661:
Churchill Tank - Vehicle History and Specifications
1117:
642:
348:Bursting charge was 1.49 lb (0.68 kg)
539:Weapons of comparable role, performance and era
393:tanks. The weapon was used in Italy and in the
711:
380:An entirely solid armour-piercing projectile.
1126:World War II artillery of the United Kingdom
718:
704:
645:British and American Tanks of World War II
627:Cromwell Vehicle History and Specification
434:British tank guns of the Second World War
319:was agreed for a limited number of tanks.
246:(57 mm). These guns were designed to fire
643:Chamberlain, Peter; Ellis, Chris (1981).
326:
1118:
466:(AP/T shot) 2.7 lb (1.2 kg)
281:and available in large numbers in the
210:. The gun was also sometimes known as
699:
365:Shot APC M61, with tracer in the base
352:or 1.36 lb (0.62 kg) 50/50
553: : contemporary Soviet tank gun
547: : contemporary German tank gun
485:(AP shot) 6.3 lb (2.9 kg)
375:Shot AP M72, with tracer in the base
254:shells, such as early models of the
190:. It was obtained by boring out the
13:
14:
1152:
674:
1095:BL 12-inch Mk V railway howitzer
559: : contemporary US tank gun
29:
1136:Tank guns of the United Kingdom
1090:BL 9.2-inch Mk XIII railway gun
524:2,950 ft/s (900 m/s)
505:2,050 ft/s (620 m/s)
488:3,000 ft/s (910 m/s)
469:2,650 ft/s (810 m/s)
356:or 1.52 lb (0.69 kg)
298:3 inch 20 cwt anti-aircraft gun
1049:BL 6-inch Mk VII & Mk XXIV
620:
608:
584:
575:
233:
167:2,030 ft/s (620 m/s)
1:
1100:BL 13.5-inch Mk V railway gun
563:
322:
863:BL 4.5-inch medium field gun
242:(40 mm) and then the larger
7:
1105:BL 18-inch railway howitzer
533:
502:14.9 lb (6.8 kg)
222:rdnance (the manufacturer)
132:118.1 in (3.00 m)
121:117.4 in (2.98 m)
10:
1157:
929:3.7-inch mountain howitzer
384:
331:Loading ammunition into a
157:75 mm (2.953 in)
1082:
1026:
965:
937:
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853:
817:
791:
740:
521:17 lb (7.7 kg)
171:
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151:
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136:
125:
117:
113:692 lb (314 kg)
109:
104:
94:
89:
79:
71:
66:
59:Place of origin
58:
48:
28:
21:
818:Field guns and howitzers
594:, 10% TNT, 10% aluminium
266:upport) versions of the
835:25-pounder Gun-Howitzer
198:fitted to the American
1131:World War II tank guns
993:QF 2-pounder naval gun
873:BL 5.5-inch medium gun
783:QF 95 mm howitzer
336:
184:Ordnance QF 75 mm
966:Anti-aircraft weapons
924:75mm Pack howitzer M1
656:Bovington Tank Museum
654:"Fire and Movement",
330:
192:Ordnance QF 6-pounder
988:QF 1½-pounder Mk III
903:BL 9.2-inch howitzer
893:BL 7.2-inch howitzer
883:BL 6-inch gun Mk XIX
845:QF 4.5-inch howitzer
727:British Commonwealth
335:, Normandy July 1944
248:armour-piercing shot
163:Muzzle velocity
1044:QF 4.7-inch Mk I–IV
1034:QF 6-pounder 10 cwt
435:
202:. The QF came from
41:Overloon War Museum
1018:QF 5.25-inch Mk II
957:ML 4.2-inch mortar
947:SBML 2-inch mortar
908:240 mm howitzer M1
898:BL 8-inch howitzer
878:BL 6-inch howitzer
856:guns and howitzers
768:QF 3-inch howitzer
647:. Arco publishing.
617:Anthony G Williams
433:
337:
90:Production history
23:Ordnance QF 75 mm
1113:
1112:
1083:Railway artillery
1069:BL 14-inch Mk VII
1059:BL 8-inch Mk VIII
1054:BL 7.5-inch Mk VI
1013:QF 4.5-inch Mk II
868:BL 60-pounder gun
854:Medium and heavy
531:
530:
397:(and possibly in
395:Normandy invasion
317:QF 95 mm howitzer
180:
179:
176:
1148:
1064:BL 9.2-inch Mk X
952:ML 3-inch mortar
840:25-pounder Short
720:
713:
706:
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686:WWIIVehicles.com
648:
630:
624:
618:
612:
595:
592:ammonium nitrate
588:
582:
579:
518:76.2×583mm L/55
448:Muzzle velocity
436:
432:
283:Italian Campaign
279:Tunisia Campaign
188:Second World War
175:
84:Second World War
33:
24:
19:
18:
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1155:
1151:
1150:
1149:
1147:
1146:
1145:
1141:75 mm artillery
1116:
1115:
1114:
1109:
1078:
1074:BL 15-inch Mk I
1022:
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888:155 mm Long Tom
855:
849:
825:75 mm Gun M1917
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629:1983 HMSO p. xi
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67:Service history
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333:Churchill tank
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809:QF 17-pounder
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545:7.5 cm KwK 40
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451:Muzzle energy
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43:, Netherlands
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37:Cromwell tank
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20:
998:Bofors 40 mm
804:QF 6-pounder
799:QF 2-pounder
762:
758:QF 6-pounder
753:QF 3-pounder
748:QF 2-pounder
734:World War II
660:
644:
637:Bibliography
626:
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586:
577:
557:M3 75 mm /40
551:76.2 mm F-34
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240:QF 2-pounder
237:
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211:
200:Sherman tank
196:75 mm M3 gun
183:
181:
129: length
95:Manufacturer
72:Used by
1008:QF 3.7-inch
496:75 mm
234:Development
1120:Categories
663:1983 HMSO
564:References
423:17-pounder
323:Ammunition
272:War Office
268:Matilda II
172:References
1003:QF 3-inch
973:Z Battery
741:Tank guns
730:artillery
602:Citations
403:6-pounder
358:trimonite
256:Churchill
244:6-pounder
208:cartridge
778:77 mm HV
763:QF 75 mm
534:See also
442:Caliber
413:rounds.
391:Cromwell
309:en masse
287:75 mm M3
258:and CS (
53:Tank gun
16:Tank gun
939:Mortars
419:M7 3 in
385:Service
230:iring.
153:Calibre
147:75×350R
35:Gun on
667:
527:3,100
514:17 pdr
508:1,300
491:1,100
354:Amatol
127:Barrel
118:Length
569:Notes
478:6 pdr
459:2 pdr
399:Burma
262:lose
226:uick-
218:oyal
214:from
143:Shell
665:ISBN
590:80%
472:295
439:Gun
421:and
411:APDS
409:and
407:APCR
212:ROQF
182:The
110:Mass
80:Wars
49:Type
732:of
453:kJ
427:RHA
350:TNT
39:at
1122::
274:.
252:HE
719:e
712:t
705:v
264:S
260:C
228:F
224:Q
220:O
216:R
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