QF 4 inch naval gun Mk I - III
- QF 4 inch naval gun Mk I - III
Infobox Weapon
name= Ordnance QF 4-inch gun Mk I, II, III
caption=
origin= United Kingdom
type= Naval gun
Coast defence gun
is_ranged=yes
is_explosive=
is_artillery=yes
is_UK=yes
service=1895-19??
used_by=UK
wars= World War I
designer=
design_date=1895
manufacturer=
production_date=
number=
variants=
weight=convert|2912|lb|kg|sigfig=4 barrel & breech
length=convert|160|in|m|sigfig=4 bore
part_length=convert|165.35|in|m|sigfig=4 total
width=
height=
crew=
cartridge=Separate-loading QF convert|25|lb|kg|sigfig=4
caliber=convert|4|in|mm|sing=on|sigfig=4
action=
rate=
velocity= convert|2300|ft/s|m/s [2300 ft/sec with 25 lb projectile in 1902, using 3 lb 9 oz cordite Mk I size 15 propellant (Text Book of Gunnery 1902)]
range=
max_range= convert|9000|yd|m [Text Book of Gunnery 1902, Table XII page 337]
sights=
breech=single-motion screw
recoil=
carriage=
elevation=
traverse=The QF 4-inch gun Mks I, II, III were early British QF naval guns originating in 1895. They all had barrels of 40 calibres length.
Naval service
The guns were intended to be a more powerful alternative to the 3-inch QF 12 pounder guns. Its 25-pound shell was insufficiently powerful to make much difference, and subsequent 4-inch guns fired 31-pound shells.They were mounted on the following ships :
*Pelorus third class protected cruisers of 1896
*Invincible class battlecruisers of 1906
Coast Defence gun
From 1906 a number of Mk III guns were transferred from the Royal Navy for use as coast defence guns around the United Kingdom, and remained until 1939 [Hogg & Thurston 1972, page 96.] .
In 1918 3 guns were in service at Dover Garrison and 8 at Forth Garrison [Farndale 1988, pages 398 - 404] .
urviving guns
ee also
*List of artillery#Naval_guns
Notes
References
* [http://cgsc.cdmhost.com/u?/p4013coll11,230 Text Book of Gunnery, 1902. LONDON : PRINTED FOR HIS MAJESTY'S STATIONERY OFFICE, BY HARRISON AND SONS, ST. MARTIN'S LANE]
*General Sir Martin Farndale, [http://www.amazon.co.uk/dp/1870114051 History of the Royal Regiment of Artillery : Forgotten Fronts and the Home Base 1914-18. London:The Royal Artillery Institution, 1988]
*
External links
*Tony DiGiulian, [http://www.navweaps.com/Weapons/WNBR_4-40_mk3.htm British 4"/40 (10.2 cm) QF Marks I, II and III]
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