18 inch Mark XVII torpedo

18 inch Mark XVII torpedo.

Category.	Data.
Type.	Conventional WW2 torpedo
Nationality.	British.
Made in.	1944
Retired.	1945, but some stayed reserve until the end of the Korean War.
Designer.	N\A UK organisation.
Manufacturer.	N\A UK organisation.
Variants.	Non
Diameter.	18 inches.
Speed.	40 knots (74 km/h; 46 mph) for 2,500 yd (2,300 m).
Warhead.	600 lb (270 kg) Torpex
Operational range.	At least 2,500 yd (2,300 m)
Guidance system.	N\A, but probably akin to aircraft of comparable role, configuration and era.
Launch platform.	ASW (antisubmarine warfare) aircraft
Weight.	N\A, but probably akin to those of comparable role, configuration and era.
Sources.	http://www.wikiwand.com/en/British_18_inch_torpedo, http://www.wikiwand.com/en/British_18_inch_torpedo, http://www.thefullwiki.org/British_18_inch_torpedo, http://www.fleetsubmarine.com/torpedoes.html, http://www.navweaps.com/Weapons/WTBR_WWII.php, http://military.wikia.com/wiki/British_18_inch_torpedo and https://en.wikipedia.org/wiki/British_18_inch_torpedo