The V-hull is a type of vehicle armor design used on wheeled

armored personnel carrier An armoured personnel carrier (APC) is a broad type of armoured military vehicle designed to transport personnel and equipment in combat zones. Since World War I, APCs have become a very common piece of military equipment around the world. Ac ...

s (APCs),

infantry mobility vehicle An infantry mobility vehicle (IMV) is a wheeled armored personnel carrier (APC) serving as a military patrol, reconnaissance or security vehicle. Examples include the ATF Dingo, Iveco LMV, Oshkosh M-ATV, AMZ Dzik, AMZ Tur, Mungo ESK, and B ...

infantry fighting vehicle An infantry fighting vehicle (IFV), also known as a mechanized infantry combat vehicle (MICV), is a type of armoured fighting vehicle used to carry infantry into battle and provide direct-fire support. The 1990 Treaty on Conventional Armed F ...

s (IFVs) and

MRAP Mine-Resistant Ambush Protected (MRAP; ) is a term for United States Armed Forces, United States military light tactical vehicles produced as part of the MRAP program that are designed specifically to withstand improvised explosive device (IE ...

s. The design originated in the 1970s with vehicles such as the iconic

Casspir The Casspir is a Mine-Resistant Ambush Protected Vehicle that has been in use in South Africa since the 1980s. It is a four-wheeled, four-wheel drive vehicle, used for transport of troops. It can hold a crew of two, plus 12 additional soldiers an ...

used extensively during the

South African Border War The South African Border War, also known as the Namibian War of Independence, and sometimes denoted in South Africa as the Angolan Bush War, was a largely asymmetric conflict that occurred in Namibia (then South West Africa), Zambia, and Ango ...

, Leopard security vehicle used in the

Rhodesian Bush War The Rhodesian Bush War, also called the Second as well as the Zimbabwe War of Liberation, was a civil conflict from July 1964 to December 1979 in the List of states with limited recognition, unrecognised country of Rhodesia (later Zimbabwe-Rh ...

and

South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring coun ...

n armored vehicle company

Land Systems OMC Land Systems OMC is a South African company that produces a range of armoured vehicles which have been successfully exported and are in service with, amongst others, the U.S., Canadian and South African militaries. It is a division of Denel SOC LT ...

s and Buffels.

Design

The purpose of V-hulls is to increase vehicle and crew

survivability Survivability is the ability to remain alive or continue to exist. The term has more specific meaning in certain contexts. Ecological Following disruptive forces such as flood, fire, disease, war, or climate change some species of flora, fauna, ...

by deflecting an upward directed blast from a

landmine A land mine is an explosive device concealed under or on the ground and designed to destroy or disable enemy targets, ranging from combatants to vehicles and tanks, as they pass over or near it. Such a device is typically detonated automati ...

(or

Improvised Explosive Device An improvised explosive device (IED) is a bomb constructed and deployed in ways other than in conventional military action. It may be constructed of conventional military explosives, such as an artillery shell, attached to a detonating mecha ...

) away from the vehicle, while also presenting a

sloped armor Sloped armour is armour that is neither in a vertical nor a horizontal position. Such angled armour is typically mounted on tanks and other armoured fighting vehicles (AFVs), as well as naval vessels such as battleships and cruisers. Sloping an ...

face. By presenting its

armor Armour (British English) or armor (American English; see spelling differences) is a covering used to protect an object, individual, or vehicle from physical injury or damage, especially direct contact weapons or projectiles during combat, or f ...

at an angle, it increases the amount of material a ballistic projectile must pass through in order to penetrate the vehicle, and increases the chance of

deflection Deflection or deflexion may refer to: Board games * Deflection (chess), a tactic that forces an opposing chess piece to leave a square * Khet (game), formerly ''Deflexion'', an Egyptian-themed chess-like game using lasers Mechanics * Deflection ...

. V-hulls are incorporated in armored vehicle designs in several different ways. Many vehicles, such as the

BAE Systems BAE Systems plc (BAE) is a British multinational arms, security, and aerospace company based in London, England. It is the largest defence contractor in Europe, and ranked the seventh-largest in the world based on applicable 2021 revenue ...

RG-33 The RG-33 is a mine-resistant light armored vehicle initially designed by BAE Systems Land Systems South Africa (formerly Land Systems OMC), a South African subsidiary of BAE Systems. BAE Systems in the US extensively modified it with addition ...

incorporate the V-hull into a

monocoque Monocoque ( ), also called structural skin, is a structural system in which loads are supported by an object's external skin, in a manner similar to an egg shell. The word ''monocoque'' is a French term for "single shell". First used for boats, ...

chassis A chassis (, ; plural ''chassis'' from French châssis ) is the load-bearing framework of an artificial object, which structurally supports the object in its construction and function. An example of a chassis is a vehicle frame, the underpar ...

, while others, such as the

ATF Dingo The ATF Dingo is a German heavily armored military MRAP infantry mobility vehicle based on a Unimog chassis with a V-hull design, produced by the company Krauss-Maffei Wegmann (KMW). The first prototype of the Dingo 1 was completed in 1995 a ...

and International MaxxPro use a

body-on-frame Body-on-frame, also known as ladder frame construction, is a common motor vehicle construction method, whereby a separate body or coach is mounted on a strong and relatively rigid vehicle frame or chassis that carries the powertrain (the en ...

chassis, with an armored V-hull crew compartment, and an additional V or semicircular shaped piece protecting the

driveline A drivetrain (also frequently spelled as drive train or sometimes drive-train) is the group of components that deliver mechanical power from the prime mover to the driven components. In automotive engineering, the drivetrain is the components o ...

. Others, such as the

Cougar H The Cougar is a mine-resistant ambush-protected (MRAP) and infantry mobility vehicle structured to be resistant to landmines and improvised munitions. It is a family of armored vehicles produced by Force Protection Inc, which manufactures bal ...

have a V-hull crew compartment, and allow the driveline and suspension components to be sacrificed in an attack, while maintaining the safety of the crew.

Gallery

File:Rhodesia-Leopard Security Vehicle-001.jpg, The

Rhodesia Rhodesia (, ), officially from 1970 the Republic of Rhodesia, was an unrecognised state in Southern Africa from 1965 to 1979, equivalent in territory to modern Zimbabwe. Rhodesia was the ''de facto'' successor state to the British colony of So ...

n Leopard security vehicle, one of the first V-hull vehicles. File:Armoured car, Army Museum Stockholm.jpg, Terrängbil m/42 KP early V-hull vehicle and the first APC in the Swedish armed forces, in use 1942–1990. It saw combat during the

Congo crisis The Congo Crisis (french: Crise congolaise, link=no) was a period of political upheaval and conflict between 1960 and 1965 in the Republic of the Congo (today the Democratic Republic of the Congo). The crisis began almost immediately after ...

. File:Casspir vehicle Ai101503g1.jpg, A

de-mining vehicle in the vicinity of the

Bagram Airfield Bagram Airfield-BAF, also known as Bagram Air Base , is located southeast of Charikar in the Parwan Province of Afghanistan. It is under the Afghan Ministry of Defense. Sitting on the site of the ancient Bagram at an elevation of above sea lev ...

Afghanistan Afghanistan, officially the Islamic Emirate of Afghanistan,; prs, امارت اسلامی افغانستان is a landlocked country located at the crossroads of Central Asia and South Asia. Referred to as the Heart of Asia, it is borde ...

. File:Twinbuffels.JPG, Buffel variants at

Air Force Base Swartkop Air Force Base Swartkop is South Africa's oldest air force base and houses the South African Air Force Museum. It is managed as part of AFB Waterkloof and houses one of the three branches of the South African Air Force Museum. The name of t ...

. File:Cougar Hit By IED.jpg, Force Protection's Cougar hit by an

Improvised explosive device An improvised explosive device (IED) is a bomb constructed and deployed in ways other than in conventional military action. It may be constructed of conventional military explosives, such as an artillery shell, attached to a detonating mecha ...

(IED) in Iraq; all crew survived. File:Bushmaster Counter IED Lane Tarin Kowt.JPG, A

Bushmaster IMV } The Bushmaster Protected Mobility Vehicle or Infantry Mobility Vehicle is an Australian-built four-wheel drive armoured vehicle. The Bushmaster was primarily designed by the then government-owned Australian Defence Industries (ADI), and is cur ...

after encountering an IED; the

drive train A drivetrain (also frequently spelled as drive train or sometimes drive-train) is the group of components that deliver mechanical power from the prime mover to the driven components. In automotive engineering, the drivetrain is the components o ...

and utility bins were destroyed, but the

hull Hull may refer to: Structures * Chassis, of an armored fighting vehicle * Fuselage, of an aircraft * Hull (botany), the outer covering of seeds * Hull (watercraft), the body or frame of a ship * Submarine hull Mathematics * Affine hull, in affi ...

is intact and the crew survived with only minor injuries.

References

{{Reflist Vehicle armour Armoured warfare Military technology Armoured fighting vehicle equipment

Design

Gallery

See also

References