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HAL Rudra (ALH-WSI)


Gunship / Multirole Military Helicopter


India | 2012



"The HAL Rudra is an armed and specially-equipped version of the HAL Dhruv intended for the attack helicopter role by India."



Authored By: Staff Writer | Last Edited: 09/22/2018 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
Flag of Image from official HAL marketing material.
Firepower
Performance
Survivability
Versatility
Impact
The prolonged development period of the HAL "Dhruv" utility helicopter (detailed elsewhere on this site) finally led to service introduction with the Indian Army, Navy and Air Force in March of 2002. Over 230 examples have been built by Hindustan Aeronautics Limited (HAL) of India to date (2018) and the design has since been used as the framework for two other notable offshoots of the base family line - the HAL Light Combat Helicopter (LCH) and the HAL "Rudra".

While the LCH represents a more traditional approach to the dedicated attack helicopter platform (twin engines, stepped two-man cockpit, "tail-dragger" undercarriage) the Rudra follows more the design path of a gunship as it is capable of troop transport and other over-battlefield roles mainly due to its utility origins. The Rudra saw a first-flight in prototype form on August 16th, 2007 and entered service (with the Indian Army) in 2012. Production has been ongoing since 2007.

The Rudra was born directly from the Dhruv design as that airframe offered the most amount return with the existing package to keep the project on schedule and within budget. The platform entered weapons / systems testing in 2011 and ground tests followed in 2012. Flight trials were then had in late-2012 / early-2013. Seventy-six helicopters made up the original Indian Army and Air Force commitment. An additional twenty were then ordered by the Indian Navy. The Army received its first example in 2013.

The form and function of the Dhruv are more or less retained in the Rudra. Cockpit seating is side-by-side for two and the passenger section is aft. Over the compartment sits a low-mounted, four-bladed main rotor unit. The tail steam is raised, owing to the cargo-minded nature of the original Dhruv and, within, is the drive shaft used to power the four-bladed tail rotor situated to the starboard side. The tail also forms the vertical tail fin and holds a pair of horizontal planes, each capped by smaller vertical planes. The undercarriage is fixed as it is of the typical four-point skid arrangement - resulting in a relatively less-complicated, low-maintenance product. Vision out-of-the-cockpit is excellent thanks to the heavily glazed nose offering views to the sides, forward, below and above. The cockpit crew is served by the Israeli Elbit CoMPASS opto-electronic suite and Swedish SAAB IDAS-3 countermeasures package. Forward-Looking Infra-Red (FLIR) is installed as well as thermal imaging.

The attack portion of the Rudra is made possible by the various fits the frame can handle. Optional outboard wingstubs can be fitted to the sides of the fuselage and these allow the carrying of air-to-surface / air-to-air missiles, rocket pods, gun pods and cannon pods. Additionally, at the nose, a 20mm M621 automatic trainable cannon can be installed in a "chin" mounting in a French Nexter THL-20 series powered turret. Supported munitions include Helina Anti-Tank Guided Missiles (ATGMs), French Mistral air-to-air missiles, torpedoes, depth charges, anti-ship-missiles and 68mm/70mm unguided rocket pods.

The versatility of the Rudra is seen in this armament support - allowing all major Indian military services to make use of a common airframe to handle their various required tasks such as anti-ship / anti-submarine sorties, Search-and-Rescue (SAR) and general reconnaissance not to mention flight training, at-sea replenishment and maritime patrolling. The helicopter can also be used in special mission roles in support of special operations troops as needed.

Power to the design is by way of 2 x HAL (French Turbomeca) "Shakti" turboshaft engines developing 1,400 horsepower each and driving the multi-bladed configuration over the fuselage and at the tail. Alternatively, the airframe can accept the 1,000 horsepower Turbomeca TM333-2B2 turboshaft set. Maximum speed can reach 180 miles-per-hour with a range out to 515 miles and a service ceiling of 20,000 feet. Rate-of-climb is reported at 2,030 feet--per-minute.

The Rudra has been developed into two distinct operational models designated as Rudra Mk.III and Rudra Mk.IV. The former is largely equipped for Electronic Warfare (EW) with a full sensor and countermeasures suite but generally lacks support for armament. The latter sports the aforementioned weapons suite representing the complete gunship platform.

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Power & Performance
Those special qualities that separate one aircraft design from another. Performance specifications presented assume optimal operating conditions for the HAL Rudra Gunship / Multirole Military Helicopter.
2 x HAL (Turbomeca) Shakti turboshaft engines developing 1,400 horsepower each and driving a four-bladed main rotor and four-bladed tail rotor unit.
Propulsion
180 mph
290 kph | 157 kts
Max Speed
20,013 ft
6,100 m | 4 miles
Service Ceiling
516 miles
830 km | 448 nm
Operational Range
2,030 ft/min
619 m/min
Rate-of-Climb
City-to-City Ranges
Operational range when compared to distances between major cities (in KM).
NYC
 
  LON
LON
 
  PAR
PAR
 
  BER
BER
 
  MOS
MOS
 
  TOK
TOK
 
  SYD
SYD
 
  LAX
LAX
 
  NYC
Structure
The nose-to-tail, wingtip-to-wingtip physical qualities of the HAL Rudra Gunship / Multirole Military Helicopter.
2
(MANNED)
Crew
52.2 ft
15.90 m
O/A Length
43.3 ft
(13.20 m)
O/A Width
16.3 ft
(4.98 m)
O/A Height
5,512 lb
(2,500 kg)
Empty Weight
12,125 lb
(5,500 kg)
MTOW
Design Balance
The three qualities reflected below are altitude, speed, and range. The more full the box, the more balanced the design.
RANGE
ALT
SPEED
Armament
Available supported armament and special-mission equipment featured in the design of the HAL Rudra (ALH-WSI) Gunship / Multirole Military Helicopter .
STANDARD:
1 x 20mm M621 cannon fitted in Nexter THL-20 chin-mounted powered turret.

OPTIONAL:
Mixed ordnance loads consisting of the Helina Anti-Tank Guided Missile (ATGM), the MBDA short-range air-to-air missile, 68mm/70mm unguided rockets (fired from pods), anti-ship missiles, torpedoes and depth charges.
Variants
Notable series variants as part of the HAL Rudra (ALH-WSI) family line.
Rudra - Base Series Name
Rudra Mk.III - Sans weapons support but outfitted with equipment such as CounterMeasures (CM) and Electronic Warfare (EW) as well as specialized sensors.
Rudra Mk.IV - Armed variant for the attack helicopter / gunship role.
Operators
Global customers who have evaluated and/or operated the HAL Rudra (ALH-WSI). Nations are displayed by flag, each linked to their respective national aircraft listing.

Total Production: 30 Units

Contractor(s): Hindustan Aeronautics Limited (HAL) - India
National flag of India

[ India ]
Relative Max Speed
Hi: 200mph
Lo: 100mph
Aircraft Max Listed Speed (180mph).

Graph Average of 150 MPH.
Era Crossover
Pie graph section
Showcasing Aircraft Era Crossover (if any)
Max Alt Visualization
Small airplane graphic
Production Comparison
30
36183
44000
Entry compared against Ilyushin IL-2 (military) and Cessna 172 (civilian) total production.
MACH Regime (Sonic)
Sub
Trans
Super
Hyper
HiHyper
ReEntry
RANGES (MPH) Subsonic: <614mph | Transonic: 614-921 | Supersonic: 921-3836 | Hypersonic: 3836-7673 | Hi-Hypersonic: 7673-19180 | Reentry: >19030
Aviation Timeline
EarlyYrs
WWI
Interwar
WWII
ColdWar
Postwar
Modern
Future
1 / 1
Image of the HAL Rudra (ALH-WSI)
Image from official HAL marketing material.

Mission Roles
Some designs are single-minded in their approach while others offer a more versatile solution to airborne requirements.
GROUND ATTACK
CLOSE-AIR SUPPORT
ANTI-SUBMARINE WARFARE
ANTI-SHIP
SEARCH & RESCUE
TRANSPORT
RECONNAISSANCE
SPECIAL FORCES
Recognition
Some designs stand the test of time while others are doomed to never advance beyond the drawing board; let history be their judge.
Going Further...
The HAL Rudra (ALH-WSI) Gunship / Multirole Military Helicopter appears in the following collections:
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