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Moskalev SAM-13

Single-Seat Twin-Engine Fighter Prototype

Moskalev SAM-13

Single-Seat Twin-Engine Fighter Prototype

OVERVIEW
SPECIFICATIONS
ARMAMENT
VARIANTS
HISTORY
MEDIA
OVERVIEW



The German invasion of the Soviet Union in June of 1941 ended all hopes for the interesting Moskalev SAM-13 fighter project.
National Flag Graphic
ORIGIN: Soviet Union
YEAR: 1941
MANUFACTURER(S): Moskalev UN31 / Plant 18 - Soviet Union
PRODUCTION: 1
OPERATORS: Soviet Union (cancelled)
SPECIFICATIONS



Unless otherwise noted the presented statistics below pertain to the Moskalev SAM-13 model. Common measurements, and their respective conversions, are shown when possible.
CREW: 1
LENGTH: 25.20 feet (7.68 meters)
WIDTH: 23.95 feet (7.3 meters)
HEIGHT: 12.47 feet (3.8 meters)
WEIGHT (MTOW): 2,612 pounds (1,185 kilograms)
ENGINE: 2 x Renault-Benghazi MV-6 air-cooled engines developing 220 horsepower each driving three-bladed propeller units in push-pull configuration.
SPEED (MAX): 323 miles-per-hour (520 kilometers-per-hour; 281 knots)
CEILING: 20,013 feet (6,100 meters; 3.79 miles)




ARMAMENT



PROPOSED:
2 x 7.62mm machine guns in upper forward fuselage.
1 x 7.62mm machine gun in portside tailboom lead.
1 x 7.62mm machine gun in starboard side tailboom lead.
VARIANTS



Series Model Variants
• SAM-13 - Base Series Designation; single flyable prototype completed; destroyed in Soviet retreat.


HISTORY



Detailing the development and operational history of the Moskalev SAM-13 Single-Seat Twin-Engine Fighter Prototype.  Entry last updated on 8/8/2017. Authored by Staff Writer. Content ©www.MilitaryFactory.com.
The Moskalev SAM-13 appears to have been directly - or at least heavily - influenced by the Dutch pre-World War 2 Fokker D.XXIII single-seat tandem engine fighter (detailed elsewhere on this site). While the D.XXIII was being developed in the late 1930s, the Soviet offering first appeared around 1940. it was of very similar design layout, seating its crew of one under a framed canopy with raised dorsal spine to his rear and fitting its twin engine arrangement in a front-and-rear configuration. Similarly a retractable tricycle undercarriage was featured for ground running as was a twin-tailboom layout. However, the Soviet version was of smaller dimension and therefore lighter in weight while being powered by a lower-rated engine. it never went beyond the prototype stage.

The SAM-13 made a pair of Renault-Benghazi MV-6 six-cylinder air-cooled engines its choice powerplant and these were rated at 220 horsepower each while driving three-bladed propeller units. Armament centered on 2 x 7.62mm machine guns mounted in the forward fuselage and synchronized to fire through the spinning propeller blades at the nose and each tailboom was also to carry a 7.62mm machine gun weapon. Dimensions of the proposed fighter included a length of 7.7 meters, a wingspan of 7.3 meters and a height of 3.8 meters.




The arrangement of the aircraft held the fuselage at center with the wing mainplanes running under the aft end of the structure. The wings were rounded and tapered towards their tips. The boom assemblies began at each wing leading edge and extended beyond the trailing edges. At the extreme rear of the aircraft the booms were joined by a single horizontal stabilizer and each boom was given a small-area vertical fin. Taken side-by-side, it was clear that the SAM-13 was different from the Dutch offering at least in size and specific shaping - however, there were undoubtedly many similar physical characteristics.

The SAM-13 was tested to speeds of 323 miles per hour up to an altitude of 19,000 feet. As with the Dutch design, it was found that the air cooling required for the aft engine installation was lacking, leading to overheating issues. However performance was deemed quite good for the twin engine design and the naturally occurring torque effect of a single engine was eliminated by using the two engines.

All of this came to nothing due to the German invasion of the Soviet Union in June of 1941 (Operation Barbarossa). Resources were directed to other warplanes which left the SAM-13 out of the loop and, ultimately, banned to the back pages of military aviation history. Only a single flyable prototype was all that was completed of the SAM-13. The sole prototype was destroyed by its owners as its development facility was abandoned in the hasty Soviet retreat eastwards.




MEDIA







Our Data Modules allow for quick visual reference when comparing a single entry against contemporary designs. Areas covered include general ratings, speed assessments, and relative ranges based on distances between major cities.

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Relative Maximum Speed Rating
Hi: 400mph
Lo: 200mph
    This entry's maximum listed speed (323mph).

    Graph average of 300 miles-per-hour.
Aviation Era
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Useful in showcasing the era cross-over of particular aircraft/aerospace designs.
Unit Production Comparison
Comm. Market HI*: 44,000 units
Military Market HI**: 36,183 units
1
1

  * Commercial Market High belongs to Cessna 172.

  ** Military Market High belongs to Ilyushin Il-2.


Altitude Visualization
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Supported Roles
A2A
Interception
UAV
Ground Attack
CAS
Training
ASW
Anti-Ship
AEW
MEDEVAC
EW
Maritime/Navy
SAR
Aerial Tanker
Utility/Transport
VIP
Passenger
Business
Recon
SPECOPS
X-Plane/Development
A2A=Air-to-Air; UAV=Unmanned; CAS=Close Support; ASW=Anti-Submarine; AEW=Airborne Early Warning; MEDEVAC=Medical Evac; EW=Electronic Warfare; SAR=Search-Rescue
Supported Arsenal
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