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Aviation / Aerospace

Lockheed Martin LMH-1 (P-791)


Cargo Hybrid Airship Prototype [ 2019 ]



The LMH-1 was a Lockheed Martin hybrid airship development intended to satisfy a U.S. Army requirement - it did not succeed.



Authored By: Staff Writer | Last Edited: 05/03/2022 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.

VIEW SPECIFICATIONS [+]
The Lockheed Martin LMH-1 / P-791 was a hybrid airship developed by the company to satisfy the United States Army's "Long-Endurance, Multi-Engine Vehicle" (LEMV) program. The design utilized a combination of aerodynamic and aerostatic lift principles but was passed on in favor of the competing Northrop Grumman HAV-3 (Hybrid Air Vehicles). Lockheed continued hybrid airship development in the subsequent "LMZ1M".

The LMH-1 was powered by four V6 diesel-fueled engine units each developing 300 horsepower and driving three-bladed propeller units. The aircraft itself had a futuristic design with its rounded, streamlined shape and cut-off bottom. Tailfins were arranged at the rear in an "X" pattern.

Some attempts were made to bring the airship to the commercial market as a cargo carrier including a deal with Straightline Aviation and Hybrid Enterprises (LMH-1) but these initiatives appear to have fallen to naught.

The P-791 was used to designated a proof-of-concept demonstrator.©MilitaryFactory.com
Note: The above text is EXCLUSIVE to the site www.MilitaryFactory.com. It is the product of many hours of research and work made possible with the help of contributors, veterans, insiders, and topic specialists. If you happen upon this text anywhere else on the internet or in print, please let us know at MilitaryFactory AT gmail DOT com so that we may take appropriate action against the offender / offending site and continue to protect this original work.

March 2016 - Straightline Aviation (SLA) has committed to becoming the launch customer for the Lockheed LMH-1 series airship. Seven of the aircraft will initially form the fleet and these are set to serve the minerals industry. Introduction is tentatively scheduled for sometime in 2019.

Specifications



Service Year
2019

Origin
United States national flag graphic
United States

Status
IN-DEVELOPMENT
Program in Progress.
Crew
3

Production
1
UNITS


National flag of the United States United States (probable)
(OPERATORS list includes past, present, and future operators when applicable)
Intelligence-Surveillance-Reconnaissance (ISR), Scout
Surveil ground targets / target areas to assess environmental threat levels, enemy strength, or enemy movement.


Length
280.0 ft
(85.35 m)
Width/Span
148.0 ft
(45.11 m)
Height
78.0 ft
(23.77 m)
(Showcased structural values pertain to the Lockheed Martin LMH-1 production variant)
Installed: 4 x V6 diesel-fueled engines developing 300 horsepower driving three-bladed propeller units.
Max Speed
69 mph
(111 kph | 60 kts)
Range
1,616 mi
(2,600 km | 4,815 nm)


♦ 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


(Showcased performance specifications pertain to the Lockheed Martin LMH-1 production variant. Performance specifications showcased above are subject to environmental factors as well as aircraft configuration. Estimates are made when Real Data not available. Compare this aircraft entry against any other in our database or View aircraft by powerplant type)
None. Up to 47,000lb of cargo payload or nineteen passengers.


Supported Types




(Not all ordnance types may be represented in the showcase above)
LMH-1 - Base Series Designation.
P-791 - Proof-of-Concept Demonstrator.


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Images Gallery



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Image of the Lockheed Martin LMH-1 (P-791)
Image from official Lockheed Martin marketing material.

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