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.
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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.
(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.
Ribbon graphics not necessarily indicative of actual historical campaign ribbons. Ribbons are clickable to their respective aerial campaigns / operations / aviation periods.
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Image from official Lockheed Martin marketing material.
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United States (probable)
