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[top] General Description

The Northrop HL-10 was a NASA Langley design and was built to evaluate "inverted airfoil" lifting body and delta planform. "HL" stands for horizontal landing, and "10" refers to the tenth design studied by engineers at NASA's Langley. It was one of five heavyweight lifting body designs flown at NASA's Flight Research Center (now Dryden Flight Research Center), from July 1966 to November 1975. It currently is on display at the entrance to the Dryden Flight Research Center, Edwards Air Force Base, California.

Research on the HL-10 was conducted to study and validate the concept of safely maneuvering and landing a low lift-over-drag vehicle designed for reentry from space. Models were tested in several buildings, including the the Full Scale Tunnel: Test 267 and Test 273.

The HL-20, successor to the HL-10, is a Personal Launch System (PLS) developed by NASA Langley Research Center in 1990 as a concept for manned orbital missions.

[top] Model Testing at Langley

Test 267 in Full Scale Tunnel

Test 273 in Full Scale Tunnel

12-Foot Low Speed Tunnel

Unitary and Continuous Flow Tunnels

20-Foot Spin Tunnel

Model Shop

[top] Other Photos

[top] Videos

Landing Characteristics of the HL-10 Manned Lifting Entry Vehicle

HL-10 Model Landing Tests

HL-10 and HL-20

[top] Documents

HL-10 Historical Review. Robert W. Rainey and Charles L. Ladson. July 1969

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