Lockheed XH-51

The Lockheed XH-51 (CL-595 Model 186) was a three-bladed single-engine experimental helicopter designed by Lockheed-California a division of Lockheed Aircraft utilizing a rigid rotor and retractable skid landing gear . The XH-51 was selected as the test vehicle for a joint research program conducted by the United States Army and United States Navy to explore rigid rotor technology.

Lockheed XH-51 was an experimental helicopter design by Lockheed utilizing a rigid rotor The Lockheed Corporation (originally Loughead Aircraft Manufacturing Company was an American aerospace company 1
on the Lockheed XH-51A Compound when flying in autogyro mode.2

Made by Lockheed Corporation.

The Lockheed XH-51 (CL-595, Model 186) was a three-bladed, single-engine experimental helicopter designed by Lockheed-California, a division of Lockheed Aircraft, utilizing a rigid rotor and retractable skid landing gear .3
up to 242 mph as the Lockheed XH-51 proved in 1964.4
More Users
NASA
Jet Or Prop
prop
Height Alt
2.50 m
Length Alt
12.40 m
Max Takeoff Weight Main
4100.0
Power Alt
410.0
Lists
* List of helicopters
Range Main
226
Max Speed Alt
10440.0
Type Of Prop
Turboshaft
Loading Main
4
Power/mass Main
972.0000000000002
Developed From
Lockheed Model 86
Power/mass Alt
Height Main
8
Max Speed Main
151
Cruise Speed Main
139
Max Takeoff Weight Alt
1864.0
Ceiling Main
16000.0
Number Built
3
Span Main
1066.8
Cruise Speed Alt
9600.0
Area Main
962.0
Primary user
United States Army
Span Alt
10.67 m
Plane Or Copter?
copter
Engine(prop)
Pratt & Whitney Canada PT6B-9
Manufacturer
Lockheed Corporation
Status
Retired
Number Of Props
1
First Flight
2
Climb Rate Main
2000.0
Power Main
550 hp
Production Start Year
1962
Climb Rate Alt
10 m-s
Length Main
1242.06
Area Alt
89.4 m²
Range Alt
15600.0
Related
* Lockheed CL-475* AH-56 Cheyenne
Empty Weight Main
2790.0
Ceiling Alt
4
876 m
Category
Lockheed aircraft
Military helicopters
Rigid rotor helicopters
Produced
1962
Empty Weight Alt
1265.0
Loading Alt
21

5 tips to help with your fear of flying

This article provides individuals with tools to overcome or at least manage a fear of flying. Flying can be an enjoyable experience if anxiety is not an issue.