CL-400 "Suntan" (Picture I) http://crisisofdemocracticstates.blogspot.com/p/lockheed-cl-400-suntan.html Kimmo Huosionmaa Lockheed CL-400 "Suntan" test plane from 1950's is not so well-known as the U-2 or some other reconnaissance planes, what were made under the legendary C.H "Kelly" Johnson at the Lockheed "Skunk Works". This plane was the first attempt to create the hydrogen-powered aircraft, and the experience of that plane was after used to create "Skylon" space planes and other hydrogen-powered aircraft. "Suntan" is looking unique, because the motors are at the end of the wings, and that solution gave extra protection for the test pilot because if the motors were exploded, the debris would not come thru the fuselage. Other reasons for that solution was, that it gave more space in the fuselage, and the heat of those motors would not warm the fuel tanks. Sometimes have been mentioned, that the position of t...