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Daniel L. Berek
Experimental Aircraft

Daniel L. Berek's Photo Gallery

Total 3,022 photos. 185 in this folder. Contact Photographer

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62-0001 1964 North American XB-70A Valkyrie, c/n 278-1

, DWF , 2013-04-13

Truly a plane worth its weight in gold!

44-44553 1944 Fisher P-75A Eagle, c/n 5

, DWF , 2013-04-13

This is what you get when an auto body company tries to copy a P-51 Mustang and insert a powerful turboprop engine driving a high-performance contra-rotating propeller. As with a giant Lego set, the aircraft had components from various WWII aircraft.

46-677 1946 Northrop X-4 Bantam, c/n Not found (46-677)

, DWF , 2013-04-13

The X-4 was developed for the study of flight characteristics of swept wing semi-tailless aircraft at transonic speeds (about Mach .85).

46-680 1948 Republic XF-91 Thunderceptor, c/n Not found 46-680

, DWF , 2013-04-13

This aircraft was the first U.S. rocket-powered fighter to exceed the speed of sound.

54-1620 1954 Ryan X-13-RY Vertijet, c/n Not found 54-1620

, DWF , 2013-04-13

Yet another unusual experimental flying machine from the Eisenhower era.

50-1841 1951 American Helicopter Company XH-26 Jet Jeep, c/n Unknown

, DWF , 2013-04-13

This aircraft was the result of a 1951 U.S. Army request for one-man pulse jet-driven helicopter for aerial observation. The main problem was that the pulse jets were extremely noisy, forcing the cancellation of the program.