This SR-71 jet is 1:7.5 scale and is of wood construction. It’s length is 4.8 meters and its take-off weight is 36 kg. The tank capacity is 10 litres and the model has a flight time of max. 10 mins.
source/image(PrtSc): Essential RC
The model is powered by 2 Frank turbines with a total of 32 kg thrust. It has retractable landing gear with wheel brakes, and air brake like the original.//read more: Essential RC
The entire model airplane is a one-of-a-kind and was completed in about 2,400 working hours (2 years). The material value is about 20,000 Euros. Builder, Walter Blaß, of the SR-71 and it is flown by is son, Matthias Blaß.
The Lockheed SR-71 “Blackbird” is a long-range, Mach 3+ strategic reconnaissance aircraft that was operated by the United States Air Force. It was developed as a black project from the Lockheed A-12 reconnaissance aircraft in the 1960s by Lockheed and its Skunk Works division.