In a PM Graeme had commented that the aircraft I posted at Post #930 as the Russian built EF-140 the aircraft that was the subject of my challenge was not the same aircraft. He is in fact correct the aircraft at Post #930 was the EF-140R a different version of the 140. The EF-140R was powered by two Kimov VK-1 engines derivatives fron the RR Nene engine. The Challenge aircraft was the Prototype Russian EF-140 with two MikalinAM-TKRD engines as shown here:-
