Alfa / Russian SSN Airplane Model

The Project 705 Alfa class constituted the world's fastest and deepest diving submarines of their time. The submarine featured a high power-to-weight reactor to increase the power-to-weight and volume ratios of her propulsion plant, the first use of titanium for the hull, extensive automation, and advanced drag-reduction configuration. Project 705 originated in a 1957 requirement for a 1500 ton "interceptor" submarine capable of a speed of 40 knots that would sortie to attack American aircraft carriers. Using a titanium alloy allowed the thickness and weight of the hull to be reduced, producing a remarkably small, very fast submarine. Around 1963 the design was substantially revised, with the displacement was increased to 2,300 tons, the number of internal compartments increased from three to six and the size of the crew was doubled. Construction of the first Project 661 prototype unit began around 1965, which was completed at the Sudomekh shipyard in Leningrad in 1972. The prototype w