SM-4

from

JSC R.E. Alexeiev Central Hydrofoil Design Bureau

The SM-4 appears to be a further development of the SM-2P7. It is a two-seater with a remarkable dorsal nose rudder. It was used as a trainer and had two turbojet engines, both internally mounted in the fuselage, one forward for providing PAR thrust (KR7-300) and one aft (RU19-300) for cruise thrust. Its wing has an aspect ratio of about 2.

Technical data

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Plan views

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Pictures of SM-4

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picture	size (b)	by	description
	17481	A. Belyaev	SM-4 showing off its amphibious capabilities
	23033	A. Belyaev	SM-4 coming ashore
	18268	A. Belyaev	SM-4 cruising over snow

Movies of SM-4

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movie	size (kb)	remarks
	926	The SM-4 (CM Tchitirie) has a front rudder that was probably due to what is usually called weather cockering. Her tail was so big she was always going in the direction of the wind. In one of the sequences here, the cameraman (and the pilot) offer us a thrilling passing. Movie provided by: D. N. Sinitsyn - EAGES
	820	Just enjoy the amphibious and earth and dust proof characteristics of the Russian technology. A funny one ! Movie provided by: D. N. Sinitsyn - EAGES

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