• Source: Dobrynin RD-7

The Dobrynin RD-7 or "VD-7" is a Soviet single-shaft axial-flow turbojet engine, which was produced in a small series. "RD" means реактивный двигатель (jet engine). Designed by designer Vladimir Alekseevich Dobrynin (the original designation is VD-7), it was intended for installation on the Myasishchev Type 103 strategic bomber (M-4, later 3M).




Variants


VD-7B:
VD-7P:
RD-7M:
RD-7M-2:
VD-7MD:




Applications


Tupolev Tu-22
Myasishchev M-50
Myasishchev VM-T
Caspian Sea Monster




Specifications (VD-7M)





General characteristics

Type: Single-shaft turbojet
Length: 7,300 mm (290 in)
Diameter: 1,410 mm (56 in)
Dry weight: 3,750 kg (8,270 lb)



Components

Compressor: Axial flow, 9-stage LP, 7-stage HP
Turbine: Axial, 2-stage



Performance

Maximum thrust: Dry: 103 kN (10 500 kgf), 157 kN (16000 kgf) with afterburner , 107/110 kN and 161/165 afterburner for later variants
Overall pressure ratio: 11
Turbine inlet temperature: 630°C
Thrust-to-weight ratio: 4.27




See also



Related lists

List of aircraft engines




External links


RD-7 on авиару.рф (in Russian)

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