avia.wikisort.org - Engine

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).

RD-7
Tupolev Tu-22 with RD-7 engines
Type	Turbojet
National origin	Soviet Union
Manufacturer	Rybinsk Plant No. 36
Designed by	Dobrynin OKB
Major applications	Tupolev Tu-22 Myasishchev M-50
Produced	1952-1956

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: 7300 mm
• Diameter: 1410 mm
• Dry weight: 3750 kg

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)

На других языках

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- [en] Dobrynin RD-7

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[fr] Dobrynine RD-7

Le Dobrynine RD-7, aussi parfois désigné Kolesov VD-7, est un turboréacteur à simple flux et postcombustion d'origine soviétique, conçu par l'OKB Dobrynine. D'une taille très importante pour un turboréacteur à simple flux (plus de 7 mètres), il développe une poussée avec postcombustion de plus de 15 tonnes.

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[ru] РД-7

РД-7 (ВД-7) — советский одновальный турбореактивный двигатель, производившийся малой серией. Аббревиатура РД означает «реактивный двигатель».

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