| RD-7 | |
|---|---|
![]()  | |
| Tupolev Tu-22 with RD-7 engines | |
| Type | Turbojet | 
| National origin | Soviet Union | 
| Manufacturer | Rybinsk Plant No. 36 | 
| Designer | Dobrynin OKB | 
| Major applications | Tupolev Tu-22 | 
| Produced | 1952-1956 | 
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
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
External links
- RD-7 on авиару.рф (in Russian)
 
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