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).
| RD-7 | |
|---|---|
 | |
| Tu-22 bomber with RD-7 engines | |
| Type | Turbojet |
| National origin | Soviet Union |
| Manufacturer | Rybinsk Plant No. 36 |
| Designed by | Dobrynin OKB |
| Major applications | Tupolev Tu-22 |
| Produced | 1952-1956 |
Variants
- VD-7B:
- VD-7P:
- RD-7M:
- RD-7M-2:
- VD-7MD:
Applications
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
- Overall pressure ratio: 11
- Turbine inlet temperature: 630°C
- Thrust-to-weight ratio: 4.27
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External links
- RD-7 on авиару.рф (in Russian)
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