Bristol Siddeley Nimbus
| Nimbus | |
|---|---|
| Nimbus Mark 103 | |
| Type | Turboshaft aircraft engine |
| Manufacturer | Bristol Siddeley |
| First run | July 1958 |
| Major applications | Westland Scout Westland Wasp |
| Developed from | Turbomeca Turmo |
The Bristol Siddeley Nimbus, later known as the Rolls-Royce Nimbus, was a British turboshaft engine developed under license by Blackburn Aircraft Ltd. from the Turbomeca Turmo in the late 1950s. It was used on the Westland Scout and Westland Wasp helicopters.