Letter from Armstrong Siddeley Motors to Admiral Slattery, Short Bros & Harland Ltd:...

Below is our quotation for one hundred Mamba 6 engines with corresponding ECUs: 100 Armstrong Siddeley Motors Mamba Ma.6 bare engines to standard MoS specifications each engine complete with the following standard engine accessories, Fuel system complete, Exhaust cone, Starting booster pump, Anticipator (including JPT selector unit), Jet pipe temperature control at £11,900 per engine (net ex-works unpacked). Not including: ECU parts, Jet pipe and nozzle, Jet pipe temperature control unit. The engines would be manufactured to the standards established for the supply of similar engines to the British MoS and the appropriate test requirements ruling at the time would be applicable. 100 set of engine change unit parts in accordance with the following list at £1,050 per set (net ex-works unpacked)