Armstrong Siddeley Motors: Minutes of a meeting to review the Python position

Development position: 106 hours running have been carried out during the period, making a total of 11,031 hours P.240 This engine is ready for modification approval test, the modifications incorporated being detailed in Development Department note of 20 October 1952. The test is being run on EEL.3 oil and we are at the moment in difficulty with the pump, being unable to keep the engine free from oil, although on standard oil it is perfectly satisfactory P.146: This engine is undergoing visual tip clearance tests with the single disc and with the twin disc turbine P.103: We have been endeavouring to record turbine entry temperature on this engine and have tried two types of thermo couples, one of the integrating type and the other the standard RAE type P.105: This engine has been at Rotol for the period mainly carrying out final tests on ICUs. Acceleration control Jet pipe temperature control Anti-icing Low oil pressure Alternative fuels Fuel pump seizures Positively earthed reverse torque switch Turbine feed manifold New tabwashers for layshaft bearing nuts Loose igniters Propeller thrust bearings Turbine blade fit Damaged compressor on production engine P.166 Carrier brush Front end seizure P.192 Fuel pipe failures on P.239 Flight idling stop setting BTH starters Roller bearings RTO memos