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

Development position: 178 hours running have been carried out during the period, making a total of 10,782 hours P.117: This engine has been employed entirely on turbine twin disc cooling experiments and the various devices referred to in the last minutes for increasing the airflow up the turbine disc did not make any appreciable improvement in temperature P.103: This engine has been used for turbo-starting tests and we have been measuring the back pressure in the exhaust system P.105: This engine was returned from Rotol after 94 hours on ICU development P.146: This engine has been despatched to Rotols for 100-hour endurance test on ICU. Up to date 90 hours have been completed successfully P.240: This engine has been allocated for modification approval test Acceleration control Jet pipe temperature control Low oil pressure Acceleration conscious CSU (ICU) Anti-icing Positively earthed reverse torque switch Measuring top temperature Alternative fuels Fuel pump seizure Failure of exhaust cone bellows joint on P.130 Turbine feed manifold Layshaft bearing nuts Loose igniters RTO memos