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

Development position: 189 hours running have been carried out during this period, making a total of 10,400 hours P.117: This engine has been engaged on twin disc cooling experiments P.104: 3-stage turbine. This is in abeyance until the disc cooling problem is solved on the 2-stage turbine P.146: This engine has been run at Rotol on CSU tests. It was finally rejected for metal in the filters after 252 hours P.105: This engine has been engaged on turbo-starter tests P.103: This engine has been used for clearing the wider front propeller gears and roller satellite bearings on 2472 oil Acceleration control Jet pipe temperature control Twisted main torsion bar Rear propeller shaft thrust bearing Low oil pressure Acceleration conscious CSU Anti-icing Engine inhibiting On and off ECU RTO note X.18/888/JAF P.113 failure in Wyvern VP.109