Founding Father
Pages from Victorian Model News Issue 17 October 2012
Engine Maintenance
Engine Tuning
Venturi Sizing Chart
Glow Fuel Mixture Chart - Dave Nobes
Tuning an OS LA for Stunt
The Low Tech World Beater
History of the Ringmaster
Ringmaster 526/576 (Plans available from Steve Vallve for more conventional wing version)
Sewn Hinges
Ringmaster Report 2018