RCM&E - Radio Control Models & Electronics magazine June 1973. 

Contents include: Straight & Level - electric powered STOL, history of electric flight, gull wings, Radio Motor Commentary - OS Max 40 R/C tested, K&B 40 geared twin, Super Tigre G.40 ABS pylon-racing engine. RCM&E photo-tach project to build. Dennis Tapsfield’s Doublet plan feature. Charles Toms’ semi-delta 42” span mini Swelta. Eric Smurthwaite’s Chippewa autogyro revisited. Introduction to R/C helicopters pt 3. Slope Soaring - adjusting & caring for your transmitter, manoeuvres - 4 point roll. Thermal Soaring - California challenge, Neil Webb’s Io 120, starting soaring. Du-Bro Whirlybird 505 kit review. David Boddington’s You Have Control pt 7. R/C land speed record attempt.