Futaba FR23 Superhet Codemaster

Old-School Futaba Friday #2!

Today's classic from Futaba is a rare FR23 Superhet Codemaster with a whopping 1 channel. This was sold as a combo with a "FR33 Microhet Relay Receiver" in the late 60's to early 70's.

FR23 Codemaster Transmitter (features as read on original box cover):

• Choice of 6 international superhet frequencies (you needed to choose before you bought it)
• Heavy duty fuel proof case fits comfortably in the hands (sheet metal bent case...)
• Joy-stick control for rudder with micro-switch key for motor
• Signals are electronically coded automatically so servor always receive correct information. (right rudder; 1-blip, left rudder; 2-blip & engine speed; quick-blip)
• Change-over switch to convert micro-switch for manual keying
• Operated by pencells for long battery life with economy
• High radiated power for exceptional range
• All transistor circuit for reliability
• Crystal controlled oscillator circuit for spot-on frequenzy

FR33 Microhet Relay Transmitter (features as read on original box cover):

• Choice of 6 international superhet frequencies
• Featherweight, subminiature construction
• Crash resistant case and P/C board mounting
• All transistor circuit for reliability
• High sensitivity with interference rejection superhet circuit
• Low current consumption for long battery life
• High speed relay with heavy duty silver contacts
• Suitable for relay operated galloping ghost servos