Hi James,
Think that these may help.
[ATTACH=CONFIG]234116[/ATTACH][ATTACH=CONFIG]234117[/ATTACH]
The first two are of post war rotary actuators for Teleflex. The wind direction/strength are 360 deg and 80 deg travel geared to give 5 turns output. The SBA Standard Beam Approach controller takes several turns of the handle to select the required freq which translates into rotary movement of the 2mm square output shaft.
The wind Teleflex is terminated in a screw outer with splined inner socket to match the plug end of the actuator. The SBA Teleflex has a plain outer casing gripped by the wing nut and a square socket ferrule. Only one output is usually used, the other is were retransmission of rotation is needed.
Note that all the above are rotary action of the Teleflex core.
The final two piccys are from AP 1186 for the TR9C and TR9D
[ATTACH=CONFIG]234114[/ATTACH][ATTACH=CONFIG]234115[/ATTACH]
This shows the combinations from the hand controller. I think that you have give some mistaken application to the controls.
Send/Receive is the top one (push/pull) and goes to the coupling switch in your equipment photo,
Volume is the electrical potentiometer (is this what you have assumed is the lock)
The final lever is condenser and goes to a fine worm drive that rotates the condenser for tuning.
I’ll add another post with photos of a wartime teleflex cable c/w Union Lubricators
Regards
Ross
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