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[Big Ada]

And this.








and this.


Thanks for your help.

Len.

[SteveB66]

The wiper type board with all the wires looks like a Tamiya speed controller, but it is missing the ceramic heatsink.
The rest aint got a clue.

[Netleyned]

Nude servo. ???
Action P79 ?? 10 A esc.
Ned

[sparkey]

  The first is a servo without case,the second is a mechanical speed controller and the last a P79 maybe?....Ray.    

[inertia]

Whoever wrote Action P79 on the top of the little drawing in the picture was correct, for 'tis one of those. I would agree with the verdicts on the other two items i.e. bin food.
DM

[malcolmfrary]

The first one is a servo motor and board with a physically broken position sensing pot.  This could be replaced with a fresh one like this - http://www.maplin.co.uk/p/10k-andohm-carbon-vertical-sub-miniature-fully-enclosed-preset-potentiometer-uh16s - at minimal cost even from Maplin and then be used as a combined mini motor and speed control.  Possibly a previous owner intended that and managed to pull the top off the pot thus losing the wiper assembly (important bit).

[Big Ada]

Whoever wrote Action P79 on the top of the little drawing in the picture was correct, for 'tis one of those. I would agree with the verdicts on the other two items i.e. bin food.
DM

Thanks for that, so what does it do please.

Len.

[Netleyned]

It's an electronic speed  controller Len.
Will control the speed of a motor when
connected between the receiver and the motor.

Ned

[inertia]

Thanks for that, so what does it do please.

Len.

It doesn't do Google checks. Neither, it appears do you, so here's one I did earlier. http://www.componentshop.co.uk/p79-condor-10-2-autoset-computer-speed-controller.html
DM

[wombat]

Item 1 - Servo modified for continuous rotation (or broken)
Item 2 - Would need to investigate further, but I suspect it is a servo controlled reversing switch
Item 3 - P79 Electronic Speed Control

Wom

[essex2visuvesi]

Item 1 - Servo modified for continuous rotation (or broken)
Item 2 - Would need to investigate further, but I suspect it is a servo controlled reversing switch
Item 3 - P79 Electronic Speed Control

Wom

Agreed, Item 2 is indeed a Tamiya 3 Step Forwards and Reverse Speed controller, operated by a servo it has 3 forward and 2 revers speeds
There should be a ceramic resistor that connects to the 3 purply blue wires:-



Thick red & Black go to the battery
Smaller red/Black with red connector go to power the Receiver
Green & yellow go to the motor