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RC/Battery Operations

Battery R/C in the AC Pacific tender.

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Engineer

Australia

Posted - 07 Jul 2005 : 07:55:14

I remembered to take a few pics of the Pacific tender as I installed the battery R/C.
Here is the stock innards. Sorry it is a bit blurry.

Although indistinct it does show the incorrect wiring for the tender track pick ups. The two Polyswitch fuses should be soldered to the other pair of terminals on the pcb.
Not a problem for me as the wiring and pcb were coming out.

I then mounted the Sanwa Digital Proportional RX up in the top of the tender with silicon adhesive.
I shortened the Sanwa antenna to about 2" and connected the Azarr 29 Mhz antenna as per the Azarr instructions and mounted it straight out with dabs of silicon adhesive.

I removed the stock AC rear weight so that I could mount the twin stick battery packs down low.

Here it is ready to close up and test run.

You can just see up in the top LH corner the rear of a bright LED I added for the rear light.
The charge jack was also mounted in the rear of the shell.
This permits charging the on board batteries or plugging in auxilliary batteries in a trail car.
As yet I don't know what the run times will be with the 14.4 volt 2100 mah Sub C NiCd cells. However the aforementioned plug in Auxilliary batteries will enable unlimited run time anyway.

The loco was left stock with the motor, lights and smoke etc being powered from the EVO-B5 Motor Driver output via the regular AC 2 wire cable. The lights sometimes flickered when the speed was ramped up or down. Never seen that before and don't know why. Can anyone offer a clue?
The owner will be adding a Sierra sound system at a later date.

Testing resulted in over 200' range.
Very smooth runner but the deep thick driver flanges don't like finer standard turnouts than the coarse stuff they were designed for.

I hope the above is of interest.

Railway Exec (Moderator)

1st Class Member

USA

Posted - 07 Jul 2005 : 14:35:08

Tony,

What is the purpose of the "Sanwa Digital Proportionals RX"?

Isn't the EVO-B5 Motor Driver an RX?

Jim

Engineer

Australia

Posted - 07 Jul 2005 : 16:39:49

Hi Jim.

EVO R/C systems use a low cost easily obtained 2 stick Digital Proportional R/C system as the method of communication.
This can be virtually any brand like Futaba, Hi-Tec or Sanwa etc.
The owner chose Sanwa because here in Australia the dealer he purchased it from will supply them without servos which reduces the price of the TX and RX.
RCS systems use my own tiny Elsema built TX and RX which most LS'ers are familiar with.

Both RCS and EVO R/C systems use the same hardware but different and replaceable operating programmes.

Engineer

1st Class Member

USA

Posted - 07 Jul 2005 : 20:40:26

Nice installation Tony,
I would be interested in the type of hookup for the trail battery car you mentioned. Are the batteries hooked up in parallel? Does that cause any possible problems if batteries are at different charge levels?
As always, thanks for all the good info you share.
Jim C.

Engineer

Australia

Posted - 08 Jul 2005 : 08:04:08

Hi Jim.
The batteries are not connected, so one cannot discharge into the other.
Here is how to do it.

Engineer

1st Class Member

USA

Posted - 08 Jul 2005 : 19:19:50

Tony, nice install!

I am working on my second RCS system for a live steam C-16. I need to find a 9 wire small size connector to use instead of the three servo connectors so I can hide it under the tender and connect three servo's with it.

Jon

Engineer

Australia

Posted - 08 Jul 2005 : 21:06:04

Jon.

You don't really need 9 wires. The Red+ and Black - are common.
I recently did a C16 and used a 7 wire connector for 3 servos and the 2 light wires.

I use them on a plug in accessory trigger part with some R/C motor drivers.

If you want I can send you the cable with plug and socket to try.
It would be without the pcb part shown here.

You would have to make up the plugs and sockets for the servos.

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