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'Tam Valley' DRS1 Wiring ?
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 Posted: Sun Nov 15th, 2020 10:00 pm
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Eric T
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Location: Washington USA
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I'm starting a DCC conversion in a G-scale locomotive,
and would like the option to have 'Battery Powered Radio Control' in the future.

The system I want is the DRS1 MKIV, so I can use my existing DCC equipment,
but I haven't seen any of those in person yet.


How many wires do I need from the receiver in the tender to the decoder in the locomotive,
and how much space would be left for batteries ?

The usable inside dimensions of the tender are just over 3" x 2.25" x 1.25"


Also, what batteries might fit in that space,
that would be the optimal voltage and have long run-time ?


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 Posted: Sun Nov 15th, 2020 10:38 pm
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Steve P
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Eric

I run G-gauge locos with 'Battery Powered Radio Control', see here.

I decided there just wasn't enough room in the loco/tender,
so I put the electronics in 1 boxcar, and the batteries in a 2nd.


Long term plans are to use the MTH locos in DCC mode,
and use DCC++ to replace the rather large MTH Track Interface Unit.
 
Which would allow both track controller and batteries,
to fit in a single boxcar or passenger car.

Steve




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Beaver Lode Railway
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 Posted: Mon Nov 16th, 2020 12:32 am
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Eric T
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Hello, Steve.

That doesn't sound promising,
since I like to run small switching locomotives, especially for operations.


Perhaps we're thinking of different systems.

I found the DRS1 receiver with built-in DCC booster for G gauge is 2.7" long and 1.2" wide. 
They also sell a 3400mA 13.8v battery that is 2.75" x 1.46" x 1.46"


I'm guessing I should be able to easily fit a battery and receiver into my tender,
and get approximately 3 hours of run time.

Seeing how my loco's motor should only draw up to 1 Amp.


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 Posted: Mon Nov 16th, 2020 01:25 am
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Steve P
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Eric, 

My goal is to run large locos (eg. MTH Big Boy) with long consists.  
I also am setting up a large outdoor track, about 750' at last measure.

I guestimate I will be drawing about 3 Amps for the loco,
plus a not insubstantial draw for the CPU and and Wi-Fi.  

I am using Keeppower's 26650 5200mAh cell. 
So maybe 1.5 hour run time. 

Steve




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Beaver Lode Railway
https://evvette.net/trains/
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