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DCC Tec Support
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 Posted: Wed Nov 23rd, 2011 02:59 am
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UNCLE BOB
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I need to talk with someone who knows their DCC.  Is the send unit that connects to the track DC powered?

What I'd like to do is install a complete (HO) wireless DCC system inside a large scale locomotive, powered by onboard batteries with the reciever connected directly, bypassing the track.

HELP!  :us:



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UNCLE BOB
Modeling the EXPERIENCE of 2ft narrow gauge by REPLICATING the equipment.
(The greatest bane to creativity is preconception)
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 Posted: Wed Nov 23rd, 2011 10:33 am
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Paladin
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I can not be of much help.

Track power is AC

Under normal DCC operation the signal is sent via the Booster to the tracks.

I am sure others will be of more help.

Don



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Don McL
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 Posted: Wed Nov 23rd, 2011 03:14 pm
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Herb Kephart
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Take a look at the Stanton radio control system now sold by Northwest Shortline.

Not exactly what you asked about, but an excellent system that is simple to install, and understand--that will do everything you probably are looking for.

Herb 



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 Posted: Wed Nov 23rd, 2011 04:33 pm
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UNCLE BOB
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Thanks for the tip, I'll check into it.   What I'm trying to do is use HO sound but with a bigger speaker.  Lance Mindheim says it sounds great and I have room.  Also want to control lights, ditch lights, horn, bell, etc.

As this project would be a single track to its self, looks like the best bet is just run DCC track power, as intended.  Even if I could manage the onboard AC power, I doubt I could shoe-horn all the componrnts inside a locomotive, even in 1/29 scale. :bang:



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UNCLE BOB
Modeling the EXPERIENCE of 2ft narrow gauge by REPLICATING the equipment.
(The greatest bane to creativity is preconception)
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 Posted: Wed Nov 23rd, 2011 05:30 pm
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W C Greene
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Bob-as much as I love radio control, sound effects are (to me) like toys on the floor at Christmas...I can do without noise! I would suggest going with CVP PRODUCTS "Airwire" r/c system. It is made just for large scale and can have sound added also. I have known the owner of the company for over 30 years and he is one of the pioneers in DCC and now is looking at r/c. You might look CVP up on the net, their products are great and are made in the USA, not by robots in China. Everything you want is possible with CVP's "Easy DCC" and their r/c also. I HAVE NO STAKE IN THIS COMPANY, I JUST APPRECIATE PRODUCTS MADE HERE. My two bits..
Woodie



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 Posted: Wed Nov 23rd, 2011 06:07 pm
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Stanton
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Bob,

The S-CAB system will do what you want. Its smaller and less expensive than "AirWire". For sound, S-CAB uses SoundTraxx Tsunami decoders. You don't need DCC on the track. Plain vanilla DC will do the job if you decide to use track power. If you choose battery power, I suggest a LiPo (Lithium-Polymer) battery pack with external battery charger. If its a really small loco with very efficient motor, you might be able to use a complete on-board battery power supply (BPS), which automatically charges the battery whenever there is track power.

For more info send me a PM.



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Neil Stanton
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 Posted: Sat Nov 26th, 2011 02:37 am
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UNCLE BOB
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I'd like to thank everyoue for taking the time and interest to pass along all this good informaation.  This is going to be one of those "as time and MONEY become available" projects so it could take a while' but thanks.  :wave: You've been a big help.



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UNCLE BOB
Modeling the EXPERIENCE of 2ft narrow gauge by REPLICATING the equipment.
(The greatest bane to creativity is preconception)
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 Posted: Wed Nov 30th, 2011 02:44 am
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titus
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Uncle Bob --

Just wanted to mention I've got an S-CAB+BPS and it pretty much works exactly like it's described. I feel like it's a product that lives up to what it promises. Most of the issues I've run into with it relate to space and getting things to fit, which if you're in large scale are very likely to not be an issue at all. It's affordable and works. I'm not sure if there's much more I could ask for!

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 Posted: Wed Nov 30th, 2011 03:53 am
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Stanton
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Hi Titus,

There have been other requests to "make it smaller". Here's the update.

The newest version of the BPS measures 2.5"x0.75"x0.375" and has the same capability as the original. The battery is now the largest component and it's volume is closely related to storage capacity. I'm experimenting with a battery roughly the same width as the new BPS (0.75") with maybe 400 to 500 mAh storage. We can wire batteries in parallel to get more capacity. The new BPS is fully tested, but a smaller battery is work in progress.



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 Posted: Wed Nov 30th, 2011 04:09 am
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titus
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Neil,

I had a strong feeling that the electronics would get smaller over time and was actually planning on it a bit. :2t: Thus far I've only really converted the On30 2-8-0 which has a nice big tender to fit everything into but -- to be fair I wired up the S-CAB to 4 other things just to play with it. After years of track power it's still "magical" to be able to control a train and run it on the workbench with no track.

What I'd really like to do is get a pair of On30 Forney's setup with R/C+battery. Their bunker is a bit too small for the receiver+decoder+BPS+battery. As you say, the smaller the battery the smaller the capacity. I was wondering if it would be possible to use an extremely small battery and simply have wired tracks at either end of the layout. Basically, the battery only has to last between point A to point B and it can charge while on some main sidings or in front of a depot. In my head of course it works but I'm sure there's some other detail I'm missing.

Either way, I'll likely be hitting you up for one of those smaller BPS's once they become available.

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