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Gilshrat

Making a 14 Guage Wire that Can Plug into the DCS50K

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Gilshrat

So I am using a DCS50K (Kato Part No. 29-119) DCC system to run my Japanese train layout. I currently am using the standard wire connectors and splitters that come with Kato track (Item No. 24-825 & 24-827). However, I am having issues with power drop and poor DCC single pick up by some of my locomotives. These wires use 22 gauge wire which is considered thin for a standard DCC power bus. I am thinking of making my own power bus using 14 gauge wire. However I need to make a custom plug so I can connect the power bus to my DCS50K.

 

Does anyone know if you can purchase uncrimped versions of the plugs used by Kato so I can make my own power cables? If you can, what are the called and who makes them? Part number?

 

Thank you in advance for your suggestions and help.

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cteno4

Yes, true micro tamyia r/c connectors will work. But be aware most of the ones on ebay that are listed as mini Tamiya do not work with the Kato, they are jsut a tad off. I’ve tried 3 different ones on ebay and none yet work. One of the very few times I’ve gotten incompatible parts like this.

 

best source from a good hobby shop for true micro tamiya connectors, not “compatibles”. Best then even to just buy one and check to make sure or make sure you can return them. They are not cheap. 

 

jeff

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chadbag

I've been using 20ga and 22ga for DCC without issue.  What I do is run a 14ga "bus" form my command station or booster and then branch off several feeders from that so that the last foot or two feet is the 20-22ga and there are multiple feeders every couple track sections into the track.

 

My track is also broken up into "detection zones" so I have a 14ga bus (sometimes 16ga depending on what I have) for each zone.  Makes for lots of wire.  I used to run a single 14ga or 16ga feeder to each zone but the wires are fact and don't pass easily under the track and stuff for a table top layout like I currently have so I went to the thinner multiple-feeder wire based on others' experiences and suggestions.

 

Edited by chadbag

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inobu

14 Gauge is over kill. I just completed a Lionel O Scale layout and used 16 awg on the bus 18awg on the feeds.

165ft track 8 zones Their power supplies are called Bricks 10 amps 18v. Remember our N Scale stuff like the DCS50K is 2.5 to 3 amps.

 

Like Chad stated the zones are the critical factor. If you increase the zones the load/amperage requirements decrease therefore the wire gauge can decrease (small diameter)

The position of the DS50 makes a difference. Centering it in the middle of the layout where all the feeds are equal lengths helps. 

 

Dropout are mostly derive from dirty track, wheels, track geometry, track jointers and feeders. If the track has been snapped together a number of times then thats the most

probable cause.

 

like Jeff said the connectors are expensive. Those connectors are for convenience.

 

If the layout is permanent use terminal blocks.

 

Inobu.

 

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cteno4

Yeah 12 and 14 are usually for the big setups like ntrak that have a lot of connectors and track differences. I think many just move over to using that on home layouts then a fraction of the size. Terminal blocks are nice as usually very solid connection and flexible. I like the euro that have the nice curved plates that tighten around the wire.

 

plug style connectors actually end up with 3 connections per plug, 2 for the leads and one for the plug so more places for noise which effects dcc signals more.

 

you can also pop the pins and plugs out of a Kato connector with a flat head screw driver. You cna then uncrimp and recrimp and solder new wire on and pop the connector shell back on. They usually clip back in but if the pop out a little epoxy or uv glue (one Of the few locations uv glue works well) in the back end will Fix that.

 

jeff

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katoftw

I have just chopped up the original cables and used the ebay ones. As Jeff noted, they are different. But as long as you make a conversion cable, then it does matter what is in the middle cables.

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cteno4

Only issue with this is you will have an amp bottleneck at the little bit of 22g wire leading to the Kato plug.

 

jeff

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Costas

For future reference you guys might want to try these Mini Tamiya connectors from Hobby King rather than the eBay variants (more chance of them fitting correctly?).

 

https://hobbyking.com/en_us/mini-tamiya-connector-male-10pcs-bag.html?wrh_pdp=3

 

https://hobbyking.com/en_us/mini-tamiya-male-gold-connector-10pcs-set.html?wrh_pdp=3

 

 

Edited by Costas
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cteno4

Good price, have you ordered these from them? shipping is decent as well. Thanks.

 

I got a batch over 5 years back from an rc hobby shop that worked. I’ve only gotten 1 batch from ebay that worked, three not so no more there!

 

Jeff

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