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Battery powered Gn15
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Who would use battery power in Gn15
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 Posted: Sun Jan 13th, 2013 12:44 am
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jtrain
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This has been simmering in my head all day: instead of relying on track power for Gn15, why not make it battery powered? At 4:55 mountain time I hooked up my little HO scale hustler to a single AA battery and so far (about 1/2 hour) it has been running fine.

The way I see it, remote control doesn't make any sense because the layouts that Gn15 operate on are usually small, so I was thinking, why not just use a battery, hide it in the locomotive somewhere, and have a switch disguised as a lever to make the train go forward and backward:!:

The locomotive will run at low speed, and won't stall due to dirty track. and finally, my favorite, the locomotive could be run on reverse loops without any wiring. To make the battery fit, I've put it in place of the weight, so the locomotive can pull just as many cars.

Tomorrow I'm going to get thereversing switch, and I hope to give a progress report.

But I have to ask, has anyone else tried this before? Would anyone like to try?



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 Posted: Sun Jan 13th, 2013 01:41 am
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Paladin
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I suggest you check out our Radio Controll sub-forum, on Freerails

All things you mention have been discussed at length, I am sure you will find it interesting and informative.

Be happy

Don



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 Posted: Sun Jan 13th, 2013 02:43 am
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Dwayne
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Battery power is the only way to go with scales larger than HO. You can fit a Losi ESC and LiPo battery in it and have RC in the event you run it on a larger layout.



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 Posted: Sun Jan 13th, 2013 04:48 am
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W C Greene
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James-battery power in large scale is not something new, our English friends have been using batteries and DPDT switches for years on their micros and even garden lines. No, I don't suggest using r/c on a micro...that's like using a cannon to shoot rabbits. However, Dwayne is right, you might want to run the loco(s) on a larger layout sometime and you may wish you had the ability to operate the loco. But do your own thing, don't let us tell you what to do.

Woodie



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 Posted: Sun Jan 13th, 2013 06:43 am
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Ray Dunakin
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jtrain wrote:
The way I see it, remote control doesn't make any sense because the layouts that Gn15 operate on are usually small, so I was thinking, why not just use a battery, hide it in the locomotive somewhere, and have a switch disguised as a lever to make the train go forward and backward:!:

I haven't done it yet but that's exactly what I'm planning for a couple of short Gn15 mine trams on my outdoor layout.



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 Posted: Sun Jan 13th, 2013 03:19 pm
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Toeffelholm
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jtrain wrote:

... The way I see it, remote control doesn't make any sense because the layouts that Gn15 operate on are usually small, ...


Well, that depends on the way you want to operate your layout.

My Gn15 Layout that I'm currently working on, is designed for point to point and shunting operation. I need direction and proportional speed control.

But as Don already said, have a Look to the RC section.

My RC-equipped locos you find here

http://freerails.com/view_topic.php?id=2065&forum_id=17&page=2after
http://freerails.com/view_topic.php?id=4770&forum_id=17&highlight=toeffelholm+Gn15

Juergen

Last edited on Sun Jan 13th, 2013 03:20 pm by Toeffelholm



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 Posted: Tue Jan 15th, 2013 04:31 am
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jtrain
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:doh:Well, some news that I must share which brings a setback for this project. Tonight I wired up the motor, switches, and batteries and something is not right. I may have gotten a defective DPDT switch because: A, it only allows the motor to run one direction, not both like it is supposed to. And B, the batteries (AAA) sized are heating up excessively, even when the motor is turned off. :doh:

possible explanations include:

bad switch (switch causing extra resistance, forcing the heat of the battery to increase)

bad set of batteries (sometimes happens)

motor is giving too much demand for the batteries (they are AAA's afterall).

I'll have to look into this tomorrow.:dt:



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 Posted: Tue Jan 15th, 2013 04:54 am
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W C Greene
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Could it be that:
The DPDT switch is not wired right?
That is another possibility that needs to be considered.
Center posts to battery + & -, one end posts to motor + & -, and other end posts wired diagonally to the motor posts. Then it should work. Is that how it is?

Woodie



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 Posted: Tue Jan 15th, 2013 09:27 am
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Toeffelholm
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James,

from your description I would subscribe to Woodies suspicion. Perhaps it is senseful to post a sketch of your wiring.

Juergen



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 Posted: Tue Jan 15th, 2013 02:11 pm
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jtrain
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okay, here is the diagram. I do believe it is wired correctly, and it is just that something isn't matching (amperage, voltage, or some other thing)



very proffesional, I know.;)

Last edited on Tue Jan 15th, 2013 02:12 pm by jtrain



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