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Author Topic: N Scale Hi Rail - Retro Hollow Core Door Layout  (Read 183720 times)

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wm3798

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Re: N Scale Hi Rail - Retro Hollow Core Door Layout
« Reply #1110 on: September 30, 2020, 02:09:20 AM »
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Oh!  I like that!  Thanks
Lee
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DKS

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Re: N Scale Hi Rail - Retro Hollow Core Door Layout
« Reply #1111 on: September 30, 2020, 05:27:23 AM »
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Quote from: nkalanaga on September 30, 2020, 02:02:43 AM
A solution if you want all rotary switches:  Divide the tracks into groups, with the groups on one switch.  The, route each group through it's own switch, to choose the track. 

It looks like you have about 20 tracks (I didn't count too carefully), so a 3-position and 3 8-position switches will do the job.  That would give 24 tracks, more than enough.  Use a larger main switch if you might add more tracks/groups in the future.

No need for an accurate diagram, just a main switch, lines from it to the group switches, and number the tracks on the group switches.

There's a much simpler way to do this...

https://www.ebay.com/itm/Oak-24P-24-position-rotary-switch-Electroswitch-single-pole/324257358912

https://www.ebay.com/itm/STACKPOLE-ELECTROSWITCH-1-POLE-24-POSITIONS-BBM-ENCLOSED-NOS/233666509148
« Last Edit: September 30, 2020, 05:29:37 AM by DKS »
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wm3798

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Re: N Scale Hi Rail - Retro Hollow Core Door Layout
« Reply #1112 on: September 30, 2020, 10:39:38 AM »
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Ordered!  That was easy!  I even have a knob I can put on it.  I hadn't even considered just looking for one of these!

What would a busy ADHD guy do without the love and support of TRW!

Lee
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wm3798

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Re: N Scale Hi Rail - Retro Hollow Core Door Layout
« Reply #1113 on: September 30, 2020, 11:07:26 AM »
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Meanwhile, in other Retro News, I bought a junker of a Rivarossi Mike for next to nothing... it came with the drivers all out of quarter and the motor missing, a few bits broken off the boiler shell...  I figured what the heck.

The boys in the Laurel Valley Back Shops love an experiment.  I quartered up the drivers and got everything tightened up, and using a screw gun tested the drive...  It appears to roll smoothly once everything is where it's supposed to be.  The frame seems good and sturdy, so it must be a later issue after the Zamac disease was cured at the factory, but the motor mounts indicate it was probably powered by one of the RR can motors that were notoriously iffy.

I have some small 9 volt motors that I ordered on the recommendation of @mmagliaro , along with the necessary diodes to adjust for 12v track power, so my next step will be to first build a drive shaft and wiring to get it to mesh with the internal worm, then a motor mount to get it to sit where it needs to sit.



While I'm "gearing up" to do the power swap, I also removed the dummy coupler from the pilot and installed a Bachmann dummy boxing glove.  It's just experimental, I'd like to have at least one of my Mikes to have a functional coupler on the pilot (if not a decent looking one) so I can run them in tandem.  I've got to open up the mounting hole a bit so it swivels better, but in principle it fits.  Note that I have a kajillion of the screw mount Bachmann dummies since they come packaged with the T shank ones I'm using on some of my passenger cars, so this may be a possible use for them.

Back to work now!
Lee
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Point353

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Re: N Scale Hi Rail - Retro Hollow Core Door Layout
« Reply #1114 on: September 30, 2020, 12:28:39 PM »
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The cam plus roller micro switch arrangement could also be used to automatically route power to the roundhouse stall tracks.
An advantage of that method is that there would be no confusion about which track (out of 20, or more) has been selected with the rotary switch.
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davefoxx

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Re: N Scale Hi Rail - Retro Hollow Core Door Layout
« Reply #1115 on: September 30, 2020, 01:07:20 PM »
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Quote from: wm3798 on September 30, 2020, 11:07:26 AM
. . . and using a screw gun tested the drive... 

Oh, I would have loved to have seen this.  What speed did you get it up to?  ;)

DFF
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Philip H

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Re: N Scale Hi Rail - Retro Hollow Core Door Layout
« Reply #1116 on: September 30, 2020, 02:03:04 PM »
+1
Quote from: davefoxx on September 30, 2020, 01:07:20 PM
Oh, I would have loved to have seen this.  What speed did you get it up to?  ;)

DFF

Ludicrous Speed!

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DKS

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Re: N Scale Hi Rail - Retro Hollow Core Door Layout
« Reply #1117 on: September 30, 2020, 04:38:39 PM »
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Quote from: Philip H on September 30, 2020, 02:03:04 PM
Ludicrous Speed!



They also went plaid! Wait, are they Railwire members?
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wm3798

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Re: N Scale Hi Rail - Retro Hollow Core Door Layout
« Reply #1118 on: September 30, 2020, 05:38:45 PM »
+1
Actually not that fast at all.  The gear reduction in these things is quite substantial.  Even at half speed, the screw gun generates barely the RPMs of the old motor.
I'm looking forward to having a smaller motor with a lower top end to really make the engine able to crawl.

Lee
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DKS

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Re: N Scale Hi Rail - Retro Hollow Core Door Layout
« Reply #1119 on: September 30, 2020, 05:58:33 PM »
+2
Quote from: wm3798 on September 30, 2020, 05:38:45 PM
I'm looking forward to having a smaller motor with a lower top end to really make the engine able to crawl.

Yeah, especially since the screw gun would not only look ludicrous sticking out the back of the loco, but it would be a b*tch getting it through the tunnels... :trollface:
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peteski

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Re: N Scale Hi Rail - Retro Hollow Core Door Layout
« Reply #1120 on: September 30, 2020, 06:15:13 PM »
+4
Quote from: wm3798 on September 30, 2020, 11:07:26 AM
I have some small 9 volt motors that I ordered on the recommendation of @mmagliaro , along with the necessary diodes to adjust for 12v track power, so my next step will be to first build a drive shaft and wiring to get it to mesh with the internal worm, then a motor mount to get it to sit where it needs to sit.


Those 6-pole motors Max recommended are amazing! They have coreless-like torque, negligible cogging, and are quite inexpensive.  Plus, the more Poles, the merrier!   :D
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amato1969

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Re: N Scale Hi Rail - Retro Hollow Core Door Layout
« Reply #1121 on: September 30, 2020, 08:54:36 PM »
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Quote from: peteski on September 30, 2020, 06:15:13 PM
Plus, the more Poles, the merrier!   :D

I see what you did there @peteski !!! :D

  Frank
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peteski

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Re: N Scale Hi Rail - Retro Hollow Core Door Layout
« Reply #1122 on: September 30, 2020, 09:11:09 PM »
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Quote from: amato1969 on September 30, 2020, 08:54:36 PM
I see what you did there @peteski !!! :D

  Frank

I don't know what you're talkin' 'bout.  :D
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wm3798

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Re: N Scale Hi Rail - Retro Hollow Core Door Layout
« Reply #1123 on: September 30, 2020, 11:11:24 PM »
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Excited about the prospect of empowering the Mike, I rummaged through the bins and found an 0-8-0 and a Pacific I can also do.  I did the screw gun test and found the drives stable and smooth turning.
The junk box is paying off!
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nkalanaga

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Re: N Scale Hi Rail - Retro Hollow Core Door Layout
« Reply #1124 on: October 01, 2020, 02:00:55 AM »
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DKS:  Good find!  I never knew, or suspected, that they made a 24-position rotary switch.
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N Kalanaga
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