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Underground Ernie "Two Car Set"
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 Posted: Thu Aug 12th, 2010 07:08 pm
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Bill Fornshell
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Underground Ernie "Two Car Set"

Their have been several posts about the Underground Ernie "Inspection Vehicle" like this one:

1.


2.


Bogie Wheelbase: 25mm
Wheel Diameter: 10.5mm

I don't think I have seen anything about the Underground Ernie "Two Car Set", 1 motorized car + 1 non-motorized car. A friend in the UK sent me several of both types to play with. They are made by Bachmann and all ran very good out of the box. Both models show up on British ebay and can still be found in some stores in the UK. MSRP for these are about 20 "UK" Pounds but like everything they can be found cheaper.

Bogie Wheelbase: 24mm
Wheel Diameter: 10.5mm
Bogie Centers: 69mm

3.


4.


5.


6.


7.


8.


9. Bash Fodder ??


10. Boulder Valley Models (On30) Cab


11. Boulder Valley Models (On30) Cab


Both models run on 16.5mm track.

Last edited on Fri Sep 3rd, 2010 06:17 am by Bill Fornshell

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 Posted: Fri Sep 3rd, 2010 02:04 am
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Bill Fornshell
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Photo's of my GE-IR Diesel Model using the power unit from one of my Underground Ernie "Two Car Sets"


5.



6.

Last edited on Sun Sep 26th, 2010 06:42 pm by Bill Fornshell

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 Posted: Wed Dec 12th, 2012 08:39 am
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wahiba
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Getting the eye rolling gear box can be a bit tricky.

The power chassis needs some weight added to improve traction if you intend it to pull something. They run quite well on their own, but without the traction weigh will pull sfa.

The side pieces by the wheels just pull off, need a bit of a tug. The centre of the chassis can be a bit wide and need cutting off.

Picked up a few a £9.99 so having to make a layout to use them. Still working out the best way to convert to third rail operation (I like to be different!). Not much room under the bogies.



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David.
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 Posted: Wed Dec 12th, 2012 02:44 pm
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Herb Kephart
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Is your third rail centered as in Lionel, or off to the side like US prototype RR's?


Herb 



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 Posted: Wed Dec 12th, 2012 05:12 pm
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Bill Fornshell
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wahiba,

I have converted a few three rail engines to two rail RC with battery engines.



http://www.freerails.com/view_topic.php?id=3946&forum_id=53

What scale are you working with? Do you just want to use the power truck from Ernie as a donor for another loco or convert the Ernie to three rail? What scale is your three rail? Are you planning to re-gauge the Ernie?

It would seem you could add the center rail roller system to the Ernie model and convert it to three rail but I don't know how that would work using 16.5mm track.

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 Posted: Thu Dec 13th, 2012 07:53 pm
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Kitbash0n30
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Bill Fornshell wrote:

11. Boulder Valley Models (On30) Cab


Both models run on 16.5mm track.
That joker is just begging to be on a DDA40X mechanism.



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 Posted: Thu Dec 13th, 2012 08:34 pm
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W C Greene
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Bill-3 rail 16.5MM? Hmmm, MARKLIN has that covered but instead of a rail, they have studs. I used to know a lady who had a stud in her tongue....oh, never mind.

Three rail r/c? To use another movie quote-"just because we can do it does it mean that we should?"
Boudreaux



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 Posted: Thu Dec 20th, 2012 05:11 pm
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wahiba
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I am working on 16.5mm gauge.

The three rail thing came about when I discovered three rail automation whereby a following machine acts as the switch for the one in front. It is popular with model tram enthusiasts who realistically collect from the overhead.

Doing my own thing I decided to model the 'wireless' tram using a third rail in lieu of the overhead. Methods used in the past have included studs that switch on as the tram passes over, and a live rail in a slot. The latter was quite extensive in London at one time.

Current systems include a variation on the stud from Ansoldo. Basically a segmented centre rail with segments only live under the tram. There is also a high frequency induction system from Bombardier.

I have acquired Hornby and Trix three rail track. Hornby track is lovely stuff but is no good for three rail automation as the running rails are not insulated from each other. Trix twin however has insulated running rails. So far my early three rail conversions run on both types of track.

I am working on a layout which will be three rail using Peco track. Peco supply a third rail and fittings to be used on the edge or centre as required.

I am working to OO 1/76 scale which means 16.5 mm represents nearer 4' than standard gauge. As the local long defunct tram system was to 4' gauge my whatif layout has a certain local realism.

However, before this occurs I really need to make a decent centre collector for the UE chassis. Still work in progress but I have a few more ideas to try out yet.



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David.
One day I might finish something................. find out if I do at my own paid for site (under construction)
http://www.picsntech.co.uk
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 Posted: Wed Feb 5th, 2014 05:31 pm
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wahiba
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My experiment using Underground Ernie chassis with assorted quick card bodies.

Interestingly the chassis will get around a reasonably tight curve. The base board in the video is 4' x 2'.



It has been a a bit dormant for a while. I am going to try and put a over head on it so that I can have four trams running together.

David



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David.
One day I might finish something................. find out if I do at my own paid for site (under construction)
http://www.picsntech.co.uk
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 Posted: Thu Feb 6th, 2014 01:04 am
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Herb Kephart
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This is like the carnival ride where the ticket buyers stand around the inside of a large drum, which starts rotating. When a certain speed is reached, the drum floor drops, leaving the people (hopefully) plastered up against the drum wall by centrifugal force.

Except what happens on the straights?

Herb



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