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Chavez Junction
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 Posted: Fri Jun 12th, 2015 06:11 am
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Ray Dunakin
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Congrats on starting your first layout!



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 Posted: Fri Jun 12th, 2015 09:08 pm
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Salada
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Thanks Ray. Actually started & then stopped !

Temporarily overtaken by some higher priority (so I'm told) domestic rebuilding work, followed by getting our truck through it's annual road inspection and then departing on our summer travels around festivals, dance floors, beer tents etc.

But the Chavez construction crew will return this autumn !!


Regards,                Michael

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 Posted: Fri Jun 12th, 2015 11:14 pm
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Si.
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" the Chavez construction crew will return this autumn !! "

Hi Michael.

Was just trying to figure out what DVD to watch tonight...
...thanks for the inspiration...
...it's gonna be,

RETURN OF THE MAGNIFICENT SEVEN

Mmmm... or maybe a quick Clash L.P.

Cheers.

Si.

:moose:



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 Posted: Sat Jun 13th, 2015 09:16 pm
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Salada
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Sorry Si,

Oh No !!  Not the Clash.   How about a Clint Eastwood spaghetti western ?

Better still, get your creative juices flowing with paper, pencil & MMMMMMMM designs.

I'm home with a beer, totally cream-crackered from kitchen building exertions + flu.
At least model RR's don't need  Building Regs - there are so many new rules in recent years.

Cheers,      .... page 32, sub-para 3c) but, except as under sub-para 4k) if under 40 mm.

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 Posted: Thu Jun 18th, 2015 09:48 pm
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Si.
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...or a few yards of Clint Saladas spaghetti-wiring !!

:moose:

...& some boiled Brussels !!



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' Mysterious Moose Mountain ' - 1:35n2 - pt.II
http://www.freerails.com/view_topic.php?id=7318&forum_id=17&page=1

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 Posted: Thu Jun 18th, 2015 10:01 pm
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Salada
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Hi Si, thanks for reminding me about Brussels !!.

How to cook perfect Brussels (as if they didn't already cook the books eneough) :

1. Carefully choose the 'best', pare off loose leaves.

2. Place in salted boiling water.

3. Drain and then toss ...... straight onto the compost heap.

Perfect Brussels !!

Regards,          Chef Salada

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 Posted: Thu Dec 3rd, 2015 08:07 pm
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Salada
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Back home after a summer of beer, music & other wastes of time - but with some idea of the Chavez track-plan (thanks to all the guilty ones for your help !).

Having successfully given up RR modelling some years ago I was introduced to On30 by a friend. I already had an interest in Western U.S. NG and mining and the 'off-the-shelf' (store-bought) quality of various On30 manufacturers looked like it offered a quick & easy return to some simpler relaxed  modelling (wrong ! wrong !).

Having extensively researched the D&RGW NG I really wanted to recreate that expansive spacious look of easy flowing track-work - so different to Welsh & European NG - but with only a very limited floor space. So I needed efficient use of every inch in the inevitable compromise between appearance & operating interest.

                                                   --X--


For design efficiency I needed a CAD system (Cardboard Assisted Drawing)(or simply CAD in Si's case !!) as shown below :






This shows how to produce a CAD programme. Automatic CAD transitions are also possible using the string, pencil & circular waste bin lid method ! (don't laugh - it works).

The size of the CAD programmes caused some chaos in the Chavez Division Drawing Office, as below :





But underneath the chaos slowly emerged a full sized Chavez Junction west switch & yard access road, as below :





A visiting American kindly bought over some Micro Engineering flexitrack & turnouts, which I began to incorporate into the full size plan, as below :





West Chavez was then mocked up to give an idea of how it would appear, as below :






& :






It looks pretty rubbish & 'toy-train' like, doesn't it ?. Something had to change.

To reproduce that spacious flowing prototype look I had drawn the full sized junction switches based as near as practicable on D&RGW NG design parameters rather than the Micro Engineering No. 5's.

Up till this moment I was absolutely going to build Chavez using only quick n' easy store bought stuff. But I was already having doubts about the ME stuff.

- Their identical plastic ties are a scale 6.75" wide but the DRG used real wood 8".

- The 'Middle Ordinate' (explained later) of the ME switch was way over the prototype which gives a toy-like appearance but does allow rapid track diversion. 

- The Chavez Division had by now 'invested' in 2 K.27's at 4.5 lbs each. The ME switch rails are only fixed to the plastic stretcher bar by two tiny plastic pips - unless the switch rail was up really tight against it's stock rail ....... I didn't fancy trying to mend an in situ, ballasted switch rail to a plastic stretcher bar.

Don't get me wrong - the ME stuff looks really neat, way better than the Peco stuff at representing U.S. NG.

Another mock up proved the point, as below : 








I had now widened the passing track clearance to the correct scale 14', a better appearance, though at a slight loss of play-space.

But the store bought No. 5 switch still wasn't right :





Hand laid switches were the only answer, though I had never built any track-work so small before.

The last photo shows the Chavez west switch as originally drawn correctly but with the roads now lined up to match, rather than having to lead off an ME No.5. The large outer radius CAD programme shows a constant 36" rad curve as a contrast to the track-plan :





 
Beginning to better already.  More soon.

Regards,        Michael

 

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 Posted: Thu Dec 3rd, 2015 09:45 pm
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Shoulders
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Hi Michael

Love the working bench area, looks like mine crap every where!!!:thumb:

Get what your saying and what you are trying to achieve and hope you come up with a plane soon.

Building smaller scale points is the same infact a lot easier in my opinion due to a lot less filling and just a 25 Watt soldering iron (plenty).

cheers Dan



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 Posted: Thu Dec 3rd, 2015 09:49 pm
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Salada
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The necessity to hand-lay the switches required some Heath Robinson Bodge-Matic improvisation. There is no off-the-shelf DRG tie sized timber, no realistic spikes, no Code 83 track gauges. Importation/shipping/insurance/U.K. customs "fees"/U.K. tax (having already paid any U.S. tax due !) etc. rule out small personal imports.

An example of the sort of track laying standard I hoped to at least achieve :




Source: an Internet photo site, forgotten the exact C.


My first thought was to turn some roller gauges on the lathe but I inherently didn't like the minute contact area between a small roller gauge & the rail-head (though I have never used them) - I prefer a longer, firmer grip (queue Madame Salada jokes).

For Stan. Gauge 'O' gauge I've never used proper gauges, just eye + luck, but as this was my first effort at this tiny HO gauge stuff a gauge or two seemed like a good idea.
I used an ME switch to make some Bodge-Matic gauges out of laminated strip & card, as below :








You get the idea. Laminating the 'guide' bits to the exact height of Code 83, less the foot depth,  was done as below, which also shows a completed 'track gauge' :






Squaring up & gluing some separate guides for the closure rails, as below :





Heath Robinson rules !!


Regards,          Michael
 

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 Posted: Thu Dec 3rd, 2015 10:30 pm
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oztrainz
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Hi Michael,
I feel a bad case of "The Kinks" coming on :w::)



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