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1:22,5 G-scale, (45mm track), live steam „reconstruction“ of the 
Kitson Meyer Type5 with additional rackzylinders 0+8+6+0 for the Transandine Railways, Chile/Argentinia

Type 5 Kitson-Meyer, a locomotive for the Transandine (Trasandino) railway line between Chile and Argentina.

This line with its track separation of 1 meter (3 ft and 3.37 inches), was an absolute masterpiece of a high-mountain railway line.
The Transandine Railway overcame the 2,409 meter (7,903 foot) height with inclines of up to 7.69% by using, for part of the way, an Abt rack system. Both, people and freight were transported.

The design of the Type 5 Kitson-Meyer locomotive was already regarded at the time of its construc-tion in 1908 as extremely
complicated but it proved itself overall to be an excellent locomotive.
However, the basis of its construction with two tanks on either side limite the width of the combustion chamber, so that only a limited volume of steam could be produced. That is why as time passed, the steam consumption by the total of 6 cylinders proved to be a problem with the result that the two extra front cylinders that were connected to an additional cog drive train were removed in 1911. As a result, the front drive mechanism was an adhesion drive, the back undercarriage was a cog drive that engaged with a gear rack for the especially steep inclines along the route. Even in its reduced version, the locomotive mastered the extreme mountain sections across the Andes without any problem.

Source:
Donald Binns:
Kitson-Meyer articulated Locomotives


Not all of of the twelf machines are scrappt. There are some surviversa in Argentina and Chile.

The locomotive on display does not represent the original version that was delivered in 1909.
In Los Andes, Chile and in Tafi Viejo, Argentina, additional locomotives of this type still stand but under more varied conditions.


Santiago the Chile
www.corpdicyt.cl/mferroviario/



Santiago the Chile



Mendoza



Tafi-Viejo











The 1:22.5 live steam model, designed as a construction kit for
very advanced model builders.
I have been working on the development of a locomotive model for several years. It usually begins with ferreting out photographs and the original drawings. In the case of this locomotive,
this turned into a real waiting game because all of the original drawings
were destroyed during a bombing attack on the Kitson factory in Leeds (Great Britain) during the Second World War. What´s more, the likely museums in England did´nt have any documentation at all.
Jens Schindler, a German fan of this locomotive had measured this locomotive on site in Santiago de Chile in the year 2000 and created 2D drawings.They were an enormously helpful basis that first made starting on the project
possible.




After long research on the internet, countless mail contacts, and a huge amount of luck, things reached a
turning point in 2010. Andrew Batory, a Canadian Transandine fan and Sergio Carmona, Dean of Engineering at Valparaiso University, had discovered the drawings in a repair shop in an old drawings cabinet.









 

At the same time, a Chilean mechanical engineering student, who had contacted me with regard to the original drawings of a Garratt locomotive, sent me about
100 photographs of the locomotive in Santiago.
Thus, the detail work could begin. Except for a few areas, like the boiler and the boiler fixtures in the cab,
I drew the locomotive according to the original plans as a 3D model on a scale of 1:22.5.



Only after the entire locomotive is
drawn, will the CAD model be quasi disassembled and every component evaluated as to how it can best be manufactured. For the screws, rivets, etc. this is relatively simple—they are purchased.
Turned parts are manufactured on a lathe, as were the originals. Steamrelevant parts like the fittings, etc. are purchased from the Regner Company.
The manufacture of the sheet metal parts takes place rather traditionally.
The contour lines are translated into a black-and-white drawing and assembled with connecting strips and folded  areas into several board layouts about
60×40 cm (24 x 16 in) in size. Depending on the part, the front and back may differ as happens, for example, with folds. These parts are then etched out of brass sheet for which mostly two thickness are used: 0.5 and 1.0 mm (corresponding to ½ and 1 inch in the original).
I have the plates etched at
Lasertech srl near Milan.


The creation of the “volumetric parts” has changed significantly over the course of time. For my first models, I milled (you might also say carved) these parts out of brass, plexiglass and also wood, molded them in silicone, reproduced them in wax and then poured the wax parts out of








metal using the lost wax process.
Currently, most parts are being 3D-printed from the CAD drawing. The wax filament burns just as well as the "normal wax" so that the silicone form and the wax parts fall away.

Most recently, I have tried some promising tests under direct metal pressure. A combination of steel and bronze powder  is printed and, as required, melted.
The accuracy thus made possible is very substantial. Details in the 0.1 mm (0.004 inch) range are possible. While the locomotive is being drawn in CAD, a few hundred




renderings are created at
the same time that illustrate the assembly of the locomotive.

The construction of the locomotive takes place afterwards, step-by-step according to the corresponding rendering.

The sheet metal parts are, for the most part, initially spot-welded. The "Lampert" Company has developed a perfect device (M200) for that. The danger of
solder connections in complex components reopening is therefore a thing of the past. Parts that come into contact with pressure and steam temperature are (silver) brazed and the remainder
are bound together with normal tin
solder. The Kitson-Meyer Type T5 from 1909 is, because of its complex frame construction, a genuine challenge, not only in its original size but also as a model.
Currently, the first two models are
almost finished. Numbers 3 and 4 will be built next and then, all of the “teething problems” should be eliminated.




Come and watch my video series on You-tube, mking the e-powered version of the Kitson Meyer loco.



The series starts with a
short teaser ;-)
basics info about my technics

and the series step by strep.


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