From: ce11son@yahoo.ca
On Tue, 20 May 2014 19:47:53 -0500, Larry Sheldon
wrote:
>On 5/20/2014 12:22 AM, Glen Labah wrote:
>> In article ,
>> Larry Sheldon wrote:
>>
>>> OK. I think I had the pivot thing figured out (vice "hinge") bout it
>>> didn't (and still doesn't!) look like that driver can swing far enough,
>>> but I guess it does. I assume that the bogey (pilot? ??) next to the
>>> driver under the boiler (when provided) swing with the drivers? Seems
>>> like it must else why have it?
>>
>>
>> Maybe a photograph of a Beyer-Garratt someone made from Legos would help?
>>
>> https://www.flickr.com/photos/67422568@N04/8062667622/
>>
>> The front and rear of the locomotive are essentially just regular
>> locomotive frames. The pilot wheels are tied to these frames just like
>> they would be if they were separate locomotives.
>
>[snip]
>
>I think Ive got it now--non of the pictures were convincing that there
>was enough clearance under the boiler-cab frame for the drivers to
>swing, but I guess those drivers must be close to being under the pivot
>so they won't swing as far away from the center line as I was imagining.
>
>One remaining question, or maybe two--why are the cylinders as far away
>from the boiler as they can be? Do the exhausts lead back to the smoke
>stack?
>
Looking at a few photographs, mounting the cylinders at the inward
ends of the engines would generally seem to put them foul of the
solebar of the centre section. It only seems to have been done with
smaller narrow-gauge locomotives where the centre section allows more
clearance above smaller cylinders, e.g. B-G K1 class :-
http://nationalrailwaymuseum.files.wordpress.com/2010/05/dsc090631.jpg
>That is a lot of high-pressure steam hose!
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