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| Posted: Fri Sep 23rd, 2016 05:52 am |
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Helmut F
Registered
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Can somebody please explain what they are, or point me in the right direction? I see 'logging disconnects' for sale, but they look like regular or short-ish cars to me.
Thx in advance, sorry for the newb question.
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Helmut
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| Posted: Fri Sep 23rd, 2016 06:55 am |
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| Posted: Fri Sep 23rd, 2016 09:49 am |
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| Posted: Fri Sep 23rd, 2016 04:47 pm |
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| Posted: Sat Sep 24th, 2016 02:40 pm |
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5th Post |
W C Greene
Super Moderator
| Joined: | Fri May 4th, 2007 |
| Location: | Dallas, Texas USA |
| Posts: | 7348 |
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Just imagine a small flat car with 4 wheels and a swiveling (or not) log bunk on top. Disconnects had couplers at both ends (most used link & pin couplers) so when empty a train of the little cars could be hauled to the cutting area. In later years, disconnects could be used under other cars-water cars, bunk cars, work cars, just about anything. Many times, the disconnects would be coupled together with "roosters" or long poles between them, especially when loaded. That made them a bit "safer". If you are interested in such things, there must be hundreds of books and magazine articles about logging and photos of various disconnected trucks. Loggers quit using them when the newer types of log cars became available, like skeleton and flat car type cars.
Wow...too much history, I could go on however.
Woodie
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Go ahead, make my day!
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| Posted: Sat Sep 24th, 2016 10:26 pm |
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6th Post |
Helmut F
Registered
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Woodie,
nope - interesting actually. The thing about model railroading to me is realizing the actual human innovation and perseverance that went into these machines and operations at that time period in our history. It is absolutely amazing.
I run an engineering group and we have some pretty good tools at our disposal: Solidworks for drawings, of course electronic so revisions are easy to make, a PLM (Product Lifecycle Management) tool for tracking revisions, electronic rulers (micrometer) with digital readouts, pre-made electonic drawings of components we use, etc., etc. And we still have issues designing things. None of that stuff was available then of course. Just amazing.
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Helmut
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| Posted: Sat Sep 24th, 2016 11:12 pm |
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7th Post |
Si.
Super Moderator
| Joined: | Thu Feb 23rd, 2012 |
| Location: | London |
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Woodie tells me, he has a 1:35 scale-rule*.
He never uses it though.
Best design tool there ever was...
...is the ordinary human brain.
When working correctly...
...it has the astounding ability to invent simple & practical solutions.
I'm told the Egyptians used a water-level, for their pyramid foundations.
Simple.
Couldn't wait another few thousand years, for the laser-beam !
*analog, metal-strip with lines on it.
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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
' M:R:W Motor Speedway !!! ' - 1:32 Slotcar Racing Layout
http://www.slotforum.com/forums/index.php?showtopic=59295&st=0&a
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| Posted: Sun Sep 25th, 2016 01:36 am |
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8th Post |
oztrainz
Super Moderator
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Hi Helmut,
To check out how they worked have a look at some Aussie disconnects in action see https://www.youtube.com/watch?v=HfdZFAjxiKM
Q - How do you know the new brakeman is any good?
A - He is still alive at crib break (lunch time).
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Regards,
John Garaty
Unanderra in oz
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| Posted: Sun Sep 25th, 2016 02:19 am |
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| Posted: Sun Sep 25th, 2016 03:41 am |
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oztrainz
Super Moderator
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well they were stinkin' alright - stinkin'ot - That wasn't dust That was smoke from the timber brake shoes on a 1 in 8 (12.5%) falling grade 
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Regards,
John Garaty
Unanderra in oz
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