Logging Demonstration

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johnpenn74
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Logging Demonstration

Post by johnpenn74 » Sun Jun 07, 2015 12:26 am

Fellow live steamers,
I am working on a Railroad Day project at a Pisque National Forestry museum (near Ashville, NC) and trying to figure out a good demonstration with Logger/Skidder. Does anyone have any experience setting up the main lifting pole, tow lines, etc? How much is too much work /practical for a weekend gig? Also, what considerations need to be taken for getting the skidder out of the pickup truck and over to site. Do most of you that have them move them on flat cars?


The high lead show picture below is what I am aiming for. Once upon a time there was a 7.5 railroad that was just logging stuff like this, but I can't seem to find it anymore on DLS.

Not sure what we can pull off this year as the date is mid July. But there's always next year.

Due to NC Regulations riding the public is out (fine by me), so this is purely a fire it up demonstration we are shooting for.

Anyone want to get involved just drop me a line.

JP
Attachments
west-wa8-web.jpg
A skidder
HighLeadShow.jpg
High Lead Show
Last edited by johnpenn74 on Sun Jun 07, 2015 12:44 pm, edited 1 time in total.
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Harlock
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Re: Logging Demonstration

Post by Harlock » Sun Jun 07, 2015 2:21 am

That is a sweet model skidder / yarder!

1/3 scale or thereabouts?

Sorry can't help you with the specifics!
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jcbrock
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Re: Logging Demonstration

Post by jcbrock » Sun Jun 07, 2015 7:45 am

There are a lot of ways to do it, poking around on this page will find you several (west coast) examples. They're using modern skidders, but in place of the skidder poles traditionally they'd have just used an uncut but de-limbed tree. I think the North Bend is the most fun, but it takes the most equipment too.

http://www.vannattabros.com/cable3.html

Full-sized skidder demos I've watched have just dragged logs back and forth between a couple piles.
John Brock

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ThisGuyTwo
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Re: Logging Demonstration

Post by ThisGuyTwo » Mon Jun 08, 2015 1:48 am

A good group to ask is the Roots of Motive Power in Willits California, they have several examples of full size Yarders and Donkeys that they have restored, and their Timberline quarterly magazine is full of West Coast lumbering practices, and tips for making your own.

As for getting a scale yarder to the place you need it, why not do what the full size ones do, and wrap an end of the line around a tree and drag it to the place you need it.

-Peter
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Jim Dobson
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Re: Logging Demonstration

Post by Jim Dobson » Mon Jun 08, 2015 8:55 pm

I really enjoyed the photos.
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Loco112
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Re: Logging Demonstration

Post by Loco112 » Mon Jun 08, 2015 10:14 pm

That skidder in the photo spent some time with Dave Skagen, in Skelton, Washington. It was in his shop when I visited in 2003. Dave knows who to contact about it.
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Eric M.
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Re: Logging Demonstration

Post by Eric M. » Tue Jun 09, 2015 7:44 pm

A group of us in the Bay Area Garden Railroad Soc. Do a logging demo in 1:20.3 scale We built four live steam donkey engines in this scale and we typically run them on air for the demonstration. Our machines are double drum type so we devote one donkey to yarding and one to loading. For loading we use a "crotch-line" system that uses two spar trees with a system of ropes and pulleys. It allows us to center up the logs over the bunks and drop them onto the disconnects, log cars or whatever.

Here are the spar trees set up for a demo:
Image

Here are the Donkeys all lined up:
Image

The crotch-line rigging was set up from a diagram in the book "In Search of Steam Donkeys" which I highly recommend.

There is more info on this project here including some drawings. Scroll down past the drawing links for more photos: http://wegmuller.org/logging/index.html

Regards,
Eric Maschwitz
Head of Operations, Squirrel Mountain Mine
Former Whistle Punk,
Gunn Lake Land and Lumber, a subsidiary of East Devils Hill Lumber Co

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Re: Logging Demonstration

Post by holtSteamer » Thu Jun 11, 2015 10:15 pm

Here is a diagram that I have had floating around, don't know where it came from, but I have always kept it around.
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Yarding Diagram.pdf
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