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  #61  
Old 02-02-2011, 12:21 AM
Jared Jared is offline
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Default Re: Unit Cable Hoe

Here's a reeving diagram that's not very good. It may raise more questions than it answers.

http://www.tpub.com/content/construc...201-120049.htm

http://www.tpub.com/content/construc...201-120050.htm

Actually the picture of the 1:1 in the very first post isn't too bad for showing how it's done- if you know what you're looking at
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  #62  
Old 02-02-2011, 03:40 AM
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Default Re: Unit Cable Hoe

Very fluent motion & smooth operating skill makes it exciting to watch Scott. Well done!

And great tutorial on aluminum welding. Is mapp gas hotter or colder than acetylene? Is it better to use mapp gas or is it just more convenient?
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  #63  
Old 02-02-2011, 09:49 AM
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Default Re: Unit Cable Hoe

Jared, Thank You so much far all the info! I think I understand all of the cabling now after looking at the first diagram.



The only problem is the routing of the cables are compounded 2 times which would reduce the drum speed twice and that would slow everything down too much. In my second video loading the Mack truck with the pulleys added the cables are compounded once (cutting the speed in half) and the digging speed is just right. So, I'll just have to setup the jack boom a little differently on the model.

Joe, thank you very much.

Map gas burns a lot hotter than butane or propane and when brazing aluminum it sucks the heat up real bad as you can imagine. Even using Map gas it took a while to heat the hoe bucket up enough to flow the alumarod.
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  #64  
Old 02-02-2011, 10:28 AM
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Default Re: Unit Cable Hoe

Scott I'll be sending you an email with several pages from a 22RB operator book. And several photos from a 10B 14B 15B parts books. I need your email.
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  #65  
Old 02-02-2011, 11:28 AM
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Default Re: Unit Cable Hoe

Steve, that would be great. PM sent.
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  #66  
Old 02-02-2011, 01:11 PM
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Default Re: Unit Cable Hoe

Steve, the pics you sent me look great. Thank You.

I was going to start making a nice looking boom & stick next but, I am going to make up the Jack/Auxiliary boom first and get that working properly. The more I look at all the info I can see why the hoist drum cable is compounded 3 times...it is because the pulley at the top of the stick is so close to the pivot point you need 3 times the power to pull it up and it will rise 3 times as fast because it is so close to the pivot point. But....when I tried moving the pulley attachment closer to the pivot point it made it much harder for the stick to extend all the way? It could be the fact that I am running it without a Jack boom (hoist cable too low of an angle) that is causing the extension problem. I'll keep experimenting.
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  #67  
Old 02-02-2011, 02:33 PM
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Default Re: Unit Cable Hoe

more pictures on the way Scott
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  #68  
Old 02-02-2011, 03:28 PM
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Default Re: Unit Cable Hoe

wow now thats going to a whole new level Scott!

for the reduced speed in the pictures there the left hand aux gantry sheave to right hand aux gantry sheave could be hooked up omitting the bottom left hand gantry sheave and that should give you more speed?
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  #69  
Old 02-02-2011, 05:26 PM
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Default Re: Unit Cable Hoe

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wow now thats going to a whole new level Scott!

for the reduced speed in the pictures there the left hand aux gantry sheave to right hand aux gantry sheave could be hooked up omitting the bottom left hand gantry sheave and that should give you more speed?
If you look at the 1:1 Unit Hoe in the first post it looks like it only loops back on itself once so, I'll probably do that.

I have the Jack boom setup and it works nice. It is not exactly like the Unit Hoe setup but, its close. After I Get the pics from Neil (Doodlebug) I can make it right.







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  #70  
Old 02-02-2011, 06:14 PM
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Default Re: Unit Cable Hoe

After watching the video I think you test of the boom was a big success. I think it works great! Well done! Since people are sending you BE info I thought that this video might help as well.

http://www.youtube.com/watch?v=1rlBuDefgog
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  #71  
Old 02-02-2011, 06:44 PM
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Default Re: Unit Cable Hoe

Thanks Finster, that is a good video of an old Hoe.

Here is a quick video of the Jack Boom moving:

http://www.youtube.com/watch?v=ZHwxtKFnJD8

And loading a truck on flat ground:

http://www.youtube.com/watch?v=Ovh1vyhqPBk
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  #72  
Old 02-02-2011, 06:58 PM
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Default Re: Unit Cable Hoe

Looks like you have it. I wish the freakin youtube vids would download faster! There must be something wrong because It takes way too long to buffer. I even have a fiber optic line to my shop for internet and takes way longer than the actual video run time.
Sorry to change the subject Scott.
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  #73  
Old 02-02-2011, 08:25 PM
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Default Re: Unit Cable Hoe

Looks like you pretty much nailed it on the jack boom, Scott. After seeing that last video I'm turning green with envy.

Once you get that thing perfected you can move on to this:
http://www.constructionequipment.com...-wheel-loaders

Last edited by Jared; 02-02-2011 at 08:41 PM.
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  #74  
Old 02-02-2011, 08:52 PM
W900snowman W900snowman is offline
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Default Re: Unit Cable Hoe

Awesome addition to your fleet can't wait to see the finished product. Everyone on here is a very bad influence for me I with all these impressive models. Very nice Scott I'm really looking forward to seeing the undercarriage on this one.

Two Thumbs Up!!
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  #75  
Old 02-02-2011, 09:29 PM
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Default Re: Unit Cable Hoe

Quote:
Originally Posted by 9W Monighan View Post
Looks like you have it.
Thanks Steve for all the pics and documentation.

Quote:
Originally Posted by Jared View Post
Looks like you pretty much nailed it on the jack boom, Scott. After seeing that last video I'm turning green with envy.

Once you get that thing perfected you can move on to this:
http://www.constructionequipment.com...-wheel-loaders
Thanks Jared. Hmm...must stay focused...

Quote:
Originally Posted by W900snowman View Post
Awesome addition to your fleet can't wait to see the finished product. Everyone on here is a very bad influence for me I with all these impressive models. Very nice Scott I'm really looking forward to seeing the undercarriage on this one.

Two Thumbs Up!!
Thank You very much. I am looking forward to building it when more parts arrive.
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  #76  
Old 02-02-2011, 11:22 PM
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Default Re: Unit Cable Hoe

Now I'm gonna scare you! I know where one is sitting! (Koehring skooper).
It's up by Rio Tinto's Kennecott Copper Mine in Utah. Yah Mike, possible road trip!
Later, Neil#2 aka doodlebug.

Last edited by doodlebug; 02-02-2011 at 11:24 PM.
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  #77  
Old 02-03-2011, 01:30 AM
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Default Re: Unit Cable Hoe

Another solution : the jack boom is attached rigid to the A-frame.

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  #78  
Old 02-03-2011, 08:25 AM
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Default Re: Unit Cable Hoe

Quote:
Originally Posted by doodlebug View Post
Now I'm gonna scare you! I know where one is sitting! (Koehring skooper).
It's up by Rio Tinto's Kennecott Copper Mine in Utah. Yah Mike, possible road trip!
Later, Neil#2 aka doodlebug.
It would be cool to see pics of it someday.

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Another solution : the jack boom is attached rigid to the A-frame.

Very unique looking machine.
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  #79  
Old 02-03-2011, 09:59 AM
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Default Re: Unit Cable Hoe

man you have been busy!

that is just a maze of cables to me now lol
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  #80  
Old 02-03-2011, 10:13 AM
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Default Re: Unit Cable Hoe

Quote:
Originally Posted by SmallHaul View Post
......Very unique looking machine.
Not easy to load with this central sprocket design, but there's not a lot of these left, so it was worth saving it

By the way, it was fun to carry it back home....


Last edited by Papy; 02-03-2011 at 10:24 AM.
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