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yaksplat
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Re: Digger project

Postby yaksplat » Sat Dec 08, 2018 1:50 pm

Any pictures that you can provide of cabinets with a ruler or tape measure on them for scale will help immensely.

I'm in the process of making a proper trip blade as mine didn't have the original.

Pictures that Jim Roller sent me years ago:
Dragline trip-to-start assembly.jpg
Dragline trip shows re-set blade.jpg
Dragline trip shows off blade and re-set blade.jpg
My recreation:
trip_blade.JPG
trip_blade.JPG (17.76 KiB) Viewed 1626 times

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pennymachines
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Re: Digger project

Postby pennymachines » Sat Dec 08, 2018 2:08 pm

I'm watching your progress with interest but sorry I can't contribute. Erie Digger's are rare in the UK. I think I saw one cabinet and one mechanism over the years. Maybe Ddstoys will come to the rescue. Anyway - good luck!

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ddstoys
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Re: Digger project

Postby ddstoys » Sun Dec 09, 2018 8:19 am

Sorry mate, I went out to get you the photos but they're buried on a shelf well above my head and I’ll need a second pair of hands to help. I’ll try get them down on my next days off.
6D94EA4C-F4A9-4061-9D50-7564B10A201Ca.jpg

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yaksplat
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Re: Digger project

Postby yaksplat » Tue Dec 11, 2018 4:55 am

No worries. When you get there, you get there. I've got plenty of things to occupy me in the meantime. I'm trying to teach myself to use AutoDesk Inventor to model some of these mechanisms.

Side note: I got a response from my email the other day to Jim Roller:
I wish I could help you but, sadly, I have little to offer. I sold out everything I had pertaining to the mechanical diggers a few years ago and the buyer has died and I have no further way to know what happened to the materials including about 60 digger mechanisms.
It's really quite a shame, but I was really glad to see that Jim's still kicking. He also gave me the name of someone that may have a copy of the cabinet plans.

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ddstoys
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Re: Digger project

Postby ddstoys » Thu Dec 13, 2018 1:18 am

Mine looks to have a completely different setup than yours. Let me know if I can do any more.
DAE9FF13-166A-4756-9974-4370190F41D0a.jpg
6F9A7D35-1B8C-429A-A88E-D370474C60DAa.jpg
29FC6FB0-D871-423F-9C82-242B587E00C3a.jpg
266E85C1-7784-47EB-B1E6-B2EC39E8A140a.jpg

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yaksplat
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Re: Digger project

Postby yaksplat » Thu Dec 13, 2018 3:11 pm

Wow, it looks like there are many variations in trip mechanisms on these diggers. I've seen about 6 of them now. I'm going to have to figure out what will work with my setup. Mine is similar to what I posted above.

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yaksplat
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Re: Digger project

Postby yaksplat » Thu Dec 13, 2018 7:39 pm

Thanks for the cabinet plans DD. They're pretty rough with a few errors in there. I'm going to model them up with some changes made and then I'll send you a set back. (in metric :HaHa: )

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ddstoys
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Re: Digger project

Postby ddstoys » Fri Dec 14, 2018 4:22 am

😂😂😂😂 I’m not very smart but I can lift heavy things.

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yaksplat
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Re: Digger project

Postby yaksplat » Sat Dec 15, 2018 4:58 am

Heavy things always need to be lifted. No one can ever decide where they should be placed the first time, resulting in moving them around 3 or 4 times. That means we'll always need people to lift heavy things.

I'm hoping that I can fully documented how one of these digger mechanisms works so that anyone can always get one up and running again, even if they need to fabricate a few pieces. Once I get this complete, there should be a good record here, with details of each part. I haven't done much 3D CAD in several years, but so far this is turning out pretty good.
main_assembly.JPG

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ddstoys
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Re: Digger project

Postby ddstoys » Sat Dec 15, 2018 9:08 am

Looking good so far. I can’t begin to understand how these computer drawings are done.

My older digger mech is different again. I might drag it down and post some photos of that if you like for reference.


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