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Search took 0.03 seconds; generated 65217 minute(s) ago. Search: Posts Made By: Rvjimd
Forum: Construction Equipment 06-06-2015, 08:30 AM
Replies: 29
Views: 19,955
Posted By Rvjimd
Re: Cat 374 Excavator build

Very nice! I love those track pads, which I could have made something more like those for my crane undercarriage project.
...
Forum: Construction Equipment 06-06-2015, 07:22 AM
Replies: 29
Views: 19,955
Posted By Rvjimd
Re: Cat 374 Excavator build

Sounds like a neat project, I can't see the attachments. Photo bucket is popular here on the site...

Jim
Forum: Construction Equipment 06-05-2015, 08:19 PM
Replies: 50
Views: 27,734
Posted By Rvjimd
Re: 1/16 Bucyrus Erie 25B

Jared,

When you made the axels for the rollers did how did you insure the second end was in the same plane as the first when you milled the second end? Same question I guess when you drilled...
Forum: Construction Equipment 06-05-2015, 04:21 PM
Replies: 171
Views: 51,202
Posted By Rvjimd
Re: Dragline Crawler Build

Car5858, thanks for the offer! I'm using some photos of drawings that .steve posted on another crane build, for now that is getting me by.

Tom,

This picture is for you, I had to adjust it...
Forum: Construction Equipment 06-05-2015, 02:04 PM
Replies: 171
Views: 51,202
Posted By Rvjimd
Re: Dragline Crawler Build

Tom,

Good idea on the brass bushing. I have basically checking every one I drill. I had been thinking if the cap in the drill guide starts to hog out I would make one in steel, but a brass...
Forum: Construction Equipment 06-05-2015, 12:23 PM
Replies: 171
Views: 51,202
Posted By Rvjimd
Re: Dragline Crawler Build

CA - cyanoacrylate. It is crazy glue and a bunch of other names.

I just used the dremel tool and shortened the bit a bit. :p with the drill guide I am getting a pretty good and well located...
Forum: Construction Equipment 06-05-2015, 11:28 AM
Replies: 171
Views: 51,202
Posted By Rvjimd
Re: Dragline Crawler Build

Tom,

I wanted to use brass tube or solid brass so that it wasn't as hard as steel. I would rather replace the pins vs making new pads as the holes wear.

I was thinking about just putting a...
Forum: Construction Equipment 06-05-2015, 10:25 AM
Replies: 171
Views: 51,202
Posted By Rvjimd
Re: Dragline Crawler Build

Steve,

Thanks for the offer, I don't think I know yet if and how much of a problem I have. I need to finish riveting on the dog ears and make up a side frame and try it as a complete assembly. ...
Forum: Construction Equipment 06-05-2015, 08:33 AM
Replies: 171
Views: 51,202
Posted By Rvjimd
Re: Dragline Crawler Build

Wsky,

Ya, I have watched that one as well a bunch of other gear cutting videos. I haven't done it yet, but that is certainly one of my future projects for the mill and the dividing plates on the...
Forum: Construction Equipment 06-02-2015, 06:33 PM
Replies: 171
Views: 51,202
Posted By Rvjimd
Re: Dragline Crawler Build

I think in the last photo the bottom pad is loose allowing slop at that drive dog. When I hold them snug they all impact pretty good. I plan on some sort of spring tension system on the idlers.
...
Forum: Construction Equipment 06-02-2015, 01:26 PM
Replies: 171
Views: 51,202
Posted By Rvjimd
Re: Dragline Crawler Build

I think I got it. I think part of my trouble was understanding the darn DRO and bolt circle function. I made a new tumbler blank the same diameter and put one EXTRA hole (10 holes) on the first...
Forum: Construction Equipment 06-01-2015, 01:23 PM
Replies: 171
Views: 51,202
Posted By Rvjimd
Re: Dragline Crawler Build

Yea, I have some white, but black would look pretty good as well...

Thanks

Jim
Forum: Construction Equipment 06-01-2015, 12:15 PM
Replies: 171
Views: 51,202
Posted By Rvjimd
Re: Dragline Crawler Build

Reg, yea, that does make sense, thanks

Jim
Forum: Construction Equipment 06-01-2015, 12:13 PM
Replies: 171
Views: 51,202
Posted By Rvjimd
Re: Dragline Crawler Build

Tom,

Thanks. I thought I would probably need to angle the drive dogs on the pads. I have dividing plates so I can try that if it comes to that. I think I might start by just making a few more...
Forum: Construction Equipment 06-01-2015, 06:45 AM
Replies: 171
Views: 51,202
Posted By Rvjimd
Re: Dragline Crawler Build

Ah, I knew there must be a formula for this. I am just now reading your post, so I will apply the formula to my current parts and see how it compares and then adjust and make a new part.

I don't...
Forum: Construction Equipment 05-31-2015, 06:36 PM
Replies: 171
Views: 51,202
Posted By Rvjimd
Re: Dragline Crawler Build

I have been out of the shop for awhile but before I left I DID get the pads all finished and started assembly. I wanted to check my pitch and it is close but I am going to have to turn a few more...
Forum: Construction Equipment 05-23-2015, 12:48 PM
Replies: 171
Views: 51,202
Posted By Rvjimd
Re: Dragline Crawler Build

Ah, ya the brass would work good I bet, nice and heavy too where you want it.

Jim
Forum: Construction Equipment 05-22-2015, 10:24 PM
Replies: 171
Views: 51,202
Posted By Rvjimd
Re: Dragline Crawler Build

Tom, the stock is 1/8". I WAS experimenting with 1/4" stock where I machined the dogs on the one side but that was a lot of extra work. With the current pads pictured I am milling the leading and...
Forum: Construction Equipment 05-22-2015, 08:39 PM
Replies: 171
Views: 51,202
Posted By Rvjimd
Re: Dragline Crawler Build

Got a batch of pads mostly finished. Still putting the slot in middle that receives the drive dog part. And, I still need to drill the hinge holes. Going to be fun and should start to go faster...
Forum: Construction Equipment 05-21-2015, 11:43 AM
Replies: 171
Views: 51,202
Posted By Rvjimd
Re: Dragline Crawler Build

Tom,

Thanks, I thought I read a comment you made on another thread about the pitch, so I was aware of that going in. That would be a real issue if you didn't realize that and made a bunch of...
Forum: Construction Equipment 05-21-2015, 10:20 AM
Replies: 171
Views: 51,202
Posted By Rvjimd
Re: Dragline Crawler Build

Here are a few more pics. These are my final choice on the design and you can see I am looking at the pitch of the tumbler and pad links. I will make an actual drive tumbler and mill the drive dogs...
Forum: Construction Equipment 05-21-2015, 07:52 AM
Replies: 171
Views: 51,202
Posted By Rvjimd
Dragline Crawler Build

For a few weeks now I have been learning how to run my new bench sized mill and lathe and loving it! I have always wanted to scratch build a dozer and my first big project is building a crawler...
Forum: Construction Equipment 05-21-2015, 07:06 AM
Replies: 66
Views: 27,310
Posted By Rvjimd
Re: Dragline Rebuild

Tom,

Nice video! You really did a nice job on that machine, and it is nice to see a scale RC vehicle move at a scale speed. It amazes me every time I see an RC dragline how effective they move...
Forum: Construction Equipment 05-21-2015, 06:55 AM
Replies: 50
Views: 27,734
Posted By Rvjimd
Re: 1/16 Bucyrus Erie 25B

Jared,

Thanks for all the answers! And, thanks to Steve as well for the pictues of the BE, I have been using the drawings in my build. I have a pretty good start and made some design decisions...
Forum: Construction Equipment 05-17-2015, 01:48 PM
Replies: 50
Views: 27,734
Posted By Rvjimd
Re: 1/16 Bucyrus Erie 25B

Jared,

One more question for you. Was there any specific reason for using brass and steel for the lower rollers? I am about to start making those parts and not sure what to use or why. In think...
Showing results 451 to 475 of 500
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