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  #21  
Old 06-01-2012, 03:52 PM
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Default Re: PFB's Vario JD 850D

I forgot all about this idea.. as much trouble as I am having with the track drives & getting it around, I gotta make myself set too!

Looking forward to seeing how your's turn out.
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  #22  
Old 06-01-2012, 10:08 PM
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Default Re: PFB's Vario JD 850D

Way to go Nathan, I'd forgotten all about them.

Cheer's, Neil.
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  #23  
Old 06-02-2012, 05:50 AM
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Default Re: PFB's Vario JD 850D

Oh that's great machine! Put some more videos now, I could watch these for hours. These builds here make me want to build one for myself altough I got to finish my last build.

How wide are these tracks?
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  #24  
Old 06-02-2012, 11:38 PM
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Default Re: PFB's Vario JD 850D

2.5" wide
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  #25  
Old 06-11-2012, 01:13 AM
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Default Re: PFB's Vario JD 850D

Both cradles welded up. Just waiting on wheels/tires now. Believe this will be my first project to make use of the lathe!
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  #26  
Old 07-01-2012, 03:10 PM
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Default Re: PFB's Vario JD 850D

Braved the heat last night/this morning to some work on the dollies.

After some brain-storming with Izzy and Trav I used the RCP Crawlers TLT Straight Axle Adapters and cut off the ears. Cut down they offer the perfect spacing for the tire/wheel from the side plate of the dolly.


Cut up a washer for work holding and space for the drill


Had to turn the taper for the inside of the washer. (Zinc machines like sh*t) Here it is all mounted up to the dolly. A TLT axle fits inside and I'm using the tamiya brass bushings.


The 2.2 ZXLs I ordered are way too big. Might go with the 1.9s. (the 2.2s are just going to have to be used on a future build..... )


Spacing. I may take a bit more off the TLT adapter so it sits closer to the plate.


This has been a good project to learn the ways around my new Taig machines. That machining class definitely helped me troubleshoot obstacles in clamping and indicating parts for better precision. I've never used a rotary table or 4-jaw chuck before. It's time consuming to setup, but it's a great sense of accomplishment for me knowing how to quickly and easily set them up now. Time to let my ideas and drawings become real objects! Very excited.
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  #27  
Old 07-01-2012, 03:31 PM
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Default Re: PFB's Vario JD 850D

Good job Nate.

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  #28  
Old 07-02-2012, 08:34 AM
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Default Re: PFB's Vario JD 850D

Looks good Nate!
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  #29  
Old 07-02-2012, 11:56 PM
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Default Re: PFB's Vario JD 850D

I could use a seet of them too, if you're game to make another?

Looking good so far.

Are the tires solid rubber? Or are you packing them solid?
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  #30  
Old 07-06-2012, 12:33 AM
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Default Re: PFB's Vario JD 850D

Quote:
Originally Posted by Lil Giants View Post
I could use a seet of them too, if you're game to make another?

Looking good so far.

Are the tires solid rubber? Or are you packing them solid?
Not sure on the tires, hopefully they'll hold some weight stock. Otherwise I'll stuff more foam or plastic bbs in them.

I can make you a set, it'll be after Indy though.
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  #31  
Old 07-11-2012, 07:11 PM
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Default Re: PFB's Vario JD 850D

Went with studs into the plate (When a full-scale CAT engineer says so, you do it )


Capture washer and hub installed


Fast forward they are just about done. Just waiting on one TG10 axle to arrive to finish the second. Cables are installed and I ended up having to stuff the tires with really dense strips of foam until full.
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  #32  
Old 07-11-2012, 07:38 PM
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Default Re: PFB's Vario JD 850D

If you made those wheels i need a set for my 544j ive been working on converting
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  #33  
Old 07-11-2012, 07:40 PM
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Default Re: PFB's Vario JD 850D

also you have a lot of shavings next to those nice bikes
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  #34  
Old 07-11-2012, 10:27 PM
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Default Re: PFB's Vario JD 850D

Quote:
Originally Posted by woodhog View Post
If you made those wheels i need a set for my 544j ive been working on converting
Nope, those are RC4WD they make them in 2.2 and 1.9

Whole garage is dirty. The bikes don't have a chance at keeping clean between sparks flying from the rally car or rc builds.
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  #35  
Old 07-12-2012, 09:06 PM
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Default Re: PFB's Vario JD 850D

The track dollies look good, your a mad man Nate.

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  #36  
Old 07-12-2012, 09:26 PM
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Default Re: PFB's Vario JD 850D

Awesome work PFB - they are looking great!
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  #37  
Old 07-13-2012, 12:33 AM
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Default Re: PFB's Vario JD 850D

Great success! Just a few tweaks and these are good to go!

http://www.youtube.com/watch?v=p84DrfttK4g
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  #38  
Old 07-13-2012, 02:33 AM
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Default Re: PFB's Vario JD 850D

Looks great!
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  #39  
Old 07-13-2012, 03:03 AM
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Default Re: PFB's Vario JD 850D

Good job PFB! Now you need to build a truck to use to move it with.
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  #40  
Old 07-13-2012, 11:26 AM
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Default Re: PFB's Vario JD 850D

A little bit of Aerosmith & Walk this way!
Look's great, nice job

Cheer's, Neil.
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