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#1722
09-11-2016, 12:04 PM
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Re: Great Dane excavating co.
   Got the new motor mount installed. Once everything is together it will be better looking. Also moves the motor back towards tranny, eliminates the wobble from having the driveshaft extended so far. Next is to solder up connections and find out if it actually is a better drivetrain.
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#1723
09-11-2016, 05:34 PM
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Re: Great Dane excavating co.
Glad to see progress on the rock truck.
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#1724
09-11-2016, 09:25 PM
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Re: Great Dane excavating co.
Quote:
https://youtu.be/Un8oxKMGBoc a rather shaky video , I was trying to hold camera and controller at same time. I still have to do some fine tuning on radio to smooth it out but new motor combo is working better.
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#1727
09-12-2016, 01:53 PM
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Re: Great Dane excavating co.
Quote:
oh, and in the video when it does slip the camera doesn't show it but it was trying to climb about 40 degree angle on loose uneven dirt. I want it to be able to climb around 30 degree roads fully loaded. I don't know what haul truck are capable of climbing loaded but that's what I'm shooting for.
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#1728
09-12-2016, 01:58 PM
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Re: Great Dane excavating co.
Quote:
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#1729
09-12-2016, 04:24 PM
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Re: Great Dane excavating co.
Cooper try these guys. I put three axis on my mill and so far I'm really pleased with them
Here's a link to there site and you'll be pleased with the cost, and they're allready made for mill or lathe application. Rob http://www.igagingstore.com/category-s/1831.htm
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#1730
09-14-2016, 08:55 PM
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Re: Great Dane excavating co.
Thanks rob, that's helpful!!
 Ok , starting on the double acting telescopic cylinders. I have no plans just some ideas kicking around in my head. I'll try and post pics as I build them. Oh and I got a new garage, had to make things somewhat even with the other half, she got a new mouser!! 
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#1731
09-14-2016, 08:59 PM
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Re: Great Dane excavating co.
 This is going to be the bottom/first stage of the cylinder. Oil port for retracting and the tube will extend to the top of first stage for extension. They will be welded together(I think). Steel is definitely easier than alum. The tubes are stainless and all areas where seals will be are going to be made from steel. Easier for the internal grooving tools I have.
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#1732
09-14-2016, 10:22 PM
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Re: Great Dane excavating co.
 Got the first stage seal caps done, these will get drilled for first stage rod, figure attach them then drill and groove. Will keep everything on centerline.
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#1733
09-17-2016, 04:05 PM
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Re: Great Dane excavating co.
 All small parts are turned, next is to weld them together and get exact lengths of tubes.
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#1735
09-17-2016, 09:54 PM
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Re: Great Dane excavating co.
Still waiting on gas guy to hook up gas line then I can push ditch closed. And waiting on trees to be delivered (been too dry to dig um) then the stone wall can start being built. That is when the real 1:14 work will begin.
Got second to third stage seal done. Figured it the biggest diameter to start with. A little tight so I may have to readjust my tolerances. No real info on how much to compress 1/16 o rings for rated pressure. 
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#1736
09-17-2016, 09:56 PM
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Re: Great Dane excavating co.
 A better picture showing one done and the other in pieces before hole and welded
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#1738
09-20-2016, 02:53 PM
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Re: Great Dane excavating co.
Great work with the cylinders) There should be info at the web concerning groove tolerances to found. I would also keep in mind not have the o-rings too thigh with concern to the dead weight of the dump box must be able to push the cylinders back in 'easily'
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#1739
09-20-2016, 03:11 PM
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Re: Great Dane excavating co.
Quote:
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