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#1
11-09-2015, 04:49 PM
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Re: Great Dane excavating co.
Hey Cooper !
This might avoid future BackPain Just train Mr Nutter to drive The RockBeast and the transportation is solved. Roll on roll off :https://www.youtube.com/watch?v=OPdCDj_RiKI Last edited by Bo Wallen; 11-09-2015 at 04:55 PM. 
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#2
11-09-2015, 04:55 PM
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Re: Great Dane excavating co.
Good idea Bo, but mr nutters has moved onto another worksite, he now works for the forestry department
 . Well I know I got the pigment right this time. And I mixed for 1 min, immediately poured and had the mold slightly unlevel, tapped mold, basically did everything I could to eliminate the air. Time will tell, about two hours and I get to see if hero or zero!!! 
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#4
11-09-2015, 08:28 PM
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Re: Great Dane excavating co.
Here ya go mark,Bo,, and some scale along the aeromax
   
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#7
11-10-2015, 08:52 AM
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Re: Great Dane excavating co.
Nice! They barely look like a permit load.
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#10
11-10-2015, 10:15 AM
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Re: Great Dane excavating co.
They really turned out good. What durometer did you end up going with?
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#11
11-10-2015, 12:37 PM
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Re: Great Dane excavating co.
I made the first one a60, pretty firm, the second try is A40. I think the 40 will be better. Can squish the treads easy but I don't think the tire will roll or flex too much once on rim.
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#13
11-10-2015, 04:30 PM
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Re: Great Dane excavating co.
Quote:
. I guess that's why I like my stuff scratched and dented, it hides a lot of the imperfections !! Lol!! Just waiting for some alum to show up and then start the smoke pouring from my ears! Tires are just a couple ounces under 4 pounds. And I think I got the pigment correct. 10 drops of black pigment each tire.
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#15
11-11-2015, 10:26 AM
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Re: Great Dane excavating co.
Tires look fantastic buddy... took me awhile to get caught up entirely on your thread, I was absent the last couple weeks of October.
Anyways, considering your motor options... I checked the motor output of the 4206, pulled the wheel off to get an accurate shaft rpm of 87 & my gizmo has a wheel adapter too, measuring surface wheel rpm 347. The 4206 has a 4 7/8" tire & the model moves along nearly at walking pace (I have a 36" inseam, I take big steps). 
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Sharing knowledge is one thing that defies basic arithmetic logic --- the more you share, the more you get! Joe
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#16
11-13-2015, 10:19 PM
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Re: Great Dane excavating co.
thanks joe, I still haven't decided what gearhead motors I'm going with..,, I'm waiting on some alum to show up and then ill figure out what motors will fit inside the axle housing. I may even take brian from exclusive rc advise and make printed parts once the motors are secured.
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#17
11-14-2015, 02:16 AM
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Re: Great Dane excavating co.
I noticed a few pages back you said got some .55hp motors, they have gearheads on them too?
I did the measuring of the 4206 to try to find out what might be a good speed for your trk with 8" tires & hopefully still have plenty of power to move 160lbs with just two motors... the math works out to something between 50-55rpm. Ofcourse with your tools & talent you could also add an outboard planetary hub for more reduction from a faster smaller gearhead motor, pulling the guts out of a cordless drill.
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Sharing knowledge is one thing that defies basic arithmetic logic --- the more you share, the more you get! Joe
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#18
11-14-2015, 11:22 AM
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Re: Great Dane excavating co.
Here are the motors I got , well in mail. They may have to me taken apart and incorporated into the axle housing for a more slim mount. Being square, and the outside of gearhead may be just a little bit big. Don't know exactly till I get to it.
http://www.robotmarketplace.com/products/0-PDX256.html 90 rpm at shaft, and the stated hp is .55. Hard to believe half horse at shaft. But 256 reduction, I might not want to get my fingers swisted up in it. !! And having a half inch shaft that is already tapped at end, keyed,, that makes a lot more options I have for adding a weight bearing shaft. Your posts a while back on the adt, with fumotec axles is what gave me the idea. So reciprocating the posts, thanks.
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#19
11-17-2015, 12:55 PM
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Re: Great Dane excavating co.
    A start to the drive system.
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Re: Great Dane excavating co.
Hybrid Mode
