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#1
12-18-2015, 04:54 PM
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Re: Great Dane excavating co.
   Ok got another gearbox today, a bit more robust, just a size comparison on planetary gearbox and motor along with one of our truck motors.  gearbox is 4:1, 3:1, 3:1, and diff is another 3:1 reduction. Should end up around 90rpm. (Or 100) motor kv isn't an exact science) and with this gearbox I can make the last two or one stage a 4:1 if I need more reduction. I've settled on plans, rear with 3:1 differential, planetary gearbox with reduction in front of axle, two transfer gears to get driveshaft higher in frame, driveshaft to motor housed under hood. Very similar to the actual 1:1 machines. All in my head at this point. I may start making some notes for reference 
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#2
12-19-2015, 02:27 AM
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Re: Great Dane excavating co.
[/QUOTE] I guess "There's no substitute for cubic inches!"
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Emil G | MFZ Blocher Fendt 926 | RC4WD Volvo EC480 excavator | Carson LR 634 | Kenworth 6x6 hauler | Kenworth 6x6 dtrk My channel: To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. Construction site on Facebook: To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. Pictures on Instagram: To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
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#3
12-27-2015, 08:05 AM
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Re: Great Dane excavating co.
Ok got another gearbox today, a bit more robust, just a size comparison on planetary gearbox and motor along with one of our truck motors. gearbox is 4:1, 3:1, 3:1, and diff is another 3:1 reduction. Should end up around 90rpm. (Or 100) motor kv isn't an exact science) and with this gearbox I can make the last two or one stage a 4:1 if I need more reduction. I've settled on plans, rear with 3:1 differential, planetary gearbox with reduction in front of axle, two transfer gears to get driveshaft higher in frame, driveshaft to motor housed under hood. Very similar to the actual 1:1 machines. All in my head at this point. I may start making some notes for reference [/QUOTE]This has maybe been asked before but there did you buy those motors from? Calum
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