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| Electric RC Car and Truck Discussion Discuss electric RC vehicles |
Topic Review (Newest First)
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| 05-05-2014 02:12 PM | ||
| wparsons |
Re: 1/16 revo brushed (reaf dif) Quote:
 It's gotta be something in the gearbox. Either a broken part, grit, worn out bearing inside the diff area (input shaft, output shafts, etc). |
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| 05-05-2014 02:10 PM | ||
| northern mike |
Re: 1/16 revo brushed (reaf dif) Quote:
I'm wondering if the pin on the spur gear shaft may have been broken at one point and there is a piece floating around inside the gearbox somewhere. Would be worth pulling the gearbox apart, clean and regease everything. I haven't personally broken any pins in my traxxas gearbox, but have worked on a few that have. Could be internal bearings or something else. Bad wheel bearings shouldn't cause this as the clutch should slip and or the diff dump all the power to the wheel with less resistance. I had an OFNA 1/8 diff I just rebuilt this week that had a broken pin. The pieces of the pin where still in place, but one piece was dragging on the case |
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| 05-05-2014 01:56 PM | ||
| wparsons |
Re: 1/16 revo brushed (reaf dif) If he's stripping the diff gears, it doesn't have anything to do with the pinion gear on the motor, or pinion/spur mesh. Mesh isn't adjustable between the ring and pinion gear for the diff, so unless something is broken or a bearing is worn you don't have to worry about it. |
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| 05-05-2014 01:51 PM | ||
| northern mike |
Re: 1/16 revo brushed (reaf dif) Just a thought... What brand of pinion are you running and how are you messing the gears? It may be improper messing which too tight or too loose will destroy those gears. |
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| 04-20-2014 08:02 PM | ||
| HFRajunCajun |
Re: 1/16 revo brushed (reaf dif) Definitely something is binding. If you put your chassis up on a block with the wheels spinning freely, how easy is it to turn both the front and rear wheels at the same time? (engaging the spur and pinion) |
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| 10-19-2013 06:08 PM | ||
| Calvin Lord |
Re: 1/16 revo brushed (reaf dif) shimmed the diff and its lasted 2 batterys so far however I did strip the spur gear |
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| 10-17-2013 05:44 PM | ||
| Calvin Lord |
Re: 1/16 revo brushed (reaf dif) i don't see any issues with anything other then just the fact they keep stripping but im going to get new bulkheads tonight and my ring and pinion's ( i ordered 2 sets) should be in tomorrow but im going to loosen the slipper a little more and shim the diff witch i have not done as i have always felt some binding as it was but ill see how it goes. Thanks alot for the help |
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| 10-15-2013 06:52 PM | ||
| wparsons |
Re: 1/16 revo brushed (reaf dif) I ran mine on 3s with a 4000kv 540 motor with zero issues, and to make it even worse... I bought it as a used roller with no idea what shape the diffs were in when I got it, and never tore it down to find out. I'd tear it apart again to see if there's any debris in there and also check to see if the inner gearbox casing is still in good shape. You definitely shouldn't be shredding gears like this. |
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| 10-15-2013 06:48 PM | ||
| Calvin Lord |
Re: 1/16 revo brushed (reaf dif) everything was assembled right the bearings are new, the slipper was backed off plenty (about a full turn back) Traxxas told me a 1/4 turn should be more then enough but everyone else says 3/4 so i decided to do a full turn. honestly it makes me wonder how the guys who run brushless set ups and a 3s lipo or dual stock batteries. i tried to shim the diff but i couldn't because it was to tight even with 1 shim |
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| 10-15-2013 01:30 PM | ||
| wparsons |
Re: 1/16 revo brushed (reaf dif) The slipper should be backed off so that it slips for about 3 feet from a dead stop on whatever surface you normally run on. Is everything assembled correctly? Are the bearings shot? |
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