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02-20-2008, 11:10 AM
| #1 |
| Rock Stacker Join Date: Jan 2008 Location: Laurens SC
Posts: 90
|  HPI Final Gear Set P1x38T/P1x13T #86336 Is any one running this? http://www.hpiracing.com/products/en/86336/ I have noticed some wear on my stock ring and pinion and was just thinking about upgrading to this. Or should i just replace with the stock again. |
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02-20-2008, 01:00 PM
| #2 |
| Quarry Creeper Join Date: Jun 2006 Location: um, Houston?
Posts: 364
| The part in the link you posted looks to be higher quality than the drive gears I found in the Wheely King option parts list: http://www.hpiracing.com/products/en/A855/ |
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02-20-2008, 01:22 PM
| #3 |
| Quarry Creeper Join Date: Apr 2007 Location: YAKIMA
Posts: 248
| just my .02 cents but i would go with the r&p from rcp crawlers http://rcpcrawlers.com/product.php?p...&cat=23&page=1 or the hpi r&P #A856 and #A857 and they are hardend gears http://www.hpi-europe.com/piw.php?lang=en&partNo=A856 http://www.hpi-europe.com/piw.php?lang=en&partNo=A857 i have rcp r&p and the teeth on those are really deep and they are pretty heavy |
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02-20-2008, 01:40 PM
| #4 |
| Rock Stacker Join Date: Jan 2008 Location: Laurens SC
Posts: 90
| Seems as if #86336 is the same thing as what you posted in 2 links but the US market gets them as a one piece set. |
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02-20-2008, 05:51 PM
| #5 |
| Quarry Creeper Join Date: Apr 2007 Location: YAKIMA
Posts: 248
| the A856 and A857 are hardend gears and are for the rs4 mt the ones you listed are not hardend gears thats why i listed them cause they are a complete different gear sets the ones i listed are 5mm shaft for the drive lines and the ones you listed are the 6mm shafts |
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02-21-2008, 11:27 AM
| #6 |
| Rock Stacker Join Date: Jan 2008 Location: Laurens SC
Posts: 90
| Cool thanks. I am still trying to figure out all this stuff. |
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02-21-2008, 05:45 PM
| #7 |
| Rock Stacker Join Date: May 2007 Location: SoCal
Posts: 78
| I'm running the upgraded HPI set in the front of my WK-based crawler. Unfortunately, it's not a direct fit. Maximizer lockers don't fit in the ring gear without modifying them. Compared to stock, the upgraded ring gear isn't as deep where the locker or planetary gears go. The pinion gear is a 5mm diameter instead of 6mm where the u-joint attaches. This means the stock u-joint will have a lot of play. To get rid of this play, you can use a Traxxas T-Maxx 2.5 transmission output yolk and drill the center with a 5mm drill bit (to remove the flat sides). |
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02-21-2008, 08:47 PM
| #8 | |
| RCC Addict Join Date: Jun 2006 Location: Nor Cal
Posts: 1,137
| Quote:
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03-10-2008, 09:43 PM
| #9 | |
| Rock Stacker Join Date: Feb 2008 Location: AL
Posts: 63
| Quote:
Is the rcp crawlers version a literal direct fit...same size shaft, etc? Last edited by ClaySlayer; 03-10-2008 at 10:25 PM. | |
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03-10-2008, 10:29 PM
| #10 | |
| RCC Addict Join Date: Jun 2006 Location: Nor Cal
Posts: 1,137
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03-11-2008, 12:27 AM
| #11 | |
| Rock Stacker Join Date: Feb 2008 Location: AL
Posts: 63
| Quote:
Thanks! BTW, what's the part number on those Emaxx shafts? Also, are you running the stock tranny or something else? Thanks again! | |
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03-11-2008, 12:32 AM
| #12 | |
| Rock Stacker Join Date: May 2007 Location: SoCal
Posts: 78
| Quote:
http://www3.towerhobbies.com/cgi-bin...&I=LXDDT2&P=ML And the driveshafts: http://www3.towerhobbies.com/cgi-bin...?&I=LXSP55&P=M As I said in my previous post, this yoke will need to be drilled or bored out to 5mm to get rid of the flat sides on the inside, so they can fit the differential pinion gear shaft. | |
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03-11-2008, 12:59 AM
| #13 |
| Pebble Pounder Join Date: Jan 2008 Location: midvale, Utah
Posts: 189
| This is better.... includes a locker.... http://rcpcrawlers.com/product.php?p...&cat=23&page=1 |
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03-11-2008, 01:07 AM
| #14 | |
| RCC Addict Join Date: Jun 2006 Location: Nor Cal
Posts: 1,137
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03-11-2008, 01:07 AM
| #15 | |
| RCC Addict Join Date: Jun 2006 Location: Nor Cal
Posts: 1,137
| Quote:
Awesome , but wont last half as long | |
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03-11-2008, 08:08 AM
| #16 |
| Pebble Pounder Join Date: Jan 2008 Location: midvale, Utah
Posts: 189
| why is that? |
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03-11-2008, 08:53 AM
| #17 | |
| RCC Addict Join Date: Jun 2006 Location: Nor Cal
Posts: 1,137
| Quote:
A copper alloy ring and pinion VS Hardened steel. I don't know about you but the little I know of metallurgy, hardened steel seems to be a lot stronger and harder metal and should outlast a copper alloy by a long run. But that's just my .02 In no way am I knocking RCP's products but I'd rather have something that lasts a long time. Put it this way. I have the same gears in my HPI MT2 SS (nitro rig) and you can land a jump at full throttle and I havent stripped any gears, nor do they have any wear after a Diff rebuild | |
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03-11-2008, 09:23 AM
| #18 |
| Rock Stacker Join Date: Feb 2008 Location: AL
Posts: 63
| No need for the locker...I've already done the poor man's locker...aka epoxy. Which is probably half the reason the rear diff pinion teeth are rounded off... Looks like I can get by with stock shafts for now it'll just be a little loose. I'll wait to upgrade shafts when I do a crawler conversion... |
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03-11-2008, 07:17 PM
| #19 |
| Pebble Pounder Join Date: Jan 2008 Location: midvale, Utah
Posts: 189
| Well, without knowing what copper alloy they used, (there are some that are really strong/resilient) or what type of steel was hardened (you can harden 1018 mild steel... but its still 1018 mild steel) its foolish to say one will last 2X as long as another... but thats just my $0.02.... Also, one byproduct of hardening is that it makes metal brittle... so teeth could chip off easier. |
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03-11-2008, 11:28 PM
| #20 |
| RCC Addict Join Date: Jun 2006 Location: Nor Cal
Posts: 1,137
| Well give both a shot in a brushless rig and get back to me |
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