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08-22-2010, 10:23 PM
| #1 |
| Newbie Join Date: Apr 2010 Location: Valley Center
Posts: 9
|  Slash 4Link-conversion
is the R2 1:1 Gear Ratio Transmission a good strong tranny for a slash that been modified for a 4link...i recently bought the Hardcore Short Course axle an changed the internals to a 13/36 ration...good or Bad...    Last edited by rider762; 08-22-2010 at 11:24 PM. |
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08-23-2010, 04:55 AM
| #2 |
| Quarry Creeper  Join Date: Jun 2010 Location: 801 El Capital
Posts: 434
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I did not even know they were making this stuff. That is sweet. May have to start looking at short course stuff again. Jason |
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08-23-2010, 12:17 PM
| #3 |
| Rock Stacker Join Date: Aug 2010 Location: visalia
Posts: 54
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that is sick what chassi is that and some more info that sick
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08-23-2010, 02:24 PM
| #4 |
| Newbie Join Date: Apr 2010 Location: Valley Center
Posts: 9
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its just a piece of 1/8" steel w a couple custom traxxas pieces....then it has a Harcore Shortcourse axle . . . got a R2 1:1 tranny on its way...
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08-23-2010, 02:59 PM
| #5 |
| PapaGriz Yo   Join Date: Apr 2004 Location: In the garage building the wife a crawler
Posts: 13,137
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My Trophy Slash has a WK rear axle with Axial overdrive gears in it, and an Axial transmission. I run 30/54 32 pitch gears (45/84) and a Castle 4600 on 3S LiPo. I would think you would need more gear reduction than just the rear end. |
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08-23-2010, 03:39 PM
| #6 |
| Newbie Join Date: Apr 2010 Location: Valley Center
Posts: 9
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well thats why im on these forums, cause im tryin to figure everything out what kinda gears will fit in that short course axle that i have from Hardcore...cause right now there the beveled 13/26 i think from option gear axial...help
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08-23-2010, 05:42 PM
| #7 | |
| PapaGriz Yo Join Date: Apr 2004 Location: In the garage building the wife a crawler
Posts: 13,137
| Quote:
This gives me an overall gear reduction of 12:1 and my truck goes 50 mph. You will only have 26/13 = 2:1 gear reduction so you need a transmission. | |
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08-23-2010, 05:50 PM
| #8 |
| Newbie Join Date: Apr 2010 Location: Valley Center
Posts: 9
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thats what i mean sorry, i have the 36/14 gears in the axle. . . that with the R2 1:1 tranny wont be good enough. . . i can always put a different 32pitch pinion inside of the tranny...
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08-23-2010, 11:20 PM
| #9 |
| PapaGriz Yo Join Date: Apr 2004 Location: In the garage building the wife a crawler
Posts: 13,137
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I don't know what the internal gear ratio of the 1:1 R2 is but here is my best guess on finding a pinion. On a stock Clodbuster gearbox we used to find the gear reduction like this: 30 x (13/9) = 43.3 Where 30 was the stock gear reduction (30:1), 13 is the stock pinion gear, and 9 is the new pinion gear. The new reduction with the 9 tooth pinion is 43.3:1. Using the same principal on the 1:1 R2 and knowing that it comes with a 28 tooth pinion: 1 x (28/9) = 3.1 If you use a 9 tooth pinion the reduction should be 3:1. Your rear axle has a 36/13 = 2.8:1 gear reduction. (I used the wrong numbers in my previous post) 2.8 x 3.1 = 8.6 I don't think an 8.6:1 gear reduction is enough. You said the axle can use Axial gears. If that is true and you got the Axial underdrive gear set. 43/13 gears. 43/13 = 3.3 Then used a 9 tooth pinion in the R2: 3.3 x 3.1 = 10.3 Your gear reduction is still only 10.3:1. This will put alot of load on the motor and the 9 tooth pinion will not be very efficient at high speed, but it might work. Your best bet is to put in an Axial or Traxxas Stampede tranny imo. |
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08-24-2010, 04:13 AM
| #10 |
| Quarry Creeper Join Date: Feb 2010 Location: melbourne
Posts: 215
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Can we get some more pics of the truck without the body and some more build specs thanks Charles
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08-24-2010, 11:35 AM
| #11 |
| Newbie Join Date: Apr 2010 Location: Valley Center
Posts: 9
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well in my axle i have the 14/36, then with the R2 1:1 tranny it should be pretty fast ill have to mess around with the pinion, i got pleanty of those from the slash tranny...my original tranny was the slash ( locked ) an turned sidways, but it just was to low of gearing even with a 28t pinion to a 52 spur. . . it was pretty much the speed of a stock ax10...
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08-24-2010, 04:27 PM
| #12 |
| Quarry Creeper Join Date: Jun 2009 Location: SoCal
Posts: 230
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looks pretty mean, let's see some action shots  |
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09-02-2010, 07:59 AM
| #13 |
| Newbie Join Date: Jan 2009 Location: San Francisco
Posts: 28
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Man that's a good lookin rig there |
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09-04-2010, 03:05 PM
| #14 |
| Quarry Creeper Join Date: Sep 2010 Location: t(._.t)
Posts: 465
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is 4 link better than trailing arm?????
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09-04-2010, 03:07 PM
| #15 |
| Quarry Creeper Join Date: Sep 2010 Location: t(._.t)
Posts: 465
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but looks sweet!!!!  |
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02-23-2011, 09:23 PM
| #16 |
| Newbie Join Date: Aug 2009 Location: Antelope
Posts: 30
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That things sweeet!! Im thinking about doing that to my 4x4??? |
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