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10-25-2011, 02:12 AM
| #1 |
| Quarry Creeper Join Date: Aug 2011 Location: Australia
Posts: 206
|  VP knuckles and 8deg C hubs
I just got my VP zero ackerman knuckles and 8deg C hubs. Now Im the fisrt to admit Im a newbie so I need some help. In pulling down my diff to instal the beef toobs at the same time Im looking at my new C hubs thinking they are exactly the same caster?? as the stock c hubs.  Are the standard hubs 8deg already? I thought buy buying these it would change the castor. Any ideas? Nik |
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10-25-2011, 02:32 AM
| #2 |
| Quarry Creeper Join Date: Aug 2011 Location: Australia
Posts: 206
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Just found it Im looking at mounting holes to the axle tube not the c hubs to knckle holes  Nik |
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10-25-2011, 12:52 PM
| #3 |
| Quarry Creeper Join Date: Aug 2011 Location: Australia
Posts: 206
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I still may need help, are these designed to work together? I couldve sworn I read a thread on it but I cant find any info on it and it looks to anglethe end of the axle up or down (depending which way its mounted) Thanks Nik |
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10-25-2011, 01:03 PM
| #4 |
| Rock Crawler Join Date: Sep 2011 Location: truckee
Posts: 918
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you need the 8* knuckles to use the 8* c hubs.
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10-25-2011, 01:40 PM
| #5 |
| I wanna be Dave Join Date: May 2007 Location: Taylors Falls just hanging with the MNRCRC crew.
Posts: 7,843
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The beef tubes give you caster the hubs give you camber.
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10-25-2011, 01:50 PM
| #6 |
| Quarry Creeper Join Date: Nov 2010 Location: Toronto Canada
Posts: 445
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What kind of castor numbers work with these? I use to run 18-20 degrees in my GC3a sporty but would adding these allow taking out some castor? Sorry don't mean to hi-jack but it is kind of related.
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10-25-2011, 01:58 PM
| #7 | |
| I wanna be Dave Join Date: Nov 2007 Location: Memphis
Posts: 4,786
| Quote:
The 8 degree hubs change the inclination of the knuckle kingpin angle. Instead of the straight up and down knuckle mounting points, the 8 degress are at an angle. non 8 degree knuckle mounting points: |ax10 axle| 8 degree knuckle mounting points: /ax10 axle\ Last edited by helhedded; 10-25-2011 at 02:00 PM. | |
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10-25-2011, 05:19 PM
| #8 |
| Quarry Creeper Join Date: Aug 2011 Location: Australia
Posts: 206
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The knuckles I just got are vp 8 deg and I got zero ackerman knuckles as there wasn't much info on the site. Now I have them im not sure they can be used together. although if I did it would make the wheels sit like the above picture. So what'd the benifit? I thought it was 8 deg camber when I ordered them. If they ate suitable I can still clock them as I'm putting in beef toobs at the same time. Thanks Nik |
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10-25-2011, 06:36 PM
| #9 |
| I wanna be Dave Join Date: Nov 2007 Location: Memphis
Posts: 4,786
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That above diagram does NOT represent the wheels. It merely represents the mounting points for your knuckles. http://www.rccrawler.com/forum/vanqu...ghlight=degree |
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10-25-2011, 08:16 PM
| #10 | |
| Shelf queen   Join Date: Aug 2008 Location: Internet
Posts: 5,857
| Quote:
The 8* inclination is actually in reference to the knigpin, NOT cvaster or camber. This kingpin angle reduces tire scrub by moving the pivot/rotation of the tires more towards the center of the wheel's/tire's contact patch, making it easier for the servo to turn the tires. In a normal, non-8* inclination knuckle/C-hub setup, the servo is forced to swing the tire around the kingpin's pivot point/rotational axis. Last edited by TSK; 10-26-2011 at 01:32 AM. | |
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10-25-2011, 09:26 PM
| #11 |
| Quarry Creeper Join Date: Aug 2011 Location: Australia
Posts: 206
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Cool thanks for that now its all clear. Shame it didn't have that on the website. It's a well made product well packaged but not much info. Now I gave to wait another 3 weeks for the right parts (postage to Australia vp posted ASAP) bummer. What's the best option change the knuckles or c hubs? Thanks Nik |
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10-26-2011, 12:10 AM
| #12 | |
| Ex Nor-CalRCRC slave  Join Date: Dec 2008 Location: San Mateo, CA.
Posts: 2,242
| Quote:
You have the C's now, so get the 8 degree knuckles. Don't get too crazy with the clocking, or steering setups will get tougher to fab up. With the 8 degree parts, around 15 degrees from vertical would be about the most I'd run. | |
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10-26-2011, 12:25 AM
| #13 |
| Quarry Creeper Join Date: Aug 2011 Location: Australia
Posts: 206
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Lol I searched and looked so much my wife asked was I having an affair.. obviously I looked in the wrong spot. Yes I can clearly see the difference now. Nik |
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12-10-2011, 01:23 PM
| #14 |
| Quarry Creeper Join Date: Aug 2011 Location: Australia
Posts: 206
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Does anyone else that runs this setup have trouble steering? Since installing these its like Ive gone back to a cheap servo it wont turn when bound up only when moving forwards. I set the BEC to 6.5v and its still the same (Im running a hitec 7995). It moves freely when I lift the car up and it turns on flat stuff? My first thought was the bolts where too tight but Ive ran them that loose they nearly fall out and its the same. Nik |
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