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  #1  
Old 11-20-2008, 12:55 PM
jcr jcr is offline
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Turn radius for track

I'm thinking of getting a RS4 Micro for bashing around and was planning of building a track in the basement. Was wondering what is the smallest turning radius that these cars can handle? Would it work on a mini-z track (lanes are 2ft wide)?
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  #2  
Old 11-20-2008, 05:22 PM
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Yes that should be fine......just remember that the epa for the servo is adjustable.
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Old 11-20-2008, 05:27 PM
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I'm kind of new to this, what is EPA and how do you adjust it?
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Old 11-20-2008, 05:50 PM
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It stands for End Point Adjustments for steering......its used to limit the right and left steering of the servo, and you can fine adjust it using your radio.
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Last edited by alfred; 11-20-2008 at 06:04 PM.
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  #5  
Old 11-20-2008, 05:55 PM
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ok thanks
So how wide of a turn do these cars normally make?
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Old 11-20-2008, 06:03 PM
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You will have no problems with turning radius.........which driving format are you going to use 140 or 150mm. 140 will give you a better turning radius then 150, but then again 150 gives you a more stable car.
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  #7  
Old 11-20-2008, 06:07 PM
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Not sure yet... I haven't purchase the kit yet... was just doing research. But I thought I ready somewhere that these cars have a large turning radius for it's size so that's why I was wondering how wide should it need? Most of the turns I'm planning to have will be hairpin like turns so that would require the maximum amount of turning radius
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Old 11-20-2008, 06:12 PM
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Then i would opt for the 140mm belt.........and you might want to find a GPM adjustable steering linkage as well so that way your able to set your toe in or toe out. The HPI steering linkage and servo saver will do fine as well.
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Old 11-20-2008, 06:32 PM
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What is the part number for the GPM and where can you find GPM parts?

For the HPI you mean this one? http://www.hpiracing.com/products/en/73436/
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Old 11-20-2008, 06:36 PM
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You might want to get the servo mount to go with it.......since the servo saver is made for a micro servo. And as for the GPM link you might want to do a search on ebay.......I dont have a number on them so searching for it might be kind of hard......

You might be better off with the Dual link setup by HPI.........since its probably easier to find them.
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Last edited by alfred; 11-20-2008 at 06:51 PM.
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  #11  
Old 11-20-2008, 06:51 PM
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the dual link is the HPI link I posted?
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  #12  
Old 11-20-2008, 06:52 PM
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yes it is....... You might want to think of getting the servo mount as well to go with it.
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  #13  
Old 11-20-2008, 07:02 PM
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The servo mount cuts down on the size of the standard servo by letting you go with a micro servo......this will also give you more room. Take a look at the pic so you know what im talking about. The second pic is the servo mount with the gpm linkage.
Attached Images
File Type: jpg 540%20Chassis%20005.jpg (82.4 KB, 9 views)
File Type: png section1.png (629.1 KB, 8 views)
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Last edited by alfred; 11-20-2008 at 07:06 PM.
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  #14  
Old 11-20-2008, 07:58 PM
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thanks for the info... now i just need to get myself a RS4 micro!
Nice car!
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  #15  
Old 11-21-2008, 06:40 AM
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Have you checked ebay........you might be able to find one that comes with a lot of hopups already installed.

http://yourmicro.com/forums/showthread.php?t=20427
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Last edited by alfred; 11-21-2008 at 06:44 AM.
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