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Post by mikezamora on Dec 27, 2010 17:35:37 GMT -8
Just a reminder: In 2011 full width rear bumpers will be mandatory in ALL classes. They can be steel or plastic (Rotax plastic only) and u can build your own (subject to tech approval). So plan ahead, there will be no grace period. We do not want to tell somebody that they cannot race because of an unapproved rear bumper.
Mike Zamora
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Post by Craig on Dec 28, 2010 7:01:26 GMT -8
Are there any requirements for the bumpers posted somewhere? What size tubing needs to be used? How wide and how tall do the bumpers need to be? Thanks for the help.
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Post by mikezamora on Dec 28, 2010 10:40:49 GMT -8
We will post the rule and a pic tonight...
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Post by Ricky Worley on Dec 28, 2010 17:10:56 GMT -8
don't remind me.. i gotta build two or three of them. Need to get a die for my bender, then i'll be good though.
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Post by Corey on Dec 29, 2010 6:41:40 GMT -8
The rule is...
Starting Jan. 1, 2011 all karts must be equipped with a rear bumper to protect the driver and kart from rear impact and to keep the following kart from reaching the rear tires. The bumper may be either CIK style plastic "rear wheel protection" or steel tube of a double bar design.
The bumper shall extend to at least the center of the rear tires. The ends of the bumper shall not extend beyond the outside of the rear tires except in a declared rain race.
David and I have been building them for the last year. Ours fit cadet and full size karts and are easy to install or we can install them for you.
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Post by Corey on Dec 29, 2010 9:52:44 GMT -8
Here is a picture of the style we make. They are of .750x.083 mandrel bent steel tubing. Attachments:
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Post by Gorgeman on Jan 2, 2011 11:38:45 GMT -8
The stock full width rear bumper that came with my Road Rat is 51" The chassis is WKA and AKRA approved. I run my tires at about 50". Does this mean I have to shorten my stock bumper?
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Post by Corey on Jan 2, 2011 12:36:37 GMT -8
They cannot extend beyond the width of the rear tires, so they need to be shortened.
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Post by mikezamora on Jan 2, 2011 14:44:23 GMT -8
The stock full width rear bumper that came with my Road Rat is 51" The chassis is WKA and AKRA approved. I run my tires at about 50". Does this mean I have to shorten my stock bumper? Or widen your rear track width... |
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Post by voodooracing on Jan 2, 2011 15:41:14 GMT -8
Take it from Mike...he runs his rear track width at its widest....on his kart too! ;D
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Post by Corey on Jan 3, 2011 8:33:12 GMT -8
Take it from Mike...he runs his rear track width at its widest....on his kart too! ;D As long as he does not exceed 55 1/8 rear track width....... |
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Post by mikezamora on Jan 3, 2011 10:57:16 GMT -8
Take it from Mike...he runs his rear track width at its widest....on his kart too! ;D Maybe you should follow my lead...might save the club some money on barriers, just sayin'  |
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Post by Corey on Jan 3, 2011 12:52:42 GMT -8
Even I heard the crack of the towel on that one!  [glow=red,2,300]Ok Jesse we're waiting.....[/glow]
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Post by voodooracing on Jan 3, 2011 15:41:01 GMT -8
Nothin....I got nothin....  lol...u hit one barrier that i think zamora missplaced to close to the track and noone forgets! lol... |
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Post by Ricky Worley on Jan 4, 2011 21:16:48 GMT -8
Here is a rear bumper that i made for one of my karts. I will be making more for a couple of my other karts. There will be a few subtle changes, but nothing big. Also may be looking into chroming for a factory look. If interested, let me know. Attachments:
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lol...u hit one barrier that i think zamora missplaced to close to the track and noone forgets! lol... 