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Tire Selection Spreadsheet

Printed From: Official Baja SAE Forums
Category: General
Forum Name: File Depot
Forum Description: Have a useful spreadsheet or want to show off a .par file? This is the place
URL: http://forums.bajasae.net/forum/forum_posts.asp?TID=822
Printed Date: Dec/01/2022 at 7:54am


Topic: Tire Selection Spreadsheet
Posted By: dillon_b12
Subject: Tire Selection Spreadsheet
Date Posted: Sep/13/2011 at 5:59pm
This was done around 2008 or 2009 so you can pretty much ignore the prices.

The tire specs are just what's available online if you do some digging.  Position is where I saw the tires being used by other schools, or where I was looking at using them.  Tire profile is just an arbitrary term I used to describe the general profile of the tire.  Rounded is obviously fairly rounded and flat/rounded just has a more square profile.

If anyone else has info to add to this just post it here and I'll update the chart.


      Tire Choices              
                     
Manufacturer Tire Name Position Tire Profile Wheel Diameter Tread Depth Tire Size Weight(lbs.) Radial Ply Price
OHTSU H-Track M/R 101 Front Rounded 10 ? 22X7-10 10.79 N 2 $58.99
GBC Pro-Traks Front Rounded 10 15/32" 22x8-10 11.2 Y 2 $53.99
Maxxis M9207 Front Pro Front Rounded 10 16/32" 22x8-10 11.53 N 2 $71.95
Maxxis M9207 Front Pro Front Rounded 10 16/32" 22x8-10 11.68 N 4  
GBC Front Pro XGT Front Rounded 10 17/32" 22x8-10 11.7 N 2  
Maxxis M943 iRazr Front Rounded 10 15/32" 22x7-10 12.57 Y 6 $78.99
Maxxis  M933 Razr2 Sport Front Rounded 10 19/32" 22x7-10 12.6 N 6 $82.99
Maxxis  M933 Razr2 Sport Front Rounded 10 19/32" 23x7-10 13 N 6 $82.99
ITP Holeshot XCT Front Rounded 10   23x7-10 14 N 6 $85.95
ITP Holeshot GNCC Front Rounded 10   22x7-10 14.5 N 6 $92.95
Kenda Front Max K284 Front Rounded 10 ? 22x8-10 ? N 2  
                     
                     
Manufacturer Tire Name Position Tire Profile Wheel Diameter Tread Depth Tire Size Weight(lbs.) Radial Ply Price
Dunlop KT821 Front used on Rear Flat/Rounded 10 15/32 22x8-10 12.4 N 2 $61.95
Carlisle 489 Front used on Rear Rounded 10 ? 23x7-10 12.4 N 2  
AMS Black Widow Rear Rounded 10 19/32" 22x8-10 12.4 N 4 $58.95
Super Grip Super Light Front used on Rear Rounded 10   22x8-10 13 N 6 $51.20
ITP Mudlite SP Front used on Rear Rounded 10 16/32" 22x7-10 13.5 N 6 $75.95
ITP Mudlite AT Rear Rounded 10 19/32" 23x8-10 13.7 N 6 $70.95
ITP Mudlite AT Rear Rounded 10 19/32" 22x8-10 13.8 N 6 $66.95
Carlisle 489 Front used on Rear Rounded 10   23x8-10 13.8 N 3  
Pirelli Mudwiser Front used on Rear Flat/Rounded 10   22x8-10 14 N 6 $50.72
ITP Trac Star Rear Flat/Rounded 9   22x11-9 15 Y 6 $94.95
ITP Trac Star Rear Flat/Rounded 10   22x11-10 15 Y 6 $96.95
GBC Dirt Devil 2 Rear Flat/Rounded 10 20/32" 22x8-10 15.8 N 6  
GBC Dirt Devil 2 Rear Flat/Rounded 10 20/32" 23x8-10 15.9 N 6  
Kenda Bear Claw Rear Flat/Rounded 10 15/32" 22x8-10 16.44 N 6  
Maxxis M934 Razr2 Rear Flat/Rounded 10 20/32" 22x11-10 16.5 N 6 $109.99
ITP Mudlite AT Rear Flat/Rounded 10 19/32" 23x10-10 17 N 6 $78.95
Pirelli Mudwiser Rear Flat/Rounded 10   22x11-10 17 N 6 $62.34
ITP Mudlite AT Rear Flat/Rounded 10 20/32" 22x11-10 17.1 N 6 $80.95
AMS Black Widow Rear Flat/Rounded 10 19/32" 22x11-10 17.18 N 4 $62.95
Titan Fast Trekker Front used on Rear Flat/Rounded 10 ? 22x8-10 ? N 6 $57.95




Replies:
Posted By: faraz
Date Posted: Jan/04/2012 at 9:49am
hi.. i m faraz from pakistan, i will be a participitant of sae baja in coming months so i am working on this project, so plz help me out that which type of tyres i should use in front and in back......


Posted By: p.lewis
Date Posted: Jan/04/2012 at 10:58am
If you want to copy what other teams are doing, check out some pictures online and look closely at the side of the tires for markings indicating the manufacturer and size.  The Baja SAE website has links to team sites where you will usually find plenty of pictures and sometimes vehicle specifications too. 
 
Tire selection has been discussed before on the forums, so do a search to catch up with the discussion: http://forums.bajasae.net/forum/how-to-make-the-seach-button-work-for-you_topic814.html - http://forums.bajasae.net/forum/how-to-make-the-seach-button-work-for-you_topic814.html


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University of Rochester Alum


Posted By: malik378
Date Posted: Jan/22/2014 at 5:57am
This year the organizers have changed the engine from Lombardini to B&S Model 20. As Virtual BAJA, the preliminary round for BAJA, is within 3 weeks, we are in need of a cad model of B&S. If any one provide us with one we would be really thankful.

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Mohsin


Posted By: Soccerdan7
Date Posted: Jan/22/2014 at 10:13am
Originally posted by malik378 malik378 wrote:

This year the organizers have changed the engine from Lombardini to B&S Model 20. As Virtual BAJA, the preliminary round for BAJA, is within 3 weeks, we are in need of a cad model of B&S. If any one provide us with one we would be really thankful.

What does this have to do with tire selection?


-------------
Danny

Cornell

(fall'07 - spring'12)
Former Captain / MEng / that guy with all the carbon
10 races, 7 top ten's, 2 overall wins


Posted By: Yashraj
Date Posted: Aug/03/2019 at 2:30am
What is the significance of ply rating . i.e what is different to use 2 ply instead of 4 ply ? Is there any difference in performance ?


Posted By: sujandinesh
Date Posted: Aug/04/2019 at 9:06am
The number of plies in your tyre majorly affects the tyre life (in addition to several other factors). A tyre with more plies is less prone to failure to any sharp obstacles in the terrain and also provides greater strength and stiffness to your tyre.

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RVCE BAJA: 2011-2015
General Motors: 2015-2016
Tyre Testing - University Racing Eindhoven: 2016-2017
Tyre Dynamics - TASS International: 2017-2018

Tyre Engineer - Apollo Vredestein
The Netherlands



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