Results 1 to 15 of 100

Thread: Mods for robotic VX

Hybrid View

Previous Post Previous Post   Next Post Next Post
  1. #1
    I spend quite a bit of time playing in the California Desert. In fact I'll be heading out there for the weekend in a few hours. I'll vote for Dirtgripz or a similar tire. 11.5 to 12.5 wide. Use as tall a tire as you can reasonably fit without interference. Something with extra thick (E rated) sidewalls to deal with the jagged rocks. Air them down to like 13-15 lbs. for good stable contact, shock absorbtion, and floatation. For good bite, they should be luggy critters with a decent amount of void between the lugs. The sidewalls should be fairly tall.
    If you go with a thinner C or D sidewalled tires, to obtain the desired squish factor, air up to a higher pressure. Obtaining the right amount of air-down is important to keep you from sliding on hard surfaced rock laden corners. They do need to be stiff enough to minimize body roll though. Use some strong cast smaller diameter rims. Not steel. Use some fairly stiff shocks in the rear, or/and split your rear bumpstops since riding on the bumpstops kills your traction at any appreciable speed.
    At the risk of sounding conceited or arrogant... Actually,, to haul @ss across the Ca desert. I'd pretty much set it up like mine.
    Last edited by Swordy : 03/04/2005 at 11:36 AM
    Its the thrill of the chase

  2. #2
    Member Since
    Mar 2005
    Location
    1999 White Ironman 1348
    Posts
    39
    Thanked: 0
    Thank you Swordy... I found PJ DirtGrip here:

    http://www.ntwonline.com/acb/showdet...unt=1&DETAIL=1

    This seems to be the tire for us:

    PJ-31x10.5R16 (10 ply)
    Load Range: "E"
    Section Width: 10.3
    Tread Width: 8.8
    Rim Width: 7-9
    Outside Diameter: 31.50

    This one is bigger, would it fit ????

    PJ-33x12.5R16
    Load Range: "E"
    Section Width: 12.4
    Tread Width: 10.4
    Rim Width: 8.5-11
    Outside Diameter: 33.30

    Here's a picture of our front right wheel.

    Thanks for everyone's help!

    Art

  3. #3
    Member Since
    May 2002
    Location
    2000, Proton Yellow, VX, 0584
    Posts
    2,584
    Thanked: 10
    Your mail box is full.. I can make it available for a download If that would be easier
    Scott / moncha.com

  4. #4
    Member Since
    Mar 2005
    Location
    1999 White Ironman 1348
    Posts
    39
    Thanked: 0

    Vehicross.info logo

    Quote Originally Posted by Moncha
    Your mail box is full.. I can make it available for a download If that would be easier
    Thanks for the heads up... I looked into it and found we were running low on our disk quota on the website host. No need to resend, info@austinrobot.com forwarded to another account (on a different host) and we did get your logo. Thanks!

  5. #5
    Member Since
    May 2002
    Location
    2000, Proton Yellow, VX, 0584
    Posts
    2,584
    Thanked: 10
    No, THANK YOU and good luck!!!

  6. #6
    Art,
    No, 33/12.50-16's will not fit without a lift AND fender trimming. I think you should be safe running 31's without problems. Its been a while since I ran tires that small, so you might want to refer to a couple of the many tire size articles on the site. The subject has come up fairly often.
    Andy

  7. #7
    Member Since
    Jun 2002
    Location
    99 White, 99 Astral Silver, 01 Kaiser Silver
    Posts
    86
    Thanked: 0
    Art, just outta curiosity. I haven't throughly browsed thru your website. But are you guys using solid state drives on your setup?
    Brian Cozzens - Art Director
    Borderlands / Aliens: Colonial Marines
    www.gearboxsoftware.com

  8. #8
    Member Since
    Mar 2005
    Location
    1999 White Ironman 1348
    Posts
    39
    Thanked: 0
    Quote Originally Posted by Swordy
    Art,
    No, 33/12.50-16's will not fit without a lift AND fender trimming. I think you should be safe running 31's without problems. Its been a while since I ran tires that small, so you might want to refer to a couple of the many tire size articles on the site. The subject has come up fairly often.
    Andy
    Here's my current thoughts on tires, I like the Parnelli Jones because of the "E" load rating (thicker sidewalls to protect against rocks). Use STAUN internal bead locks at 48 lbs and run the tires at 25 lbs pressure. Use
    TXT PRO tire sealant to plug punctures.

    http://dirtgriptires.com/default.htm

    Stock Number: PJ-06R
    Size/LR: 31X10.50R16/E
    Cross Section: 10.300
    Tread Width: 8.800
    OD: 31.500
    Rim Wid Range: 7 to 9
    Max Infl: 80 PSI
    Weight: 58.5 lbs
    Max Load: 2910
    Tread Depth: 21/32"

    Tire sealant: TXT Pro
    http://www.sparty.com/techinfo.html

    Bead locks (at 48 lbs):
    Rim 16" x 7 to 8": SBL1678
    http://www.eco4wd.com/products/Hardw...unProducts.htm

    Tire pressure: 25 lbs

    Comments welcome!

  9. #9
    Member Since
    Mar 2005
    Location
    1999 White Ironman 1348
    Posts
    39
    Thanked: 0
    Quote Originally Posted by Swordy
    Use some strong cast smaller diameter rims. Not steel.
    Why not steel rims?

    I believe the only stupid question is the one that is never asked (except maybe "Don't you think it is about time you audited my return?")

Similar Threads

  1. mods mods mods on the mind.
    By ABDragonVX in forum VX Modifications...
    Replies: 34
    Last Post: 03/09/2013, 08:51 PM
  2. Robotic VX to compete again!
    By Art in forum Austin Robot Technology
    Replies: 32
    Last Post: 08/27/2010, 02:47 PM
  3. DARPA Robotic VX...its no longer an urban myth!!!!
    By Triathlete in forum VX Talk...
    Replies: 15
    Last Post: 10/12/2005, 08:29 AM
  4. Dinner w/the robotic VX team in Tucson 9/23/05
    By Triathlete in forum Meets...
    Replies: 2
    Last Post: 09/23/2005, 01:21 PM
  5. Skid plates for robotic VX
    By Art in forum Austin Robot Technology
    Replies: 10
    Last Post: 03/10/2005, 05:14 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
$lv_vb_eventforums_eventdetails