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Author Topic: Motorcycle Front Wheel Size  (Read 14428 times)

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Offline Roland6250

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Motorcycle Front Wheel Size
« on: October 28, 2008, 01:57:52 PM »
Not owning a SCTA rule book here is my question.

What is the smallest front wheel allow for a motorcycle and does anyone have suggestions for suppliers?
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Offline Seldom Seen Slim

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Re: Motorcycle Front Wheel Size
« Reply #1 on: October 28, 2008, 01:58:57 PM »
15 inches - unless you're talking about a streamliner or the third wheel on a sidecar rig.  Lots of suppliers including eBay.
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Offline Roland6250

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Re: Motorcycle Front Wheel Size
« Reply #2 on: October 28, 2008, 02:02:21 PM »
Hi Slim

The yellow streamliner in 2006 had a much smaller front wheel but attemps to get info has failed.

What is the streamliner rule for smallest front wheel?
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Offline Stainless1

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Re: Motorcycle Front Wheel Size
« Reply #3 on: October 28, 2008, 02:07:50 PM »
Quote from: Roland6250 on October 28, 2008, 02:02:21 PM
Hi Slim

The yellow streamliner in 2006 had a much smaller front wheel but attemps to get info has failed.

What is the streamliner rule for smallest front wheel?


Roland, that is the beauty of the special construction class, rules are for safety, how you go fast is up to you....  :wink:
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Offline Seldom Seen Slim

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Re: Motorcycle Front Wheel Size
« Reply #4 on: October 28, 2008, 02:10:27 PM »
I haven't seen a rule on smallest front wheel size and therefore don't think there is a RULE.  But if you get really small you should expect some thorough investigation from the technical committee on how well it would work.  I've seen 10" or so diameter, though...
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Offline RidgeRunner

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Re: Motorcycle Front Wheel Size
« Reply #5 on: October 29, 2008, 08:23:58 AM »
     Just a reminder, smaller outer dia = faster bearing speed.......

                     Ed
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Offline Dean Los Angeles

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Re: Motorcycle Front Wheel Size
« Reply #6 on: October 29, 2008, 11:22:04 AM »
The streamliner wheel size isn't the real criteria. The tire that goes on it certainly is. If you don't have a speed rating on the tire then you will have to prove to the technical inspector that it will survive the speed in your class.
There is no minimum size for streamliners.
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Offline wolbrink471

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Re: Motorcycle Front Wheel Size
« Reply #7 on: October 29, 2008, 12:03:23 PM »
Quote from: Dean Los Angeles on October 29, 2008, 11:22:04 AM
If you don't have a speed rating on the tire then you will have to prove to the technical inspector that it will survive the speed in your class.

How is this normally proven?

movie of xx minutes on a dyno? try to apply testing from some other discipline to LSR?

hmmmmmmmmm

Mark
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Offline Jonny Hotnuts

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Re: Motorcycle Front Wheel Size
« Reply #8 on: October 29, 2008, 12:17:38 PM »
Is the yellow streamliner you speak of Jacks NT?
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Offline willieworld

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Re: Motorcycle Front Wheel Size
« Reply #9 on: October 29, 2008, 12:20:56 PM »
2 wheels  15 in.---3 wheels on bike 10 in.--on sidecar 5 in. ----streamliner and sidecar streamliner--unlimited---tire speed rating will have to meet rating for record in class ran--if there is no record in your class then the one above it or until there is --(these are rim sizes)-------------willie buchta
« Last Edit: October 29, 2008, 12:25:00 PM by willieworld »
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Offline ironwigwam

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Re: Motorcycle Front Wheel Size
« Reply #10 on: October 29, 2008, 06:14:52 PM »
There are at least two motorcycle lliners that I know using an solid metal frontwheel, no tire
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Offline willieworld

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Re: Motorcycle Front Wheel Size
« Reply #11 on: October 29, 2008, 06:36:00 PM »
i think you can run a metal wheel (sidecar or streamliner front) if you get it preapproved but not at el mirage ---dont quote me though----willie buchta
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Offline Dean Los Angeles

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Re: Motorcycle Front Wheel Size
« Reply #12 on: October 29, 2008, 07:18:23 PM »
Quote
El Mirage Dry Lake Land Speed Racing Procedures
IV. Vehicle Inspection
D. Wheels:
The use of non-pneumatic wheel/tire combinations (i.e.; aluminum wheels) is prohibited due to previously
demonstrated lakebed surface damage.

The use of solid wheels with no tire is more about not being able to get a tire that will work at that speed.

Tires are very much preferable.
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Well, it used to be Los Angeles . . . 50 miles north of Fresno now.
Just remember . . . It isn't life or death.
It's bigger than life or death! It's RACING.

Offline Seldom Seen Slim

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Re: Motorcycle Front Wheel Size
« Reply #13 on: October 29, 2008, 08:34:49 PM »
Solid front wheels:

Cliff Gullett's #7070



Sam Wheeler's #999



Rick Yacoucci's Nebulous Theorem


Yeah, it's a car, but it shows that solid wheels are used in more than just bike streamliner applications.
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Jon E. Wennerberg
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Offline 1212FBGS

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Re: Motorcycle Front Wheel Size
« Reply #14 on: October 29, 2008, 09:58:34 PM »
roland
what frame class ya thinkin?
kent
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