Landracing Forum
East Coast Timing Association => ECTA Rules Questions => Topic started by: racer x on December 29, 2010, 02:46:00 PM
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I got a question I don't have the answer to, so I will ask.
Is there a fork length or steering rake limit at Maxton? Some fool wants to bring a chopper to see how fast it will go. He said he was told he could not run at Maxton or BUB . I said I think it is just plain unsafe. Rule 7.B.14. But that is just me. What is the official feeling for something like that?
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There have been at least three on the salt and a couple at El Mirage turn into knee slappers when the lost traction. All went down. The riders were pretty lucky as they weren't really hurt bad. Can't say much for the bikes. Myself they scare me to watch. If they let them run I would hope the put some restrictions on speeds until they prove they handle under LSR conditions. Just my thoughts from many years in the timing trailer.
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Kind of depends on just how long the forks are and how much rake. Peoples definitions of what constitutes are "chopper" vary greatly.
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69 inch wheel base
30 deg rake
And goes about 100mph he says it is well built and has done top speed and felt good .But that is not ondirt or salt. I think he is interested in time only
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Just the term "chopper" suggests it has "the bad handling kit." If part of the rake is in offset triple trees, suggest he find another hobby.
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sound like that is what he did.
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30 degrees is about what a late model Sportster has, might be okay.
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Here's a Ninja 250 that ran at Maxton in October of '05. I don't remember for sure -- but think he went in the 100+ range. It was A/G class as I remember. He rides the bike on the street -- can't for the life of me remember his name right now, but he's in another motorcycle group of which I'm a member. Maybe the record book still has him in it. (Edit) Okay, he's Leon Begeman, and he ran 100.307. He's in the M-Riders with me.
It is pretty close to what I'd consider using the word "chopper" to describe.
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There are all sorts of chopper types. Bobbers, etc. Some of the more popular recent styles like the Samurai do not have extended or raked forks and they would be as safe as most anything else. A rule change to ban the unsafe ones would need to be specific about the features that are not desired. Banning "choppers" would be too broad.
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If part of the rake is in offset triple trees
You mean like the Harley-Davidson factory part since 1950?
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Jon That is Leon on the 250 ninja chopper.
This is the conversation we had
post 1
Rx.... it's all good.
You weren't the guy that told Hud I couldn't run my flatty at Maxton because it is a chopper?
Is there a rake and fork length limit?
Bub.... same crap.
Then I asked what it was. How much rake how long are the forks and how fast did he think it would go.
Post 2
69" wheelbase
30" and change from the bottom bearing to axle center
Stock frame but raked and done well.
At 600 feet above sea level..... it does the standing mile a few ticks past a hunnert.
Called, they never saw it.
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>>If part of the rake is in offset triple trees
Nah, like the stuff the Teutels build for TV.
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Several custom builders run bikes at BUB and choppers hold records. Side views of most of them are on Scooter Grubb's books. A lot of them are raked out but none are extended by more than a few inches.
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as you say what constitutes a Chopper I have been a Chop builder for years and a bit of rake makes it slower steering"good on the salt as you dont want it too twitchy"
(http://i287.photobucket.com/albums/ll140/oz110364/P1000655-1.jpg)
I must admit you wouldnt want raked triple clamps or yolks as we call them,Quirky handling to say the least!
just my thoughts Oz
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http://www.rbracing-rsr.com/rakeandtrail.html
These guys have been LSR racing for decades. There is a caculator at the bottom of this link. If you have the time, read the Eat Shit link. Funny stuff. The whole website is the "no sugar coating" of opinions style. This post is okay to delete it it is construed as spam.
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The 30^ rake is between a Dyna and a softail's rake. For that length, how far over is the frame?