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Championship Racing Performance
Kid, Cadet and Junior 2-cycle Kart racing |
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bob finney
Joined: 06 Feb 2008
Posts: 7
Wed Feb 13, 2008 9:13 pm |
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 Jr Sportsman 2 Cycle Classes
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Why is there a difference in the chassis for HPV Jr. Sportsman and Yahama Jr. sportsman vs. the cadet chassis? WKA is specific in the size of the cadet chassis, but in the other two classes, WKA does not specify the chassis size min or max. (such as wheel base or width). As I read the WKA spec. any chassis, aside from the cadet, fits these requirements. Now this leads me to my other question; is there an advantage to running a longer chassis or wider chassis in these two other classes? Thanks for any input, bob
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bob finney
Joined: 06 Feb 2008
Posts: 7
Thu Feb 14, 2008 5:25 pm |
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Thank you for the reply... I should have been clearer in my question... Many tracks will allow the Jr. Sprotsman class to utilize either the yamaha or the comer engine in competition (with the wka restrictions on the yamaha due to displacement difference), however, I have yet to see a Yamaha on a cadet chassis. I have seen a Comer on the larger chassis, is there a benefit to the larger chassis in this 8-12 yr old class? (Where are you Kevin) thank you bob
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KevinH
Site Admin
Joined: 22 Nov 2007
Posts: 151
Location: Ohio
Thu Feb 14, 2008 7:52 pm |
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I think the intent originally was that a larger/longer chassis was needed for the heavier and higher horsepower engines (Yamaha/HPV). That being said I know the Shockwave Jr Sportsman Chassis is around 4" longer than the Shockwave cadet. They felt a longer chassis was needed for the other classes but later found that the larger karts (full size 32mm) were not able to perform properly at the 250/265 weight so they needed something smaller and did not want to go as short as the cadet for safety reasons. A full size chassis will not flex and perform until you get to around 310 pounds. If you would try to run a Yamaha Jr or HPV Jr Sportsman on a full size chassis you would never get it to work and you would not be competitive at all against the Jr Sportsman chassis. A Comer K80 on a full size chassis would definitely be a disadvantage due to the low horsepower the engine puts out. The only place the Comer K80 has an advantage is when it is ran on the cadet chassis due to it's shorter wheel base which allows it to turn much tighter in the corners.
So even though it may appears it may be a conspiracy, I think that the Cadet was designed to run at around 225-235 that Jr sportsman at 250-260 and the full size from 310-360 for each of the chassis to work properly.
I probably did not answer your question but at least I got to ramble on LOL!!
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bob finney
Joined: 06 Feb 2008
Posts: 7
Fri Feb 15, 2008 2:26 pm |
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Yens did answer my question... Thanks. My angle is this... I want an inexpensive kart to "play" with and learn with my son on the track, not as much to compete with. I want something that he could potentially utilize in the Jr. Sportsman class should we decide to travel to Circleville or anyother track that is a few hours away. I want him to maximize his track time, which may mean running two classes... as many racers do. When the cost of fuel is higher than the race entry fees, (long trips) makes one look at things different. Thanks again. bOb
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KevinH
Site Admin
Joined: 22 Nov 2007
Posts: 151
Location: Ohio
Fri Feb 15, 2008 5:52 pm |
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I am not sure you can use the word kart and inexpensive in the same sentence...  lol
I totally agree with what you are saying though. The kids that are running 2-3 classes in the GLSS typically do better than the ones that are only running 1 class. I would accredit that directley to track time without a doubt. The youngsters that are getting 2-3 times the amount of laps on a track you rarely visit but once or twice a year will surely have the advantage. I personally feel that the number a classes entered in a weekend should be limited to two. JMO and I know I might get bashed for it, but it would keep it a bit more on the level and affordable. But who ever said racing was fair??
Kevin
TEAM CRP
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jdkotara
Joined: 02 Dec 2007
Posts: 40
Location: Ft. Myers Florida
Sat Feb 16, 2008 11:18 pm |
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You talk about competing in two classes I thought you could only had a couple of time to compete in an cadet or jr sportsman and still run kid karts after that you either had to give up kid kart class and move up or just continue to practice only not compete in the upper class ? Any one have more info on this.
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mannydan722
Joined: 26 Nov 2007
Posts: 46
Location: ashland,oh
Sun Feb 17, 2008 3:32 am |
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for instance my son will be 8 this year in april so we have decided to run a 80cc cadet. technically he could run kid karts this year by rule he is still 7 years old and would be considered that age all year even though he will turn 8. once he has run a race at a sanctioned event he can no longer compete at a sanctioned kid kart race. the classes they are talking about are the fact that once your son does turn 8 he can run 80cc cadet, 100cc yamaha or hpv1 thats 3 different classes total that can be run at any man. cup event but the cadet chassis and the yamaha, hpv chassis are different sizes, the cadet is smaller and the yamaha hpv karts are the same full size kart so you could run 3 classes but have to have 2 different chassis and one you'd have to keep changing engines on or have 3 karts which alot of teams have that run the divisional or national wka or ikf curcuits. hope this helps you understand.
Spencer Daniels team CRPracing 80cc Cadet
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cckarting
Joined: 10 Mar 2008
Posts: 1
Mon Mar 10, 2008 3:19 am |
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I have yet to see a Yamaha on a cadet chassis....
First, thanks for starting a forum, Kevin!
We do run a Yamaha on a Cadet chassis. This is becoming more popular than the K-80 class here. We normally had 3 Comers and 20-25 Yamaha's last season. So my son didn't even want to run Cadet and I really liked the Yamaha's better...easier to tune. So at 8 years old, we went with the Cadet and Yamaha. The Cadet chassis, even with 250 pounds, was much easier for him to drive. That equalled much more track time until he was tired, plus gives him many more kids to race. As he builds a bit more upper body strength this season, he'll move up into a larger chassis late this season or next year. The Yamaha weighs a lot more than the Comer, so we didn't have to add the full 15 pounds. The kart still scaled perfectly.
2 of 3 local series allow it. The third allows it in a novice class, but may make it a class all its own.
Tony
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Jeff Goetz
Joined: 23 Oct 2008
Posts: 2
Location: Brooklyn Heights, OH
Thu Oct 23, 2008 12:16 am |
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I moved Lauren into a Yamaha Jr Sportsman because of weight. With no weight on her cadet she was over weight by a good amount. Now that we are running the Jr Sportsman class I have to put a few pounds on the kart to make the 250 pound minimum.
Running this class gave us the opportunity to run the street races at Commercial Point and Clyde. What fun that was.
The only problem with the class is that we had to go all the way out to Fremont to find anyone to race with.
_________________
#7 Lauren Goetz
Yamaha Jr Sportsman
2008 Arrow AX-9 Junior / Position One
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