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2024 IRRA® rules update


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#1 IRRA Retro Racing

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Posted 02 January 2024 - 01:49 PM

Here are the latest rules. Updates are highlighted.

 

Attached File  2024.General Rules.pdf   127.8KB   433 downloads

 

Attached File  2024 Motor Rules.pdf   115.88KB   342 downloads

 

Attached File  2024.Can-Am Rules.pdf   226.47KB   486 downloads

 

Attached File  2024.F1 Rules.pdf   179.15KB   289 downloads

 

Attached File  2024.Stock Car Rules.pdf   182.31KB   403 downloads

 

Attached File  2024.GTC Rules.pdf   215.27KB   289 downloads

 

Attached File  2024.Can-Am Plus Rules.pdf   233.12KB   141 downloads


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#2 blue&orange

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Posted 02 January 2024 - 02:55 PM

To be clear, all the updated classes state the interior must be mounted to the body, so this eliminates attaching the interior to the chassis, i.e. the front axle?


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Chris Matthy

#3 Noose

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Posted 02 January 2024 - 03:04 PM

Correct.


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Joe "Noose" Neumeister
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#4 Chubby

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Posted 02 January 2024 - 06:26 PM

If the tires are changed in between heats, will the race be held until its teched? In other forms of racing they will tech the car after the next track call to speed up the process.

Thanks.


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#5 Noose

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Posted 02 January 2024 - 07:12 PM

Must be teched before racing again.


Joe "Noose" Neumeister
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#6 Chubby

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Posted 02 January 2024 - 07:32 PM

So will the race be held?
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#7 Noose

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Posted 02 January 2024 - 08:29 PM

No.


Joe "Noose" Neumeister
Sometimes known as a serial despoiler of the clear purity of virgin Lexan bodies. Lexan is my canvas!
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#8 Matt Bruce

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Posted 06 January 2024 - 05:06 PM

My two cents, on Stock Car...

 

Checking the hood and truck deck is fine, but the roof is the most important spot to check.



#9 Racer36

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Posted 06 January 2024 - 09:26 PM

Sounds like someone is volunteering to make a fixture to test roof thickness...
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#10 Matt Bruce

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Posted 06 January 2024 - 10:33 PM

Is that all we need? Good idea, Dennis. No problem.

 

I'll make an absolutely perfect tool to check roof thickness, side thickness, and every thickness they wanna check. Next race is Port Jeff for Stock Car in Retro East and I will donate it to the IRRA as long as they use it.


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#11 Danny Zona

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Posted 07 January 2024 - 09:01 AM

I wonder how many racers will change their tires when a track rubbers up and the conditions change.

Especially at the Premier events.
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#12 Don Weaver

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Posted 07 January 2024 - 09:22 AM

A roof thickness measuring tool is probably going to be a one-off tool. How many racers will be able to afford it just to measure the Stock Car roof thickness?

 

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#13 Racer36

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Posted 07 January 2024 - 09:50 AM

The intent is that the tool would be used at Retro East events and Premier events. Racers would be able to check their stuff with the equipment prior to tech, as is the case with other measurements currently.
 
Each racer does not need to have one.
Dennis Dominey
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#14 DOCinCanton

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Posted 07 January 2024 - 09:52 AM

I agree with Matt concerning the roof thickness is the most important, however, since we are attaching the interior to the body, we would have to remove the interior in order to measure the roof thickness. Seems impractical to me.


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#15 Eddie Fleming

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Posted 07 January 2024 - 10:05 AM

Checking the roof with an interior in the body is tricky at best without some kind of access hole. Not to say it can't be done.

 

I have seen Stock Car bodies that were like picking up Jello, but they raced. I would be in favor of a feel rule. If it does not feel right, it does not race. But who is going to enforce that rule? It is difficult to kick out a car when you have a very small number of racers. On the other hand, running that crap makes it more likely that the number of racers will decrease. 


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#16 DE38

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Posted 07 January 2024 - 10:07 AM

Will tape be allowed to fix the thickness of the roof?


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#17 Dominator

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Posted 07 January 2024 - 10:23 AM

If a tool is required for checking the roof thickness it would only take a minor modification of a pair of these.
 

1.jpeg


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#18 Matt Bruce

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Posted 07 January 2024 - 10:34 AM

Impractical? Check them after the race, hows that for practical? One off tool, yes. But everyone has an index finger and two eyes. Push on the roof, there certainly is a huge difference between a .015 body and one thinner. And who are we kidding, we all can see cars with concave roofs with our own eyes. My guess is, just knowing the body can and will be checked accurately will stop 99% of this nonsense. And it can be used for every class if need be. If you write a rule, and specify a thickness, which is carried out three decimal places, then common sense is you need a gauge to check it. The other problem is molding bodies from different materials, but lets start with the thickness check first. Bottom line, any racer should be able to buy and compete with the same (Off the wall of the raceway lol) body the winner uses.
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#19 Eddie Fleming

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Posted 07 January 2024 - 11:07 AM

Will tape be allowed to fix the thickness of the roof?

 

That (tape) is just encouraging the crap games.


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#20 John Luongo

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Posted 07 January 2024 - 11:33 AM

I remember racing Lexan NASCAR bodies of rather thin construction. One racer had to add an extra roof decal or two to pass tech. Running NASCAR hardbodies, one guy used ultra thin clear Lexan for windows. much lighter than the plastic windows supplied in the model kit. Racing hardbodies in Rochester, NH,, had a 158 gram weight minimum. Most guys couldnt get closer than about 170 grams. One intrepid racer sanded down the inside of the plastic NASCAR body and was the only racer to make the minimum weight limit - after he added lead to the chassis.

 

Best regards.


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#21 Jay Guard

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Posted 07 January 2024 - 12:15 PM

I agree with Matt concerning the roof thickness is the most important, however, since we are attaching the interior to the body, we would have to remove the interior in order to measure the roof thickness. Seems impractical to me.

 

Doc brings up a really good point so here's a pretty easy solution. Make it a requirement to cut out the drivers window.  Then the tech inspector would have access to the roof to measure it with a pinch-type sheet metal thickness gauge. Yeah, not exactly great for aerodynamics but is that really a problem if everyone has to do it? Yeah, maybe it would slow the cars down by a tenth of a second, oh the horrors!


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#22 Noose

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Posted 07 January 2024 - 01:28 PM

Measure the windows. Measuring the roof with thick stuff resembling paint does nothing. 


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Joe "Noose" Neumeister
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"Team Evil Bucks" Racer - 2016 Caribbean Retro Overall Champion
The only thing bad about Retro is admitting that you remember doing it originally.


#23 Don Weaver

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Posted 07 January 2024 - 02:28 PM

Each racer does not need to have one.

 

So each racer would paint, trim, and mount their bodies and then throw them away if the tech guy discovered right before the race that the roof was too thin? Think I would rather know the body would fail inspection before doing all that and hoping all was well at tech-in.

 

Don


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#24 DE38

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Posted 07 January 2024 - 02:40 PM

That (taping) is just encouraging the crap games.

 

So each racer would paint, trim and mount their bodies and then throw them away if the tech guy discovered right before the race that the roof was too thin? Think I would rather know the body would fail inspection before doing all that and hoping all was well at tech-in..

 

That's what I'm thinking, I build my own chassis and cut, trim, and mount my own bodies. I make sure everything will tech and to be bounced because of a couple thou thickness with no fix in place is not good. I normally have to travel 2-1/2 hours to a race and I also don't bring multiple cars and bodies with me for a given class. Some 2-inch wide clear packing tape should do the trick.


Charlie Shmerler


#25 Matt Bruce

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Posted 07 January 2024 - 02:49 PM

Roof measurement is everything, and I have already spoken to Rick at R-Geo to produce this cheap, basic tool that every slot racer can purchase and have in their box to check any thickness on any body in any position. So no one-off tools, no cutting out windows, it will be like having a tire width gauge, everyone can own one. You can measure a body before you even buy it if you want. Coming soon from R-Geo.


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