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Old 12-31-1969, 04:00 PM
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Old 12-31-1969, 04:00 PM
R/C Tech Forums Expert How-Tos and Guides
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Old 08-08-2018 | 04:55 PM
  #7381  
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So what molded wing will fit...HPI?
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Old 08-08-2018 | 05:03 PM
  #7382  
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The wing looks fine, it’s just the side dams used for better scale realism are too large. Simply cut them down or dont use them. It’s that easy.

PF has been making bodies with USGT legal mold lines in them for a while now. I highly doubt he would make one now that didn’t have the ability to be legal right out the package.
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Old 08-08-2018 | 05:48 PM
  #7383  
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Originally Posted by theproffesor


After reviewing the latest ROAR rule book available http://www.roarracing.com/downloads/..._Rule_Book.pdf online, there is no USGT or 4wd GT style class even listed. If you have information to the contrary, could you please provide it to show that it is a ROAR class. And what ROAR does have for VTA was plagiarized almost verbatim from the USVTA rules.

What I know to be the USGT class rules are listed here
U.S. Vintage Trans-Am R/C Racing Series

I was unaware that it wasn’t a roar class. I stand corrected on that.
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Old 08-08-2018 | 06:28 PM
  #7384  
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Piggybacking onto what Bronson said, I haven't been able to find a published ROAR rule book more recent than 5 years old.
http://www.roarracing.com/downloads/..._Rule_Book.pdf

ROAR Racing

Ironically, if you click on the 2nd link I've posted, then scroll down to "Rules Updates", it doesn't work. I've been involved in RC since 1986 and have been racing since 1989. I only joined ROAR within the last year....and I won't be renewing.
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Old 08-08-2018 | 07:10 PM
  #7385  
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Nutdriver I’m not quite at your length, but been playing with RC since the 90’s and racing almost as long. Just joined ROAR earlier this year for one event, first time, probably won’t be renewing unless I hit that event next year.


And I got a GT body the second I got the email, be here Tuesday.

You can bet your ass it’ll get a nice paint job and hit the track within 2 weeks hahaha. I’m gonna race the hell out of that body.
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Old 08-09-2018 | 05:16 AM
  #7386  
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From talking with Eric, the Ford GT wing is a little taller than 10mm so it will need to be trimmed a little lower than the mold line to comply with the class rules. I don't know the exact height yet.

I think the wing rule is silly as well, but it is what it is and I'm sure there is a reason for it.
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Old 08-09-2018 | 06:46 AM
  #7387  
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Originally Posted by R Dodge
From talking with Eric, the Ford GT wing is a little taller than 10mm so it will need to be trimmed a little lower than the mold line to comply with the class rules. I don't know the exact height yet.

I think the wing rule is silly as well, but it is what it is and I'm sure there is a reason for it.
So people don't use unrealistic looking wings.
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Old 08-09-2018 | 06:50 AM
  #7388  
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Originally Posted by nubs
So people don't use unrealistic looking wings.
But it's okay to use a wing from a LTCR or Type S, etc as long as it is cut to 10mm?
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Old 08-09-2018 | 09:16 AM
  #7389  
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Basic setup question - traction rolling over corner/metal plow discs.

My USGT car runs decent on black carpet, but could be improved. However when I clip the corner discs (the large metal plow discs), my car will want to roll over on its' top. Avoiding the discs on this track is difficult at best if you want to turn a good lap time. I'm sure I need to adjust my roll centers, but I was wondering if running a front spool isn't also contributing to the rolling issue.

Any suggestions would be appreciated.

Thanks.
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Old 08-09-2018 | 10:22 AM
  #7390  
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Originally Posted by IndyRC_Racer
Basic setup question - traction rolling over corner/metal plow discs.

My USGT car runs decent on black carpet, but could be improved. However when I clip the corner discs (the large metal plow discs), my car will want to roll over on its' top. Avoiding the discs on this track is difficult at best if you want to turn a good lap time. I'm sure I need to adjust my roll centers, but I was wondering if running a front spool isn't also contributing to the rolling issue.

Any suggestions would be appreciated.

Thanks.
I dont think that a spool alone would make you roll over but I don't like spools at all I would rather have a diff anytime.
Spools sometimes make you push when you don't want them too. I think a diff is more consistant on turn entry but maybe not as fast on turn exit.
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Old 08-09-2018 | 11:30 AM
  #7391  
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Originally Posted by R Dodge
But it's okay to use a wing from a LTCR or Type S, etc as long as it is cut to 10mm?
Yeah I think the rules need to be updated. The spirit of the rules as I understand them is to keep things looking realistic. Unfortunately you have racers who do everything they can to take advantage of the rules and ignore that what they are doing is contrary to the entire point of the class.
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Old 08-09-2018 | 11:52 AM
  #7392  
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Originally Posted by R Dodge
From talking with Eric, the Ford GT wing is a little taller than 10mm so it will need to be trimmed a little lower than the mold line to comply with the class rules. I don't know the exact height yet.

I think the wing rule is silly as well, but it is what it is and I'm sure there is a reason for it.
Originally Posted by R Dodge
But it's okay to use a wing from a LTCR or Type S, etc as long as it is cut to 10mm?
The reason for the 10mm rule when we made the rules was to prevent people from taking a wing off a sedan and just throwing it on a USGT body and racing around with a big gnarly looking lightweight wing. Once a sedan wing is cut down to 10mm it does not look like a typical sedan wing. When we came up with the 10mm rule we used the Tamiya Lexan racing wings as the max size. They have wings that look like they could be used on a typical sedan but once cut down to 10mm they do not look like one as much. Also, the 10mm rule is easy to check as most ride height gauges max out at 10mm and you can use the end of your ride height gauge as a point of reference when laid on the wing.
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Old 08-09-2018 | 12:28 PM
  #7393  
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Originally Posted by Lone Drifter
I dont think that a spool alone would make you roll over but I don't like spools at all I would rather have a diff anytime.
Spools sometimes make you push when you don't want them too. I think a diff is more consistant on turn entry but maybe not as fast on turn exit.
its not roll center or spool.
your spring rate is too high. and possibly you need to adjust your dampening to compensate for your soon to be reduced spring rate.

best case -- try a change at the rear of the car ... this seems to help the most on the AMTX platform when it traction rolls on dots
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Old 08-09-2018 | 12:40 PM
  #7394  
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Originally Posted by nubs
Yeah I think the rules need to be updated. The spirit of the rules as I understand them is to keep things looking realistic. Unfortunately you have racers who do everything they can to take advantage of the rules and ignore that what they are doing is contrary to the entire point of the class.
This is where I have mentioned, not the one color paint jobs, but the one coat with no decals cars out there.
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Old 08-09-2018 | 01:11 PM
  #7395  
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Originally Posted by Kevin K
The reason for the 10mm rule when we made the rules was to prevent people from taking a wing off a sedan and just throwing it on a USGT body and racing around with a big gnarly looking lightweight wing. Once a sedan wing is cut down to 10mm it does not look like a typical sedan wing. When we came up with the 10mm rule we used the Tamiya Lexan racing wings as the max size. They have wings that look like they could be used on a typical sedan but once cut down to 10mm they do not look like one as much. Also, the 10mm rule is easy to check as most ride height gauges max out at 10mm and you can use the end of your ride height gauge as a point of reference when laid on the wing.
This is correct. Also, if you want to have a big wing, you can run the heavy molded wing like an HPI, that looks like a real wing. If you want a light wing, you are limited to the 10mm size.

And remember, there is no restriction on height off the body.......

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