Associated RC12R5

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Old 01-01-2009, 10:31 AM
  #901  
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other people dont even know what the dave point is..
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Old 01-01-2009, 12:17 PM
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LOL... i jumped the gun yes .. But you defined roll center and then said it wasnt roll center. Thats why you got the coment.
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Old 01-01-2009, 01:06 PM
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Originally Posted by tim fry View Post
Hi all

Has anyone had an issue with their bodyshell rubbing the top corner of the motor pod where the side shock mounts? We mainly have to use the Parma Zytek or Hotbodies Reynard in the UK and even with the shell mounted level with the top of the chassis the corner of the motor pod touches at certain angles.
I tried to heat up a spoon to make a bubble in the shell but it went very wrong.

Any ideas please?

Thanks
We pretty much just let it hit. Allowing the body to fit loose on the mounts will keep it from doing anything too bad. By loose I mean run the body clips a little above the body so that it can move up and down as needed.

John, Ackerman isn't that hard. Haven't drawn it out in years because we use it as a tuning aid in 12th. That's what the spacers on the servo mount are for.
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Old 01-01-2009, 01:14 PM
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New to 1/12 im setting up my car to run 13.5 what is a good pinion to
start with ?? it currently has a 96T spur on the car. Cant wait to throw this thing down on the track.
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Old 01-01-2009, 04:45 PM
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I am going to buy my 12R5 today and would like to know which servo fits in directly and any recommendations you all have. I am currently looking at a futaba S9650 mini servo
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Old 01-01-2009, 04:54 PM
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9650 fits perfect.
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Old 01-01-2009, 05:27 PM
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Originally Posted by IL_AudiRacer View Post
New to 1/12 im setting up my car to run 13.5 what is a good pinion to
start with ?? it currently has a 96T spur on the car. Cant wait to throw this thing down on the track.
Welcome to 1/12! You might want to get rid of the 96T spur and get 80T and 84T PRS spurs for starters. Depending on which brand of 13.5, track size and other factors, start with a conservative rollout in the low 60's (mm), temp the motor and gear from there.
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Old 01-01-2009, 05:29 PM
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Originally Posted by IL_AudiRacer View Post
New to 1/12 im setting up my car to run 13.5 what is a good pinion to
start with ?? it currently has a 96T spur on the car. Cant wait to throw this thing down on the track.
To be honest many of us are running 88 at the largest for the spur with a 13.5 With anything bigger it can get pretty hard to fit a big enough pinion on the car with smallish tires.
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Old 01-01-2009, 05:44 PM
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Fred-B you have mail
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Old 01-01-2009, 07:22 PM
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Originally Posted by Fred_B View Post
To be honest many of us are running 88 at the largest for the spur with a 13.5 With anything bigger it can get pretty hard to fit a big enough pinion on the car with smallish tires.
Thanks fred whats a good pinion for an 88T spur just looking to turn some laps and get used to the car fairly large track.
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Old 01-01-2009, 07:29 PM
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Originally Posted by IL_AudiRacer View Post
Thanks fred whats a good pinion for an 88T spur just looking to turn some laps and get used to the car fairly large track.
Marcus, do yourself a big favor and get an 84T spur, then you can use a range of pinions of 42 to 46 to maintain a 68-70mm rollout. An 88 will limit you and cause you to replace tires more frequently as they get smaller in diameter.

I'm using the 84 in my R5 with a 13.5 at the rollout mentioned and it works well. Made the A Main today at Jtec.

If you have new tires that are 46mm in diameter and want to use an 88 try a 41T pinion to get a 68mm rollout or a 43T pinion for a 70mm rollout.
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Old 01-01-2009, 10:25 PM
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Man sounds like I missed out on a good day to be at jtec. Owell see you sunday. Made some more small changes tryin to fine tune and get used to drivin again..lol
Have any of you tried different weight oil in the side damp shock? Other than 20wt? Sean, mike anyone?
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Old 01-01-2009, 11:15 PM
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guys, where can i get an articles about ROLL OUT...
thx.
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Old 01-01-2009, 11:48 PM
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hello, I have a 12r5 issue, my rear pod seems to be anything but flat.
first of I have new upper and lower pod plates, new right and left axel plates,and a new football.
the problem is that when I put the motor plates on the bottom pod plate,my bottom pod plate becomes warpred, I hold down the 3 points that attach to the car,and the back of the pod lifts up,so i take the pod apart and all the parts are flat.but when i put them together, the pod seems warped, any body else have or heard of this problem?
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Old 01-02-2009, 04:52 AM
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Hi,

are your motor plates the same height? Perhaps they tweak the pod plates...

Cheers
Chris
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