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Old 05-09-2008, 11:34 PM   #1
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Default NOVAK 4.5

Can everyone please share the rollout they use for a 4.5 novak. And take a look at our track here I have attached a photo and make a suggestions on what rollout I should use on our track with rubber tires and I am using a TRF415 Msxx.
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Old 05-10-2008, 01:22 AM   #2
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Can everyone please share the rollout they use for a 4.5 novak. And take a look at our track here I have attached a photo and make a suggestions on what rollout I should use on our track with rubber tires and I am using a TRF415 Msxx.
I run mine at 8.5 with the 12.3mm rotor and have had no problems with motor temps or horse power.
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Old 05-10-2008, 06:34 AM   #3
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I run mine at 8.5 with the 12.3mm rotor and have had no problems with motor temps or horse power.
Are you running 5 or 6 cell that would help because here in the uk we run 5 cell and for a track like that I would run 7.5
HTH
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Old 05-10-2008, 07:18 AM   #4
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We are running 6 cell batteries
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Old 05-10-2008, 08:31 AM   #5
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Are you running 5 or 6 cell that would help because here in the uk we run 5 cell and for a track like that I would run 7.5
HTH
Mark
This is for 6 cell and lipo applications but for 5 cell I run the 13mm rotor and a 3.5 motor geared at 8.1 I have never used a 4.5 in a 5 cell application. I will ask a couple of locals that run 5 cell and see what they are gearing at.

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We are running 6 cell batteries
Please see above postings. I hope it helps you.
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Old 05-11-2008, 05:12 AM   #6
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Quote:
Originally Posted by 16skyline View Post
Can everyone please share the rollout they use for a 4.5 novak. And take a look at our track here I have attached a photo and make a suggestions on what rollout I should use on our track with rubber tires and I am using a TRF415 Msxx.
I have been running my 4.5 Novak the past few meetings at the model park.
Most of our track designs you should be able to run 20mm to 22mm rollouts.
I am currently using 22mm rollout for the track we are running at the moment.
I have been using 7.4v lipo or 6 cell Nmhi packs.
Are you running trhe sinterd rotor or the old bonded rotor

Cheers
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Old 05-11-2008, 07:25 AM   #7
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I have been running my 4.5 Novak the past few meetings at the model park.
Most of our track designs you should be able to run 20mm to 22mm rollouts.
I am currently using 22mm rollout for the track we are running at the moment.
I have been using 7.4v lipo or 6 cell Nmhi packs.
Are you running trhe sinterd rotor or the old bonded rotor

Cheers
Hey Rocket thanks for that, I went over to the track today, and had it running about 22.32 I think. The car isn't steering when you have the power on (though the middle bit) any suggestions to correct this.

Cheers Scott
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Old 05-12-2008, 03:21 AM   #8
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No probs Scott, i was out there last Friday also trying to get the handling sorted through the middle section of the track, very ticky getting it through there fast with a mod car.

There could be several reasons why you can't steer through there under power. I would look at a little less droop on the rear of the car for a start, also playing with the roll centres front and rear should help getting more on power steering.
I would need to know what settings you do have on the car to get more idea what you have to start with, also what type or tyres you are running.

Check out this site, it should help explain some of the settings you need to look at: http://www.actionrc.com.au/rc_handbook/Section_1.htm

If you need some help come and see me on Sunday

Cheers
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Old 05-12-2008, 06:02 AM   #9
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Hey Rocket,

I was using take off 27 the other day I think, should I use sorex 32/36?

With the droop I am running 4 on the front and 3 on the rear this is measured with a droop gauge at the end of the arms, don't know if this is correct.

As for roll centres I have heard a lot of talk about this but have know idea really how to get this right.

Ride height is 6mm at front and 6.5 at rear I am using white springs (hard) front and rear front shocks are pretty straight and rear are leaning in only have one hole left at rear. I have a yellow sway bar on front (med) and blue on the back(hard).

Hope this helps a little.

Scott
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Old 05-13-2008, 06:09 AM   #10
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Most of that sounds ok, i am not familar with the tamiya spring rates though. Ride heights and droop sound ok. I run droop around 5 front and 4 rear.

I would look at trying some sorex 32 or 36 or the Team Powers tyres in 36 compound front and rear, they seem to work very well on our track, this may help solve some of your problems.
If this does not help then we need to look at some of the other settings like roll centres etc.

Also how old are the take off tyres you are using, if they have seen a lot of use, they may not have enough grip for the high speed mod car

cheers
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Old 05-13-2008, 06:22 AM   #11
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OK I will try the 36 and 32 sorex should I cahnge the sway bars?

Thanks
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Old 05-14-2008, 03:46 AM   #12
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Just try the tyres first and see what the result is with them.
Try not to change more than 1 thing at a time, that way you can see if each change makes any difference either way.
If you change too many things at once, it is hard to know what change made it worse or better.
The sway bars i have been running are same front and rear, im sure they are a medium type.

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Old 05-14-2008, 05:03 AM   #13
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Thanks for the info cya sunday.

Scott
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Old 05-14-2008, 04:13 PM   #14
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I expect some TQ info on Sunday night Good luck bro!!
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Old 05-15-2008, 02:47 AM   #15
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No probs Scott, sounds like you are making a come back into Mod class mate.
Starting to get some numbers back into the class, will be good to get the class back up and running strong again
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