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Old 12-21-2003, 01:43 AM   #10021
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Quote:
Originally posted by Taylor-Racing
More speculating from me, of course - but how about this:

The ultra direct feel you describe may indicate better chassis rigidity which then affects your set-up negatively.
What if you took steps to accomodate the stiffer chassis - would you be further in front overall?

Part of what's going through my mind here is our last practice day.
We ran a light 2mm rear bar and the rear was probably better planted than I've previously seen. We were also running on the silliest small front tyres (52mm) and the roadholding didn't seem to suffer at all.
i would say if you run on rubber tire, a less stiff chassis is preferred but on foam tire, a more rigid chassis is more on what you need/
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Old 12-21-2003, 07:19 AM   #10022
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I just fitted my one way and find that smaller tyres at the front gives the better handeling, difference of 2mm.

Problem is i end up with larger tyres at the front than the rear as the rears wear quicker.

I wanted to fit a different pully on the middle belt to give the same effect but which one do i change? I have 18-27 at the moment.

The K factory sells a 19 teeth but this will have the opposite effect of what I want I can also get a 26 tooth one but this also speeds up the fron wheels.

Am i missing something?

Cheers
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Old 12-21-2003, 07:39 AM   #10023
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Quote:
Originally posted by ziggy12345
I just fitted my one way and find that smaller tyres at the front gives the better handeling, difference of 2mm.

Problem is i end up with larger tyres at the front than the rear as the rears wear quicker.

I wanted to fit a different pully on the middle belt to give the same effect but which one do i change? I have 18-27 at the moment.

The K factory sells a 19 teeth but this will have the opposite effect of what I want I can also get a 26 tooth one but this also speeds up the fron wheels.

Am i missing something?

Cheers
you should have 19/27 instead of 18/27 check your other pulley and see if you have mis install them.

you may change from 19/27 to 19/25 and with kyosho SP belt with length 375mm. you may be able to do it with larger tire split (4mm).

for the 25T pulley, kyosho has a pulley set for VoneRR and you may get all the pulley you want there.
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Old 12-21-2003, 07:42 AM   #10024
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download the overdrive ratio tool here to check on your OD ratio and tire split
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Old 12-21-2003, 08:28 AM   #10025
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Nice little app to see the drive ratio! Whats the teeth on the diff pulleys for the v1rr?

Cheers
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Old 12-21-2003, 08:42 AM   #10026
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Quote:
Originally posted by ziggy12345
Nice little app to see the drive ratio! Whats the teeth on the diff pulleys for the v1rr?

Cheers
The front should be 32 and rear 48
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Old 12-21-2003, 08:51 AM   #10027
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Quote:
Originally posted by ziggy12345
Nice little app to see the drive ratio! Whats the teeth on the diff pulleys for the v1rr?

Cheers
it is not my app. it is Dino's appl.
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Old 12-21-2003, 08:58 AM   #10028
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Ok i counted them. 32 at the front and 48 at the rear. So with 18-27 pulleys installed you get 1-1 internal drive ratio front to rear.

This will allow me to use only a 1mm smaller front tyre

The way I see it is that if your running foam tyres and a front one way you get power on to the rear wheels along the straight, effectively 2 wheel drive then as you turn the inner front wheel is rotating slower than the outer front wheel and so the power is applied to this and helps pull you around the corner.

This sound OK but why would you want overdrive to the front wheels when running rubber tyres? My car handles like a pig with front overdrive on foams!!
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Old 12-21-2003, 09:05 AM   #10029
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Quote:
Originally posted by ziggy12345
Ok i counted them. 32 at the front and 48 at the rear. So with 18-27 pulleys installed you get 1-1 internal drive ratio front to rear.

This will allow me to use only a 1mm smaller front tyre

The way I see it is that if your running foam tyres and a front one way you get power on to the rear wheels along the straight, effectively 2 wheel drive then as you turn the inner front wheel is rotating slower than the outer front wheel and so the power is applied to this and helps pull you around the corner.

This sound OK but why would you want overdrive to the front wheels when running rubber tyres? My car handles like a pig with front overdrive on foams!!
you cannot trim rubber tire size so you better stick with 27T pulley.
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Old 12-21-2003, 09:07 AM   #10030
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I am using foams
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Old 12-21-2003, 09:11 AM   #10031
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Tell Dino that Plley is spelt Pulley!! LOL
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Old 12-21-2003, 09:14 AM   #10032
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Quote:
Originally posted by ziggy12345
Tell Dino that Plley is spelt Pulley!! LOL
you should send him a complaint, you are his potential customer ! hahaha
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Old 12-21-2003, 10:11 AM   #10033
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Do i have to change the middle belt if I go from 19 to 18 tooth pulley? Can i use the Kfactory one K1404 Low Friction Belt

Cheers
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Old 12-21-2003, 10:17 AM   #10034
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Quote:
Originally posted by ziggy12345
Tell Dino that Plley is spelt Pulley!! LOL
Ooooopppppsssss....

thanks.....

Last edited by dino.tw; 12-21-2003 at 10:26 AM.
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Old 12-22-2003, 01:46 AM   #10035
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Default Re: Re: Re: Re: Re: Re: Notice

Quote:
Originally posted by Manticore
i would say if you run on rubber tire, a less stiff chassis is preferred but on foam tire, a more rigid chassis is more on what you need/
Why would you say this?

I'd be thinking a "bendy" chassis would essentially act as part of the suspension and therefore be unpredictable.
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