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Old 15-09-2008
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Smile CAT SX setup discussion

Hey guys - this is a new car and I'm sure it'll be a massively popular one which is new to everyone, so feel free to use this sticky for setup discussion.
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  #2  
Old 15-09-2008
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Are you gonna treat yourself Jimmy ? Must admit im tempted and ive not even raced my B44 as yet !
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Old 20-09-2008
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According the online instruction manual, page 36, I think there's something wrong with first table:

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Old 20-09-2008
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Default Shock diaphrams?

Hi. Just been reading Mr Moss's worksop set up. It says diaphram centres cut out and removed. How,what and why is what I was wondering? Thanks for all the advise. It is invaluable with such a new car. Cant wait to run mine.
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Old 20-09-2008
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oliv : give us a clue what you think is wrong i'm clearly missing something

the shocks have bladders fitted as standard like most tourers and 1/8th rallycross, cut means the top of the bladder has been removed making the shock more tike the associated 1/10th buggy style, its just another tuning option.
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Old 20-09-2008
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Think he might be thinking that it means the minimum teeth is 99 yet it goes down to 80 on the chart.

But if you look oliv, the total minimum 'combination' of spur+pinion is 99 total, 83 spur + 16 pinion = 99total.
And max combination is 80 spur + 28 pinion = 108 total.

I know it has 80 spur and 16 pinion on the chart, but I'm assuming that this combination can't be used.

So therefor it all looks correct to me.
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Old 20-09-2008
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Pretty much spot on. While i have been testing the car all year Ive have tried shocks with full diaphrams and the cut diaphrams. All i do is cut the complete centre out so you are left with the outer ring. You need this so the oil doesnt leak out of the bleed hole at the side. Personally, ive found the shocks with cut diaprams feel better as opposed to the others, they feel more fluid and give less inital pack in my opinion.

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Old 20-09-2008
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Quote:
Originally Posted by barnyard View Post
oliv : give us a clue what you think is wrong i'm clearly missing something
Assuming following data:
Diff pulley: 36T
Pulley just before diff: 20T

For the first cell (pinion 16T, spur gear 83T and 34/22 combination) it would be:
(83/16)*(34/22)*(36/20) = 14.43 instead of 14.37

The two others tables are correct
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Old 20-09-2008
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looks like somebody incorrectly calculated the internal ratio to be 2.77.

if i'm honest i hadn't looked that deeply into it as all the numbers appear sensible at first glance.
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Old 21-09-2008
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3 Questions.....

What pinion size should i be looking at for a kit set-up 33/23/83 using an LRP Sphere TC Speedo, and LRP Vector X11 5.5 with a sintered rotor?

What is the rule of thumb when you change a bonded rotor for a sintered rotor with regard to pinion size?

Is Worksop clased as high or low traction?

Cheers in advance.

Ryan
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Old 21-09-2008
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Will you be using Lipo or NiCad ryan ?

Seriously though Lipo or Nimh ?
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Old 21-09-2008
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3600 Duracel Bunnies going like the clappers

But if i can't find that many, i'll put the Lipo in
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Old 22-09-2008
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You might need to put a 6.5 in ryan if your using Lipo it will be rapid
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Old 22-09-2008
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Especially with my all or nothing thumbs





*Note to self: 2 packs of front wishbones just incase*
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Old 22-09-2008
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Quote:
Originally Posted by Kecky View Post
Especially with my all or nothing thumbs





*Note to self: 2 packs of front wishbones just incase*
Kecky i've heard they are bringing out a maintenance pack for £90 with a load of stuff in it like WISHBONES etc. If you buy the same parts on there own it would cost you more
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Old 24-09-2008
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Due to a change in motor, can anyone help me with the gearing.

I will now be running a Novak Velocity 7.5L Motor, and Trakpower 3600 Lipo cells, with the kit set-up 33/23 & 83 Spur.

The instructions with the motor state you should gear 2 teeth lower than you would use for a 12 or 13 turn brushed motor.

Any help would be much appreciated.

Ryan
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Old 24-09-2008
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Quote:
Originally Posted by Kecky View Post
Due to a change in motor, can anyone help me with the gearing.

I will now be running a Novak Velocity 7.5L Motor, and Trakpower 3600 Lipo cells, with the kit set-up 33/23 & 83 Spur.

The instructions with the motor state you should gear 2 teeth lower than you would use for a 12 or 13 turn brushed motor.

Any help would be much appreciated.

Ryan
I'm guessing here and going from other setups but i'd start on a 21t and go from there ryan. Better to gear low and be safe mate.
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Old 24-09-2008
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Cheers Stegger

The motor info sheet says 2 teeth lower than a 12t or 13t brushed motor and 1 tooth lower than the 7.5R motor.

I'll start off with a 21 and take it from there
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Old 24-09-2008
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I run Speed Passion 5.5 on 21 pinion, so i'd go up at least a couple if it were me.
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Old 24-09-2008
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Quote:
Originally Posted by MattW View Post
I run Speed Passion 5.5 on 21 pinion, so i'd go up at least a couple if it were me.
Cheers matt, we were just airing on the side of caution
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