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Old 10-19-2007, 08:06 AM   #1606
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Default handling qualities question

hi, i just got a evolva 05 (thanks Scott), and tried it out last weekend.

i was wondering if others had noticed this (please note, this is not a 'which is better' question!)

my throttle control is suspect, and my driving style is to give as much throttle coming out of a turn as i can and rely on the car's behavior to indicate a limit.

it seems that the evolva has a gradual, but distinct understeer out of slower corners when overpowered with too much throttle, while in the same situation, the rearend of my 960 would let go abruptly.

is this a common characteristic, or have i accidently setup the car to make this happen?(if so i would like to duplicate it in my 960!)

please this is not a 'which is better' question.
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Old 10-19-2007, 08:30 AM   #1607
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Post your setup, I'm sure someone can help.
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Old 10-20-2007, 10:08 AM   #1608
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Quote:
Originally Posted by avs View Post
it seems that the evolva has a gradual, but distinct understeer out of slower corners when overpowered with too much throttle, while in the same situation, the rearend of my 960 would let go abruptly.

is this a common characteristic, or have i accidently setup the car to make this happen?(if so i would like to duplicate it in my 960!)

please this is not a 'which is better' question.
here is my setup, std '05 WC parts with:

tires 35/35 67/74

front
shocks Hposition, white springs, kit oil
0 shims under front hangers
scrub 1.0
caster/wb 6 short
camber 0.5
toe 0.5
width 252
downstop 0
ride height 6

rear
shocks 1 position, white springs, kit oil
scrub 1.0
upper arm 5
camber 3.5
toe 2.5
width 262
downstop 9
ride height 7

i hadn't noticed how much rake and little caster i had, i will try using more caster and less rake.
any suggestions?
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Old 10-20-2007, 05:06 PM   #1609
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Although your setting data are not complete, I'll give my first advise.
Before I do that I would like to say, you will find out that the Evolva has a very wide "sweet spot" and the chassis is very forgiving compared to the S brand that you mention. It is easier to feel when the car traction in general nears the "edge". Anyway, that is my personal experience, other drivers might have different experiences, I advise you to ask them as well.
Front: I would not go as far creating a caster of 6 degrees. You really want your caster angle as close to 11 as possible, but definitely not at the expenses of everything. Try 11 or 9 and not over 7.5 degrees. A toe out angle (instead of 0.5) of 1 degree per side works very well.
Rear: Camber of 3.5 degrees seems to me like a lot. In general I set it to 2 to 2.5 degrees, and make an adjustment, depending of the tyre wear on a specific track of the first set of tyres on a training day.
The kit shock oil is okay however quite thin. In The Netherlands we usually go a little higher in viscosity, but not a lot (500-600) front/rear. Sometimes I use 800 at the rear to make the car more stable, in particular for the finals.
Of course this is only my opinion and personal experience, and as I said, track conditions here in Europe may differ form US, and you might want to set your car to suit your own driving style. Some people have a very "relaxed" driving style, making the car roll a lot, and some drivers tend to push their car a lot during a race, so basically it depents what you want.
Questions: antiroll bar positions? Uprights 0 or 2 degrees? Which body do you use? Many other settings to consider, and for every track situation and weather conditions you might want to create the ideal setup / geometry for that specific day.
Hope it helps, have fun at the track!
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Old 10-20-2007, 07:40 PM   #1610
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Nice informative post. Josh Cyrul also posted some good info on the Kyosho America site under the tech info.

Had a sedan race to go to today so I wasn't able to work on my Evolva much the past couple days, it's killing me not having that thing ready to hit the track, lol.
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Old 10-21-2007, 09:58 PM   #1611
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On a lot of the setup sheets people are checking off "N" for shock pistons. Does that just mean they are running the stock pistons?
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Old 10-21-2007, 10:56 PM   #1612
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Quote:
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On a lot of the setup sheets people are checking off "N" for shock pistons. Does that just mean they are running the stock pistons?
Yes, thats right. I guess "N" just means normal.
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Old 10-21-2007, 11:22 PM   #1613
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Alright, thanks. I'm used to reading 1/10 EP sedan setup sheets, looking at this sheet, I need to learn a lot.
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Old 10-22-2007, 03:57 PM   #1614
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Were any of the molded suspension parts changed between the '05 and the '05 WC kits?
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Old 10-22-2007, 04:12 PM   #1615
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nope, all moulded parts are the same, but I can assure you that the option parts that come with the WC edition are WOW ... they make it easier to make the adjustments and/or really add to the overall performance of the car as well ... on top of that I recomment the adjustable rear sway bar ... that helped me out a few times, either to improve high speed cornering or solving uneven tyre wear at certain tracks ... and it gives more play area for balancing the car.
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Old 10-22-2007, 05:06 PM   #1616
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Cool, I'm just wondering what parts to put on mine. I got an '05, then got the WC parts to update it, as well as the '07 conversion set.

How many different front upper arm mounts are there available?
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Old 10-22-2007, 05:55 PM   #1617
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Quote:
Originally Posted by Randy Caster View Post
Cool, I'm just wondering what parts to put on mine. I got an '05, then got the WC parts to update it, as well as the '07 conversion set.

How many different front upper arm mounts are there available?
You need nothing else. Great car
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Old 10-22-2007, 10:37 PM   #1618
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Quote:
Originally Posted by Richard E View Post
Although your setting data are not complete, I'll give my first advise....
Hope it helps, have fun at the track!

Richard,
thanks for the observation, i will try those changes on my tuning session.
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Old 10-22-2007, 10:55 PM   #1619
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Quote:
Originally Posted by gashuffer View Post
You need nothing else. Great car
lol, I already have the parts I want, I just have a lot of different pieces for adjustment, and dont really know which to use while building. I'm trying to use JJ's setup from the Nats, I think the easiest thing to do might be to try and meet up with him this week and have him explain things to me
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Old 10-23-2007, 10:09 AM   #1620
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That's an easy one again. If you have to choose parts, go from 2007 + WC --> 2005. Guess you know what I mean. Indeed you do not need any other parts. You own a great car! Enjoy assembling it! And go-go-go hit the track!
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