172LikesKyosho Ultima RB6 & RB6.6 Car Thread
12-21-2016, 08:46 AM - Wikipost
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01-11-2013, 02:38 AM
#4141
Tech Regular
If I were running a mid motor car on a VERY high traction track, like turf or carpet, I would have my car down as light as I could get it, with a shorty. Id be running right at 1499. Weight generates traction, and slows reaction. On carpet, where you tend to dial out traction with roll center changes, ride height, and tires.... you don't need the weight of the heavier pack. Run a heavy pack on loose outdoor dirt tracks to generate more grip, run a light battery on carpet to reduce grip.
Problem with running low weight is keeping the nose down. So you'd mount the shorty up front, then you end up generating too much front end!
Saddles with no weight added seems to be the best setup for me so far. Have added up to 70g under the lipo, but took it out, as the car felt a little sluggish. With a shorty I found the car to be too light and unstable.
01-11-2013, 08:40 AM
#4142
First Kyosho Hop up came out.
UMW701 - Aluminium Steering Plate.
No Pics yet.
UMW701 - Aluminium Steering Plate.
No Pics yet.
01-11-2013, 09:19 AM
#4143
What is the differance between the narrow and wide rear arm holder?
01-11-2013, 09:25 AM
#4144
01-11-2013, 09:27 AM
#4145
Track width, and roll center. Search this thread for more info, it's been discussed quite a bit. Hopefully we can take over post#1 on the thread so we can put all basic info in one place to have an easy place to guide repeat questions to.
In short, a wider track raises roll center, hindering roll, and therefor hinders traction gain on that end of the car. Narrower track has opposite affect.
In short, a wider track raises roll center, hindering roll, and therefor hinders traction gain on that end of the car. Narrower track has opposite affect.
01-11-2013, 10:01 AM
#4146
Guys, a while back I had provided some stats of springs I've done. I got an RB5WC that comes w/ "kit" xgear springs in pink front and red rear. I tested them as there was confusion if the rates were the same. What I found was the pink kit fronts (3.053 lb/in) were signifgantly softer than my non kit xgear pink fronts (3.272 lb/in). Now for the red rears I do not have a non kit xgear to test but I do have a yellow xgear. See the attached document.
01-11-2013, 10:30 AM
#4150
RB5 SP2 WC: The kit FR springs had blue markings on them (mine and a few others I saw locally at least), no markings at all on Rr springs. I did feel that the WC's (blue) fronts, felt stiffer than the X-Gear pink springs I had previously. I use them as an option in between the X-Gear Pink & White fronts...
RB6: X-Gear Springs included in kit, Pink FR, Red RR (both have paint dabs on them)
RB6: X-Gear Springs included in kit, Pink FR, Red RR (both have paint dabs on them)
01-11-2013, 10:49 AM
#4153
Moderator
iTrader: (470)
Join Date: Nov 2009
Location: North Carolina by way of SoCal!
Posts: 4,785
Trader Rating: 470 (100%+)
Brandon,
Your request has been sent....waiting on reply.
Matt
Your request has been sent....waiting on reply.
Matt
01-11-2013, 10:51 AM
#4154
Moderator
iTrader: (470)
Join Date: Nov 2009
Location: North Carolina by way of SoCal!
Posts: 4,785
Trader Rating: 470 (100%+)
Thanks!!!!!!!
Last edited by Posvar; 01-11-2013 at 11:32 AM.