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Old 05-09-2006, 04:30 PM   #5131
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Originally Posted by pops
Should roll more...
I stand corrected, raising the roll center, the car rolls less... and lowering the roll center, the car will roll more....
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Old 05-09-2006, 09:52 PM   #5132
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you guys have me confused as all get out, when my car is loose, and i put spacers under the blocks and it has more traction, is this because the car is rolling over less? with a spool i use no spacers in the rear, and with a one way or diff the spacers seem to work better, any opinions on this.

also i was just about to order a sd-300fr, should i get the sd-300ffw and 300frw instead. along with the sd-300rf
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Old 05-10-2006, 12:22 AM   #5133
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I`m going down the Pub to drown my fellow racer`s confusing going round in cicrcle`s idea`s
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Old 05-10-2006, 03:38 AM   #5134
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Turtlemaster : as i said, lower RC doesn't always mean more grip. IF you're going over the limit of your tyres you'll loose grip. Besides when you say your car's loose, you don't say how or when, it makes a hell of a difference if it's off power, on power, mid corner etc... Also if you're only putting/removing spacers under the blocks you're also altering camber change. You need to also change the amount of spacers under the top link to alter only roll centre...
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Old 05-10-2006, 05:28 AM   #5135
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Roll center changes can make a huge difference to the way a car handles. If you can understand roll center changes you will be a much more complete driver. Everyone who dosn't already know should take the time to learn about roll centers.

http://users.pandora.be/elvo/

Chapter 2.3 is about roll centers.
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Old 05-10-2006, 08:01 AM   #5136
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Quote:
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thx for the link
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Old 05-10-2006, 04:22 PM   #5137
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just some back from my club racing on carpet without additive .
was running the rear mount on the front to give it inboard toe out.
i was using the standard wishbones not the sdw ones.
after using the vernier calipier to measure the mounts i ran 1mm washer under the front and non under the rear to make the mounts level.
the car is lot more stable than sdw arms and seemed to have more traction all round. it turned in nicely was good mid corner and exited nicely.
i was the only car to get into the 9 second laps had 5 laps in one race.
for anyone that has a bd its defently worth trying. only downfall is i may have to dremel a bit down on the mount where the belt hits when vibrating. only just touches tho so cant see it wearing belts out.
just thought let people know to help out.
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Old 05-10-2006, 05:11 PM   #5138
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Quote:
Originally Posted by makytc4
just some back from my club racing on carpet without additive .
was running the rear mount on the front to give it inboard toe out.
i was using the standard wishbones not the sdw ones.
after using the vernier calipier to measure the mounts i ran 1mm washer under the front and non under the rear to make the mounts level.
the car is lot more stable than sdw arms and seemed to have more traction all round. it turned in nicely was good mid corner and exited nicely.
i was the only car to get into the 9 second laps had 5 laps in one race.
for anyone that has a bd its defently worth trying. only downfall is i may have to dremel a bit down on the mount where the belt hits when vibrating. only just touches tho so cant see it wearing belts out.
just thought let people know to help out.
Was that on foam or rubber?
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Old 05-10-2006, 05:14 PM   #5139
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sorry mate yeah was on rubber
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Old 05-11-2006, 12:04 AM   #5140
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Which club in the UK to drivers like Grainger and the CML/Yokomo team race at? Which clubs have the most competitive racing most often?
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Old 05-11-2006, 07:26 AM   #5141
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Old 05-11-2006, 08:09 AM   #5142
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Quote:
Originally Posted by TRF415boy
Turtlemaster : as i said, lower RC doesn't always mean more grip. IF you're going over the limit of your tyres you'll loose grip. Besides when you say your car's loose, you don't say how or when, it makes a hell of a difference if it's off power, on power, mid corner etc... Also if you're only putting/removing spacers under the blocks you're also altering camber change. You need to also change the amount of spacers under the top link to alter only roll centre...
wow, my bad, won't ask again.
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Old 05-13-2006, 05:46 AM   #5143
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Can anyone pls let me know where to buy a BD chassis from uregently. Everywhere i look is out of stock,
Precisionrc, Speedtech, Stormer, Tower, all out.
Pls

TA
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Old 05-13-2006, 08:52 AM   #5144
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Quote:
Originally Posted by Bluey_74
Can anyone pls let me know where to buy a BD chassis from uregently. Everywhere i look is out of stock,
Precisionrc, Speedtech, Stormer, Tower, all out.
Pls

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Yokomo USA and there is a sale on parts.
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Old 05-13-2006, 09:21 AM   #5145
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Just a few Yokomo/BD questions.

Other then Billy Easton who in the US is sponsored (full or 50%) running the BD?

How many different pivot blocks are there total for the car, what brand springs fit the shocks?

Just looking for some info. I'm thinking of buying one and have only owned Tamiya, Losi, AE, Xray, ect.
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