Yokomo MR4TC-BD

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Old 01-29-2006, 04:15 PM
  #4441  
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Yokomo is the most underrated car in RC and possibly the fastest TC on the market in the right hands.
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Old 01-29-2006, 04:31 PM
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Originally Posted by v0rtex
Hard answer is that shaft can be better for stock, belt for mod. To make things more confusing, this year the stock class at the australian nationals was won with a BD..
All that tells ya is that you don't always have to be a lemming. Go with what suits your particular driving style and you will always have the best car for you
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Old 01-29-2006, 04:41 PM
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Originally Posted by ChadCapece
Turtle-what was the format for the enduro race? Tires, batteries, drivers, ect....
for a complete set of rules click here. http://www.rctech.net/forum/showthread.php?t=90565

while my team didn't win the enduro, i had the hot hand for the raffle drawing afterwards, each team member got a raffle ticket, we found one on the floor, and another was given to us by a person that left, i held all seven tickets, all seven were winners, then jaybee joking, said, hey ritchie hold my ticket, yep, ticket called for the grand prize, RTR X-RAY M-18. and jaybee wouldn't even share.
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Old 01-29-2006, 07:54 PM
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Thanks for that Ritchie I just had Kevin order me up the blue graphite chassis conversion for it I promise to let you wheel though
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Old 01-29-2006, 07:58 PM
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smojoe-
That carpet chassis is on the way tomorrow
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Old 01-29-2006, 07:59 PM
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cool, thank you!
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Old 01-30-2006, 01:03 AM
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I just finished my second 2 day race meeting with the BD and I've got what may be a fairly expensive problem.

The outboard lug on the chassis that the servo is bolted to has been worn through over half it's thickness due to chassis roll allowing that side of the car to scrape the track surface. The mounting screw head is ground down to the point where it actually passes through the hole drilled in the chassis(have replaced 2 now). Anyone else having this happen, racing on asphalt?

If only the area under the servo hadn't been machined out so extensively, I could just tape it down, YR4 styles

Other than that, car was a bit "overly responsive" but was definately fast enough, certainly more aggressive than any other Yokomo I've owned previously.
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Old 01-30-2006, 01:25 AM
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Originally Posted by Simon K
I just finished my second 2 day race meeting with the BD and I've got what may be a fairly expensive problem.

The outboard lug on the chassis that the servo is bolted to has been worn through over half it's thickness due to chassis roll allowing that side of the car to scrape the track surface. The mounting screw head is ground down to the point where it actually passes through the hole drilled in the chassis(have replaced 2 now). Anyone else having this happen, racing on asphalt?

If only the area under the servo hadn't been machined out so extensively, I could just tape it down, YR4 styles

Other than that, car was a bit "overly responsive" but was definately fast enough, certainly more aggressive than any other Yokomo I've owned previously.
You can cut the servo mount off and glue the servo down, then you don't have the bit sticking out. Someone posted how to do it with pictures a few pages back.

I run on asphalt though and have no problems with it.
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Old 01-30-2006, 01:40 AM
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Hey guys i just wanna say how happy i am with my yokomo bd.
I love the car my setup is awsome its really just relying on fine tuning now to get the best out of the car.Im waiting on the steel hardend universels and a new bottom chassis the my bd will be complete.
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Old 01-30-2006, 07:28 AM
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Hi,

finally finished my drawings on the new chassis.
It will be 14mm narrower with the batteries moved a bit more to the centerline (1mm, more isn't possible).

And because I have the drawing for the 6-cell chassis I made some possible designs for the 4-cell class in Japan. They aren't finished but you can see how much narrower you cuould buil a chassis with the servo turned by 90 degree.

Cheers
Chris
Attached Thumbnails Yokomo MR4TC-BD-chassis_bd12.jpg   Yokomo MR4TC-BD-chassis_bd12_4cell_1.jpg   Yokomo MR4TC-BD-chassis_bd12_4cell_2.jpg   Yokomo MR4TC-BD-chassis_bd12_4cell_3.jpg   Yokomo MR4TC-BD-chassis_bd12_4cell_4.jpg  

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Old 01-30-2006, 08:25 AM
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Arrow castor

in my limited research, i have not found what standard castor options this car has. can someone list them, and associate a p/n with each (deg, std or graphite material)?

much appreciated.

- lenny chambers -
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Old 01-30-2006, 08:31 AM
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Yokomo only has 4deg castor block(c-hub) ,SD-4134(composite), SD-4134G(graphite).
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Old 01-30-2006, 08:40 AM
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wow. ok. i guess if we are limited to one angle of castor, 4* is a good one.

oh, thank you for the quick reply.
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Old 01-30-2006, 08:43 AM
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Hi,

caveman is right. The stock ones are 4 degree.
But there are some other c-hubs from one of the older Yokomos which fit aswell:
ZS-4133 3 degree
ZS-4134 4 degree
ZS-4135 5 degree
ZS-4137 7 degree

Cheers
Chris
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Old 01-30-2006, 09:39 AM
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Thanks speedy-932, I forgot those C-hubs from MR4TC will fit also, oh!!!!!
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