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Kyosho Ultima RB6 & RB6.6 Car Thread

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Kyosho Ultima RB6 & RB6.6 Car Thread

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Old 12-21-2016, 08:46 AM   -   Wikipost
R/C Tech ForumsThread Wiki: Kyosho Ultima RB6 & RB6.6 Car Thread
Please read: This is a community-maintained wiki post containing the most important information from this thread. You may edit the Wiki once you have been a member for 90 days and have made 90 posts.
 
Last edit by: tobamiester
RB6.6 Kyosho America Product Page: http://www.kyoshoamerica.com/ULTIMA-...T_p_24505.html

RB6.6 Manual http://www.kyosho.com/jpn/support/in...A_RB6_6_IM.pdf

RB6.6 Kyosho Youtube https://www.youtube.com/watch?v=vW_sR667utY

MSRP $639 MAP $399.99

-------------------------------
New RB6.6 parts (compared exploded views, prices and links are Kyosho America):

Chassis:
  1. Main chassis - UM731 - $125.99
  2. Side guards - UM732 - $9.99

Battery Holder:
  1. Battery plate - UM733 - $8.99
  2. Battery foam - UM741 - $7.99

Rear Bulkheads:
  1. MM3 and Laydown - UM740 - $9.99
    • MM3 bulkhead
    • Laydown bulkhead
    • Swaybar Holders

3 Gear Transmission (MM and RM):
  1. Transmission - UM734 - $10.99
    • transmission cases
    • spacers
    • caps
    • plastic FR & RR suspension hangers

  2. Gear Cover - UM735 - $6.99

Laydown Transmission (3 and 4 gear possible):
  1. Transmission - UM736 - $10.99
    • transmission cases
    • spacers
    • caps
    • required extra hardware
    • pastic FR suspension hanger

  2. 40T idler - UM737 - $6.99
  3. Motor plate - UM738 - $18.99
  4. Gear cover - UM739 - $6.99

Body:
  1. Blade body - UMB05 - $27.99

Optional Parts:
  1. Lightweigt Blade body - UMB05LW - $31.99
  2. Aluminum FR suspension hanger - UMW705B - $28.99 (may be able to file UMW705 to fit)
  3. Brass FR suspension hanger - UMW725B - $30.99 (looks more different than UMW725..someone confirm?)

Typical Upgrades for new RB6.6 Buyers

UMW701 Aluminum Steering Plate (RB6)
UMW702 Aluminum Crank Arm (RB6)
UMW704-0 V2 Aluminum Rear Hub Set(0°/RB6)
UMW705B Aluminum Rear Sus. Holder (RF/RB6.6) or brass UMW725B
UMW707 Aluminum Rear Sus. Holder (RR-Mid)

Nice to have:

UMW723 Aluminum Front Sus Block (Type B/10g/RB6/RT6/SC6).


Aftermarket Parts:

Front Wing: https://www.prolineracing.com/perfor...mount-alum-rb6

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Old 11-05-2012, 05:26 AM
  #2356  
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Originally Posted by fastestwon
If you like how the car looks I can share my setup . I won't be going back to rear motor configuration I like the car way more in mid motor .
yes please, and if we can get it on a setup sheet, it'd be even better!
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Old 11-05-2012, 06:00 AM
  #2357  
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Originally Posted by fastestwon
If you like how the car looks I can share my setup . I won't be going back to rear motor configuration I like the car way more in mid motor .

That is the best your car has looked period....
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Old 11-05-2012, 10:53 AM
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that buggy does look really good could you post the setup for all of us.i never drove anything midmotor whats the difference you felt
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Old 11-05-2012, 11:39 AM
  #2359  
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Originally Posted by eper
that buggy does look really good could you post the setup for all of us.i never drove anything midmotor whats the difference you felt
drives like a touring car . likes to be driven harder . for those of you that want it i can email it to you PDF file too large for here to post
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Old 11-05-2012, 11:46 AM
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Originally Posted by fastestwon
drives like a touring car . likes to be driven harder . for those of you that want it i can email it to you PDF file too large for here to post
Do you have any added weight on it? It looked really really good there.... Kyosho have done an awesome job on that chassis flexes where it should!
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Old 11-05-2012, 11:48 AM
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Originally Posted by aloksatoor
Do you have any added weight on it? It looked really really good there.... Kyosho have done an awesome job on that chassis flexes where it should!
on my setup no weight added . i was running a shorty pack as well
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Old 11-05-2012, 03:43 PM
  #2362  
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Originally Posted by jpcopeland1
Isn't it amazing at how well balanced it is out of the box? I have tried a lot of different setups, but always seem to revert back to some form of the Japanese setup with a few changes, like rear springs, and Losi pistons instead of Kyosho 5 hole. I got a set of Kyosho blank shock pistons and want to try 4 hole 1.3. Want to get those Losi pistons out lol....
Do the GHEA pistons 4hole 1.3mm best setup for pistons yet IMO!!!!
I was down at WCRC a week a go. Won stock class and qualed 3rd in mod..
Car is Dialed...
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Old 11-05-2012, 04:17 PM
  #2363  
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Originally Posted by JPKinsella
Do the GHEA pistons 4hole 1.3mm best setup for pistons yet IMO!!!!
I was down at WCRC a week a go. Won stock class and qualed 3rd in mod..
Car is Dialed...
You obviously did not race against the great Dias (stock King of WCRC)

Nice job and that car is dialed at WCRC.
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Old 11-05-2012, 04:28 PM
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Originally Posted by goin2drt
You obviously did not race against the great Dias (stock King of WCRC)

Nice job and that car is dialed at WCRC.
Not sure who Dias is but there was another RB6 running in Mod with me...
I am form Seattle/Tacoma area where Ryan Matesa is the Kyosho King...
Just got new setup from him yesterday...
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Old 11-05-2012, 04:35 PM
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I just now ordered the gheas in 1.3 by 4 holes. How does it change from stock? I am running ptrc 475 and 425 oils F/R with stockers. How low should I go. Shorty f/r pink/golds ~ 1635 gms rtr.
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Old 11-05-2012, 05:48 PM
  #2366  
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Originally Posted by fastestwon
drives like a touring car . likes to be driven harder . for those of you that want it i can email it to you PDF file too large for here to post
Never driven a TC or mid motor, is it less likely to spin out at the back because the weight is in the center? Thanks,
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Old 11-05-2012, 05:56 PM
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Originally Posted by gelshocker
Never driven a TC or mid motor, is it less likely to spin out at the back because the weight is in the center? Thanks,
More likely to spin out in low traction. The advantage is rotation, you can corner at speeds unlikely in a rear motor and carry that momentum. And also mid motors jump like a dream can correct the nose a lot easier mid air than a rear motor with throttle input.
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Old 11-05-2012, 06:02 PM
  #2368  
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Default mid motor setup
my setup here check it out if your interested

http://www.petitrc.com/setup/kyosho/...kaska20121103/
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Old 11-05-2012, 07:00 PM
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Originally Posted by fastestwon
my setup here check it out if your interested

http://www.petitrc.com/setup/kyosho/...kaska20121103/
What are you running for rear wheelbase and front axle height? Thx.
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Old 11-05-2012, 07:36 PM
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Originally Posted by Yeti AS3
What are you running for rear wheelbase and front axle height? Thx.
The front axle height on top .5 mm shim, on the bottom 1mm
wheelbase just the two 2mm shims on the front and back of the wheel hub . neutral wheelbase
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