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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 Forums Thread Wiki: Kyosho Ultima RB6 & RB6.6 Car Thread
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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 01-23-2015, 08:15 AM
  #11566  
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Originally Posted by motorfinger View Post
Panda, You coming to The Clubhouse this weekend?
I'm not sure about this weekend, but I will certainly be getting there.

Mind sharing any information about the place?
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Old 01-23-2015, 08:25 AM
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What do you want to know?
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Old 01-23-2015, 09:25 AM
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A little of the lay of the land would be nice. Like how is the place run, stuff like that.
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Old 01-23-2015, 09:38 AM
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Originally Posted by K_King View Post
I've never had issues with steering on the RB6. Our servo is mounted a lot further than most cars, but I have a 10g aluminum pivot in case I ever needed more.
Oh right on i'm getting alot of push with my rear motor and full size lipo so I've been considering moving to mid motor. Also could someone clear me up on which side the diff adjustment screw should be on (direction of the diff)in the manual it appears they call for the screw to be adjusted from the left side of the car. But that goes against any other car, video, or forum I have seen. Anybody know which way it should sit.
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Old 01-23-2015, 09:48 AM
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It won't matter. most run it on the side opposite the motor plate.
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Old 01-23-2015, 10:25 AM
  #11571  
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Originally Posted by Everybody79x View Post
What about the upgrade 6.5" wing? I'm brand new to this car so excuse the n00b questions.

Yes that wing will work too, is one of my favorite ones.
The only issue you may run into with the UG Vortex, PL Trifecta, LMR (not sure if it's one particular or all of them) is the thickness of those wings can make getting the body clips that hold the wing in place hard to get in and out. I know a couple guys that have started using screws to hold the wing on. Seems to work pretty good from what I have seen. They use the exotek or JC alum wing buttons to do it.
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Old 01-23-2015, 11:30 AM
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Quick question for you guys. I am converting my RB6 to mid-motor and i dont have any of the shims to put above or below the rear pivot. Running at OCRC (indoor, med/high bite clay)17.5 if that matters. Would a .5 above and below the pivot be good?
Thanks!
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Old 01-23-2015, 08:17 PM
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Originally Posted by beedee View Post
Quick question for you guys. I am converting my RB6 to mid-motor and i dont have any of the shims to put above or below the rear pivot. Running at OCRC (indoor, med/high bite clay)17.5 if that matters. Would a .5 above and below the pivot be good?
Thanks!
Yeah that would work it doesn't matter which side you put it on as long as it equals 1mm of shim I believe. And it has different effects on each side
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Old 01-23-2015, 08:18 PM
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Originally Posted by ThePanda View Post
It won't matter. most run it on the side opposite the motor plate.
So that would be the left side looking from the rear of the car. Which is strange to everything I've seen but I suppose I'll switch it back unless anyone on here knows different? ?
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Old 01-25-2015, 12:55 AM
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Any advice on how I can prevent the battery from sliding back onto the motor? I've seen a few folks run this batter setup but have not figured out how they keep the battery off.

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Old 01-25-2015, 12:56 AM
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Double post
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Old 01-25-2015, 06:16 AM
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Originally Posted by RBraswell View Post
Any advice on how I can prevent the battery from sliding back onto the motor? I've seen a few folks run this batter setup but have not figured out how they keep the battery off.

I have been running my battery this way for a few weeks now since I switched to mid motor. My battery sits right up against the motor. Haven't had any issues at all.
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Old 01-25-2015, 06:40 AM
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You could use the battery stop from the rt/sc6
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Old 01-25-2015, 07:06 AM
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Originally Posted by RBraswell View Post
Any advice on how I can prevent the battery from sliding back onto the motor? I've seen a few folks run this batter setup but have not figured out how they keep the battery off.


You are looking for KYOUM707
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Old 01-25-2015, 08:29 AM
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Originally Posted by tef View Post
You are looking for KYOUM707
A shock tower?
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