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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 09-06-2016, 03:18 PM   #13666
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Muahahahaaaaa
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Old 09-06-2016, 03:21 PM   #13667
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The new RF arm hanger IS the old RF arm hanger with a notch milled it it. They didn't even bother to re-anodize it after they took the old ones and milled them....
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Old 09-06-2016, 03:58 PM   #13668
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You don't see the shiny silver once it is installed in the car anyway.
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Old 09-06-2016, 04:08 PM   #13669
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Quote:
Originally Posted by Kraig View Post
You don't see the shiny silver once it is installed in the car anyway.
Oh it doesn't bother me. Just pointing it out. A little filing on the old one and your good to go.

This new 6.6 is the kiddo's and I'm not allowed to crack the seal without him. Guess I'll just work on my old 6.0 hoopty.
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Old 09-07-2016, 12:00 AM   #13670
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Quote:
Originally Posted by teeforb View Post
Did you lose any grip? How does it perform compared to stock arms?
No performance change was noted to the negative. I used these parts to shave weight in a very competitive stock buggy class in my area.
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Old 09-08-2016, 01:23 AM   #13671
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Quote:
Originally Posted by Kraig View Post
You don't see the shiny silver once it is installed in the car anyway.
He just wants to show off I have the same kit and I don't bothering posting it what for. ������������
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Old 09-08-2016, 03:45 AM   #13672
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Quote:
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He just wants to show off I have the same kit and I don't bothering posting it what for. ������������
You are 100% correct sir! This is my first ever new kit and I'm VERY excited!
To my son and I, this hobby is everything.
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Old 09-09-2016, 10:59 AM   #13673
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Originally Posted by oPAULo View Post
You are 100% correct sir! This is my first ever new kit and I'm VERY excited!
To my son and I, this hobby is everything.
this is my first rb6.6 kit and I was wondering what is a good alternative for some steel bushings that are a direct fit.

Last edited by Smithracer11; 09-09-2016 at 07:01 PM.
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Old 09-09-2016, 01:12 PM   #13674
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Are they doing an rt6.6?
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Old 09-09-2016, 06:45 PM   #13675
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Quote:
Originally Posted by Smithracer11 View Post
this is my first rb6.6 kit and I was wondering what is a good alternative to replace the plastic shock bushings with metal?
Metal on metal, most likely aluminum on aluminum will cause wear. You may want to look at the exotek parts. I don't have personal experience with them but maybe someone else does and can chime in.
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Old 09-10-2016, 09:54 AM   #13676
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Originally Posted by motobigalow View Post
Does anyone know if someone makes a precut chassis protector for the 6.6 chassis, I'm never happy with my end results cutting one myself
My GF works at UpgradeRC, the company that manufactures the chassis skins for Schelle, and she is fitting the original skins on her 6.6. The way they made the chassis wider most likely will not work with a wider skin. It probably will not stick to the contours since it changes angles twice in such a small area. I think they are going to test it, but she thinks the skins will remain unchanged.
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Old 09-10-2016, 09:43 PM   #13677
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How do you determine the antisquat degree to number/size spacer under the rear arm hangers/blocks?

For example 1mm spacer under the RR block and 0.5mm spacer under RF block equals what antisquat degree?
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Old 09-11-2016, 10:42 AM   #13678
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I'm sure this has been asked but I couldn't find it anywhere.

Do I have to run a laydown in my RB6 to use the 6.6 body or will it work with my stand up 3-gear?
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Old 09-11-2016, 08:33 PM   #13679
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Quote:
Originally Posted by ericschlaifer View Post
My GF works at UpgradeRC, the company that manufactures the chassis skins for Schelle, and she is fitting the original skins on her 6.6. The way they made the chassis wider most likely will not work with a wider skin. It probably will not stick to the contours since it changes angles twice in such a small area. I think they are going to test it, but she thinks the skins will remain unchanged.
I am not sure I understand what you mean. I have both cars, and comparing side by side they are very similar in shape. The new RB6.6 chassis is simply wider, with a similar angle of chamfer at the edges to the older chassis. I'm not sure I can get a proper angle in the pictures, without disassembling my cars. but hope these help.
Attached Thumbnails
Kyosho Ultima RB6 & RB6.6 Car Thread-img_1583-1-.jpg   Kyosho Ultima RB6 & RB6.6 Car Thread-img_1594.jpg   Kyosho Ultima RB6 & RB6.6 Car Thread-img_1598-1-.jpg  
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Old 09-11-2016, 08:54 PM   #13680
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Anyone want to suggest a carbon fiber battery strap for the laydown config? The Mckune is a bit long. Pictures if you can Thanks!
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