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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 12-21-2015, 04:05 PM   #12856
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It is not as wide as some of the larger wings. I will take a picture tonight.
Actually after looking at it, it appears to be nearly the same size as the stock RB6 wing. Granted, there are quite a few over-sized wings you can also buy. The two small drilled holes also line up with the exotek wing mount.
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Kyosho Ultima RB6 & RB6.6 Car Thread-20151221_180007.jpg  
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Old 12-21-2015, 04:54 PM   #12857
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Actually after looking at it, it appears to be nearly the same size as the stock RB6 wing. Granted, there are quite a few over-sized wings you can also buy. The two small drilled holes also line up with the exotek wing mount.
Nice, thanks for the pic. I will definitely be buying one of those tonight. It's my first 2wd buggy, so I'll definitely be on the lid a little bit.

Any tire suggestions for an outdoor loamy clay track?
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Old 12-21-2015, 04:56 PM   #12858
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Nice, thanks for the pic. I will definitely be buying one of those tonight. It's my first 2wd buggy, so I'll definitely be on the lid a little bit.

Any tire suggestions for an outdoor loamy clay track?
Depends how loose it is, but Pro-line blockades or hole shots are a good start for outdoors if the surface is loose/loamy.
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Old 12-21-2015, 05:32 PM   #12859
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Originally Posted by RokleM View Post
Actually after looking at it, it appears to be nearly the same size as the stock RB6 wing. Granted, there are quite a few over-sized wings you can also buy. The two small drilled holes also line up with the exotek wing mount.
I like it! What's the width? 6 inches? 6 1/2?
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Old 12-21-2015, 05:40 PM   #12860
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I like it! What's the width? 6 inches? 6 1/2?
6.5 wide, 2.75 deep, 1.25 tall roughly
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Old 12-21-2015, 06:21 PM   #12861
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6.5 wide, 2.75 deep, 1.25 tall roughly
Thanks man!! Going to have to order one up.
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Old 12-21-2015, 10:35 PM   #12862
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Originally Posted by RokleM View Post
Actually after looking at it, it appears to be nearly the same size as the stock RB6 wing. Granted, there are quite a few over-sized wings you can also buy. The two small drilled holes also line up with the exotek wing mount.
Sworks wing? If so I'm running the same. Clip it down how you like it, mount it up and forget about dealing with your wing ever again.
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Old 12-22-2015, 06:57 AM   #12863
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Ive recently started running the xray wings on my RB6, I cant seem to break these things!! They appear to be a bit bigger than the stock kyosho wings or the losi wings I was running but I like them
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Old 12-22-2015, 07:21 AM   #12864
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So still being new at the RB6, I'm fighting the rear traction in 17.5 stock. Is one of the reasons for the sideways battery mod more rear weight for traction?
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Old 12-22-2015, 07:25 AM   #12865
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Originally Posted by RokleM View Post
So still being new at the RB6, I'm fighting the rear traction in 17.5 stock. Is one of the reasons for the sideways battery mod more rear weight for traction?
Yes, that is one of the reasons, but I also feel it makes the car more stable. Do you have the aluminum rear hangers? What settings? I had 15 grams attached to the rear bulkhead under the wing mounts with my stock car as it felt a little loose.

Also what rear springs and also shock setup?
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Old 12-22-2015, 07:51 AM   #12866
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Yes, that is one of the reasons, but I also feel it makes the car more stable. Do you have the aluminum rear hangers? What settings? I had 15 grams attached to the rear bulkhead under the wing mounts with my stock car as it felt a little loose.

Also what rear springs and also shock setup?
Yeah, not sure I want to hack up the plastic yet.

Still working on the setup. Kyosho is a great manufacture, but have to say their setup sheets leave something to be desired and are a bit difficult to read. I'm trying to interpret the pill setup and make sure I've got it correct.

1.6x2 450 pink front
1.6x2 450 gold rear, second hole from inside top, inside arm
metal suspension holders, metal 0 degree hubs
battery placement is as far back as it goes on the chassis
A front/rear pills
forward/outside hub location
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Old 12-22-2015, 08:35 AM   #12867
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Quote:
Originally Posted by RokleM View Post
Yeah, not sure I want to hack up the plastic yet.

Still working on the setup. Kyosho is a great manufacture, but have to say their setup sheets leave something to be desired and are a bit difficult to read. I'm trying to interpret the pill setup and make sure I've got it correct.

1.6x2 450 pink front
1.6x2 450 gold rear, second hole from inside top, inside arm
metal suspension holders, metal 0 degree hubs
battery placement is as far back as it goes on the chassis
A front/rear pills
forward/outside hub location
If you want I can make a set up sheet for mine, but it include the sideways battery. Although I did not change anything else when I switched to the sideways battery, atleast setup wise on the car.

As for shock setup I know im at:
2x1.6 with 32.5 TLR oil with a pink spring up front
2x1.7 with 27.5 TLR oil with gold spring in the rear.

The back seems a little soft so im going to try 30 weight in the rear on my next outing.

As for the aluminum hangers im running C-in C-in and have left it there.

I will try and find my setup sheet from before I made the sideways battery tonight. What surface do you run on? I have both hard packed soil as well as med bite clay
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Old 12-22-2015, 09:34 AM   #12868
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So still being new at the RB6, I'm fighting the rear traction in 17.5 stock. Is one of the reasons for the sideways battery mod more rear weight for traction?
Is your battery all the way back under the waterfall almost against the motor?
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Old 12-22-2015, 01:48 PM   #12869
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Originally Posted by RobsRacin View Post
As for the aluminum hangers im running C-in C-in and have left it there.

I will try and find my setup sheet from before I made the sideways battery tonight. What surface do you run on? I have both hard packed soil as well as med bite clay
A/A C-in/C-in appear to both be 3. Surface is actually where Tebo was a couple of weeks back, Speed RC. It's indoors, moist, hard packed.

Quote:
Originally Posted by oPAULo View Post
Is your battery all the way back under the waterfall almost against the motor?
Battery is right at the edge of the waterfall, the last spot it can be before cutting
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Old 12-22-2015, 01:58 PM   #12870
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Originally Posted by RokleM View Post
A/A C-in/C-in appear to both be 3. Surface is actually where Tebo was a couple of weeks back, Speed RC. It's indoors, moist, hard packed.


Battery is right at the edge of the waterfall, the last spot it can be before cutting
why C-in/C-in? 3.0 deg of toe
Sorry still learning the Buggy pills.

and A/A is 3.0 deg of toe.

and B-out/B-out is 3.0 deg of toe

and C-out / C-out is 3.0 deg of toe

and B-in / B-in is 3 deg of toe

and D-in / D-in is 3 deg of toe

Why so many 3.0 deg settings?

Thank you M
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