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Kyosho Ultima RB6 & RB6.6 Car Thread

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R/C Tech ForumsThread 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

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

Chassis:

Main chassis - UM731 - $125.99
Side guards - UM732 - $9.99

Battery Holder:

Battery plate - UM733 - $8.99
Battery foam - UM741 - $7.99

Rear Bulkheads:

MM3 and Laydown - UM740 - $9.99
- MM3 bulkhead
- Laydown bulkhead
- Swaybar Holders

3 Gear Transmission (MM and RM):

Transmission - UM734 - $10.99
- transmission cases
- spacers
- caps
- plastic FR & RR suspension hangers
Gear Cover - UM735 - $6.99

Laydown Transmission (3 and 4 gear possible):

Transmission - UM736 - $10.99
- transmission cases
- spacers
- caps
- required extra hardware
- pastic FR suspension hanger
40T idler - UM737 - $6.99
Motor plate - UM738 - $18.99
Gear cover - UM739 - $6.99

Body:

Blade body - UMB05 - $27.99

Optional Parts:

Lightweigt Blade body - UMB05LW - $31.99
Aluminum FR suspension hanger - UMW705B - $28.99 (may be able to file UMW705 to fit)
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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12-18-2012, 04:59 PM

#3481

ChadB.

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Can anyone tell me what Cody Turner's current indoor setup is. Thanks!

Last edited by ChadB.; 12-19-2012 at 09:19 AM.

12-18-2012, 09:23 PM

#3482

B00t13g

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To anyone running avid 4x1.3 pistons. What oil/ springs are you running?

12-18-2012, 10:58 PM

#3483

OnRDPassion

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Quote:

Originally Posted by B00t13g

To anyone running avid 4x1.3 pistons. What oil/ springs are you running?

I tried these out with Losi 27.5 wt with gold springs in the rear and they worked pretty well at my local track. I however prefer the 2 1.6 x 2 1.1 avid pistons with that same oil / spring combination.

12-18-2012, 11:00 PM

#3484

B00t13g

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Quote:

Originally Posted by OnRDPassion

27.5 all around on both? I assume pink front gold rear? Any big features?

12-19-2012, 05:20 AM

#3485

kwiksi

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Another goodie from Exotek.

http://www.exotekracing.com/rb6-rear-camber-plate-rm/

12-19-2012, 05:47 AM

#3486

x7tristan

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Location: Vienna, Va

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i put my rb6 on setup stands and it looks like out of the box the rear toe is -3degrees, can anyone else confirm this?

And the only way to adjust the rear toe is with the optional aluminum rear hubs (no suspension holder inserts like the fs2 sp)?

12-19-2012, 06:57 AM

#3487

K_King

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Quote:

Originally Posted by x7tristan

Well, you could technically adjust it by using the RF and RF2 pivot blocks. I dont know what running a front RF2 and rear RF would leave you with though. We adjust the hubs, but the most I've run is .5

12-19-2012, 07:09 AM

#3488

eper

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if you run the different rf blocks to adjust toe you will get excess outdrive wear and the car will be unpredictable on corner entry and exit due to the angle change where the bone and the outdrive meet. best bet is to use the hubs. IMHO

12-19-2012, 10:33 AM

#3489

aloksatoor

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Quote:

Originally Posted by kwiksi

Another goodie from Exotek.

http://www.exotekracing.com/rb6-rear-camber-plate-rm/

looks very cool!! Gonna place a order from exotek for a few parts!

12-19-2012, 10:36 AM

#3490

MrHistory

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Can someone recommend a pinion gear size. I built the car box stock with stock slipper gear and will run 17.5 class on a medium size indoor clay track.

12-19-2012, 10:46 AM

#3491

Cpt.America

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Quote:

Originally Posted by MrHistory

Can someone recommend a pinion gear size. I built the car box stock with stock slipper gear and will run 17.5 class on a medium size indoor clay track.

What motor?
How much end bell timing?
Blinky class?

12-19-2012, 11:13 AM

#3492

OnRDPassion

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Quote:

Originally Posted by B00t13g

27.5 all around on both? I assume pink front gold rear? Any big features?

Sorry about that I should have been more clear on that. I am using the 27.5 in the rear with gold springs and in the front I am using 5 hole with losi 35 wt and pink springs. Overall that setup has seemed to be very balanced for me on the current high speed setup my track is running right now.

12-19-2012, 11:43 AM

#3493

MrHistory

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we have a 17.5 open class so i will start with blinky but have the option for boost.

i will be using the orion pro esc and 17.5 motor combo. no motor timing mod.

thanks

12-19-2012, 12:28 PM

#3494

Mxer59

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Looking for a gearing for 13.5 Orion VST paired with Orion R10 Esc I run AE spurs.
On my 17.5 I ran 72/31

12-19-2012, 12:35 PM

#3495

CanyonCarverR1

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Quote:

Originally Posted by MrHistory

we have a 17.5 open class so i will start with blinky but have the option for boost.

i will be using the orion pro esc and 17.5 motor combo. no motor timing mod.

thanks

To get proper gearing for 17.5 on a medium size indoor clay track, I installed a Kimbrow brand 69T spur for the Associated B4(must also use Assoc. slipper pads), and around 32T - 34T pinion.