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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
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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 07-11-2013, 11:12 AM
  #7546  
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69/33 with the reedy motor at 40* timing
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Old 07-11-2013, 11:34 AM
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Originally Posted by ryanpatrickgore View Post
69/33 with the reedy motor at 40* timing
let me rephrase that....

What gears are you using

I haven't seen anything that small from Kyosho. I may be missing it...
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Old 07-11-2013, 11:44 AM
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Originally Posted by Bob Barry View Post
let me rephrase that....

What gears are you using

I haven't seen anything that small from Kyosho. I may be missing it...
You can run Losi spurs and pads, or Avids.
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Old 07-11-2013, 11:51 AM
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Originally Posted by Cpt.America View Post
You can run Losi spurs and pads, or Avids.
That's what I was looking for. Thanks.
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Old 07-11-2013, 11:52 AM
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I'm just running the kimbrough spurs with ae pads. But I have recently picked up a set of gariodisks and I have 2 days on them so far. No glazing and consistent throughout the pack. More testing required tho.
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Old 07-11-2013, 11:54 AM
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Cpt....did you ever get a gen2? If so looking for a basic setup for 17.5 blinky with gearing.
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Old 07-11-2013, 02:57 PM
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some help plz, pinion x spur / 2.6 = FDR?
for a RB5 SP2
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Old 07-11-2013, 03:20 PM
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Originally Posted by B44USTA View Post
some help plz, pinion x spur / 2.6 = FDR?
for a RB5 SP2
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spur / pinion * internal = FDR

78 / 23 * 2.6 = 8.817
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Old 07-11-2013, 03:57 PM
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if i throw a Durango rear hex on the RB6, and use stock durango wheels, any idea if they will be the correct offset?
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Old 07-11-2013, 04:08 PM
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Originally Posted by Bob Barry View Post
what do you guys do for stock gearing? Assuming you aren't running the Avid setup....
I run AE spurs and AE pads 72/31-32 I currently run Orion R10 with schuurspeed at 30 can timing favorite system so far.
I used to run gen2 setup same gearing and timing also was good
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Old 07-11-2013, 06:11 PM
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Originally Posted by LT FAB View Post
I like the stock slipper with the with the KYOUM572 SP2 WC set up.

This is a replacement Kyosho Slipper Spring Set, and is intended for use with the Kyosho Ultima RB5 SP2 WC and SC-R SP 1/10 scale vehicles. This slipper spring set allows finer slipper adjustments for more traction and consistent slipper operation. This set up is the shit . I tried the avid with the avid top shaft and it only lasted one pack it was loud that's might be just my experience.
Guys any reason not to go the full WC hog? Red pads, WC discs and all?
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Old 07-11-2013, 06:37 PM
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thanks mate

Originally Posted by Bob Barry View Post
close

spur / pinion * internal = FDR

78 / 23 * 2.6 = 8.817
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Old 07-11-2013, 06:40 PM
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Originally Posted by Gitsum View Post
Cpt....did you ever get a gen2? If so looking for a basic setup for 17.5 blinky with gearing.
Apex2? What rotor and stator combo did you order? With a torque stator and 12.5HT rotor, you will gear WAY up from an apex1. I haven't run it in my buggy yet, but I have in my touring car, and how far I had to gear up was ASTONISHING... I still can't believe it.

With the apex1, you would gear your TC for a medium sized average track at 3.75 to 3.85, give or take. With the apex2 (torque/torque), same endbell timing, we are gearing between 3.5 and 3.4!!! Taller than 21.5 guys.

For the buggy, I will probably run 60 timing, 66spur, and 32-33 pinion to start. (in not exactly sure yet)

All of this changes of course if you are running the RPM stator, and/or a different rotor.
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Old 07-11-2013, 06:49 PM
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Originally Posted by gelshocker View Post
Guys any reason not to go the full WC hog? Red pads, WC discs and all?
That's what I run. Dialed
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Old 07-11-2013, 06:51 PM
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Originally Posted by jkirkwood View Post
Those suspension holders allow you to adjust width and/or toe-in. Anti-squat is still adjusted via shims under the hangers. I put them on my car a few weeks ago and cannot fault their fit & finish at all. Here's a bit more information here. If I get time in the next few days I'll scan in the eccentrics chart they provide with the hangers.

Good luck with the new RB6.
Would also like to know what each inset equates out to. If it's like the zx5 ones, I think I'll pick them up for sure. Was wondering if they'd make them for the rb6

Just looked up the zx5 ones on petitrc and I think I got a handle on it, but still not 100% sure

Last edited by Teufel Racing; 07-11-2013 at 07:12 PM.
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