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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 08-28-2013, 11:58 AM   #7996
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Really? It sure looks like you are using the kyosho slipper plates to me. You can tell because they are larger than the outer circumfrence of the pads. That means that the slipper plate will actually be sitting up against the plastic of the gear, instead of the slipper disk. It will work for a week or two, but as soon as slipper pad starts to thin out, you will run into trouble.

The slipper plate needs to sit on the slipper pad, 100%.
Theyre AE pads for sure. You can see them pads in the 1st pic. Im running 17.5 and AE is the only company (that ive seen) that has a 69t spur. I run my slipper locked anyway. Id like to use the kimbrough spur but not sure what id need to make it work in my Rb6
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Old 08-28-2013, 12:01 PM   #7997
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Theyre AE pads for sure. You can see them pads in the 1st pic. Im running 17.5 and AE is the only company (that ive seen) that has a 69t spur. I run my slipper locked anyway. Id like to use the kimbrough spur but not sure what id need to make it work in my Rb6
Avid has a 69 if their slipper works on the RB6.
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Old 08-28-2013, 12:02 PM   #7998
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Originally Posted by carbons2k View Post
Theyre AE pads for sure. You can see them pads in the 1st pic. Im running 17.5 and AE is the only company (that ive seen) that has a 69t spur. I run my slipper locked anyway. Id like to use the kimbrough spur but not sure what id need to make it work in my Rb6
I have a shiny new Avid 69 tooth spur in my box. OH and a 66 just for good measure
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Old 08-28-2013, 12:05 PM   #7999
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Im not running the triad slipper tho. I still run the slipper locked down
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Old 08-28-2013, 12:08 PM   #8000
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Well if you're looking for more spur gear choices it's a pretty affordable "upgrade"
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Old 08-28-2013, 12:44 PM   #8001
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My only real slipper issue occurred with a 13.5. I didn't want it completely locked down but wanted to use an AE or Kimbrough 72 and the slipper plates were riding on the plastic retaining ridge instead of the pad itself, as described above by Brandon. My solution to that was to glue two pads together on each side to get the mating surface beyond the plastic ridge. Apparently AE has some extra thick 4x4 pads that will work, too.

Still, if you're switching between mod/17.5/13.5 all the time and having to go to different spurs that Kyosho doesn't offer, it's worth it to get the Avid system IMO... I'll even use a 72 in mod now that I have the Triad when I want to move the motor farther back (mid).
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Old 08-28-2013, 12:51 PM   #8002
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Hey guys...this is the V2 hubs manual I was telling you about:



and the table is on the right...what do you think? Does it refer to traction?
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Old 08-28-2013, 12:55 PM   #8003
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The chart on the right just represents how each bearing size differs in weight and durability.
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Old 08-28-2013, 02:06 PM   #8004
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Theyre AE pads for sure. You can see them pads in the 1st pic. I
Not "pads", ... I said "plates"... the metal disks that squeeze the pads. I understand you are running the AE pads, but what we are telling you is that you can't run the AE pads, with the kyosho plates (or disks)
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Old 08-28-2013, 02:56 PM   #8005
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Quote:
Originally Posted by BryanJ View Post
My only real slipper issue occurred with a 13.5. I didn't want it completely locked down but wanted to use an AE or Kimbrough 72 and the slipper plates were riding on the plastic retaining ridge instead of the pad itself, as described above by Brandon. My solution to that was to glue two pads together on each side to get the mating surface beyond the plastic ridge. Apparently AE has some extra thick 4x4 pads that will work, too.

Still, if you're switching between mod/17.5/13.5 all the time and having to go to different spurs that Kyosho doesn't offer, it's worth it to get the Avid system IMO... I'll even use a 72 in mod now that I have the Triad when I want to move the motor farther back (mid).
I did the exact same thing.. I glued AE pads together. But ultimately, the AE pads are flat out junk compared to either the Kyosho slipper pads, or the avid slipper pads. Night-and-Day difference.
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Old 08-28-2013, 03:07 PM   #8006
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If you aren't using your slipper why don't you just shed the rotating mass and go to a slipper eliminator and use kimbrough or Robinson spur gears?
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Old 08-28-2013, 07:54 PM   #8007
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If you aren't using your slipper why don't you just shed the rotating mass and go to a slipper eliminator and use kimbrough or Robinson spur gears?

That's what I'd like to do but not sure what parts I'd need.
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Old 08-28-2013, 08:01 PM   #8008
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Here is the eliminator, the one for the b4.1 works on the stock rb6 shaft.
http://www.speedysracingparts.com/As...eliminator.htm
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Old 08-28-2013, 11:21 PM   #8009
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buggy felt great tonight @ oc/rc second place in stock buggy in it's first race:

http://www.liverc.com/view_result_fi...y_(A_Main).xml
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Old 08-28-2013, 11:25 PM   #8010
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Great job! Which Speed Passion are you running?
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