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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
Please read: This is a community-maintained wiki post containing the most important information from this thread. You may edit the Wiki once you have been a member for 90 days and have made 90 posts.
 
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 10-10-2012, 03:32 PM
  #1351  
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is the Avid Triad slipper clutch going to be all that?
it sounds so.
how many of you build multiple tranny's for back ups?
i was thinking iam going to do a couple for sheets(s%!#) and giggles
emsrolling along
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Old 10-10-2012, 03:33 PM
  #1352  
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Originally Posted by t8rtot
there was an amendment page in there, i'm having no issues.

what is the smallest KYO spur i can buy, or what is the recommended gearing for 17.5 non-boosted?

thank you
Kimbrough 69 tooth spur, AE pads and 31 tooth pinion to start. Im running comfortably with the Kevlar Losi 70 tooth spur and 33 tooth pinion, motor doesn't get past 120 degrees ever. And its fast
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Old 10-10-2012, 03:35 PM
  #1353  
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Originally Posted by Eric Summers
is the Avid Triad slipper clutch going to be all that?
it sounds so.
how many of you build multiple tranny's for back ups?
i was thinking iam going to do a couple for sheets(s%!#) and giggles
emsrolling along
I built a triad slipper for my brothers b4 and I can tell you this. It is super simple to get a perfect amount of slip, much less work then setting the stock slipper on his B4.
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Old 10-10-2012, 03:39 PM
  #1354  
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Originally Posted by Eric Summers
is the Avid Triad slipper clutch going to be all that?
it sounds so.
how many of you build multiple tranny's for back ups?
i was thinking iam going to do a couple for sheets(s%!#) and giggles
emsrolling along
I have 3 spare diffs ready to go. One of the benefits to running all Kyosho cars, If I need to swap a diff it's quick and easy.
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Old 10-10-2012, 04:07 PM
  #1355  
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Posted up my setup sheet for those interested.

http://jasondias.com/2012/10/10/rb6-...st-rc-raceway/
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Old 10-10-2012, 04:11 PM
  #1356  
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Thanks Jason. I will try it at SDRC.
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Old 10-10-2012, 04:18 PM
  #1357  
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Originally Posted by jpcopeland1
I built a triad slipper for my brothers b4 and I can tell you this. It is super simple to get a perfect amount of slip, much less work then setting the stock slipper on his B4.
The avid slipper will be the way to go. Was told that the current slipper design is locked 90% of the time and only actually slips on the face of jumps. I have one on my b4.1 and you can definitely tell a difference from the stock dual disk setup.
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Old 10-10-2012, 04:31 PM
  #1358  
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Thankyou you guys,
they said somethn' about 3 weeks for our builds w/ Avid slipper
can't wait.

anyway i got to get this out of my head--------------
Page 18
17 section
18 part is LAW39 (page 40) Steel Sus. Bush (8pcs) i found only four(4) to my kit
now from what i see we only need four(4).
once again i'm double checkn'
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Old 10-10-2012, 04:38 PM
  #1359  
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Oh Jason Dias your car looks like rocket science ---
iam about to cut body out as soon as i quit finding errors in this damn manual
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Old 10-10-2012, 04:55 PM
  #1360  
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Here are pics of my setup. I run futaba RXes, so I looped the antenna over between 2 of the antenna placement holes. Had to mount it on top of the battery as the RS pro that is in there has a relatively short wire and I'm going to be experimenting with batteries and placement anyway... Has CF strap and .5 rear carriers due running outdoors. Will have the japan base setup by friday night!

Kyosho Ultima RB6 & RB6.6 Car Thread-sdc10322.jpg

Kyosho Ultima RB6 & RB6.6 Car Thread-sdc10324.jpg
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Old 10-10-2012, 04:55 PM
  #1361  
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Originally Posted by Eric Summers
Thankyou you guys,
they said somethn' about 3 weeks for our builds w/ Avid slipper
can't wait.

anyway i got to get this out of my head--------------
Page 18
17 section
18 part is LAW39 (page 40) Steel Sus. Bush (8pcs) i found only four(4) to my kit
now from what i see we only need four(4).
once again i'm double checkn'
???

You only need 4 on the buggy.

If you buy a pack you get 8. Two complete sets.

Buying spares is different to what is included in the kit.

I think you need to go to sleep
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Old 10-10-2012, 05:36 PM
  #1362  
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ZZZZZZZzzzzzzzzz............. where's the sleepy face icon?
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Old 10-10-2012, 05:49 PM
  #1363  
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Default my setup

for those of you who want a good clay tight track setup

http://www.petitrc.com/setup/kyosho/...Hobbies201210/
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Old 10-10-2012, 06:35 PM
  #1364  
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Originally Posted by bigwavedave33
and .5 rear carriers due running outdoors.
So do you think that 3.5 toe is necessary for outdoors?
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Old 10-10-2012, 06:48 PM
  #1365  
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Originally Posted by eper
maybe you have the caster inserts in wrong or something i built the links per manual and when the car was finished i put it in a hudy setup station and it was dead nuts
Sorry for the interruption, I can't let this one go

I probably shouldn't ask this: are your front inner ball studs on the outside hole? I have them in the middle. Caster inserts per manual (0 deg). And I did not get the left and right mixed up

When you say it's dead middle on the hudy, I believe you, as it was with my rb5. Set up per manual, never had to touch them until the ball cups wore out. I don't run front toe-out. If all else fails I'll go with what's worked for me: whatever works. Thanks,
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