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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
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 06-08-2013, 05:21 PM   #7171
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so while replacing the front kick up block today, I noticed that I was running a .5 mm spacer. My car was used, and I didn't think to check that... rookie move. Anyway, how will that effect handling compared to no shim?
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Old 06-08-2013, 05:26 PM   #7172
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The shims lower the front roll, its an adjustment akin to taking out washers, but I believe it's more of an adjustment. I run 0.
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Old 06-08-2013, 06:02 PM   #7173
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Quote:
Originally Posted by K_King View Post
The shims lower the front roll, its an adjustment akin to taking out washers, but I believe it's more of an adjustment. I run 0.
cool thanks
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Old 06-08-2013, 06:51 PM   #7174
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Default 13.5 gearing

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Originally Posted by skengines View Post
What gearing are you guys running for 13.5?
At WCRC, I run 72/29 with no boost/timing in the ESC, max timing on my motors end-bell. FDR is 6.45, plenty of hit bottom thru top.
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Old 06-09-2013, 11:20 AM   #7175
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rb6 wins world's warmup race. Will this end the 26 year, 13 attempt WC drought of Kyosho in 2wd 1/10?
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Old 06-09-2013, 11:38 AM   #7176
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I just bought two LMR wings....will update on fitment.
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Old 06-09-2013, 11:40 AM   #7177
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I bought one as well.

I still have the JC and PL wings but wanted to give LMR a try. LiveRC reviewed it and they couldn't damage it with everything they tried....well except when they lit it on fire.
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Old 06-09-2013, 11:45 AM   #7178
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Lmr wings do fit but due to the 2.5mm thickness you will need to sand down the shims between mounts and wing.
Some cut a lexan shim to secure the wing properly.

Very durable compare to others wings.
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Old 06-09-2013, 11:53 AM   #7179
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Thanks for the info!
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Old 06-09-2013, 01:16 PM   #7180
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Quote:
Originally Posted by skengines View Post
How well does the LMR wing fit?

Does it come with a mounting grid for the holes?
No mounting grid or anything. It fits ok but it's kinda low and short. Super durable tho. I have 2 of them I used for a solid 3 months. Back to the jc for me now though.
Yes unfortunately due to the thickness if the lexan shimming will be a challenge I had to get creative to get a tight fit without wobbles.
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Old 06-09-2013, 06:40 PM   #7181
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has anyone determined if the new adjustable insert suspension hangers are "narrow" or "wide"

or

if the insets actually allow you to change toe and width so the hangers can be either "narrow" or "wide"
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Old 06-09-2013, 07:35 PM   #7182
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Quote:
Originally Posted by JiuHaWong View Post
rb6 wins world's warmup race. Will this end the 26 year, 13 attempt WC drought of Kyosho in 2wd 1/10?
What driver was this
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Old 06-09-2013, 08:30 PM   #7183
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Quote:
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What driver was this
Joel Johnson, 1987, I think.
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Old 06-09-2013, 08:46 PM   #7184
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Quote:
Originally Posted by joecool View Post
Not sure if this ok to do, but I have been running my RB6 on high grip carpet in the mid motor configuration. I want to take out some of the rear toe. Is there a way to do this yet? Or do I have to wait for the new adjustable hangers to be released?

I was gonna try using the .5 degree hubs on the opposite sides (putting the right on the left and left on the right) I just don't know how much of a change I'd be making. I tested it out on my table and the shocks are still super smooth and the toe in looks less drastic. Any thoughts?
I run .5s backwards all the time. They make the same amount of difference as running them on the correct side, only the opposite affect
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Old 06-09-2013, 09:12 PM   #7185
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You do Brandon? At brcr? I know traction can be great there.
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