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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 07-01-2013, 04:55 PM   #7456
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Source? The captain
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Old 07-02-2013, 12:34 AM   #7457
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Hi All,

FYI- The 7075 MMR and MMR2 hangers came in under the radar;

http://www.exotekracing.com/


Thanks!
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Old 07-02-2013, 12:48 AM   #7458
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Hi All,

FYI- The 7075 MMR and MMR2 hangers came in under the radar;

http://www.exotekracing.com/


Thanks!
Mike, any chance of making blocks with adjustable toe in?

Also thanks for the great customer service on the bell crank issue
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Old 07-02-2013, 06:02 AM   #7459
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Old 07-02-2013, 08:11 AM   #7460
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Hi All,

FYI- The 7075 MMR and MMR2 hangers came in under the radar;

http://www.exotekracing.com/


Thanks!
Sweet, I have a feeling mid motor narrow is going to be good.
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Old 07-02-2013, 04:04 PM   #7461
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Sweet, I have a feeling mid motor narrow is going to be good.
I didnt think you could go mm narrow?!
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Old 07-02-2013, 07:16 PM   #7462
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I didnt think you could go mm narrow?!
You can with the new Exo parts.
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Old 07-02-2013, 09:36 PM   #7463
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You can with the new Exo parts.
Will have to pickup a pair then...
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Old 07-02-2013, 11:42 PM   #7464
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Sweet, I have a feeling mid motor narrow is going to be good.
FYI.... It's Really good!
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Old 07-03-2013, 07:28 AM   #7465
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The new Kyosho rear suspension hangers (UMW705+UMW706 for rear motor) with the eccentrics allow for a slightly narrower inner position than UMW511+UMW512 gives. The hangers also allow for a slightly wider inner position than the UMW514+UMW515 hangers. The eccentrics included with the hangers allow you to run a plethora of positions between the extremes.

I have not built a mid motor car using the new hangers for mid motor (UMW705+UMW707) but I assume the adjustment possibilities would be the same.

Also Arn of Petitrc has updated the editable setup sheet to allow entry of the eccentrics used in the setup.

http://www.petitrc.com/setup/kyosho/...upSheet1.3.pdf
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Old 07-03-2013, 08:53 AM   #7466
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I love this car but I find that there are so dang many adjustment possibilities it is mind boggling. That is one reason I still like the b4 platform.. It's simple and it works well. But the k-car will always be my favorite lol
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Old 07-03-2013, 09:14 AM   #7467
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There are other cars out there with more adjustments and worse handling durango comes to mind :P. I just find almost any setup works well on the rb6 though just takes a bit of adjusting to do . Like with the first run bone stock mid motor 17.5 I was just 1 second off my mod RM rb6. A few more setup days and would have been as fast . Crazy good this platform is!!
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Old 07-03-2013, 11:42 AM   #7468
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Agreed! Very responsive to changes as well. That makes setting up and tuning more fun too. This is the first car i have owned that I can say is truly "dialed in" I'm pretty close to Brandon's and matesas setup. Both are very similar. Both fast as f*#$
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Old 07-03-2013, 12:08 PM   #7469
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Originally Posted by ryanpatrickgore View Post
Agreed! Very responsive to changes as well. That makes setting up and tuning more fun too. This is the first car i have owned that I can say is truly "dialed in" I'm pretty close to Brandon's and matesas setup. Both are very similar. Both fast as f*#$
Its funny because some things I expected bigger changes from, last week I changed from 30/0 to 25/0, same hotlap, and car felt almost the same, a tad more initial, but far less than expected. I moved the front upper shock position, and that made a difference.
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Old 07-03-2013, 12:32 PM   #7470
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Default MM Narrow

For those of you running MM, I tried the new Exotek narrow hangers last night. It made a difference in overall traction. Car felt much better with them. Didn't really notice any downside to them either.
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