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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 01-24-2014, 08:58 PM   #9526
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Tebo's a real cool cat, here's some rd 4 action from Reedy 2014. Tebo vs Maifield (starts a min in)....

http://youtu.be/ORSyQr2Zs5k

Edit: cool vs copy, lol iPhone..
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Last edited by Kuya_Kimo; 01-25-2014 at 06:09 AM.
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Old 01-24-2014, 09:25 PM   #9527
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Default DIFF GEAR

ordered this stuff on ebay as a potential solution to silicone oil leaking everywhere out of the diff gear:

http://www.kyoshoamerica.com/DIFFGEA...00_p_6822.html

anyone have any experience with it? like how much do you fill in diff housing? any help would be appreciated. thanks.

glenn
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Old 01-25-2014, 01:19 AM   #9528
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Quote:
Originally Posted by glenng View Post
ordered this stuff on ebay as a potential solution to silicone oil leaking everywhere out of the diff gear:

http://www.kyoshoamerica.com/DIFFGEA...00_p_6822.html

anyone have any experience with it? like how much do you fill in diff housing? any help would be appreciated. thanks.

glenn
Still leaks but it doesn't make a mess like silicone does...put enough in there because it is not as tough in heat as silicone.
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Old 01-25-2014, 07:44 AM   #9529
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Looks like Tebo switched to Cody Kings setup and feels more comfortable with the car.
On another note tried Kevin Kings latest setup. It's crazy good. I added 10 g of weight in the rear and 10g upfront and the car is great out of corners. I do have a little push into the corners so need to fix that. Best setup so far!! Kevin what do u think I should do for better turn in ?
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Old 01-25-2014, 10:15 PM   #9530
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Got some laps in tonight. Feels pretty good. Wiring came out great. Every now and then it wants to loop out so it still needs some work.

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Old 01-26-2014, 05:41 AM   #9531
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Approx. How much weight are y'all adding to the rear when running mid motor on medium traction?
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Old 01-26-2014, 05:57 AM   #9532
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Quote:
Originally Posted by jamesbernatchez View Post
Got some laps in tonight. Feels pretty good. Wiring came out great. Every now and then it wants to loop out so it still needs some work.

Ever since someone mentioned this I can't fail to notice it now:

I think one of your front tires is glued the wrong way?
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Old 01-26-2014, 07:34 AM   #9533
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It is
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Old 01-26-2014, 12:29 PM   #9534
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Quote:
Originally Posted by jamesbernatchez View Post
Got some laps in tonight. Feels pretty good. Wiring came out great. Every now and then it wants to loop out so it still needs some work.

Is that a AE 69 spur? if so you will likely have issues with the slipper once it wears a bit.
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Old 01-26-2014, 01:17 PM   #9535
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Quote:
Originally Posted by MikeXray View Post
Is that a AE 69 spur? if so you will likely have issues with the slipper once it wears a bit.
You can file/mill them down...
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Old 01-26-2014, 02:31 PM   #9536
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I redid tires so were good now.
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Old 01-26-2014, 08:45 PM   #9537
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If anyone has a complete mm parts package for sale lmk.....thanks
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Old 01-26-2014, 08:49 PM   #9538
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anybody selling a rb6 or know someone that is? Cash in hand
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Old 01-27-2014, 02:47 AM   #9539
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Pretty nice huh?

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Old 01-27-2014, 04:53 AM   #9540
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Questions?? Battery position for mid-ship configuration???

Ok so I just installed the new light weight chassis and Aluminum idle gear and I see that in the new chassis there is a lot more room, meaning adjustment holes to position the battery basically where you might want to position it.

Where to start off with battery position running 17.5 been debating the positioning all night....front/rear

This is where I am not sure what to do. Really where do I mount the esc? In front of the battery or in the rear behind the battery between the motor and battery.
On the standard chassis I had the esc mounted between the motor and battery running 17.5 and was not that happy with the cars overall performance.

Feedback appreciated.
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