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Kyosho Ultima RB6 & RB6.6 Car Thread

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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 04-23-2013, 09:31 PM
  #6331  
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Originally Posted by B00t13g
Where did you find the heat shrink. What size?
I picked in up at LHS. But I found at mcmaster.com and http://www.cabletiesandmore.com/heat...FQVV4AodjiEAGg

1/16" dia
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Old 04-23-2013, 10:06 PM
  #6332  
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Mohawk car ready for battle!!! (had a few extra antenna tube caps)
Attached Thumbnails Kyosho Ultima RB6 & RB6.6 Car Thread-mohawk.jpg  
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Old 04-23-2013, 10:13 PM
  #6333  
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^ The all new aerodynamic discussion of rc. Looks rad.
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Old 04-23-2013, 11:59 PM
  #6334  
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Better straight line stability?
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Old 04-24-2013, 12:57 AM
  #6335  
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Heres some laps with my mid motor RB6 tonight.

http://www.youtube.com/watch?v=OexuQa3cZo8
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Old 04-24-2013, 04:32 AM
  #6336  
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Brandon you should work for Red Bull's F1 team.
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Old 04-24-2013, 05:10 AM
  #6337  
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Originally Posted by K_King
Heres some laps with my mid motor RB6 tonight.

http://www.youtube.com/watch?v=OexuQa3cZo8
man I wish I was running on that kind of grip :LOL:

Here's what I will be running on all summer

http://www.youtube.com/watch?v=gFnQGx5KCfE
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Old 04-24-2013, 06:01 AM
  #6338  
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the rear hangers are really the only fragile part of the car. that being said i would also carry hinge pins (rear). and we tend to loose the front pivot brace (aluminum) so maybe a couple of those in the pit bag is a good idea.. LIke i posted earlier i have found a way to better attach this brace and am in the final stges before i start a small production batch for all my red army buds
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Old 04-24-2013, 06:18 AM
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Originally Posted by Bob Barry
man I wish I was running on that kind of grip :LOL:

Here's what I will be running on all summer

http://www.youtube.com/watch?v=gFnQGx5KCfE
Come to island raceway Bob and bring SLICKS!
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Old 04-24-2013, 06:22 AM
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Cool thanks for the suggestions. I should be picking up my car on Sunday so I'll take an inventory on spares and then order accordingly.

I thought of one more question. Do you guys typically run shorty packs in all situations when running rear motor? I come from the school of thought where shorty = high bite / full size = low bite. I'm guessing the same will hold true here?
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Old 04-24-2013, 06:24 AM
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Originally Posted by MikeXray
Come to island raceway Bob and bring SLICKS!
Yeah I still haven't been up to the new building. I need to make it up there one of these days. It just costs me a ton to race there. Bridges / tolls / gas and I'm up to 60-70 bucks before even walking in the door That and it's 3 plus hours away LOL
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Old 04-24-2013, 06:51 AM
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he has the alum rear holder, lucky bastid,
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Old 04-24-2013, 07:15 AM
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Am I correct that there is no alum mid rear hanger as of yet?
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Old 04-24-2013, 07:27 AM
  #6344  
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Originally Posted by MikeXray
Am I correct that there is no alum mid rear hanger as of yet?
I have not seen any offered. At least the plastic ones are beefed up.
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Old 04-24-2013, 07:44 AM
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more so than the Rm hangers? I was told that if you use the delrin bushings in the plastic holder, that they hold up very well. So I ordered some to try out.
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