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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 06-09-2013, 09:31 PM
  #7186  
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Originally Posted by ryanpatrickgore
You do Brandon? At brcr? I know traction can be great there.
When traction is super high (after a fresh layout on slicks or ghost pins), I do... after 3 or 4 weeks, I go back to 0s.
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Old 06-10-2013, 12:56 AM
  #7187  
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guys if you put the wing on the buggy and take a sharp cutter and remove the little body clip nipple you can drill a hole and tap it to use screws as wing mounts. then you can use and shim any thickness wing.. I ad a nut under the wing mount for piece of mind
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Old 06-10-2013, 09:34 AM
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Originally Posted by eper
guys if you put the wing on the buggy and take a sharp cutter and remove the little body clip nipple you can drill a hole and tap it to use screws as wing mounts. then you can use and shim any thickness wing.. I ad a nut under the wing mount for piece of mind
You got any pics of this?
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Old 06-10-2013, 10:05 AM
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Originally Posted by offroad dude
You got any pics of this?
just picture 8th scale wing mount.....how you screw the wing in from the top.

cut the nipple off on the existing wing mount so that the top of it is flat. take a small drill bit and make a hole. Use 4-40 screws (they tap plastic better) and thread the screw all the way down through the mount. put a lock nut on the other side when done.

Tip.....use a 3/32 cap head screw to 'tap' the threads. then switch to a 1/16th counter sink along with a counter sink washer for a cleaner look after you have the hole cut right
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Old 06-10-2013, 10:16 AM
  #7190  
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Originally Posted by eper
guys if you put the wing on the buggy and take a sharp cutter and remove the little body clip nipple you can drill a hole and tap it to use screws as wing mounts. then you can use and shim any thickness wing.. I ad a nut under the wing mount for piece of mind
This is what I did when I ran the RB5, but the RB6 wing mounts are much skinnier, and it doesn't look like there would be enough material around the threads of the screw to work. Maybe something smaller than an M3 might work.

Did you get an M3 screw to work?
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Old 06-10-2013, 10:31 AM
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Did jconcepts or exotek say they are doing aluminum mounts? My only concern is that the mount sticks on the hard to get to gear box rather than just the tower. So aluminum there might be a bit risky if the gearbox breaks.
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Old 06-10-2013, 10:37 AM
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Originally Posted by aloksatoor
Did jconcepts or exotek say they are doing aluminum mounts? My only concern is that the mount sticks on the hard to get to gear box rather than just the tower. So aluminum there might be a bit risky if the gearbox breaks.
Does the JC b4/t4 almunium wing mounts fit on the RB6?
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Old 06-10-2013, 11:20 AM
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Originally Posted by Team G Racing
Does the JC b4/t4 almunium wing mounts fit on the RB6?
Not sure. Don't know anyone who has tried it yet.
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Old 06-10-2013, 11:25 AM
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Originally Posted by Team G Racing
Does the JC b4/t4 almunium wing mounts fit on the RB6?
Visually look very different..
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Old 06-10-2013, 03:56 PM
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i use m3 screws. counter sunk with counter sunk washers just like bob barry said
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Old 06-10-2013, 06:10 PM
  #7196  
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Originally Posted by aloksatoor
Not sure. Don't know anyone who has tried it yet.
That's just wrong...
Rb6 dosent deserve such treatment
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Old 06-10-2013, 06:19 PM
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JC has mounts in the works I believe
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Old 06-10-2013, 06:50 PM
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Hi Guys,
Looking for an RB6 roller, anyone have one they want to offload? PM Me.
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Old 06-10-2013, 07:12 PM
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Yeah I talked to Paul Wynn and he said the RB6 wing mounts are in the works.
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Old 06-10-2013, 07:34 PM
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Why do some run the rb-5 front axle on the 6?
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