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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
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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 10-14-2012, 10:05 AM
  #1516  
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Originally Posted by Kraig View Post
For confirmation, when you say longer ball studs you are talking about using ones that have a longer threaded part right?
Yes, just pick up a pack of long ball studs and be done with it. The short ones have a tendency to rip out. My car did it, 2 other friends cars did it (none of us crashed when it happened either). The black short ball studs don't screw in long enough, change them to the long ones and problems are gone. Also don't skimp on the grub (set) screws, use them where the manual tells you.
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Old 10-14-2012, 10:06 AM
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Originally Posted by rcfiend View Post
This may have been asked alreday, but I haven't seen it yet. Does the RB5 rear aluminum hub carriers work on the RB6 or do they have different ones?
Same hubs.
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Old 10-14-2012, 10:09 AM
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Originally Posted by Matt Trimmings View Post
Kevin, do you run the Orion wts battery or a full size? And if so have you added any of the weights to it?
I just picked up one of these packs but didn't have time to test with it yet. From what I know Chris Moore is using it and he loves it, using one aluminum weight in mid channel, actual battery pack part forward. Cant wait to tinker with getting the perfect balance with it. Plus in stock with that 90c he is ballistic.
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Old 10-14-2012, 10:10 AM
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Originally Posted by Matt Trimmings View Post
Kevin, do you run the Orion wts battery or a full size? And if so have you added any of the weights to it?
So when are you going to ditch the AE and get an RB6?
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Old 10-14-2012, 10:23 AM
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Page 18 Sec. 17,
there seems to be a little play back & forth between rear arms & Susp. Holders @ 0.5mm
is this ok?
i used FF & FR (Alum 514 & 515).
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Old 10-14-2012, 11:01 AM
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Originally Posted by jpcopeland1 View Post
If I can find mine, I'll post it. It is the addendum that tells you to shave down the turnbuckle that attaches to the servo horn. If yours clears without hitting anything like mine does, you don't need the sheet.
Thanks, I'll just make note of that, Cheers,
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Old 10-14-2012, 11:09 AM
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Originally Posted by Eric Summers View Post
Page 18 Sec. 17,
there seems to be a little play back & forth between rear arms & Susp. Holders @ 0.5mm
is this ok?
i used FF & FR (Alum 514 & 515).
I used a 0.2mm shim there
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Old 10-14-2012, 11:10 AM
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Default Gear diff

My friend just bought the car and was wondering if the gear diff fits it. Thanks
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Old 10-14-2012, 11:18 AM
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What do I need to use a smaller spur? Seems Kyo doesnt make any smaller than stock spur 76. What gears are you guys running for Blinky 17.5?
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Old 10-14-2012, 11:22 AM
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Originally Posted by RMKinWI View Post
What do I need to use a smaller spur? Seems Kyo doesnt make any smaller than stock spur 76. What gears are you guys running for Blinky 17.5?
You can use the AE or kimbrough gears (AE makes down to a 72, kimbrough a 69) you just need the gear and a set of AE slipper pads. Make sure if you get the kimbrough gear that its the one that accepts the AE pads.
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Old 10-14-2012, 11:33 AM
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Originally Posted by CanyonCarverR1 View Post
I used a 0.2mm shim there
metal or plastic?

i believe there is room looking top view for the 0.5mm, bottom view between looks slightly thinner.
and Thanx
ems
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Old 10-14-2012, 11:36 AM
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Originally Posted by RMKinWI View Post
What do I need to use a smaller spur? Seems Kyo doesnt make any smaller than stock spur 76. What gears are you guys running for Blinky 17.5?
i read somewhere here (these threads are Flyn') spur 72 Losi (TLR3978) & 32 pinion or Kimbrough [KIM143] 70/33
ems
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Old 10-14-2012, 12:05 PM
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Originally Posted by Eric Summers View Post
metal or plastic?

i believe there is room looking top view for the 0.5mm, bottom view between looks slightly thinner.
and Thanx
ems
.2 would be metal for sure. They make a combo pack that has a .3 .2 and .1 that go on by the CVDs and axles, and then smaller ones of the same size that are made for the smaller hinge pin holes. Very handy to have.
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Old 10-14-2012, 12:24 PM
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Originally Posted by Eric Summers View Post
metal or plastic?

i believe there is room looking top view for the 0.5mm, bottom view between looks slightly thinner.
and Thanx
ems
Originally Posted by K_King View Post
.2 would be metal for sure. They make a combo pack that has a .3 .2 and .1 that go on by the CVDs and axles, and then smaller ones of the same size that are made for the smaller hinge pin holes. Very handy to have.
http://www.amainhobbies.com/product_...3x5mm-Shim-Set
"These are also used on the Ultima and Lazer family of vehicles to remove excess play in the suspension arms, and are also used in the servo saver assemblies. "

Always have a bag of these in the small parts box!
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Old 10-14-2012, 12:32 PM
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Originally Posted by Weazsel View Post
http://www.amainhobbies.com/product_...3x5mm-Shim-Set
"These are also used on the Ultima and Lazer family of vehicles to remove excess play in the suspension arms, and are also used in the servo saver assemblies. "

Always have a bag of these in the small parts box!
Thank you both
should they go in front of or behind, front or rear of arms?
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