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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 09-08-2015, 04:05 PM   #12406
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And to complete the conversion there will soon be this, in several colors. The end of the slipper adjustment will have a rubber over boot that slides on and keys to the groove.

How about a red one for a regular transmission?
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Old 09-08-2015, 04:38 PM   #12407
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I'm sure this has been covered. I tried searching the thread didn't see all I was hoping. Would a rb6 be significantly better than an rb5 on an outdoor track? I have a chance to get one dirt cheap
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Old 09-08-2015, 08:28 PM   #12408
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How about a red one for a regular transmission?
It's just a mirror of this right?
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Old 09-08-2015, 08:36 PM   #12409
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Originally Posted by RCmayor View Post
And to complete the conversion there will soon be this, in several colors. The end of the slipper adjustment will have a rubber over boot that slides on and keys to the groove.

are you going to offer the whole thing as a kit, gear cover and 3 gear conversion parts?
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Old 09-08-2015, 08:40 PM   #12410
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It's not me offering these directly. Another guy is selling them. I just supply parts to him for a 3 gear conversion. Search for "3 gear conversion for the Kyosho RB6/RT6 mid motor" on facebook. But I can do the regular 4 gear cover direct.
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Old 09-09-2015, 03:47 AM   #12411
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It's just a mirror of this right?
I would think so.
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Old 09-10-2015, 03:47 PM   #12412
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Muahaha...
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Old 09-10-2015, 04:55 PM   #12413
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A little late to the party it seems,

The 3gear is a go. Should be interesting
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Old 09-12-2015, 03:37 AM   #12414
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Well the first night/test of the 3gear mod was much better than I expected,

For me it was almost night and day better for,my local track. I'd call it a worthwhile mod for anyone to do. Might not be the absolute best setup all,the time, but a pretty valuable tuning aide when needed. I'll probably keep,it in for a while and see if I can get it a little bit better, but so far after some good practice packs and one night of racing, I like it.
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Old 09-13-2015, 03:41 PM   #12415
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So I ran the car this past weekend at the JConcepts Turf Nationals at RC Madness and I was extremely happy with how the car worked on astro. J Concepts debut thier new astro/carpet tire at this race and it was part of the handout class. So considering I never ran on astro or carpet and then had to adjust again yo the JC tires all in all it was a good weekend. I took 3rd in Mod buggy and 2nd in 4wd with the zx6. Cars were awesome all weekend.
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Old 09-13-2015, 05:25 PM   #12416
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Quote:
Originally Posted by tef View Post
So I ran the car this past weekend at the JConcepts Turf Nationals at RC Madness and I was extremely happy with how the car worked on astro. J Concepts debut thier new astro/carpet tire at this race and it was part of the handout class. So considering I never ran on astro or carpet and then had to adjust again yo the JC tires all in all it was a good weekend. I took 3rd in Mod buggy and 2nd in 4wd with the zx6. Cars were awesome all weekend.
Nice running! I was going to head up there saturday but got out of work late.
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Old 09-13-2015, 09:23 PM   #12417
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Been putting in some time with getting the rear end to my liking with 3 gear. I felt like softening up the rear was best for me. I was able to drive it pretty hard which is huge for me.

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Old 09-13-2015, 09:45 PM   #12418
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Took 3rd in novice main (Saturday) my first time driving in the last 20 years lol. Mod class expert was running 17.4 laps and I was 20.5 average just couldn't deal with the traffic and getting smashed into by everyone else. Most of the class was SCT's too..

Car handled awesome, drove better then I could have wished for. I had to get my gearing figured out ended up running a 69/32 which was enough torque to keep me clearing the middle set of doubles after a sharp turn. Wish I had a bit more down the straight but you have to sacrifice somewhere right.

Gonna pick up a D4-1S, that should give me that little extra down the straight lol
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Old 09-14-2015, 03:21 PM   #12419
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I have two mid motor setup RB6 that I am learning to setup.
Is there a 'general' camber setting that I should start with. I've been looking at setup sheets and they seem to range from -2 up to 2.

I usually run on a small clay track (Tony's Hobbies) or OCRC.
Thanks in advance.
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Old 09-14-2015, 04:25 PM   #12420
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Positive camber? Maybe they just put 2 meaning -2. Now I'm curious as well.

I fought mine all night Saturday but kiddos car was more hooked. Hard slick track. His car is narrower in the rear and I still have the stock arm hangers. I think that was the biggest difference.
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