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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 05-04-2013, 11:41 AM   #6616
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Originally Posted by Wildcat1971 View Post
its for anti squat.
Yeah i understand it's for anti squat. I just find its odd there are two different places to add shims. I'm assuming two .05 shims = 2 degrees
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Old 05-04-2013, 07:32 PM   #6617
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No shim is 2 degree, thin shim in the back is 1 degree and thick shim is 0 degree, if you start adding to the front block you can have 2+ degree or shim evenly to change roll centre.
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Old 05-04-2013, 07:42 PM   #6618
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You guys are misunderstanding me. The bottom of the motor guard has a tab that rests on the chassis. If you look close there is a .05 shim with a slit in the middle. You can remove it. Just like the rb5, the manual says to add a .05 shim between the motor guard and the hangar. So in all, thats two shims in the rear. I showed this shim to two other people at my track and they were both unaware it was even there.
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Old 05-04-2013, 07:56 PM   #6619
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Had a blast first day out with the new car. I was about a half a lap off my pace from when I ran my AE buggy, but I expected that the first couple times out. I'm still learning the feel of the car and what the changes do.

All in all, very impressed.

Coming from the AE world, we had the "Cav world setup" as a standard starting point. Is there a similar setup for the RB6? I was told to try the 'Japanese std' setup but would like some other feed back. Hard packed outdoor track, medium sized jumps, medium to low grip. Normal tires of choice are M3/M4 (depending on temps) Holeshots with either Green Rips or M3/M4 8175's.
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Old 05-04-2013, 08:12 PM   #6620
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Originally Posted by Bob Barry View Post
Had a blast first day out with the new car. I was about a half a lap off my pace from when I ran my AE buggy, but I expected that the first couple times out. I'm still learning the feel of the car and what the changes do.

All in all, very impressed.

Coming from the AE world, we had the "Cav world setup" as a standard starting point. Is there a similar setup for the RB6? I was told to try the 'Japanese std' setup but would like some other feed back. Hard packed outdoor track, medium sized jumps, medium to low grip. Normal tires of choice are M3/M4 (depending on temps) Holeshots with either Green Rips or M3/M4 8175's.
Hey Bob where are you running. I think the Japanese setup is a good starting point
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Old 05-04-2013, 08:34 PM   #6621
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Hey Bob where are you running. I think the Japanese setup is a good starting point
Family Hobbies in Vineland.

I have to go back and double check everything. I bought the car from one of our local fast guys. He had it for about 2 months this winter but is taking a break so I got an amazing deal. I basically just took the car as is and made some changes. I know he was testing running the 3 line axles with hexs spaced out along with the wide hangers.

He had 1.6x2 flat (AE) pistons with Pink front, Red Rear. I think it's 32.5 front 27.5 rear
Shorty pack.
521-1 arms.
I also flipped the spacers on the front axles so I essentially moved the front hexs out further (for JC B4 rims). I then had to flip the inserts to keep the same overall width.

I ended up with the Narrow Hangers and 2 line axles back on. I'll fill out a setup sheet before I make any more changes so I know exactly where I started from.
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Old 05-04-2013, 11:06 PM   #6622
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Originally Posted by Cpt.America View Post
Mohawk car ready for battle!!! (had a few extra antenna tube caps)
So you're the guy that steals all the antenna tube caps from all the antennas at the LHS?
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Old 05-05-2013, 12:45 AM   #6623
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Quote:
Originally Posted by Bob Barry View Post
Had a blast first day out with the new car. I was about a half a lap off my pace from when I ran my AE buggy, but I expected that the first couple times out. I'm still learning the feel of the car and what the changes do.

All in all, very impressed.

Coming from the AE world, we had the "Cav world setup" as a standard starting point. Is there a similar setup for the RB6? I was told to try the 'Japanese std' setup but would like some other feed back. Hard packed outdoor track, medium sized jumps, medium to low grip. Normal tires of choice are M3/M4 (depending on temps) Holeshots with either Green Rips or M3/M4 8175's.
I will post mine tommarow bob. My car feels good. Very planted turns hard and jumos well. I didnt use any rb5 parts
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Old 05-05-2013, 02:31 AM   #6624
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Quick setup question for you guys - I'm looking for a good setup for 17.5 at WCRC; I was running Dias' stock setup from back in October, and my car was ok at first but it seems like it doesn't have enough corner speed compared to a couple of my friends' cars. I was comparing the Dias setup to Tebo's Reedy race setup, and there are definitely some differences although obviously Tebo's setup is for modified. Should I try Tebo's WCRC setup even though I'm going to run stock or is there something else out there? Any tips would be great.
Come see me at the track, I will take a look at your setup. I'll be there tomorrow (Sunday) and Wednesday night.
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Old 05-05-2013, 05:47 AM   #6625
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bob i have a set up on petitrc that will be good down there..
mike r i have some front hige pin ideas but dont have funds to make a quanity of them would love to work something out. tried to pm u but u have a block.. you could email me at [email protected] if your interested
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Old 05-05-2013, 06:41 AM   #6626
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Originally Posted by eper View Post
bob i have a set up on petitrc that will be good down there..
mike r i have some front hige pin ideas but dont have funds to make a quanity of them would love to work something out. tried to pm u but u have a block.. you could email me at [email protected] if your interested
Which one?
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Old 05-05-2013, 02:10 PM   #6627
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Originally Posted by esoteradactyl View Post
Yeah i understand it's for anti squat. I just find its odd there are two different places to add shims. I'm assuming two .05 shims = 2 degrees
So if I wanted say 3 degrees anti squat, put a thick shim under FR hanger (mid motor)
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Old 05-05-2013, 03:30 PM   #6628
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Has anyone tried the longer front track on the caster blocks vs short? Ive been running short, but want to mess with long if its better.
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Old 05-05-2013, 04:16 PM   #6629
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http://www.petitrc.com/setup/kyosho/...ne20121127.pdf

this one
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Old 05-06-2013, 07:08 AM   #6630
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Hi everyone, Any input on the TSR gear diff for RB6? Thank you.
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