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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 02-21-2013, 08:49 AM   #5311
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Quote:
Originally Posted by MikeXray View Post
There are no issues running B4 slipper pads with kyo plates if I wanted to use a kimbrough spur right?
I had no issues at all.
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Old 02-21-2013, 08:49 AM   #5312
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Cpt nailed it. I also find that more caster has more exit steering on low speed turns, almost making the car hook. But I have to test that more.
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Old 02-21-2013, 08:52 AM   #5313
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Caster is faster. I find less caster gives more turn in but less steering in the middle of the turn. With more caster it seems more linear throughout the turn. You can also think of it as the more caster you have the more the car will dig in at higher speeds.
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Old 02-21-2013, 09:21 AM   #5314
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Curious, for those of you running the 30 degree kickup have you run the inserts backwards so you would get 28, 26 degree caster? I am just wondering if the results would be similar to running 25 kickup with different inserts.
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Old 02-21-2013, 09:52 AM   #5315
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Quote:
Originally Posted by noworries View Post
FOR SALE: this is killing me. I just can't run so many classes.
RB6 roller. Like new. Not a scratch on it. Ran on carpet only.
3 painted bodies. 1 custom painted j concepts with wing. 1 stock body and 1 proline body.
Avid triad with Kyosho topshaft. comes with 69, 72 and 76 spur
Kyosho gun metal battery supports
Kyosho carbon fiber battery strap.
Exotek: aluminum (red) steering rack
Exotek: rear camber plate (red)
extra set of x-gear springs. front and rear. Front GOLD. Rear YELLOW
Kimbrough 69 spur with AE upgraded pads included.
All kit parts replaced with above are included.
Extra set (4) of yellow Kyosho wheels.
new tires, mounted slightly used tires (schumacher) will be included.

I am new to this forum but I have 100% score on ebay. Buy with confidence. 89 feedbacks on Ebay. Text me at 518-495-0703 or leave message here.

$540 firm.
SOLD. THANK YOU VERY MUCH
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Old 02-21-2013, 10:03 AM   #5316
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Hey gang, lets us the For Sale forum to sell your stuff as that is the reason why it is there.

Thanks!
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Old 02-21-2013, 10:04 AM   #5317
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Quote:
Originally Posted by steam View Post
I feel out of the loop, What is a ghost pin?
Worn down tires so that the pins are barely visible.

Only bad question is the one not asked.
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Old 02-21-2013, 10:05 AM   #5318
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Quote:
Originally Posted by Kraig View Post
Curious, for those of you running the 30 degree kickup have you run the inserts backwards so you would get 28, 26 degree caster? I am just wondering if the results would be similar to running 25 kickup with different inserts.
Yes, you can run the 30 and go backwards for 28 or 26... heck, run 25 and go down to 23 or 21
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Old 02-21-2013, 10:15 AM   #5319
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Originally Posted by Cpt.America View Post
Yes, you can run the 30 and go backwards for 28 or 26... heck, run 25 and go down to 23 or 21
Yes that I understand. I was just curious to see if anyone tried it and how it felt.
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Old 02-21-2013, 11:25 AM   #5320
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Yes that I understand. I was just curious to see if anyone tried it and how it felt.
I am actually going to make this change for this weekend. I want to lower my caster, but want the kick up for off throttle rotation. I am going to try 30/-4
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Old 02-21-2013, 11:32 AM   #5321
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Thumbs up kimbrough spiur

.

Last edited by Johnn27; 02-21-2013 at 11:33 AM. Reason: double post
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Old 02-21-2013, 11:33 AM   #5322
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Thumbs up kimbrough spur

Quote:
Originally Posted by MikeXray View Post
There are no issues running B4 slipper pads with kyo plates if I wanted to use a kimbrough spur right?
None , I run a 69 kimbrough associated spur with the associated slipper pads
in my RB6 with the RB6 plates!
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Old 02-21-2013, 11:53 AM   #5323
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Originally Posted by Cpt.America View Post
I am actually going to make this change for this weekend. I want to lower my caster, but want the kick up for off throttle rotation. I am going to try 30/-4
So this will equal 26*? Achieved by just flipping you blocks to the opposite side?

I was thinking of trying 29* I want more mid and exit steering right now. Maybe ill try the red springs again as I have gold on right now.

Also, which front hinge pin holder is the thicker prefered one? Seems like there are quite a few to choose from? Part number?

Last edited by ryanpatrickgore; 02-21-2013 at 12:45 PM.
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Old 02-21-2013, 01:30 PM   #5324
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Quote:
Originally Posted by Cpt.America View Post
I am actually going to make this change for this weekend. I want to lower my caster, but want the kick up for off throttle rotation. I am going to try 30/-4
Ok, I am glad you understood my question. I am curious as to what you find.

Quote:
Originally Posted by ryanpatrickgore View Post
Also, which front hinge pin holder is the thicker prefered one? Seems like there are quite a few to choose from? Part number?
This is the latest one that has been refined, KYOUM720B. I put it on my car last Tuesday and so far so good.
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Old 02-21-2013, 01:34 PM   #5325
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Quote:
Originally Posted by Kraig View Post
This is the latest one that has been refined, KYOUM720B. I put it on my car last Tuesday and so far so good.
I tired of using a hammer to the other one! thats good to know
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