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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 01-27-2014, 05:00 AM   #9541
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Quote:
Originally Posted by Johnn27 View Post
Ok so I just installed the new light weight chassis and Aluminum idle gear and I see that in the new chassis there is a lot more room, meaning adjustment holes to position the battery basically where you might want to position it.

Where to start off with battery position running 17.5 been debating the positioning all night....front/rear

This is where I am not sure what to do. Really where do I mount the esc? In front of the battery or in the rear behind the battery between the motor and battery.
On the standard chassis I had the esc mounted between the motor and battery running 17.5 and was not that happy with the cars overall performance.

Feedback appreciated.
In my experience the farther back I've mounted it the better the car felt. So I say all the way back with electronics in front of the battery.
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Old 01-27-2014, 05:46 AM   #9542
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Originally Posted by PHIL700XCSP View Post
In my experience the farther back I've mounted it the better the car felt. So I say all the way back with electronics in front of the battery.
cool , I did order that battery stop for the RT6 because I noticed there is a spot for it in the new chassis may start out there

Last edited by Johnn27; 01-27-2014 at 06:02 AM.
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Old 01-27-2014, 10:07 AM   #9543
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Whats the difference between the rb6 and rt6 battery stop?
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Old 01-27-2014, 10:26 AM   #9544
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Sorry it took me this long, but here's the pic of the sideways battery placement I did. I just cut out the side plastic and used heavy Velcro on the bottom of the battery to hold it in place.
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Kyosho Ultima RB6 & RB6.6 Car Thread-image.jpg  
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Old 01-27-2014, 10:34 AM   #9545
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Default battery stop

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Originally Posted by nickdawg18 View Post
Whats the difference between the rb6 and rt6 battery stop?
http://www.amainhobbies.com/product_...ry-Stopper-Set
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Old 01-27-2014, 10:39 AM   #9546
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Originally Posted by nickdawg18 View Post
Whats the difference between the rb6 and rt6 battery stop?
Well you have an RB6 so you know how the battery is held in place. The RT6 has a piece of plastic that looks like a door stop almost. This bolts to the chassis and allows you to slide the battery up against it. Since it sits in front of the motor it prevents the battery from coming in contact with it.
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Old 01-27-2014, 12:18 PM   #9547
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anyone have a clue what Cody King's set up was for the OCRC Rb6? is there a set up sheet that is close out there? I wanted to take a look at it!
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Old 01-27-2014, 12:56 PM   #9548
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Quote:
Originally Posted by gocoogs View Post
anyone have a clue what Cody King's set up was for the OCRC Rb6? is there a set up sheet that is close out there? I wanted to take a look at it!
Tebo said he ran it with some minor tweaks for him. Look on JTPrc.com. He should have is setup posted in a few days after he gets home. You can also comment on his site and he is real nice about answering questions on there.

As of right now I know they went back to stock rear arms for that set up.
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Old 01-27-2014, 01:36 PM   #9549
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some pics of the proline phantom body after a track day...



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Old 01-27-2014, 01:38 PM   #9550
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some pics of the proline phantom body after a track day...

Where's the fin?

Mine has a pink mohawk
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Old 01-27-2014, 02:13 PM   #9551
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Wanted to share another option for those staying with the stock equipment. My new 17.5 layout uses the stock chassis and also moves the shorty back 10mm toward the motor (compared to Tebo's OCRC setup). Uses stock holes & hardware with no jerry-rigging. Race tested yesterday with good results.
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Kyosho Ultima RB6 & RB6.6 Car Thread-photo-1.jpg   Kyosho Ultima RB6 & RB6.6 Car Thread-photo-2.jpg  
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Old 01-27-2014, 02:45 PM   #9552
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Quote:
Originally Posted by Kraig View Post
Well you have an RB6 so you know how the battery is held in place. The RT6 has a piece of plastic that looks like a door stop almost. This bolts to the chassis and allows you to slide the battery up against it. Since it sits in front of the motor it prevents the battery from coming in contact with it.
I guess id have to see it. Im just not following you lol.
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Old 01-27-2014, 04:00 PM   #9553
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Anyone try rt6 shocks caps and emulsion style shock build from the top?
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Old 01-27-2014, 04:57 PM   #9554
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Nick...where did you race at last weekend?
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Old 01-28-2014, 02:03 AM   #9555
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I guess id have to see it. Im just not following you lol.

http://www.kyoshoamerica.com/ESC-Pla...R_p_22855.html


this is the piece ur talkin about right
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