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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 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 11-14-2013, 06:51 PM
  #8641  
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Originally Posted by bigemike View Post
I see he is running a saddle pack, would the setup work with a shorty or are saddle packs better for mid motor?
You can try a shorty or saddle. I know Joe Pillars likes the shorty but he's running 2.5wt lower shock oil to make up for the weight difference in packs. Shorty feels faster and saddles is a bit more sluggish but easy to drive. You also have to factor in the amount of traction u have as saddles would be better for looser tracks but also good for high grip. Shorty for high grip.
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Old 11-14-2013, 07:15 PM
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Originally Posted by rpboggs1 View Post
I was wondering this too... Any suggestions?
Raise the tranny 1mm.. And if you shim the RR hanger 2mm you'll get zero anti-squat..
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Old 11-14-2013, 07:22 PM
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Originally Posted by K_King View Post
Did he think the gull's provided too much grip then and made him slide around?
I tried the gull wing on mid motor but cars just continues to roll and it doesnt square up fast enough to get in throttle early.. Having a straight arm cars square up faster and levels the car quicker so you can get on the throttle early without the rear getting a little twitchy..
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Old 11-14-2013, 09:14 PM
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Originally Posted by sir_thomas View Post
Hey fellas, I just wanted to post a setup on 2wdMod.com that was ran by Kyosho/ Team Orion driver, Andy Dibrino. His car was absolutely dialed all weekend. Give it a try and see if you like it. Of course...get the right tires on and adjust ballstud height accordingly.

http://2wdmod.com/2013/11/14/2wd-clo...winning-setup/
Dude I already posted his set up a few days ago on here.
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Old 11-14-2013, 09:22 PM
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Loads of RB6 parts on the horizon:

http://www.kyosho.com/eng/products/rc/np1310.html

http://www.kyosho.com/eng/products/rc/newparts.html

Hopefully the pistons won't cost a GHEA!
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Old 11-14-2013, 11:34 PM
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Originally Posted by the big rc View Post
Dude I already posted his set up a few days ago on here.
All about the love bro
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Old 11-15-2013, 05:54 AM
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Originally Posted by gelshocker View Post
Loads of RB6 parts on the horizon:

http://www.kyosho.com/eng/products/rc/np1310.html

http://www.kyosho.com/eng/products/rc/newparts.html

Hopefully the pistons won't cost a GHEA!
I will guess that those pistons are 2x1.6, 3x1.4 and 4x1.3 since they don't list the size of the holes.

I'll be ordering all 3 once they are available.
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Old 11-15-2013, 02:16 PM
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Default 521-1 arms

If I change to 521-1 arms, what other parts do I need? Short shock bottoms? Longer hinge pin? Type-B or B-2 rear hub?
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Old 11-15-2013, 02:17 PM
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i dont think you need anything else. i think you just have to readjust shock height and maybe change oil weight?
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Old 11-15-2013, 02:26 PM
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Originally Posted by E73 View Post
If I change to 521-1 arms, what other parts do I need? Short shock bottoms? Longer hinge pin? Type-B or B-2 rear hub?
You can use the RB6 hinge pins, but will need to ream out one end of the arm and use a 2mm spacer on the outside at either end.
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Old 11-15-2013, 05:38 PM
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Originally Posted by E73 View Post
If I change to 521-1 arms, what other parts do I need? Short shock bottoms? Longer hinge pin? Type-B or B-2 rear hub?
Also change to the short shock bottoms.
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Old 11-15-2013, 05:59 PM
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Default Spur gear

Who make a 66 tooth spur gear for the RB6?

Sorry if this was mentioned before, I could not find it,

Thanks
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Old 11-15-2013, 06:33 PM
  #8653  
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Originally Posted by bleubyu View Post
Who make a 66 tooth spur gear for the RB6?

Sorry if this was mentioned before, I could not find it,

Thanks
Avid
http://www.amainhobbies.com/product_...-Spur-Gear-66T
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Old 11-15-2013, 06:47 PM
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Originally Posted by bleubyu View Post
Who make a 66 tooth spur gear for the RB6?

Sorry if this was mentioned before, I could not find it,

Thanks
You will need to Triad Slipper though.
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Old 11-15-2013, 06:49 PM
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Default spur gear

Does that gear require the Avid pads as well? any other things needed? to use this gear? Slipper plates? Slipper pads?

Thanks for your help
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