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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 05-03-2013, 01:08 PM
  #6601  
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couldn't agree more, eper. Nothing jumps or lands like the RB6. It sounds to me that maybe the jump isn't built right, or the car is seriously tweaked (usually a bound shock or suspension arm).

Take a video of your car going off that jump, and post it up.

The only thing setup wise you have posted that might be it... is if using the stock pistons, your rear oil might be a tad light? If the jump isn't stellar, and your damping is light, you might be bottoming out or something on the way up? hard to say. video would sure make it easy
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Old 05-03-2013, 01:29 PM
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Yep jumps and lands like a stadium truck yet still handles like an f1 car!
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Old 05-03-2013, 02:58 PM
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Hi All,

Quick note that the RR and RF hangers are in along with spring perches.

MMR hangers are due next week.

Thanks!

http://www.exotekracing.com/latest-products/
Attached Thumbnails Kyosho Ultima RB6 & RB6.6 Car Thread-dsc_0531.jpg   Kyosho Ultima RB6 & RB6.6 Car Thread-dsc_0526.jpg   Kyosho Ultima RB6 & RB6.6 Car Thread-dsc_0529.jpg  
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Old 05-03-2013, 03:59 PM
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Wow nice.
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Old 05-03-2013, 04:27 PM
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Originally Posted by MikeR View Post
Hi All,

Quick note that the RR and RF hangers are in along with spring perches.

MMR hangers are due next week.

Thanks!

http://www.exotekracing.com/latest-products/

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Old 05-03-2013, 04:29 PM
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how about making some hubs next? some affordable hubs that are always in stock? lol
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Old 05-03-2013, 04:39 PM
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Originally Posted by ryanpatrickgore View Post
how about making some hubs next? some affordable hubs that are always in stock? lol
strc makes em already. I would prefer local though from exotek but you don't have to wait
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Old 05-03-2013, 06:06 PM
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This might have already been covered, but I don't think it'll hurt to double post it...

If your ever at a track and break a ballstud, Losi SCTE's fit just fine, snug and tight (most shops carry Losi parts)
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Old 05-03-2013, 06:58 PM
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Yea but the strc haven't been in stock
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Old 05-03-2013, 07:21 PM
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Originally Posted by MikeR View Post
Hi All,

Quick note that the RR and RF hangers are in along with spring perches.

MMR hangers are due next week.

Thanks!

http://www.exotekracing.com/latest-products/
Nice Mike! Order coming soon!
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Old 05-03-2013, 07:25 PM
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Which holder breaks? Front
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Old 05-04-2013, 02:06 AM
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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.
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Old 05-04-2013, 06:05 AM
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Originally Posted by RC.Jon22 View Post
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.
corner speed is a pretty generic question. I would have your friends with faster corner speed run your car for times laps. get their input.
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Old 05-04-2013, 10:14 AM
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Never really noticed it before, but the motor guard has a .05 shim that goes around the tab that sits on the chassis. I find it odd because there is no mention of it in the manual or on any of the setup sheets. At first i thought this was a new way of adding a shim to remove anti squat, but the manual shows adding a .05 shim on the opposite site of the guard also.

Last edited by esoteradactyl; 05-04-2013 at 10:26 AM.
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Old 05-04-2013, 10:28 AM
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Originally Posted by esoteradactyl View Post
Never really noticed it before, but the motor guard has a .05 shim that goes around the tab that sits on the chassis. I find it odd because there is no mention of it in the manual or on any of the setup sheets. At first i thought this was a new way of adding a shim to remove anti squat, but the manual shows adding a .05 shim on the opposite site of the guard also.
its for anti squat.
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