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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 ForumsThread Wiki: Kyosho Ultima RB6 & RB6.6 Car Thread
Please read: This is a community-maintained wiki post containing the most important information from this thread. You may edit the Wiki once you have been a member for 90 days and have made 90 posts.
 
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 06-24-2015, 06:05 PM
  #12151  
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Originally Posted by gism17
Noob question! Can you use the b5 rear hubs on the rb6? I'm digging the schelle ones...
I had this idea too, but you'll lose the front/rear movement tunability using the AE hubs since they are wider than the Kyo hubs.

You could spend a few bucks on the B5 kit rear hubs (ASC91414) and experiment.
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Old 06-25-2015, 05:23 AM
  #12152  
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Those of you that are using Zack Rogers' setup, are you using any anti-squat? I was looking at the setup sheet and I didn't see any noted. I just picked up a used RB6 and I'm going through it and I want to use that setup.
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Old 06-25-2015, 07:50 AM
  #12153  
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Originally Posted by twindad98
Those of you that are using Zack Rogers' setup, are you using any anti-squat? I was looking at the setup sheet and I didn't see any noted. I just picked up a used RB6 and I'm going through it and I want to use that setup.
Copy his setup to the T! It's amazing .....
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Old 06-27-2015, 06:47 PM
  #12154  
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Originally Posted by joecool
The cut up motor spacer supports the bearing and is still keyed into the motor plate. Next you need to shim the motor plate 6mm from the trans case. W0142GM spacers work really well here and match the color of all the other aluminum bits on the car. You need a lot of them, I used 20 total.

Tighten everything down and be sure everything spins smooth and free.

I was lucky to find a gear cover that is 3d printed and sold by a cool guy on Facebook.

Mount everything up in your buggy, hit the track and air it out!
did you need to use longer bolts to assemble? about to give this a go.
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Old 06-27-2015, 06:50 PM
  #12155  
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Anyone that needs a dialed Rb6, I know of one! Check Kyosho RC Nation.
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Old 06-28-2015, 09:22 AM
  #12156  
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Originally Posted by twindad98
Those of you that are using Zack Rogers' setup, are you using any anti-squat? I was looking at the setup sheet and I didn't see any noted. I just picked up a used RB6 and I'm going through it and I want to use that setup.
Use a .5 shim under the rear hanger.
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Old 06-28-2015, 09:44 AM
  #12157  
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I tried a different front end on my car this last weekend for our series race here. I have really liked my car, but with the new Aluminum 502 pivot coming out that I run on my truck, I wanted to try that front end on my 2W. It was actually pretty good. I thought I would lose some steering but I don't think I lost as much as I thought, but I gained quite a bit of stability allowing me to drive it a little harder. For those looking to try something different, just please note the different droop, axle spacing, and parts used on the front end.

Last edited by K_King; 06-28-2015 at 01:29 PM.
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Old 06-28-2015, 05:22 PM
  #12158  
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I am yet to get a run on dirt with my RB6. It just looks so so nice and clean on the shelf. I have to remember what I bought it for...
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Old 06-30-2015, 05:50 PM
  #12159  
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Question about sag, or droop as it's called nowadays. Seems like 24mm is about the standard front ride height. I have the medium shock ends and with my front suspension fully extended I'm at 24mm. Is zero front droop the norm or should I have a little? I'm still pretty green but driving other buggys and letting others drive mine, it's handling really good. I think I'd like just a little more on power steering though.
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Old 06-30-2015, 09:12 PM
  #12160  
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Is Kyosho coming out with there own 3 gear tranny anytime soon or should I just go ahead and built my own? I want to have a extra one all build and ready to go so I can just swap it out on the track, planning on using schelle bearings,MIP diff and out drives,avid aluminum topshaft... Wat are your guys thoughts on this plan?
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Old 07-01-2015, 05:48 PM
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Do the AKA Evo pre mount rims and tires fit the stock axle lengths? I've borrowed some AKA wheels before and the axle nuts didn't get enough threads on the axles for my liking. They could have been for a Losi or whatever I don't remember off hand.
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Old 07-01-2015, 11:49 PM
  #12162  
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Originally Posted by Scrad
Do the AKA Evo pre mount rims and tires fit the stock axle lengths? I've borrowed some AKA wheels before and the axle nuts didn't get enough threads on the axles for my liking. They could have been for a Losi or whatever I don't remember off hand.
I buy the pre mounted AKAs and there's plenty of axle for a serrated nut.
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Old 07-03-2015, 05:21 PM
  #12163  
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Finally hopped on the Kyosho bandwagon. After having a b5m for 6mo I wanted to try something different. I picked both of these up used. Needed some TLC but they are now race ready. Sideways battery is my sons running Tebo setup. Inline is mine running ZR.

Can't wait to test out...





Attached Thumbnails Kyosho Ultima RB6 & RB6.6 Car Thread-img_0999.jpg   Kyosho Ultima RB6 & RB6.6 Car Thread-img_1001.jpg   Kyosho Ultima RB6 & RB6.6 Car Thread-img_1002.jpg   Kyosho Ultima RB6 & RB6.6 Car Thread-img_1003.jpg   Kyosho Ultima RB6 & RB6.6 Car Thread-img_1004.jpg  

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Old 07-03-2015, 09:10 PM
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Originally Posted by timannnn6
Finally hopped on the Kyosho bandwagon. After having a b5m for 6mo I wanted to try something different. I picked both of these up used. Needed some TLC but they are now race ready. Sideways battery is my sons running Tebo setup. Inline is mine running ZR.

Can't wait to test out...





Super clean layout, nice...

I haven't tired any setups other than the Zack Rogers setup and it's excellent, if the tebo setup isn't working try the ZR setup....
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Old 07-03-2015, 10:47 PM
  #12165  
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Those are beautiful timannn!
My son and I had a rough start tonight but he pulled out a win in novice and I won the B and 7th in the A.

So are the carbon composite arm stronger than the regular??
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