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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 03-05-2013, 10:30 AM
  #5506  
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Originally Posted by seth556
I've been wanting to know that too. I'm running this setup http://www.petitrc.com/setup/kyosho/...WCRC201212.pdf with the wide blocks and 521-1 arms like he is in the pictures for Smac Track. I noticed his front camber link is a bit different now though.
Cody ran tebos setup at the winter nationals,
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Old 03-05-2013, 11:18 AM
  #5507  
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Originally Posted by MikeXray
Have you tried laying the front shocks in all the way? how come no one runs that?
going from the middle hole on the tower, to the inside hole, is a tiny tiny change. It sounds like Ryan was looking for more steering than that. I don't start with the small things like that... I like to get my car feeling as neutral as possible, with the general amount of steering that I want, with all those settings still down "the middle". Then from THERE, you make the smaller changes to fine tune. Springs, Oil, weight, track, WB, caster... these are all the big guys.

Originally Posted by ryanpatrickgore
Thanks Brandon. I have gone back to reds at the moment already and it felt good. This car has so much traction, I feel like I gave none up goin from golds to reds. I will give the castor change a shot. Thanks guys

Edit. Haven't tried laying shocks down yet, just because nobody does it like you said. Probably worth a try tho


I gotta get out to TRCR more!! the dang drive, AND bridge toll, always keeps me away. Maybe ill make it out this Friday.
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Old 03-05-2013, 11:30 AM
  #5508  
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Originally Posted by Cpt.America
yeah! i haven't run the ions yet on my track, but a tire with a nice low pin like that, looks good. Side bite seems (looks) like it might be inbetween a bar code and a suburb... but not sure. Also not sure about the compound. The only downside, is they are expensive!
I was thinking about getting "ION 2.2" M3 (Soft) Off-Road Buggy Rear Tires"

Should I use "ION 2.2" 4WD M3 (Soft) Off-Road Buggy Front Tires" in the front?

Main ION tire link
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Old 03-05-2013, 11:42 AM
  #5509  
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Originally Posted by toast.
I was thinking of doing exactly this, as the 2wds aren't out yet. It's a bigger tire... so it will change how the car drives, based on the width alone.. but might give a good idea on how they will drive. If you have the time, you could always cut down a set of 4wds to the width of a 2wd for testing.
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Old 03-05-2013, 08:50 PM
  #5510  
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if you use the exotek shock posts, do you still need the small nut first? or can u eliminate.

thx
Jay
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Old 03-05-2013, 09:23 PM
  #5511  
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Pretty sure you need the nut, but not the washer/spacers + ball.
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Old 03-05-2013, 09:45 PM
  #5512  
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Anyone tried to jam an LRP Flow/Nosram Comet esc under the bulkhead? I'm not sure how tall these are...
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Old 03-05-2013, 09:48 PM
  #5513  
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Originally Posted by silvalis
Anyone tried to jam an LRP Flow/Nosram Comet esc under the bulkhead? I'm not sure how tall these are...
I'm 90% sure it would fit, I never tried mine though.
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Old 03-06-2013, 03:58 AM
  #5514  
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Originally Posted by Jay rb5
if you use the exotek shock posts, do you still need the small nut first? or can u eliminate.

thx
Jay
A number of pages back there was mention of using the Exotek posts and the concern that there is now a metal-on-metal situation with the shock caps--curious what people experiences/thoughts are with this?
Might it be better to stay with the stock bushings?
Thanks
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Old 03-06-2013, 04:11 AM
  #5515  
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Originally Posted by Jay rb5
if you use the exotek shock posts, do you still need the small nut first? or can u eliminate.

thx
Jay
I dont think you need them. They should screw right into the screw which would eliminate the need for the little screw.
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Old 03-06-2013, 06:10 AM
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Originally Posted by Bcholka
A number of pages back there was mention of using the Exotek posts and the concern that there is now a metal-on-metal situation with the shock caps--curious what people experiences/thoughts are with this?
Might it be better to stay with the stock bushings?
Thanks
The released a delrin set now.
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Old 03-06-2013, 06:22 AM
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thanks!
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Old 03-06-2013, 07:13 AM
  #5518  
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Anyone selling RB6, please text me at 518-495-0703. send me photos. I pay right away
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Old 03-06-2013, 07:23 AM
  #5519  
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Originally Posted by noworries
Anyone selling RB6, please text me at 518-495-0703. send me photos. I pay right away
i know savageboy69 was selling his. Great seller also I know they are back in stock everywhere. I just purchased my Rb6 yesterday
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Old 03-06-2013, 08:46 AM
  #5520  
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I have a questions regarding gearing. I am trying to understand how to figure it out. Is there a page where I can get detailed explanation.
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