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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 08-13-2012, 05:31 AM   #361
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Not sure if anyone has mentioned this yet, but most of the major stores in Japan are expecting to get the RB6 in store by mid September and they will be 30800yen. With currency conversion, thats roughly $400 USD.
http://www.rc-champ.co.jp/net-car/in...ducts_id=34127

Not sure how much a kit would cost to send by EMS from Japan, but even if its $60, it will be cheaper to get from JP than US for us Aussies.
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Old 08-13-2012, 06:14 AM   #362
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Here is the Instruction manual for RB6 ... http://www.kyosho.com/jpn/support/in...IMA_RB6_IM.pdf
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Last edited by PiRo; 08-13-2012 at 07:45 AM. Reason: Spelling
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Old 08-13-2012, 09:20 AM   #363
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Quote:
Originally Posted by mdowney View Post
Looks like Tebo finished #2 behind Cavalieri during the timed practice sort for the quals at the Super Nats. That's a good start for the RB6!
I spoke with him yesterday for a while and he was happy with the car, said it was very smooth and stable. He mentioned that you don't have to drive the rb6 as hard as the rb5 to stay on pace which is great as this was my major complaint with the rb5....Unfortunately, I didn't get to see it on the track, but he did let me look at it and explained a few things on the car. To be honest, it is the best looking 2 wheel I've seen in both design and parts quality, and I've owned them all. Looking forward to its release.
Definitely a good start, hope he can take the win.
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Old 08-13-2012, 11:08 AM   #364
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Quote:
Originally Posted by HareTurtle View Post
Not sure if anyone has mentioned this yet, but most of the major stores in Japan are expecting to get the RB6 in store by mid September and they will be 30800yen. With currency conversion, thats roughly $400 USD.
http://www.rc-champ.co.jp/net-car/in...ducts_id=34127

Not sure how much a kit would cost to send by EMS from Japan, but even if its $60, it will be cheaper to get from JP than US for us Aussies.
Wow.. that's like a 30% off if the MSRP is 44100 yen.

I hope the parts have the same discount, so that I can upgrade my RB5 for less.
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Old 08-13-2012, 11:12 AM   #365
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I am looking forward to eventually hearing from those who will convert their WC cars!!!
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Old 08-13-2012, 01:53 PM   #366
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MDowney...

Can you post the setup sheet using version 6...It has all the part numbers on it...
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Old 08-13-2012, 03:23 PM   #367
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I was at west coast all day yesterday and got to watch all the big boys run a full day of qualifiers. Great racing all around. I was able to sit and talk with tebo for a little bit (a very nice and very approachable guy, btw) and I was asking about some of the differences between the 5 and the 6, and while he admitted that he didn't have much time on the car, he did say that was more stable due to the longer wheelbase, but also was a bit more responsive due to the chassis. I got to hold it a bit in the pits and get close look... And I have to say, the photos we've seen so far don't do the car any justice... It's straight up gorgeous. Tebo was running the production steering rack, and it was plastic.
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Old 08-13-2012, 03:32 PM   #368
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A couple pics
Attached Thumbnails
Kyosho Ultima RB6 & RB6.6 Car Thread-imag0180.jpg   Kyosho Ultima RB6 & RB6.6 Car Thread-imag0173.jpg  
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Old 08-13-2012, 03:35 PM   #369
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Quote:
Originally Posted by lbckevin View Post
MDowney...

Can you post the setup sheet using version 6...It has all the part numbers on it...
http://www.petitrc.com/setup/kyosho/...UltimaRB6.html
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Old 08-13-2012, 07:11 PM   #370
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Quote:
Originally Posted by Eric Tomczyk View Post
Yes it's the same, the RM tranny is identical except for the wing mounts are now integrated into the case.

Infernos Only has an RB6 parts section up and they are listing most of the parts and offering preorders on parts too. FYI the alloy chassis is $109.99!!!
Yeah, I went and added all the parts needed to convert a RB5 to the RB6. If you include things like body, wing, decals and all the parts to make the change, it was $343 plus shipping.
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Old 08-14-2012, 01:23 AM   #371
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Quote:
Originally Posted by Cpt.America View Post
A couple pics
Interesting - it looks like he's running a low profile servo. I'll have to ask about that.
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Old 08-14-2012, 01:41 AM   #372
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Quote:
Originally Posted by mdowney View Post
Interesting - it looks like he's running a low profile servo. I'll have to ask about that.
Would this be the RSx one10 (which I'm not sure will fit in the RB5 as the 2413 definately does not! )?
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Old 08-14-2012, 02:27 AM   #373
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Yup that's the one10. I use it in 4WD for it's size/weight/balance left to right. Almost 15g lighter than other RSx servos. I guess the RB6 likes to be light up front.

As for the RB5, the one10 has the same profile as a standard servo, just shorter, so it'll fit just fine.
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Old 08-14-2012, 07:19 AM   #374
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Car looks better in person. What a cool guy. I got to talk to him about it last night. He really likes it. Said he does not have to drive it as hard. He did state that he was still working on the rear end of the car. Not yet happy with it.

Car not yet dialed and qualified 2nd place. Ummm could be give Cav a run for his money in the mains?
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Old 08-14-2012, 07:31 AM   #375
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Quote:
Originally Posted by Rfury View Post
Yeah, I went and added all the parts needed to convert a RB5 to the RB6. If you include things like body, wing, decals and all the parts to make the change, it was $343 plus shipping.
Hopefully Jeff at SpeedtechRC will create his own upgrade kit and do a nice price reduction on it like he always seems to do...
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