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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 11-01-2012, 10:41 PM   #2311
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Quote:
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Who has the best price on the RB6?
SpeedtechRC.com

Out of stock until mid November. A Main are a bunch of gougers.
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Old 11-01-2012, 11:42 PM   #2312
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Originally Posted by jpcopeland1 View Post
SpeedtechRC.com

Out of stock until mid November. A Main are a bunch of gougers.
It's the same price at both places. Gougers?
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Old 11-02-2012, 03:28 AM   #2313
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Quote:
Originally Posted by lewis4x4 View Post
As a proud father, I must post that JConcepts has released it's latest Finisher Body for the RB6 and choose my 13 year old son, Landen Lewis who drives for them, his body scheme and stickers for it's press release.



http://blog.jconcepts.net/2012/11/jc...ng/#more-87143
Congrats you must be very proud Cheers
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Old 11-02-2012, 05:09 AM   #2314
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Thats how my wife keeps track of my hobby spending, the number of T shirts that say amain hobbies on them ... The new grey t shirt is really nice tho... Gues I'll order from amain...
Hahahaha... Irony - Yesterday my wife asked if that was a new Amain shirt. Of course I told her "no", but she went up and counted I had 5 (long sleeve and short sleeve) amain shirts.
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Old 11-02-2012, 08:38 AM   #2315
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Originally Posted by CanyonCarverR1 View Post
It's the same price at both places. Gougers?
I'm not calling anyone names but look at some of the hop-up prices, i.e. hubs.. I choose speedtech for parts for this reason
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Old 11-02-2012, 10:15 AM   #2316
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Finally got to drive my RB6 last night! AWESOME!!! I started with the Japan set-up and had a little off power push in the corners. I lowered the shock weight in the front from 37.5 to 32.5 thinking that the cold weather may effect the dampening. PERFECT now! Gobbs of steering! Chassis spacer worked like a charm with no problems.
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Old 11-02-2012, 10:23 AM   #2317
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I was browsing thru RC Champ's Nov catalogue and found this.



RB6 SP coming already??
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Old 11-02-2012, 10:35 AM   #2318
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Probably a typo due to them just replacing the 5 with a 6.

I'd also like that price in the US. That is about $358.
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Old 11-02-2012, 11:06 AM   #2319
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Originally Posted by Rfury View Post
Probably a typo due to them just replacing the 5 with a 6.

I'd also like that price in the US. That is about $358.
i've seen some of the parts listed as RB6 sp and they are just standard parts.. i think they are copy/pasting and not finishing the job
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Old 11-02-2012, 11:27 AM   #2320
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saw this gem in another thread. any guys looking to shed 61g's?

they say they're holding in a 1/10th buggy. since i run stock 17.5 i wonder how these would help?

http://www.amainhobbies.com/product_...=Product-Feeds

anyone with experience? or thoughts?
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Old 11-02-2012, 11:34 AM   #2321
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Originally Posted by t8rtot View Post
saw this gem in another thread. any guys looking to shed 61g's?

they say they're holding in a 1/10th buggy. since i run stock 17.5 i wonder how these would help?

http://www.amainhobbies.com/product_...=Product-Feeds

anyone with experience? or thoughts?
It's only 3000mah. You will hit such a voltage disadvantage over the length of your run, it will be a net loss for lap times.
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Old 11-02-2012, 11:39 AM   #2322
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since lipos don't have a such a large voltage drop off as NiMah would it drop that much percentage wise?
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Old 11-02-2012, 11:43 AM   #2323
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since lipos don't have a such a large voltage drop off as NiMah would it drop that much percentage wise?
Yep. You would come off the track after a 6 minute run at 7 volts flat, and my 6500 would come off at 8. You are better off saving weight somewhere else, and keeping the highest mah battery you can run. (for 17.5 racing). YMMV
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Last edited by Cpt.America; 11-02-2012 at 12:07 PM.
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Old 11-02-2012, 11:47 AM   #2324
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thanks
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Old 11-02-2012, 02:31 PM   #2325
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Slow night at work, So I made more CF stuff
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Kyosho Ultima RB6 & RB6.6 Car Thread-cf-stuff-large-.jpg  
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