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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 10-24-2012, 12:11 PM   #2056
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Quote:
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Won't adding clay bump up the weight?
It would but I don't think to the extent of being a problem. The problem would be making it look decent, and evenly spread.
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Old 10-24-2012, 12:19 PM   #2057
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A plastic insert would be awesome.
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Old 10-24-2012, 12:23 PM   #2058
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can somebody tell how much wider are the wide rear end hinge pin holder compered to standered ones i broke the wide ones all i could find the regular ones for now at least i can still run it
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Old 10-24-2012, 02:16 PM   #2059
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can somebody tell how much wider are the wide rear end hinge pin holder compered to standered ones i broke the wide ones all i could find the regular ones for now at least i can still run it
I haven't measured it yet, but they are substantionally wider... If I had to guess, I would say 3 or 4mm. (total, not per side)

Running the narrower ones will simply give you slightly more rear traction, and slightly less steering in the corners.
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Old 10-24-2012, 02:24 PM   #2060
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thanx capt steering is not a problem almost too much im running vectors on the front i have run them backwards to tame it down a bit!
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Old 10-24-2012, 02:35 PM   #2061
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Ooops, I thought the wider ones gave more rear traction.
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Old 10-24-2012, 02:40 PM   #2062
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Me too. How do they make it looser in the rear?
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Old 10-24-2012, 04:29 PM   #2063
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ems
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Old 10-24-2012, 04:31 PM   #2064
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Ironically, they have coupon codes too! Even better pricing on their already more than fair pricing. (no, i dont work for speedtech)
no... BUT I DO!!!

Thanks everyone for the support. We appreciate it very much. More great things to come...

Coupon codes in the sig.

Cheers,
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Old 10-24-2012, 05:05 PM   #2065
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no... BUT I DO!!!

Thanks everyone for the support. We appreciate it very much. More great things to come...

Coupon codes in the sig.

Cheers,
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Old 10-24-2012, 05:51 PM   #2066
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ems
how much are selling those for
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Old 10-24-2012, 06:09 PM   #2067
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Quote:
Originally Posted by hollywood7 View Post
how much are selling those for
Is that paneling?
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Old 10-24-2012, 06:20 PM   #2068
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I think modeling clay or anything that doesnt become solid would end up pushing out around the chassis on impact and the chassis would do the same thing. My chassis hasnt done this and ive had lots of hard hits. The plastic insert seems like the best fix. Other then that im thinking of putting a small amout of JB weld in there then mounting just the transmission to the chassis, cleaning up what ever excess weeps out around the tranny and letting the JB weld set up for about 30 minutes then i'll remove the chassis and let the JB weld cure the rest of the way which will make it so the tranny doesnt become welded to the chassis. If i do this i will let everyone know how it goes. If any of you have opinions or ideas on this method please post them.
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Old 10-24-2012, 06:26 PM   #2069
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Fixn start my build anything I need to know or do?!
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Old 10-24-2012, 06:35 PM   #2070
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I think a thin 1mm or so skid plate might be the best option for now. I would prefer to see a plastic plate rather than a metal one. Mush lower cost I would assume with plastic over metal.

Maybe some company will make something to fill the gaps or a skid plate of some sort.
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