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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 05-15-2013, 10:30 AM   #6796
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Originally Posted by Wildcat1971 View Post
yeah, dont get the R, its too tall to fit under the rear bulkhead. And I would get the BE because then the caps wont be in the way. The R is also like 20 grams heavier.
Cheers. I have the Exotek alum rear bulkhead if I ever run RM, which should provide more clearance.
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Old 05-15-2013, 11:55 AM   #6797
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I'd recommend the HW v3* in the 6. It fits perfect in mid and rear motor configs and the wirings very tidy because of the switch. Plus the BEC wire is the exact length to run through the side channels no trimming required. Also switching to blinky mode is just a profile change. It has enough horsepower to keep all firmwares on board and data logging as well. Power turns off when u hold brake for 6 seconds, helps a lot when running back to back heats!
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Old 05-15-2013, 04:54 PM   #6798
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Originally Posted by IRM616 View Post
again any advice on shim for steering would be helpful, like what size and approx. how many to use or start at. thanks
If stock follow the Kyosho manual.

If you have an Exotek rack, they gave some drawing and suggestions about shimming. It works for me since November.

Got quite a lot of play now, without noticing a big impact on lap time/handling.
Wear is created between metal bushings and alloy rack, nothing to do about it after a while. I would have tried Teflon shims between bushings tops and rack but I ordered a Kyosho alloy rack and arms instead.
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Old 05-15-2013, 05:00 PM   #6799
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Originally Posted by mojo tom View Post
If stock follow the Kyosho manual.

If you have an Exotek rack, they gave some drawing and suggestions about shimming. It works for me since November.

Got quite a lot of play now, without noticing a big impact on lap time/handling.
Wear is created between metal bushings and alloy rack, nothing to do about it after a while. I would have tried Teflon shims between bushings tops and rack but I ordered a Kyosho alloy rack and arms instead.
I have both brands on my two cars with brand new bushings (had massive play with the exo part as well ran for a winter season every week almost ~ 3 months). I will update which ones last longer. The exotek aluminum rack with al arms and the kyosho ones on the mod buggy. I have a feeling the kyosho will outlast since its made of weaker aluminum.
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Old 05-15-2013, 06:18 PM   #6800
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I would run the vtx10 as supposed to the "r" version for buggy unless your trying to run an outrageous mod motor. Because it is a bit lighter. My r was pretty heavy
the R is 19 grams heavier. You don't need an R though unless you run 4wd or below 6.5T. I am referring to the Black Edition of course.
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Old 05-15-2013, 06:22 PM   #6801
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Originally Posted by Wildcat1971 View Post
yeah, dont get the R, its too tall to fit under the rear bulkhead. And I would get the BE because then the caps wont be in the way. The R is also like 20 grams heavier.
According to our site, Black Edition esc's are the same dimensions. I haven't needed an 'R' yet so I have to go by that.

VTX10 BE
Dimensions: 30x32.5x16mm
WEIGHT (without wires):56g

VTX10R BE
Dimensions: 30x32.5x16mm
WEIGHT (without wires):75g

http://www.viper-rc.com/vtx10_r_be.php
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Old 05-15-2013, 06:38 PM   #6802
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I run the orange ones and theh are lime 5mm taller
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Old 05-15-2013, 06:40 PM   #6803
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Lol you may wish to update the download PDF, the R is taller at 20mm

Agreed for 2wd buggy won't need the R and added weight/less turns than 6.5.
Cheers,
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Old 05-15-2013, 06:40 PM   #6804
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Grrr phone
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Old 05-15-2013, 06:41 PM   #6805
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Originally Posted by gelshocker View Post
Lol you may wish to update the download PDF, the R is taller at 20mm

Agreed for 2wd buggy won't need the R and added weight. Cheers,
the R for the Black Edition or the Orange? I looked and you're right about the Orange, but I specified the Black Edition.
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Old 05-15-2013, 06:44 PM   #6806
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I download the BE PDF and the stated dimensions are different thx
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Old 05-15-2013, 06:46 PM   #6807
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I kinda wanna try the v3.1 but out of my price range. Will the old lcd boxes work with the 3.1
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Old 05-15-2013, 06:51 PM   #6808
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http://www.viper-rc.com/pclink/updat...manual_A55.pdf

The Rs for both orange and black @ 21mm tall? Thx
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Old 05-15-2013, 06:51 PM   #6809
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I download the BE PDF and the stated dimensions are different thx
ahh I found it. Good eye. I'll tell Nick so they can correct which ever one is wrong. I'm betting the site is wrong based off what you are saying though.

Thanks!
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Old 05-15-2013, 06:55 PM   #6810
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yes. just update the box software.


I run a vtx10 (44g or somehting). chopped the caps (black caps) off and put a hobbywing 4x capset alongside because the blacks dont let it get fully under. fits fine. the older ones with silver short caps will fit under fine. Have a couple of BE's (56g) sitting there but never tried to fit it.

VTX10R is a bit heavy (75 for be. orange was 80-something?), but lighter than the hobbywing (93, stock is 40 or something). Go figure.

IIRC the VTX1 is the lightest...
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