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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 03-12-2013, 04:10 AM   #5611
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Hope to try rb5 wishbones this weekend on mid config on astro. Running small bores too
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Old 03-12-2013, 10:10 AM   #5612
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Hi guys just got a rb6 used with no Manuel it's set on mid motor.anyone have any pics they would like to share with all electronics on. Didn't come with Manuel anybody have part #s to convert it to rear motor setup ,didn't come with no extra parts thanks for any help
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Old 03-12-2013, 11:07 AM   #5613
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Originally Posted by svillegas View Post
Hi guys just got a rb6 used with no Manuel it's set on mid motor.anyone have any pics they would like to share with all electronics on. Didn't come with Manuel anybody have part #s to convert it to rear motor setup ,didn't come with no extra parts thanks for any help
links on the first page will give you a manual and pics.
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Old 03-12-2013, 12:04 PM   #5614
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hm. Looks like you were carrying less corner speed than him (well, everyone was). Especially noticeable on that last landing before the straight and the one at the end of the straight. Although these looked more like driving lines rather than corner speed...
Both of those spots are strange on the layout (garbage layout). Jumping onto the back left table is an art.. overshoot it, and you get a bounce, which slows your acceleration onto the straight (makes your back end kick). Undershoot it, and of course you chassis slap on the upface. Notice a few laps I actually get a better take off down the straight, because I landed closer to the inside wall (the target)... so no, that's not corner speed. The jump at the end of the straight away is a joke too... there is a dogleg at the end of the straight keeping you from swinging wide, so you have to run the inside lane, slowly shift out, and then jump back towards the driverstand and land on an almost non-existant landing face. I went with pinned tires to make the car more controlable in the infield, and John went with full dremmeled slicks... which gives a traction advantage on the straight and sweeper, because that is the wettest part of the track. Everywhere else, I felt the pins provided better times for ME, because the car is slightly easier to drive. The slicks give better traction though.

If you watch the other corners, like the chicane at the line, and the zag up the middle before the double, and even down the strairs, there is no difference in corner speed. Actually, I tended to make up most of my time in the chicane and around the pipe just before going down the steps.

The trick to this track, is NOT pushing the car hard. Never has there been a layout at our track where the more you push your car, the more you get punished. Start wheeling your car around, and you will be on your lid soon. You literally have to keep the car moving as softly around the track as you can, or you are on your lid. Even take John for example... once I got around him, and he had to catch back up, he started pushing his car.. and what happened? 3 or 4 bobbles in just a couple laps. So some drivers are more careful than others in some spots... its a strange game on this layout. (we've never seen it before)

Lucky for us, we tore it out Sunday

(not to take anything away from John, he's easily the fastest guy in the class... and maybe the 2nd fastest guy at the track, behind a factory AE team driver).
(edit: here is another example of exactly how freakin careful you had to be on this layout.. lap time differences between 17.5 and 7.5 buggy? literally 0)
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Last edited by Cpt.America; 03-12-2013 at 12:26 PM.
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Old 03-12-2013, 12:27 PM   #5615
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Originally Posted by svillegas View Post
Hi guys just got a rb6 used with no Manuel it's set on mid motor.anyone have any pics they would like to share with all electronics on. Didn't come with Manuel anybody have part #s to convert it to rear motor setup ,didn't come with no extra parts thanks for any help
I have an extra manual. Pm me with your address and I will mail it out this week. In the meantime you can go on the Kyosho America or Petitrc.com websites and view it online.
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Old 03-12-2013, 03:04 PM   #5616
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Hey guys I dont have the patience to read the other post but I would like to know what parts are needed that are a lil soft on this car. Im not looking for bling only just what is needed for durability. I oredered the alluminum steering rack and steering crank. Does anyone have a good setup for WCRC, I will be running stock only.. Thanks
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Old 03-12-2013, 03:29 PM   #5617
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Originally Posted by BIGTIME View Post
Hey guys I dont have the patience to read the other post but I would like to know what parts are needed that are a lil soft on this car. Im not looking for bling only just what is needed for durability. I oredered the alluminum steering rack and steering crank. Does anyone have a good setup for WCRC, I will be running stock only.. Thanks

no need to read other posts... just take a look at post #1.. has all the info you need

happy reading!
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Old 03-12-2013, 03:57 PM   #5618
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Post #1 is awesome....Thanks

Anybody have a good setup for stock buggy at WCRC?
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Old 03-12-2013, 03:59 PM   #5619
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New paint by Sasquatch
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Old 03-12-2013, 04:01 PM   #5620
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With the other racers
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Old 03-12-2013, 04:04 PM   #5621
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Old 03-12-2013, 04:26 PM   #5622
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Post #1 is awesome....Thanks

Anybody have a good setup for stock buggy at WCRC?
depends on your driving style but you have Tebos or Turners set up to choose from.. OR more

http://www.petitrc.com/setup/kyosho/...UltimaRB6.html
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Old 03-12-2013, 04:29 PM   #5623
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New paint by Sasquatch
looks like the flying peacock lizard from Avatar
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Old 03-12-2013, 06:39 PM   #5624
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Quote:
Originally Posted by BIGTIME View Post
Post #1 is awesome....Thanks

Anybody have a good setup for stock buggy at WCRC?
I recommend the Jason Dias setup for WCRC. Find it on Jason's own website with a google search, or petitrc or Kyosho site....
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Old 03-12-2013, 08:43 PM   #5625
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Hey guys - I tried to search the thread for an answer, but didn't find anything, so here it goes...

Does anyone have problems with the front suspension mount bending or wearing out? It seems like I have to replace this part quite often, along with the front hinge pin brace due to bending. I did get the newer version of the hinge pin brace, and it's been good for awhile, but the front suspension mount seems to move or stretch out. I'm not crashing (lol) so I'm not sure what the problem is. Does anyone make an aluminum one yet?
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