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Kyosho Ultima RB6 & RB6.6 Car Thread

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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 10-18-2012, 04:46 AM
  #1741  
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Default RB6 Video running in the stock 17.5 non timing class

Here is a video of Jason Dias buggy in action in a 17.5 non-timing pro-stock class. He's running it against current ROAR National champion Kevin Motter.
The below link should work for iphones =)
http://youtu.be/06TNpEL_-_g

+ YouTube Video
ERROR: If you can see this, then YouTube is down or you don't have Flash installed.

Lap Times
http://www.liverc.com/view_result_fi...T_(A_Main).xml

Set up - I believe, not sure if anything changed for this race
http://www.petitrc.com/setup/kyosho/..._WCRC20121010/

Just to contrast the lap times
You might of heard of a few of these guys.

http://www.liverc.com/view_result_fi...D_(A_Main).xml

Last edited by steam; 10-18-2012 at 04:16 PM.
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Old 10-18-2012, 04:50 AM
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Nice. The car does not seem too heavy to run 17.5 blinky.....
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Old 10-18-2012, 05:23 AM
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stuff like that is gonna make me pull the trigger on one...
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Old 10-18-2012, 05:34 AM
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Nice setup...

Last edited by lewis4x4; 10-18-2012 at 05:57 AM.
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Old 10-18-2012, 06:03 AM
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Default Roll over

Originally Posted by rokitman View Post
stuff like that is gonna make me pull the trigger on one...
Yes but as you can see at the 1:56 mark it doesn't roll over well
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Old 10-18-2012, 06:07 AM
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Originally Posted by lewis4x4 View Post
Nice setup...
64 Pitch spur and pinion.
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Old 10-18-2012, 06:27 AM
  #1747  
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How about Hot Bodies Beams?

Originally Posted by \
jpcopeland1;11338810]It isn't so much the holes themselves as to where you place them. I myself put two holes in every set of rims I have just to let the tire breathe, and if I don't hear them breathe, physically holding the tire up to your ear and listening for air coming out, the either then hole is not big enough and needs to be enlarged, or the insert needs a couple of punches with a leather punch. This round of Clay Compound suburbs, I am taking a good pair of AKA closed cell inserts that have been broken in, and punching a couple of holes in them, and mounting on my new Suburb tires I just ordered. Been going through Pro-Line inserts like water lately and am tired of it. Sacrificing an almost brand new set of Jconcepts clay compound Bar Codes to do it (cutting at the inner bead and yanking out the inserts), but since I don't bother going back to the track where only those tires work well doesn't phase me. I wish there was really a 3rd option in tires where I race, but AKA and Panther don't seem to provide the grip I need for medium indoor wet clay. It's jconceots clay bar codes up front, and Pro-Line Suburbs back. Please would a 3rd manufacturer of tires hear my plea for another option, specifically AKA???????? In 8TH scale when I had my VE8 the Jconcets tires again were the only good choice in tires, Had major grip and didn't suffer from wheel spin as much as the Pro-Lines I bought along with the buggy. 8th scale is a totally different beast with all wheels going at the sdame time, need more balance as far as tires go and correct diff fluids (the most impotent). But again its the same thing, same tires, same inserts, boring...... The only good AKA trires I have run so far are the tires they make for indoor clay short course, and I don't like short course.
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Old 10-18-2012, 06:48 AM
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Nice race vs Motter!

I run on a pretty low bite track compared to WCRC and been having the problem that happened at the 5:24 mark. It happens on tight turns with a short take off before a jump or a step down like in this video. As you can see the car gets a little loose but still squared up for the jump but puts the car in a uncorrectable roll. Anyone got any setup to help that? Yes, i know roll the throttle but there are times when you will need to punch it.

Tebo had the same problem @ :36 sec and 3:38 mark
http://www.youtube.com/watch?v=nZ1Dim8_QCA

Last edited by SAGISI; 10-18-2012 at 07:19 AM.
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Old 10-18-2012, 07:00 AM
  #1749  
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Originally Posted by steam View Post
Here is a video of Jason Dias buggy in action in a 17.5 non-timing pro-stock class. He's running it against current ROAR National champion Kevin Motter.

+ YouTube Video
ERROR: If you can see this, then YouTube is down or you don't have Flash installed.

Lap Times
http://www.liverc.com/view_result_fi...T_(A_Main).xml

Set up - I believe, not sure if anything changed for this race
http://www.petitrc.com/setup/kyosho/..._WCRC20121010/

Just to contrast the lap times
You might of heard of a few of these guys.

http://www.liverc.com/view_result_fi...D_(A_Main).xml
Wish I could view the vid....
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Old 10-18-2012, 07:04 AM
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Originally Posted by Gitsum View Post
Wish I could view the vid....
trying clicking on 'youtube' and see if you can view it from the youtube page
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Old 10-18-2012, 07:21 AM
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Originally Posted by steam View Post
Yes but as you can see at the 1:56 mark it doesn't roll over well
none of them "ROLL" well
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Old 10-18-2012, 07:22 AM
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Originally Posted by toast. View Post
trying clicking on 'youtube' and see if you can view it from the youtube page
NoPe iPhone fail
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Old 10-18-2012, 07:30 AM
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I just ordered mine..

Just want to see what all I can use from the the rb5 on the 6

I know I can use the arms as a tuning option. I am just trying to see if it would be just as good to use my sp and wc for spares as aposed to selling them.
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Old 10-18-2012, 07:45 AM
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welcome to the family
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Old 10-18-2012, 07:47 AM
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Originally Posted by t8rtot View Post
welcome to the family

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