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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
Please read: This is a community-maintained wiki post containing the most important information from this thread. You may edit the Wiki once you have been a member for 90 days and have made 90 posts.
 
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 12-02-2012, 06:12 PM   #3061
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What are you guys running for gearing in 17.5 in rear motor
I have a Gen2 Tekin motor
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Old 12-02-2012, 06:32 PM   #3062
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Best pricing at speedtechrc
I always forget to mention them. They have great prices and great customer service. Just made an order with them actually.
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Old 12-02-2012, 06:44 PM   #3063
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thanks guys, i jus got my car and i havnt run it yet but jus being prepared i made the switch from AE....
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Old 12-02-2012, 07:33 PM   #3064
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Has anyone used the orion wts lipo with weights? I am interested to hear feedback if so.

Matt
I've been using them, but mostly with no weights. I did try some weight towards the rear of the car when I was trying to correct something. I have since removed the weight and corrected the problem with suspension changes. I think the weights aren't needed, and are just a band-aid to a handling problem, but I like having them in my box just in case I start bleeding
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Old 12-02-2012, 07:57 PM   #3065
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Originally Posted by Mxer59 View Post
I got that notchy feeling out of my tranny, thanks for all who replied with help.
Are there any must need upgrades for this car?
Replace the ballstuds that are not long in length when it comes to threads. Pickup some of the longer ones. The short ones can be found in the front caster block and someplace else (memory is failing me right now). Otherwise, they tend to pull out.
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Old 12-02-2012, 08:09 PM   #3066
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Default PDF file of race

check it out
Attached Files
File Type: pdf R4_Race_08_Buggy MOD_A-Main.pdf (32.4 KB, 115 views)
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Old 12-02-2012, 08:25 PM   #3067
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Originally Posted by Mxer59 View Post
What are you guys running for gearing in 17.5 in rear motor
I have a Gen2 Tekin motor
I was running 34/69 on a Fantom Ion3, until I did something dumb. Used a kimborough associated spur as per what Cpt keeps saying.

I've got an avid triad and a reedy incoming. Going to start at around 30/69 or 72 then go up.
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Old 12-02-2012, 09:54 PM   #3068
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What weight oils are you guys running on stock setup?
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Old 12-03-2012, 06:02 AM   #3069
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I got that notchy feeling out of my tranny, thanks for all who replied with help.
Are there any must need upgrades for this car?
the only upgrade this car needs is a endless supply of charged batteries so you can keep turning laps
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Old 12-03-2012, 06:06 AM   #3070
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the only upgrade this car needs is a endless supply of charged batteries so you can keep turning laps
well can't wait to get her on the track, was curious as oil weights to run? On my b4.1 big bores I did 30-27.5
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Old 12-03-2012, 07:52 AM   #3071
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..................

Last edited by Jamison R; 12-03-2012 at 02:02 PM.
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Old 12-03-2012, 08:28 AM   #3072
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Originally Posted by Mxer59 View Post
What are you guys running for gearing in 17.5 in rear motor
I have a Gen2 Tekin motor
Too many variables to give you the "sweet spot" on gearing. How much endbell timing you are running, how heavy your car is, what rotor you are running, and how large your track is can vary your timing by quite a bit... and the gen2 tekin motor is probably going to be about your least popular motor at this point considering it's so new. I don't know a single person running one at either of my tracks. Having said that, here is where I run. With this combination, the 31/69 is the sweet spot. 30 is slower, and so is 32. It can also vary motor to motor of the same model. (although probably not much).

Fantom APEX 17.5
Fantom 4500 shorty lipo
endbell timing maxed
12.5 HT rotor
31/69

Car is blistering fast for a 17.5. This weekends race I ran a fast lap of 14.4... Mod fast lap for the night was 14.3 in a b4.1
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Old 12-03-2012, 08:30 AM   #3073
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I was running 34/69 on a Fantom Ion3, until I did something dumb. Used a kimborough associated spur as per what Cpt keeps saying..
Is there a problem?
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Old 12-03-2012, 08:32 AM   #3074
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I think he's stating his choice in spur, to each that gearing. per your recommendation
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Old 12-03-2012, 08:40 AM   #3075
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I think he's stating his choice in spur, to each that gearing. per your recommendation
aahh.. at first I read it as he was saying something dumb happened because he used my recommendation I see now.
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