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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 03-24-2013, 12:09 PM   #5851
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I am running mid motor with 2s short...would like to gain a little more rear weight bias...I'm considering mounting battery transverse...the physical space is there with some midification...has anyone tried this yet...??? Will it take the cg out of bounds...?
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Old 03-24-2013, 12:35 PM   #5852
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Originally Posted by desertracerdad View Post
Hey Matt,
If you haven't already, definitely read the 1st page of this thread as it has a lot of useful info posted. You would most likely benefit from building your 6 rear motor if its going to be run on dirt/clay or anything less than (extremely!) high grip traction (think Astroturf, carpet or most recently, SRS-Cactus). Several goods setups on KyoshoAmerica.com and Petitrc.com, along with pages of info here in this thread!
Sounds good... I did read the first page and it was very helpful. Thank you...
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Old 03-24-2013, 12:42 PM   #5853
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Originally Posted by brwn bggr View Post
I am running mid motor with 2s short...would like to gain a little more rear weight bias...I'm considering mounting battery transverse...the physical space is there with some midification...has anyone tried this yet...??? Will it take the cg out of bounds...?
Hara ran his 6 MM with a shorty mounted transverse at WC. Car looked good.
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Old 03-24-2013, 12:56 PM   #5854
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Thanks Cpt...sounds like a plan...
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Old 03-24-2013, 05:30 PM   #5855
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Is the purpose of using UM506 and LAW30 front axle and hex to widen the front end?

What is the part number for the white front springs please?

Has anyone modified or used other parts to fit TLR wheels on the car? I would like to try the car and unfortunately have lots of mounted wheels on TLR rims.
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Last edited by 1fastdude; 03-24-2013 at 07:06 PM.
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Old 03-24-2013, 05:34 PM   #5856
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Originally Posted by 1fastdude View Post
Is the purpose of using UM506 and LAW30 front axle and hex to widen the front end?

Has anyone modified or used other parts to fit TLR wheels on the car? I would like to try the car and unfortunately have lots of mounted wheels on TLR rims.
The problem with using 22 front wheels is that it is a 9mm (i think) hex. Every other car that uses hexes (rb5-6, b4) uses a 12mm hex front and rear. You would have to somehow use the hex of the 22 in order to use 22 wheels....and even then im not too sure about the offset differences.
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Old 03-24-2013, 05:46 PM   #5857
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Is the purpose of using UM506 and LAW30 front axle and hex to widen the front end?.
im not sure, but in looking at Tebos car, he used the wider rb5 axles, but then used the narrow setting with his caster blocks to counter the width change. So im not sure what the point is.
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Old 03-24-2013, 05:50 PM   #5858
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Originally Posted by Cpt.America View Post
im not sure, but in looking at Tebos car, he used the wider rb5 axles, but then used the narrow setting with his caster blocks to counter the width change. So im not sure what the point is.
not sure what the AKA wheels are like, but i'm guessing to clear any binding on the hub?
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Old 03-24-2013, 07:01 PM   #5859
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Hi everyone, a new kyosho owner to be here...

I am ordering my RB6 tomorrow, and want to order a bunch of spare parts for it. I am looking online for Kyosho springs, but I do not find them online. Anyone one of a hobby shop that does carry them? (ive been told their springs' rate and overall "feel" is best than any other spring out there... ur thoughts?)

Thanks!
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Old 03-24-2013, 07:02 PM   #5860
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Originally Posted by jwood7 View Post
I used a kyosho back plate. Then I had to grid off the area on the vts plate were the ae spring sits and goes around so I could use the kyosho spring. the k spring is shorter and allows u to get the nut on all the way to the nylon. Don't have my car here or I would post up some pics.
I wouldn't use the K plate, there is way too much play on the topshaft and bet both are getting chewed up.

I ground down the B4 plate and used the Kyosho spring, I think the B4 spring would have been fine as well.
Attached Thumbnails
Kyosho Ultima RB6 & RB6.6 Car Thread-b4plate.jpg   Kyosho Ultima RB6 & RB6.6 Car Thread-2013-03-24-20.02.29.jpg  
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Old 03-24-2013, 07:39 PM   #5861
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Originally Posted by caguilar4 View Post
Hi everyone, a new kyosho owner to be here...

I am ordering my RB6 tomorrow, and want to order a bunch of spare parts for it. I am looking online for Kyosho springs, but I do not find them online. Anyone one of a hobby shop that does carry them? (ive been told their springs' rate and overall "feel" is best than any other spring out there... ur thoughts?)

Thanks!
Speedtechrc.com sells them. However, they are not listed under rb6 parts, look under rb5. Amazon also sells them but are a bit more expensive.
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Old 03-24-2013, 07:44 PM   #5862
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I have an extra set of gold rears if you need them.....
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Old 03-24-2013, 07:44 PM   #5863
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For mid motor, can u go mid motor or is it saddle pack only?
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Old 03-24-2013, 07:49 PM   #5864
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Just purchased new RB6... I have not raced 1/10 for a while??? Any advice, tips, must do's and dont's, consensus on mid engine and rear engine? I will be running initially outdoor med. track, moderate traction... transitioning to indoor clay in a few months....

Thanks,

Matt
I'd probably start with the Japan all around setup. Its a good balance of forward/side bite and cornering ability for low to medium traction tracks.


http://www.petitrc.com/setup/kyosho/...SetupSheet.pdf
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Old 03-24-2013, 07:51 PM   #5865
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+1
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