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Kyosho Ultima RB6 & RB6.6 Car Thread

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R/C Tech ForumsThread 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:

Main chassis - UM731 - $125.99
Side guards - UM732 - $9.99

Battery Holder:

Battery plate - UM733 - $8.99
Battery foam - UM741 - $7.99

Rear Bulkheads:

MM3 and Laydown - UM740 - $9.99
- MM3 bulkhead
- Laydown bulkhead
- Swaybar Holders

3 Gear Transmission (MM and RM):

Transmission - UM734 - $10.99
- transmission cases
- spacers
- caps
- plastic FR & RR suspension hangers
Gear Cover - UM735 - $6.99

Laydown Transmission (3 and 4 gear possible):

Transmission - UM736 - $10.99
- transmission cases
- spacers
- caps
- required extra hardware
- pastic FR suspension hanger
40T idler - UM737 - $6.99
Motor plate - UM738 - $18.99
Gear cover - UM739 - $6.99

Body:

Blade body - UMB05 - $27.99

Optional Parts:

Lightweigt Blade body - UMB05LW - $31.99
Aluminum FR suspension hanger - UMW705B - $28.99 (may be able to file UMW705 to fit)
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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11-26-2012, 10:07 AM

#2851

Jonathan Paulk

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Quote:

Originally Posted by sipaboy

I'm going to order an alloy replacement for the RF2 part. The part that breaks all the time in my case. It's the rear hinge pin holder[front side]. I don't want to order the wrong part since they go for $30 each. Can anyone advise me which to order. I'm goingto order afew things at Amain anyways. Thanks to all

The correct aluminum version is "wide". Make sure to order the "outer" one also. I broke one this past weekend.

KYOUMW515GM is the "wide" outer/rear
KYOUMW514GM is the "wide" inner/front

"GM: is the gun metal version

11-26-2012, 10:35 AM

#2852

Cpt.America

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Quote:

Originally Posted by Kraig

You probably will have to clean it frequently if you are getting dust on it. I bought a sc from someone and they had the Durango boots on the outdrives. That boot obviously protected the joint from getting dirt in it.

You could try the bike chain lube too.

hhmm... my mind is now moving.

11-26-2012, 10:37 AM

#2853

Cpt.America

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edit.

11-26-2012, 10:48 AM

#2854

fastestwon

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latest race video still running in mid motor

http://www.youtube.com/watch?v=i-d8vr4ZG8k

11-26-2012, 10:49 AM

#2855

AndyMoore

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I was working on my electronics this weekend and came up with these to mount the capacitor and receiver.

11-26-2012, 10:53 AM

#2856

jpcopeland1

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Quote:

Originally Posted by fastestwon

http://www.youtube.com/watch?v=i-d8vr4ZG8k

I noticed it having some of that annoying mid motor kick out on power in turns.

11-26-2012, 10:57 AM

#2857

Cpt.America

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Quote:

Originally Posted by AndyMoore

I was working on my electronics this weekend and came up with these to mount the capacitor and receiver.

andy.. good idea. But just so you know, my receiver mounted/servo taped up perfectly on the side pod with 0 modifications. I just used a little 2 or 3mm strip on the bottom, and a 2 or 3mm strip on the SIDE of the receiver, and it is mounted as strong as any receiver I have ever mounted to a flat chassis. You can see the side servo tape in this crappy picture here.

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Kyosho Ultima RB6 & RB6.6 Car Thread-1.jpg

11-26-2012, 11:01 AM

#2858

Cpt.America

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Quote:

Originally Posted by fastestwon

http://www.youtube.com/watch?v=i-d8vr4ZG8k

Quote:

Originally Posted by jpcopeland1

I noticed it having some of that annoying mid motor kick out on power in turns.

Car looks 'ok'... but would still be considerably better in RM on that track.

11-26-2012, 11:10 AM

#2859

fastestwon

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Quote:

Originally Posted by jpcopeland1

I noticed it having some of that annoying mid motor kick out on power in turns.

it does that because it transitions very fast. it is not lazy at all . i can live with it . this coming weekend two more RB6s will be there both running straight up tebo setups .

i am still making small adjustments

11-26-2012, 11:10 AM

#2860

aloksatoor

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Was that the leading car? Seems like it needs a bit of drag brake, she was nose up on almost all jumps as well...

11-26-2012, 11:13 AM

#2861

lbckevin

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fast...

Are you guys running stock 17.5 ? The track is cool that they change it every week. That is alot of work.

11-26-2012, 11:19 AM

#2862

K_King

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Quote:

Originally Posted by Cpt.America

Would buy... if weren't red.

Psht red is the nest. Red Army!

11-26-2012, 11:19 AM

#2863

fastestwon

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Quote:

Originally Posted by lbckevin

fast...

Are you guys running stock 17.5 ? The track is cool that they change it every week. That is alot of work.

they run open mod everything .
i like no timing 13.5 in my RB6 as well as my scr sp .
the track owner likes change so he changes up the layout about every two weeks .

11-26-2012, 11:23 AM

#2864

Cpt.America

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Quote:

Originally Posted by K_King

Psht red is the nest. Red Army!

You're right.. I might need to make the switch with my bling if they don't start coming out with black or blue aftermarkets!

11-26-2012, 11:23 AM

#2865

fastestwon

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Quote:

Originally Posted by aloksatoor

Was that the leading car? Seems like it needs a bit of drag brake, she was nose up on almost all jumps as well...

that's okay it wasn't upside down either . i don't like drag brakes and i only have 40% brakes total.