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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 01-12-2015, 12:56 PM   #11491
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My RB6

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Old 01-12-2015, 03:13 PM   #11492
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i bought a b5m a few weeks ago car doesnt steer and gets terriable bit. hows the rb6? what are the pros and cons on this buggy might get one
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Old 01-12-2015, 04:11 PM   #11493
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Originally Posted by DIRT DIGGER View Post
i bought a b5m a few weeks ago car doesnt steer and gets terriable bit. hows the rb6? what are the pros and cons on this buggy might get one
Tons of great info here on Page 1 of this thread.

http://www.rctech.net/forum/electric...b6-thread.html
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Old 01-12-2015, 04:34 PM   #11494
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Originally Posted by aloksatoor View Post
I tested with the zack rogers setup yesterday. Have the exact setup, I could not get the rear to stop swinging around. What are the electronics on the car? Mine are shorty to motor and esc behind servo. I tried white fronts as well. This with 8.5 motor and dirt webs sauced golds for indoor clay. The b5ms can put down the power super easy.

Also thinking of going RM on my second car to test back to back.
Its frustrating for sure.
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Old 01-12-2015, 07:31 PM   #11495
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Do you guys use Kyosho springs or is there a cheaper alternative?
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Old 01-12-2015, 08:09 PM   #11496
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Car already to try out tomorrow.

Just need to set ride height.
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Old 01-12-2015, 10:37 PM   #11497
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Quote:
Originally Posted by aloksatoor View Post
I tested with the zack rogers setup yesterday. Have the exact setup, I could not get the rear to stop swinging around. What are the electronics on the car? Mine are shorty to motor and esc behind servo. I tried white fronts as well. This with 8.5 motor and dirt webs sauced golds for indoor clay. The b5ms can put down the power super easy.

Also thinking of going RM on my second car to test back to back.
Try going in on the rear tower.
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Old 01-13-2015, 04:25 AM   #11498
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Quote:
Originally Posted by aloksatoor View Post
I tested with the zack rogers setup yesterday. Have the exact setup, I could not get the rear to stop swinging around. What are the electronics on the car? Mine are shorty to motor and esc behind servo. I tried white fronts as well. This with 8.5 motor and dirt webs sauced golds for indoor clay. The b5ms can put down the power super easy.

Also thinking of going RM on my second car to test back to back.
Try playing with the dual rate. My home track has a bunch of high speed sweepers and only one pivot turn. I found that by turning the dual rate down to like 80 the car came alive. I could still get through the 180 by breaking hard at turn in, and everywhere else the car was super easy to drive.

80 might not be the number for you, but my guess is right now you have too much steering.
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Old 01-13-2015, 07:04 AM   #11499
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Can someone be really awesome and post some pictures of their modded side pods for running the battery sideways?

Or, if someone has already posted pics, what page(s) are they on? I don't quite have the time to pour through 700+ pages so I really appreciate it.

Diagrams are cool too, I just need to know where to cut, how far, how deep, etc.

Thanks.
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Old 01-13-2015, 07:12 AM   #11500
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Is there a part number for the new alum steering bracket?
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Old 01-13-2015, 07:22 AM   #11501
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Originally Posted by yodace View Post
Is there a part number for the new alum steering bracket?
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Old 01-13-2015, 09:21 AM   #11502
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Thanks guys I will try out these suggestions rear tower and the throw.
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Old 01-13-2015, 09:32 AM   #11503
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Any rumors on an upgrades version of this car? Like a FT kind of thing. A team driver mentioned it to me before the holidays, but i have heard nothing anywhere else.
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Old 01-13-2015, 10:18 AM   #11504
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Quote:
Originally Posted by kyle3333 View Post
Can someone be really awesome and post some pictures of their modded side pods for running the battery sideways?

Or, if someone has already posted pics, what page(s) are they on? I don't quite have the time to pour through 700+ pages so I really appreciate it.

Diagrams are cool too, I just need to know where to cut, how far, how deep, etc.

Thanks.

Sorry if they are old and dirty, from last season when i did it. But you get the idea lol

These are longer so i can also use saddles sideways or slide the shorty forward or back. If you dont want to use saddles or be able to move the shorty then dont go as long obviously.
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Old 01-13-2015, 11:46 AM   #11505
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Quote:
Originally Posted by kyle3333 View Post
Can someone be really awesome and post some pictures of their modded side pods for running the battery sideways?

Or, if someone has already posted pics, what page(s) are they on? I don't quite have the time to pour through 700+ pages so I really appreciate it.

Diagrams are cool too, I just need to know where to cut, how far, how deep, etc.

Thanks.
http://www.petitrc.com/setup/kyosho/...ShortySideway/

http://www.petitrc.com/setup/kyosho/...bigpics/70.jpg
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