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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 12-07-2012, 09:11 PM   #3211
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Looking at picking up an rb6. Don't feel like reading all 2700 pages. What are the key things I'm gonna need to do or need to beef up on the car. Thanks.
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Old 12-07-2012, 11:25 PM   #3212
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Getting a new RB6. Been reading through the threads. It would be awesome to have a "sticky" at the beginning of this thread for some of the FAQ's.

Setup tips
Any parts that we should keep a spare on hand for?
etc.,.

Now....anything you would replace at the beginning after having the buggy for a while?

Also, trying to decide between rear motor and mid motor configuration. Track conditions.....well, when its wet it has traction and when its not it is loose!
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Old 12-07-2012, 11:39 PM   #3213
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1) exotek steering rack. Since everyone thinks they can break it. I haven't, and have 2 plastic racks and 1 alu rack sitting there looking dumb.
2) Rear hubs. They made these thicker with the RB6. Dont know if they still break.
3) If you get aluminium rear suspension hangers, get the white delrin ball ends.
4) I think most people are still using the default wide hangers. I use the narrower hangers - more rear grip out of corners.
5) If you put in the exotek alu rack you may end up breaking the steering arms instead. Exotek sell these in alu too. That means you'll be breaking something further up the chain, like your servo...


As for mid/rear motor, there's really only 3 times you'd go mid.
1) you're on astro or carpet
2) your clay track has super high traction
3) you're on outdoor loose dirt, have a 17.5 and are nuts.
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Old 12-07-2012, 11:41 PM   #3214
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Drawbacks to mid motor on a loose track?
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Old 12-07-2012, 11:41 PM   #3215
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Anyone have a painted body they would sale? Would be nice to have something until I can paint mine.
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Old 12-08-2012, 12:35 AM   #3216
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Quote:
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Anyone have a painted body they would sale? Would be nice to have something until I can paint mine.
I just saw one in the Classifieds. I think it was a finisher body custom painted.
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Old 12-08-2012, 02:42 AM   #3217
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Painted body looked really nice and has been 'sold'
If anybody else is selling one please PM me

Quote:
Originally Posted by sipaboy View Post
I just saw one in the Classifieds. I think it was a finisher body custom painted.
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Old 12-08-2012, 03:23 AM   #3218
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Quote:
Originally Posted by justicepool View Post
Drawbacks to mid motor on a loose track?
no rear grip?
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Old 12-08-2012, 06:49 AM   #3219
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Quote:
Originally Posted by silvalis View Post
no rear grip?
only if you don't know how to setup the car . my car works great in all conditions . here is my car on a low to med grip indoor clay track . my car is TQ in MM in the second spot is another RB6 in RM and in the fifth spot is an RB6 in MM as well the rest of the cars are AE and one TLR 22 in seventh spot . since i switched to MM the car has only gotten better. everyone has their own preference . good luck in however you decide to go .

http://www.youtube.com/watch?v=ZnT4owyK6Z0
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Old 12-08-2012, 06:50 AM   #3220
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Quote:
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no rear grip?
A buddy of mine is running an x factory and his car is strapped. Mid motor just takes a different setup approach.
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Old 12-08-2012, 06:52 AM   #3221
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finally get to see a rb6 on the track today.....stoked to check it out! I will be building my archaic rb5 wc in the meantime
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Old 12-08-2012, 09:10 AM   #3222
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Quote:
Originally Posted by Trevor Williams View Post
finally get to see a rb6 on the track today.....stoked to check it out! I will be building my archaic rb5 wc in the meantime
The WC is still dialed. It generates more mechanical grip than the rb6.
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Old 12-08-2012, 09:13 AM   #3223
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Quote:
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Drawbacks to mid motor on a loose track?
Mid motor generates less forward/on-throttle traction. So if you are in a super high traction environment where wheel spin can't be an issues, like a carpet or turf track, MM will dominate. If on a dirt or clay track that has lower levels of traction (compared to carpet), RM will produce faster lap times.
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Old 12-08-2012, 09:23 AM   #3224
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Raced my RB6 last night for first time after only running it 3 8min runs
Awsome car I finished 2nd overall, but a team Kyosho driver at my track set my car up before the main that thing was on rails, track was really ruff and it didn't get out of control one bit.
RF2 the thicker one
Rear Hinge pin holder from RB5 parts tree
No Shim under rear hinge pin holder
Ride height 24mm
0 deg toe
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Old 12-08-2012, 11:04 AM   #3225
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Sitting here getting my 6 all set up and with the gold rear springs and shock collars all the way up my ride height is way over 24 I want to run. Any ideas?
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