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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 09-02-2013, 10:07 AM   #8056
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Originally Posted by kes7u View Post
Alright. I have a bit of a conundrum. I am building my rb6 kit, and haven't built a kit since my original Losi JRX2. I used a regular pair of coarse pliers when building the front turnbuckles, along with a turnbuckle wrench. All of the front plastic pieces are fairly well scuffed from the pliers. Certainly usable, but a little bit ugly. I subsequently build the rears using a wrench on the plastic parts. They turned out beautifully! Now. Do I give in to vanity and go back and rebuild the fronts with new plastic pieces? I can always use the current ones as back ups.

Kevin
I would but I go a bit overboard on making sure my cars look good.
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Old 09-02-2013, 10:24 AM   #8057
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I would too just because I like my cars looking good and ballcups are such a crucial part of the car I don't take any chances where their strength could be compromised.
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Old 09-02-2013, 10:32 AM   #8058
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Originally Posted by kes7u View Post
Alright. I have a bit of a conundrum. I am building my rb6 kit, and haven't built a kit since my original Losi JRX2. I used a regular pair of coarse pliers when building the front turnbuckles, along with a turnbuckle wrench. All of the front plastic pieces are fairly well scuffed from the pliers. Certainly usable, but a little bit ugly. I subsequently build the rears using a wrench on the plastic parts. They turned out beautifully! Now. Do I give in to vanity and go back and rebuild the fronts with new plastic pieces? I can always use the current ones as back ups.

Kevin
Use a dremmel sanding bit and work out some scruffs on the ball cups to save money, the ball cups aren't bad or weak, just scratched.
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Old 09-02-2013, 04:02 PM   #8059
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Ran the car at a hard packed outdoor track, learned how important tires are! The car worked really well when I made the right tire choice, but for some reason in the main I had no rear bite. A few locals ran mid motor and did well.
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Old 09-02-2013, 04:24 PM   #8060
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I just ordered up a RB6......gonna try out mid motor..looking forward to it.....

I just got an Mp9e TKi and its pretty nice......

I've been die hard team associated for a long time......curious to see how the build goes!
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Old 09-02-2013, 04:32 PM   #8061
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Originally Posted by MikeXray View Post
Ran the car at a hard packed outdoor track, learned how important tires are! The car worked really well when I made the right tire choice, but for some reason in the main I had no rear bite. A few locals ran mid motor and did well.
You prob ran the wrong tires for the main. Vineland gets slippery at night. You have to go back to where you started the day. I ran handlebars in round 3 and went back to impacts for the mains.
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Old 09-02-2013, 04:52 PM   #8062
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Originally Posted by Jason Snyder View Post
I just ordered up a RB6......gonna try out mid motor..looking forward to it.....

I just got an Mp9e TKi and its pretty nice......

I've been die hard team associated for a long time......curious to see how the build goes!
It is a little harder to build than a b4.2 but you will be able to tell right away how much higher quality it is. You will love it I know I did!
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Old 09-02-2013, 05:03 PM   #8063
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Originally Posted by Fred Perkins View Post
You prob ran the wrong tires for the main. Vineland gets slippery at night. You have to go back to where you started the day. I ran handlebars in round 3 and went back to impacts for the mains.
Yup, that's what I was thinking, with the long break and cooler temps, even though it was blown off well, it seemed a bit more slick. If I had went back to holeshots I prob would have been fine.
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Old 09-02-2013, 07:40 PM   #8064
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Quote:
Originally Posted by Fred Perkins View Post
You prob ran the wrong tires for the main. Vineland gets slippery at night. You have to go back to where you started the day. I ran handlebars in round 3 and went back to impacts for the mains.


Fred's dead on. At this track you typically have 3-4 setups.

Practice
Rd 1&2
Rd 3
Mains

Setups can be just tires or totally different changes. To give you an example, I ran the following

practice - Green Flipouts w/ open cell foam & 8175 M3 fronts
Rd 1 - super soft impacts (1 run on them) w/open cell foam & 8175 M3 fronts
Rd 2 - super soft impacts (2 runs on them) w/open cell foam & 8175 M3 fronts
Rd 3 - super soft Handlebars (STD new) w/ closed cell foam & soft handlebars w/ 3/4 rear insert fronts
Mains super soft impacts (new) w/open cell foam & 8175 M3 fronts

I also made a few setup changes along the way to take traction away. I reversed them AFTER rd 3. If you ever are in doubt, always go with a M3/M4 Holeshot. The newer the better.
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Old 09-02-2013, 08:16 PM   #8065
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The RB6 is just to amazing!
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Old 09-02-2013, 11:13 PM   #8066
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The RB6 is just to amazing!
+1
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Old 09-04-2013, 02:32 AM   #8067
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+1
got it built? I thought mine was way better than the Losi SCT i built quality wise. The shocks are oh are so smooth as well
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Old 09-04-2013, 02:46 AM   #8068
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Old 09-04-2013, 08:41 AM   #8069
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I just put a mid motor together and would like to see some pics of how you arranged it under the shell.
Thanks.
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Old 09-04-2013, 09:00 AM   #8070
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Originally Posted by Frank L View Post
I just put a mid motor together and would like to see some pics of how you arranged it under the shell.
Thanks.
Frank , check out pics of Hara's mid motor, sideway shorty battery reedy car!

http://2wdmod.com/2013/02/06/haras-r...edy-race-2013/
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