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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 04-27-2013, 07:58 AM   #6436
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Quote:
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Nope... esc fits under the rear bulkhead, and reciever on top of the rear battery brace.
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Old 04-27-2013, 09:42 AM   #6437
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ok, I will look into this.
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Old 04-27-2013, 03:26 PM   #6438
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Anyone have good pictures they can post of a MM layout using a shorty battery with minimal modifications & custom parts? Don't want to invest in saddle packs and am curious to try the MM layout. Snowmobile and motorcycle design in recent years have focused their attention on the theory of mass centralization for better performance. It certainly makes sense for RC cars as well...
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Old 04-27-2013, 05:19 PM   #6439
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Save your lunch money guys, red and black hangers in stock in 1 week! Rm, rm2, mm and mm2 thx, m
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Old 04-27-2013, 06:13 PM   #6440
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Save your lunch money guys, red and black hangers in stock in 1 week! Rm, rm2, mm and mm2 thx, m
Awesome.
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Old 04-27-2013, 07:44 PM   #6441
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Originally Posted by E73 View Post
Anyone have good pictures they can post of a MM layout using a shorty battery with minimal modifications & custom parts? Don't want to invest in saddle packs and am curious to try the MM layout. Snowmobile and motorcycle design in recent years have focused their attention on the theory of mass centralization for better performance. It certainly makes sense for RC cars as well...
Go back like 2 or 3 pages. I posted mine, plus there's 2 more dudes that posted there's as well.
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Old 04-27-2013, 07:53 PM   #6442
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Just finished practice. Buggy feels good. Now time for the heats
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Old 04-27-2013, 08:26 PM   #6443
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MM race day down, wasn't great to start, ended up throwing all the rear bite I could at it, and it ended up pretty good. It transistions very well, but honestly wasn't any better on the rest of the track, and a bit sketchy in a few spots. I think with the warm weather and the track struggling to hold moisture its probably not the best time to experiment.
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Old 04-27-2013, 09:06 PM   #6444
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Lol wtf. First heat I lost a ball stud. Thats right it.... Never seen that one before. My 1 and only lap was 1 second faster
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Old 04-27-2013, 09:10 PM   #6445
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Lol wtf. First heat I lost a ball stud. Thats right it.... Never seen that one before. My 1 and only lap was 1 second faster
You are the only person I know who can Neuter a car in one lap
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Old 04-27-2013, 09:21 PM   #6446
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Last race I ripped a ball stud outta the rear hub. First part broken
But might been a good thing.. Put me in the c-main and I got to battle my way up and bump out. Extra races at no cost = win for the wallet
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Old 04-27-2013, 09:21 PM   #6447
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Where from wildcat? If it was the inner camber link, did you remember to put the grub screws in the empty holes?
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Old 04-27-2013, 09:29 PM   #6448
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Yes inside rear and the empty holes are grub screwed. I put a nut underneath. But I lost it . So I used tlr ballstuds.
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Old 04-27-2013, 09:31 PM   #6449
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Default RB6

Had trouble with rear traction on my mod (8.5) RB6 in the quals, so broke out the stock (17.5 boosted). Looking to find info/discussion on tires. I spend alot of time on setup and fear I have neglected tires(the most important part of setup). Right now racing mostly indoor medium traction (clay, clay/topsoil mix).

Any suggestions.

I did change gearing on the 8.5. I had a 76 spur and went to 82. My stock buggy is just as fast as my mod at the top end, just don't have the grunt needed for some jumps on some of the tracks I run. Need to learn how to harness the 8.5 power.

Turbo
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Old 04-27-2013, 10:27 PM   #6450
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Finished round 2. 2 seconds off my b4 best lap. 2 seconds off my top 5 also
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