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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 11-10-2012, 10:03 AM   #2506
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Quote:
Originally Posted by nitroargi View Post
The rounded one...it's in the manual
Thanks, I couldn't find it in the manual.
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Old 11-10-2012, 02:22 PM   #2507
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Originally Posted by gelshocker View Post
Hey guys those of you using RSx one10, do you use both 1mm and 2mm shin on the servo mounts (it measures 13.8mm so would merit both shims according to manual). Seems kinda tight though, servo won't lay flat. I think just 2mm is enough? Thanks,
I used both shims, no issue
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Old 11-10-2012, 02:24 PM   #2508
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Anybody else have any videos of their cars running? Seem to be very few on YouTube.
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Old 11-11-2012, 12:09 PM   #2509
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Guys, are AKA tyres good in 1/10 scale? I feel they are the best in 1/8, but can't say anything about 1/10 as i haven't tried them yet.

For carpet (high traction) what do you advise me to use?
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Old 11-11-2012, 01:17 PM   #2510
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Originally Posted by Energyzer View Post
Guys, are AKA tyres good in 1/10 scale? I feel they are the best in 1/8, but can't say anything about 1/10 as i haven't tried them yet.

For carpet (high traction) what do you advise me to use?
Use whatever tire yields the best lap times at your track, brand be damned.
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Old 11-11-2012, 10:16 PM   #2511
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Anybody here using the short Ko Propo servo noticing you need weight in the front end to keep it from pushing? When I used the WTS Orion battery I didn't have the problem. Now that I am running shorties, the front feels way too light and I have push. I have put 14grams on the end of the servo which seems to help a little bit, but the front end still seems to want to not dig in as it did when the full length Lipo was there. Weight was farther forward then with the Orion XS Carbon Pro lipo.
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Old 11-11-2012, 10:21 PM   #2512
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Originally Posted by kdub View Post
Yes, it's ready for release in the next week to 10 days. We have a new topshaft that has smaller flats to fit the existing Triad slipper kits. The adjustment nut changes to a 5.5mm hex M3 nut.
Did DesertRacerDad ever get his topshaft? Im interested in seeing how much, if any the Triad will help because my brother is switching to Kyosho from AE, and I can take one of his Triads off either his T4.1 or B4.1 all I need is the top shaft.
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Old 11-11-2012, 10:30 PM   #2513
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Quote:
Originally Posted by Jason.Dias View Post
37.5wt front, 32.5wt rear is a good starting point with the stock pistons.
Still pink and gold springs, or move back to the reds for the rear?
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Old 11-11-2012, 10:31 PM   #2514
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Originally Posted by jpcopeland1 View Post
Did DesertRacerDad ever get his topshaft? Im interested in seeing how much, if any the Triad will help because my brother is switching to Kyosho from AE, and I can take one of his Triads off either his T4.1 or B4.1 all I need is the top shaft.
I heard he did. Testing this week.
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Old 11-11-2012, 10:34 PM   #2515
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Originally Posted by goin2drt View Post
I heard he did. Testing this week.
Here is to hopeing good things, My brother really likes the Triad on his B4.1, just he is over Associated cars and wants something better.
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Old 11-11-2012, 10:37 PM   #2516
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Dias ran the new Triad tonight on his RB6 as well. It worked great for him.
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Old 11-11-2012, 10:48 PM   #2517
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Dias ran the new Triad tonight on his RB6 as well. It worked great for him.
His car looked off the hook.
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Old 11-11-2012, 10:50 PM   #2518
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Quote:
Originally Posted by Energyzer View Post
Guys, are AKA tyres good in 1/10 scale? I feel they are the best in 1/8, but can't say anything about 1/10 as i haven't tried them yet.

For carpet (high traction) what do you advise me to use?
The new formula AKA tires and tread patterns are supposed to be really good. Will have to wait and see how they perform at the Thanksgiving race at OC/RC when they debut.
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Old 11-11-2012, 10:59 PM   #2519
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Originally Posted by jpcopeland1 View Post
Did DesertRacerDad ever get his topshaft? Im interested in seeing how much, if any the Triad will help because my brother is switching to Kyosho from AE, and I can take one of his Triads off either his T4.1 or B4.1 all I need is the top shaft.
I did and i am looking forward to running it at WCRC tomorrow afternoon...
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Old 11-11-2012, 11:53 PM   #2520
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Originally Posted by jpcopeland1 View Post
The new formula AKA tires and tread patterns are supposed to be really good. Will have to wait and see how they perform at the Thanksgiving race at OC/RC when they debut.
They have new tires coming?
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