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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 10-03-2012, 08:17 AM   #961
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Default Starting setup

I'm getting ready to start building and am looking for a little advice. I see a few setups around, but they are all for mod. Starting with Tebo's Nats setup(which is for outdoor mod), what changes would you guys make for a starting setup for running 17.5 on a medium sized indoor clay track. I know this is speculation, but I don't really have much experience in 2WD buggy.
Thanks
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Old 10-03-2012, 08:21 AM   #962
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Originally Posted by fredswain View Post
Now this I find funny. You were an early critic of my balance tuning method going so far as to ask why I thought my method was possibly better than using the setups that the pros developed and here you are using it after all.

If anyone wants to know how to do it, look at the "Tuning with Camber Links" thread. It's not some top secret tuning method.
No, I wasn't.. and nobody said it was top secret, and I have been doing it for YEARS. Actually, I think I first read of the technique in RC car action magazine a decade ago or more ago... What I criticized you on, was your backwards theory on roll center's affect on weight transfer (which you are obviously still butt hurt about), and how far you need to go to corner balance a car (which you agreed with me on). Why don't you go troll somewhere else...damn troll. Next time send a PM if you have an issue with me, don't troll our thread.

Now.. back to discussion on the RB6.
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Last edited by Cpt.America; 10-03-2012 at 09:14 AM.
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Old 10-03-2012, 08:33 AM   #963
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I have looked for an outdoor mod base set up......is petit RC the best source.
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Old 10-03-2012, 08:39 AM   #964
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Originally Posted by joecool View Post
Went all out to build the best kit possible. I'll post a pic when it's all done.
How do you like the new KO Radio as opposed to the Eurus?
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Old 10-03-2012, 08:48 AM   #965
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For those running stock blinky mode, does the weight of the car worry you?
At 1620g this is the 2nd heaviest buggy in the big four-

Dex210- 1650g
RB6- 1620g
B4.1-1535g
22- 1500g

Having driven the car at wcrc I did feel the weight of the car, had a hard time clearing the triple. Whereas the b4.1 had a much easier time clearing it.
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Old 10-03-2012, 08:48 AM   #966
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Originally Posted by savageboy69 View Post
work on a wheel wiggle in the air, flattens your buggy right out, just a quick turn right and left, if you work on it pretty soon it becomes second nature and you just do it without thinking about it
Wont be whipping the RB6 anytime soon. Need to get used to it, so much smoother then the B4.1 was which could be whipped at will.... Mostly a show boating thing.
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Old 10-03-2012, 09:01 AM   #967
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Originally Posted by GuiltyByAssoc View Post
For those running stock blinky mode, does the weight of the car worry you?
At 1620g this is the 2nd heaviest buggy in the big four-

Dex210- 1650g
RB6- 1620g
B4.1-1535g
22- 1500g

Having driven the car at wcrc I did feel the weight of the car, had a hard time clearing the triple. Whereas the b4.1 had a much easier time clearing it.
I'd have to ask what electronics were in the car and if a shorty was used in the weighing of the 22..
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Old 10-03-2012, 09:02 AM   #968
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Quote:
Originally Posted by CanyonCarverR1 View Post
I'm getting ready to start building and am looking for a little advice. I see a few setups around, but they are all for mod. Starting with Tebo's Nats setup(which is for outdoor mod), what changes would you guys make for a starting setup for running 17.5 on a medium sized indoor clay track. I know this is speculation, but I don't really have much experience in 2WD buggy.
Thanks
The setup you will likely run between an outdoor track and an indoor clay track, will likely be pretty different.

I actually change less on my setup going back and forth from stock to mod buggy than most drivers, so I wouldn't worry about that too much. The only thing I normally recommend right off the bat, is running a little more rear wing when running mod, as you will be coming into the sweeper off the straight a bit hotter... But it kind of depends on the track. All the indoor tracks here are small enough where you are basically hitting and landing the jumps at the same pace. 90% of the time/speed difference between stock and mod, is done on the straight. (on my tracks).
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Old 10-03-2012, 09:05 AM   #969
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could you guys that have driven both the 22 and the b4.1worlds car please tell me what the main diff is and why i should buy this car over the other two thanks James
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Old 10-03-2012, 09:06 AM   #970
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Quote:
Originally Posted by GuiltyByAssoc View Post
For those running stock blinky mode, does the weight of the car worry you?
At 1620g this is the 2nd heaviest buggy in the big four-

Dex210- 1650g
RB6- 1620g
B4.1-1535g
22- 1500g

Having driven the car at wcrc I did feel the weight of the car, had a hard time clearing the triple. Whereas the b4.1 had a much easier time clearing it.
What are the weights of the 4 rolling chassis?
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Old 10-03-2012, 09:12 AM   #971
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Quote:
Originally Posted by GuiltyByAssoc View Post
For those running stock blinky mode, does the weight of the car worry you?
At 1620g this is the 2nd heaviest buggy in the big four-

Dex210- 1650g
RB6- 1620g
B4.1-1535g
22- 1500g

Having driven the car at wcrc I did feel the weight of the car, had a hard time clearing the triple. Whereas the b4.1 had a much easier time clearing it.
My RB6 came in at 1538g with a shorty pack and shorty servo.
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Old 10-03-2012, 09:13 AM   #972
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Originally Posted by Cpt.America View Post
What are the weights of the 4 rolling chassis?
my rb6 was 758g no electronics, body or tires
my 22 was 755g with the same configuration
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Old 10-03-2012, 09:15 AM   #973
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I like it.
Thanks guys
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Old 10-03-2012, 09:18 AM   #974
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Originally Posted by noproblems209 View Post
my rb6 was 758g no electronics, body or tires
my 22 was 755g with the same configuration
Doesn't get much closer than that, yeah?
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Old 10-03-2012, 09:27 AM   #975
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Originally Posted by Cpt.America View Post
Doesn't get much closer than that, yeah?
nope...

i'll weigh my rb6 with the electronics this evening
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