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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 10-11-2012, 09:22 AM   #1381
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@Brandon...I expect a video of initial launch to be posted!!
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Old 10-11-2012, 09:24 AM   #1382
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Got to see one of these in action last night. Man it looks dialed out of the box.
Crap load of steering and it had a grip load of power with a 13.5 in it..

Very nice.
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Old 10-11-2012, 09:26 AM   #1383
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Im having a tough time getting the car to rotate on power and even off power. I feel like I have to pitch it on the 180s to get any type of speed. On power exit I just go straight.

Im using Jason's setup with AKA Vektor fronts in Red and Rebars in Red.
How much rear toe are you running?
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Old 10-11-2012, 11:06 AM   #1384
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Originally Posted by Jason.Dias View Post
Does that tire combo work on your RB5 down there?

I made some more adjustments tonight and went even faster!

Started the night with the setup I posted:
http://mobile.liverc.com/results/?d=...K_BUGGY_NT.xml

Then for round 2 I made some adjustments to get the rear end to be a little more locked in after a 180 coming on power. I lowered the rear shock mount to the furthest inside hole. This helped and I went faster.
http://mobile.liverc.com/results/?d=...K_BUGGY_NT.xml

Then for the main I felt it was a little to stiff with the shocks down so I went to a softer spring in the rear, switched to gold rear springs, car was amazing for the mains. I was clicking off 19 second laps like it was nothing.
http://mobile.liverc.com/results/?d=...T_(A_Main).xml

Was on a 19 lap pace (which obliterates anytime a stock buggy has gone on that layout, only the good mod drivers or 4wds go 19 laps) but Kevin Smith and I started waiting for each other so we could race.

I'll make a new setup sheet for what I changed tonight and post it up.
Consensus at OC/RC is that you have to run Gold springs, on the previous layout to the one there now I noticed the rear of my car lifting off the ground on any little bump I was on. Switching to gold stopped that from happening and made the car better for obvious reasons. Thinking about West Coast either today for some practice and tuning, or tomorrow for racing. Are they changing the layout this weekend?
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Old 10-11-2012, 12:11 PM   #1385
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West Coast layout will change a week from Sunday, so about 11 days.
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Old 10-11-2012, 01:32 PM   #1386
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Hello guys!

I'm now an (hopefully happy) owner of a RB6. Got it yesterday but i haven't assembled it yet.

I bought everything i need: motor, ESC, car, batteries (2), pinion (20t, is it good for a 8.5T motor?) and tyres. Only thing i don't know how to do is the plugs parts... The ESC comes with "raw" wires and i don't know which plug to put on those wires... Any website/article to give me some hints?

P.S.: I'm a 1/8 nitro buggy pilot, so i don't understand a s*** about electric stuff!!

Thanks
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Old 10-11-2012, 01:37 PM   #1387
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if you get your electronics in place, instead of buying all the equipment and learning on the go (unless you want to), take it to your LHS, they should be able to help you wire it up for a few bucks
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Old 10-11-2012, 01:37 PM   #1388
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I also saw one running last night. It was smooth and amazing. I want one bad. I just got an ultima db and want to stay with kyosho. I like what I am seeing from Kyosho. I hope there footprint expands here in the US.
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Old 10-11-2012, 01:51 PM   #1389
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Originally Posted by Energyzer View Post
Hello guys!

I'm now an (hopefully happy) owner of a RB6. Got it yesterday but i haven't assembled it yet.

I bought everything i need: motor, ESC, car, batteries (2), pinion (20t, is it good for a 8.5T motor?) and tyres. Only thing i don't know how to do is the plugs parts... The ESC comes with "raw" wires and i don't know which plug to put on those wires... Any website/article to give me some hints?

P.S.: I'm a 1/8 nitro buggy pilot, so i don't understand a s*** about electric stuff!!

Thanks
8.5? I think 8.5 guys typically run a 22 or 23, somebody correct me if im wrong..

The esc usually gets directly soldered to the motor. A to A, B to B, and C to C. And last but not least, the sensor wire is just plugged in. The ESC gets plugged into the receiver, just like your servo. Once up and running, you need to learn how to calibrate your ESC/radio. Each manufacturer has their own steps for calibration.
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Old 10-11-2012, 02:22 PM   #1390
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Hey guys...

Does anyone tried the saddle configuration in rear motor layout? How does it compare to shorty or stick?
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Old 10-11-2012, 02:30 PM   #1391
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Quote:
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Quote:
Originally Posted by Cpt.America View Post
Busted the camera out tonight because I feel like we need even more RB6 Pron in this thread! I enjoy this stuff. I bet she will be as fast as she is good lookin
wish I could paint I started a body a couple days ago with rattle can and the paint is bad compound that with my lack of painting skill period and EPIC FAIL!
You could send me the body (or a new one, if this one is totally screwed up), and ill paint one for you. It wont be a work of art (I can't spend a crap load of time on it), but it will be relatively cool not unlike the one I have here. Just paypal me the cost for return shipping.

-cpt.
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Old 10-11-2012, 02:56 PM   #1392
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Hey guys...

Does anyone tried the saddle configuration in rear motor layout? How does it compare to shorty or stick?
Gonna start with the saddle friday night and see how it goes. posted pics earlier
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Old 10-11-2012, 02:57 PM   #1393
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Originally Posted by Cpt.America View Post
You could send me the body (or a new one, if this one is totally screwed up), and ill paint one for you. It wont be a work of art (I can't spend a crap load of time on it), but it will be relatively cool not unlike the one I have here. Just paypal me the cost for return shipping.

-cpt.
Thanks! I have someone to paint for me, but need a body for Friday. I was going to try to run a rb5 body, but thought what the heck...
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Old 10-11-2012, 03:12 PM   #1394
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West Coast layout will change a week from Sunday, so about 11 days.
At west coast now. Wow car is dialed and traction is crazy good....
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Old 10-11-2012, 03:15 PM   #1395
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good to hear....Clear the big triple yet...?
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