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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 09-15-2013, 12:12 PM   #8161
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Anyway you could post a picture of the outdrive and dog bone?
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Old 09-15-2013, 12:50 PM   #8162
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Quote:
Originally Posted by scr8pn4205 View Post
I just built my RB6 and ran for the first time today. Loving the car but I had an issue with the right rear out drive got chewed up by the dog bone. The kit came with UMW514/515 which I believe are the wide rear arm hangers and the shock dog bones are 65.5mm. My shocks measured 26.5mm from bottom of shock to top of long eyelet. Am I missing something or need different dog bones that are longer? thanks for the help
That setup shouldn't have messed anything up. Flip the car over and compress the rear arms make sure you didn't crack one by the inner hinge pin causing it to flex. That is all I can think of without seeing pics.
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Old 09-15-2013, 01:46 PM   #8163
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Default Running the new rear hangers with mid motor????

Does anybody have any feedback on the new hangers with the car in mid motor configuration?

What setting is everybody running with the new hangers in mid motor configuration?

Most I have spoke to are running B out/ B out which provides for 3 degrees of rear toe and some running .5 on the rear hubs making for 3.5 degrees of toe. Anyone try other settings to get the same 3 degrees of toe like c in / c in or any other set up to get about 3 to 3.5 degrees of toe?

Really what set up with the new rear hangers is working for mid motor ?

Advanced thanks for info!
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Old 09-15-2013, 02:59 PM   #8164
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Quote:
Originally Posted by Johnn27 View Post
Does anybody have any feedback on the new hangers with the car in mid motor configuration?

What setting is everybody running with the new hangers in mid motor configuration?

Most I have spoke to are running B out/ B out which provides for 3 degrees of rear toe and some running .5 on the rear hubs making for 3.5 degrees of toe. Anyone try other settings to get the same 3 degrees of toe like c in / c in or any other set up to get about 3 to 3.5 degrees of toe?

Really what set up with the new rear hangers is working for mid motor ?

Advanced thanks for info!
I set my car up with the narrowest possible setting and used .5 hubs and shorty pack sideways at the back. This is with the stock rear arms.
I did this for the most possible grip as this is my first mid motor car.

The car was fantastic, easy to drive and was still very stable when driven aggressively.

I let a few people drive it after the event and 2 of the guys now have my setup on their cars and a 3rd is working on getting a Rb6.

Dayton
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Old 09-15-2013, 03:38 PM   #8165
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Quote:
Originally Posted by 1armed1 View Post
I set my car up with the narrowest possible setting and used .5 hubs and shorty pack sideways at the back. This is with the stock rear arms.
I did this for the most possible grip as this is my first mid motor car.

The car was fantastic, easy to drive and was still very stable when driven aggressively.

I let a few people drive it after the event and 2 of the guys now have my setup on their cars and a 3rd is working on getting a Rb6.

Dayton
Sounds good that's what I just changed over to but with the 521arms and avid springs
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Old 09-16-2013, 11:59 AM   #8166
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Getting out of hobby. RB6 for sale. ran 4 packs through it. TONS of extra's. for example - TSR Products Gear Diff brand new included. Kyosho gun metal rear hangers WIDE brand new and also brand new narrow hangers. text me, 518-495-0703.
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Old 09-16-2013, 12:11 PM   #8167
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Hi, just looked at the RT6 photos at Neobuggy.net, and saw some interesting wheelhubs...

Anybody know how they work, and if the RB6 is gonna be getting them?

They look like some type of quick change hubs... wonder how the inside of the wheel actually looks like...

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Old 09-16-2013, 12:12 PM   #8168
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It is the same quick change setup the RT5 had and you will never see it on the RB6.
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Old 09-16-2013, 12:14 PM   #8169
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Those poor bearings!
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Old 09-16-2013, 01:01 PM   #8170
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I believe you can switch to hex if you don't want to use QR wheels.

If I get this truck, I am switching to 12mm hex.
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Old 09-16-2013, 01:03 PM   #8171
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I believe you can switch to hex if you don't want to use QR wheels.

If I get this truck, I am switching to 12mm hex.
I don't know. I would think that the truck would be pretty narrow that way unless you found a wheel that had enough offset to make up the difference.

I am not aware of anyone doing that on the RT5.
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Old 09-16-2013, 01:06 PM   #8172
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Originally Posted by Rfury View Post
I don't know. I would think that the truck would be pretty narrow that way unless you found a wheel that had enough offset to make up the difference.

I am not aware of anyone doing that on the RT5.
I usually wouldn't do this, but I have a bunch of 12mm hex wheels from my t4.2.

I'll give it a shot and measure the width...hopefully there won't be any problems.
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Old 09-16-2013, 01:25 PM   #8173
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Quote:
Originally Posted by Rfury View Post
I don't know. I would think that the truck would be pretty narrow that way unless you found a wheel that had enough offset to make up the difference.

I am not aware of anyone doing that on the RT5.
The off-set on the wheels is so great that just going to a hex setup would put you at almost the same width as the quick change setup. I know because I have a RT5...collecting dust.
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Old 09-16-2013, 01:29 PM   #8174
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The off-set on the wheels is so great that just going to a hex setup would put you at almost the same width as the quick change setup. I know because I have a RT5...collecting dust.
I had no idea. Did you use the T4.2 hex wheels? If so, that is great news and might be on my list of mods.
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Old 09-16-2013, 01:32 PM   #8175
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I had no idea. Did you use the T4.2 hex wheels? If so, that is great news and might be on my list of mods.
I still have the quick change on mine. Send cyoder#9 a pm as he did it to his truck and I am not sure what wheels he used. You could post the answer in the RT6 thread.

Ok, enough of the side talk about the truck. We shall resume talking about the buggy from here on out. Sorry.
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