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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 11-12-2014, 12:42 AM   #11086
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You can certainly shim it out, but it shouldn't need more than .02mm at most, if it's really .5mm to 1mm then it sounds like something is wrong, perhaps a bearing out of place or missing. Which bearings are you using?
Thanks Jason. I realized that after I tightly mounted all screws to motor plate the slop was gone. My oversight. Thanks

On a related issue, I bought an aftermarket Yaiba motor plate for the rb6. It's 3mm thick rather than the stock 2mm plate. Two issues:

1. To run this plate where do I add a 1mm shim? My guess would be outside the brass collar on the top shaft?

2. The Yaiba motor plate has recessed motor mount holes for the motor screws which are cut on the side for rear motor assembly. When flipping it over for MM this recess is on the wrong side. I guess I could put a shim in the recess for the motor screws but wonder if this is just too funky to work properly. What a shame because it's damn pretty.
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Old 11-12-2014, 12:46 AM   #11087
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Thanks Jason. I realized that after I tightly mounted all screws to motor plate the slop was gone. My oversight. Thanks

On a related issue, I bought an aftermarket Yaiba motor plate for the rb6. It's 3mm thick rather than the stock 2mm plate. Two issues:

1. To run this plate where do I add a 1mm shim? My guess would be outside the brass collar on the top shaft?

2. The Yaiba motor plate has recessed motor mount holes for the motor screws which are cut on the side for rear motor assembly. When flipping it over for MM this recess is on the wrong side. I guess I could put a shim in the recess for the motor screws but wonder if this is just too funky to work properly. What a shame because it's damn pretty.
the jconcepts mount is 3mm and i dont shim anywhere. its a dope mount too. hella stiff.
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Old 11-12-2014, 01:19 AM   #11088
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phantom
X2 for the Phantom. Little funky looking but it grows on you. Highly functional as well.
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Old 11-12-2014, 07:04 PM   #11089
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Can any of you guys tell me where I can get low profile battery connectors. Not the ones connecting the battery to the ESC but the ones going into the battery itself. I have a couple of short packs and I need some low profile connectors for the application I'm doing on my buggy. The ones that come with the battery go straight up I need some that go to the side kinda like L shape not I shape.
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Old 11-12-2014, 07:18 PM   #11090
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Can any of you guys tell me where I can get low profile battery connectors. Not the ones connecting the battery to the ESC but the ones going into the battery itself. I have a couple of short packs and I need some low profile connectors for the application I'm doing on my buggy. The ones that come with the battery go straight up I need some that go to the side kinda like L shape not I shape.
I use these:

http://www.amain.com/TQ-Wire-4mm-Low...14mm-2/p238356
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Old 11-12-2014, 07:24 PM   #11091
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Thanks. That is exactly what I was looking for.
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Old 11-13-2014, 05:58 AM   #11092
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What bodies are guys running? I was looking at the Sweep Muzzle and Proline Phantom... Not overly concerned with the looks... But more performance stability.
Bulldog Gen3
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Old 11-13-2014, 12:47 PM   #11093
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Guys, looking at Zack Rogers's Setup, I'm trying to figure out which pills I need in RF (UMW705) and RR (UMW707) hangers - Mid Motor. Can anyone give it to me in english ? I thought I was a pretty smart person but the reference chart that comes with the hangars is blowing my mind


from a post i read earlier, I'm going with b-out on RF and RR, which i think is stock...

Last edited by tobamiester; 11-13-2014 at 01:29 PM.
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Old 11-13-2014, 01:50 PM   #11094
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I'm running D in/D in. I think most are too.
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Old 11-13-2014, 01:56 PM   #11095
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I'm running D in/D in. I think most are too.
yeah i think both are 3degree of toe, but different track width, right ?
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Old 11-13-2014, 03:31 PM   #11096
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yeah i think both are 3degree of toe, but different track width, right ?
Yeah Toby, it changes the track width
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Old 11-13-2014, 03:37 PM   #11097
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What spring rates are they running on that setup?

Dont want to spend $40 on springs!
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Old 11-13-2014, 05:59 PM   #11098
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yeah i think both are 3degree of toe, but different track width, right ?
Toby I'm also running d-in and d-in at critters and my car has been working pretty good.
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Old 11-13-2014, 06:43 PM   #11099
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Default battery straps?

What're the best after market straps for mm cars for shorty packs and saddles? Have two cars running both setups
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Old 11-13-2014, 06:45 PM   #11100
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Default Rogers setup...

Running D-in D-in as well
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