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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 02-10-2015, 09:28 PM   #11671
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Quote:
Originally Posted by potatobed409 View Post
Which chassis does the newer kits come with?
The standard one, but with the updated holes.
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Old 02-10-2015, 09:30 PM   #11672
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Originally Posted by 3srcracing View Post
For low traction tracks, I'm better off having a shorter rear camber link to give me more rear traction? For some reason I thought it was long but I was reading through the B5M manual and read that shorter should help it square up faster and give you more traction. Better for low traction. Is this correct? OR am I better having long for low traction?

Also moving the hubs from middle to forward position, what would that do?

A shorter link will make the rear end stiffer with less camber gain so it will square up faster, which is another term for turn better. Going too long will make the car too loose as it will dump over too much.

Going hubs forward will give you less rotation in a corner but more forward bite.
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Old 02-10-2015, 09:55 PM   #11673
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Tried it tonight, way better! Was able to bring steering up to 80%, and it was pretty dialed. I think at our other track this setup would be amazing with 100% steering..

Driver errors only. Car was hooked up.
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Old 02-11-2015, 12:55 AM   #11674
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Any idea when this buggy will get refreshed?
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Old 02-11-2015, 11:10 AM   #11675
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Quote:
Originally Posted by Rgonzalez View Post
Take a look at Tebos Reedy Race car pics. Shows everything needed in detail.



Do you have a link for tebo's reedy buggy pics?
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Old 02-11-2015, 11:29 AM   #11676
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Originally Posted by yodace View Post
Do you have a link for tebo's reedy buggy pics?
You can find a few at liverc add the usual . C o m
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Old 02-11-2015, 04:20 PM   #11677
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Originally Posted by yodace View Post
Do you have a link for tebo's reedy buggy pics?
Pic at bottom of setup sheet

http://www.petitrc.com/setup/kyosho/...ace2015012125/
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Old 02-12-2015, 04:11 PM   #11678
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Default Kit= carbon composite or plastic components

It may have been asked or well known by others but does the kit come with carbon composite or plastic parts? Thanks.
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Old 02-12-2015, 04:34 PM   #11679
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Plastic
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Old 02-14-2015, 07:07 PM   #11680
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hello. I am trying to run a stock class. Got the 17.5 and need some gearing help. thanks again.
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Old 02-14-2015, 07:12 PM   #11681
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Anyone ever limiters in the shocks?
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Old 02-14-2015, 07:25 PM   #11682
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Quote:
Originally Posted by katoom007 View Post
hello. I am trying to run a stock class. Got the 17.5 and need some gearing help. thanks again.
Kyosho sell a 69 tooth spur that can be swapped with their mod spur. Use that and a pinion in the 29-34 tooth range I would say.

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Anyone ever limiters in the shocks?
The car has so little I was going to unscrewing the eyelets a little bit more. Maybe on a very fast carpet track?
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Old 02-14-2015, 08:13 PM   #11683
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Thanks panda
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Old 02-15-2015, 12:12 AM   #11684
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Anyone ever limiters in the shocks?
Yes I like to run a thin limiter in all my shocks to keep a small amount of oil under the piston at full extension preventing the piston from sticking. I use the ones from the rb5 small bore shocks I think, they are white about 0.5 thick and have a small outer diameter (about 6mm).

Overal I have been increasing droop on my car of late with the longer ball ends, long front and medium rear, previously was medium and short. Plus the extra droop from the arm mod.
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Old 02-15-2015, 11:34 AM   #11685
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Quote:
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Yes I like to run a thin limiter in all my shocks to keep a small amount of oil under the piston at full extension preventing the piston from sticking. I use the ones from the rb5 small bore shocks I think, they are white about 0.5 thick and have a small outer diameter (about 6mm).

Overal I have been increasing droop on my car of late with the longer ball ends, long front and medium rear, previously was medium and short. Plus the extra droop from the arm mod.
Interesting, does it stick for you? I'm curious where the piston sits at full plunge. Adding internal limiters would use more shock.
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