Go Back  R/C Tech Forums > General Forums > Electric Off-Road
Kyosho Ultima RB6 & RB6.6 Car Thread >

Kyosho Ultima RB6 & RB6.6 Car Thread

Like Tree42Likes

Kyosho Ultima RB6 & RB6.6 Car Thread

    Hide Wikipost
Old 12-21-2016, 08:46 AM   -   Wikipost
R/C Tech Forums Thread Wiki: Kyosho Ultima RB6 & RB6.6 Car Thread
Please read: This is a community-maintained wiki post containing the most important information from this thread. You may edit the Wiki once you have been a member for 90 days and have made 90 posts.
 
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

Print Wikipost

Reply

Old 10-06-2012, 10:14 AM
  #1141  
Tech Elite
iTrader: (91)
 
savageboy69's Avatar
 
Join Date: Dec 2006
Location: Pasco,WA
Posts: 4,040
Trader Rating: 91 (100%+)
Default

when i did my shocks i just used one of the big id washers ( like for the axles) and slid it over the bushing and snugged it to the shock, fits nice, no play
savageboy69 is offline  
Reply With Quote
Old 10-06-2012, 10:22 AM
  #1142  
Tech Apprentice
iTrader: (2)
 
Join Date: Nov 2010
Posts: 71
Trader Rating: 2 (100%+)
Default

I too was wondering why they reverted back to the old slipper. I run a hybrid slipper assembly; white pad and non-vented plate in the rear and the red pad with the vented disc up front, I also use the WC spring retaining washers. This set up provides the most consistency I've found. Finally drove the buggy last night, and I have to say, it is awesome. Stuck to the track and has good steering out of the box. I have added 14g of weight behind my servo (KO low profile) and the car rotated incredibly well. Can't wait to race it tonight.... Just FYI, I am pretty much running tebo's nat set up, with a few minor changes.
Entr0phy is offline  
Reply With Quote
Old 10-06-2012, 10:36 AM
  #1143  
Super Moderator
Thread Starter
iTrader: (52)
 
Cpt.America's Avatar
 
Join Date: Mar 2009
Location: Washington State
Posts: 11,083
Trader Rating: 52 (100%+)
Default

Originally Posted by jpcopeland1 View Post
Mine were on the tree with the old useless plastic Hexes. But loose in the bag.
All-be-damned... there they are. Two tiny little plastic things. How disappointing! Im going to have to go buy another WC slipper assembly for my RB6. Thanks for finding those in my bag for me

Another thing that just amazes me, is how far off the cut lines are on the front of the body! I never use body clips, I always use velcro, so I just cut the entire front piece of the body off. Much better.
Cpt.America is offline  
Reply With Quote
Old 10-06-2012, 11:13 AM
  #1144  
Tech Elite
iTrader: (14)
 
t8rtot's Avatar
 
Join Date: Nov 2008
Posts: 2,010
Trader Rating: 14 (94%+)
Default

I think the t-nut for my diff wasn't included.. Only bag left is the shocks and I've looked thru them.. Any other brand that will fit for now?

I'm contacting Kyosho America, but I want to get this thing out of the living room today
t8rtot is offline  
Reply With Quote
Old 10-06-2012, 11:34 AM
  #1145  
Tech Elite
iTrader: (142)
 
Join Date: Aug 2010
Location: Anaheim Ca.
Posts: 4,144
Trader Rating: 142 (100%+)
Default

Originally Posted by t8rtot View Post
I think the t-nut for my diff wasn't included.. Only bag left is the shocks and I've looked thru them.. Any other brand that will fit for now?

I'm contacting Kyosho America, but I want to get this thing out of the living room today
The actual nut? or the whole thing including the white thingie it goes into? Durango has the correct size nut you need. Hope you know of a local dealer who stocks Durango parts. All of my diff stuff came in one bag.
jpcopeland1 is offline  
Reply With Quote
Old 10-06-2012, 11:37 AM
  #1146  
Tech Regular
iTrader: (15)
 
fastestwon's Avatar
 
Join Date: Oct 2006
Location: michigan USA
Posts: 258
Trader Rating: 15 (94%+)
Default

Originally Posted by Cpt.America View Post
All-be-damned... there they are. Two tiny little plastic things. How disappointing! Im going to have to go buy another WC slipper assembly for my RB6. Thanks for finding those in my bag for me

Another thing that just amazes me, is how far off the cut lines are on the front of the body! I never use body clips, I always use velcro, so I just cut the entire front piece of the body off. Much better.
FYI guys Avid has a slipper unit in the works for this transmission . like the triad system . thats what i am going to wait for
fastestwon is offline  
Reply With Quote
Old 10-06-2012, 01:18 PM
  #1147  
Tech Elite
iTrader: (142)
 
Join Date: Aug 2010
Location: Anaheim Ca.
Posts: 4,144
Trader Rating: 142 (100%+)
Default

Originally Posted by fastestwon View Post
FYI guys Avid has a slipper unit in the works for this transmission . like the triad system . thats what i am going to wait for
I built one for my brother B4 last night, It is very nice. All they need to go is change the holes. Shouldn't take long at all.
jpcopeland1 is offline  
Reply With Quote
Old 10-06-2012, 01:44 PM
  #1148  
Tech Master
iTrader: (37)
 
John.C's Avatar
 
Join Date: Aug 2009
Location: The track
Posts: 1,302
Trader Rating: 37 (100%+)
Default

I'm new to electric offroad. Are we to drill small holes in the front wheels? The rear wheels had 2 holes pre-drilled. I'm pretty sure I do but wanted to make sure. Also, I ordered and received front tires (Sweep 10Droids) that are intended for 4wd buggies. They fit on the wheels fine. Can I run theses? I'll be racing on a med/high bite indoor clay track.
John.C is offline  
Reply With Quote
Old 10-06-2012, 01:57 PM
  #1149  
Tech Elite
iTrader: (142)
 
Join Date: Aug 2010
Location: Anaheim Ca.
Posts: 4,144
Trader Rating: 142 (100%+)
Default

Originally Posted by John.C View Post
I'm new to electric offroad. Are we to drill small holes in the front wheels? The rear wheels had 2 holes pre-drilled. I'm pretty sure I do but wanted to make sure. Also, I ordered and received front tires (Sweep 10Droids) that are intended for 4wd buggies. They fit on the wheels fine. Can I run theses? I'll be racing on a med/high bite indoor clay track.
Not the best choice of tire I would think for indoor clay, I would have gone either Gold Bar Codes or V1. clay compound Scrubs. As far as the tire size. You can run them if your track or club doesn't adhere to any types of rules such as no boost on speed control if running blinky mode in stock spec class, weight, car width (those tires will make your car illegal width wise in the front). Things like that. I only drill holes in my rims if I am running closed cell foams in the front which I am finding I am doing less and less these days. If you see that your tires seem to have a balloon shape to them, or feel like they are full of air, the easiest thing to do would be to take a body reamer and make small holes in the rim to let the air escape. I don't punch holes in my tires anymore due to the fact that it seems to disintegrate Closed cell foams much faster then I would like.
jpcopeland1 is offline  
Reply With Quote
Old 10-06-2012, 02:40 PM
  #1150  
Tech Master
iTrader: (91)
 
Join Date: Feb 2007
Posts: 1,505
Trader Rating: 91 (100%+)
Default

Originally Posted by t8rtot View Post
I think the t-nut for my diff wasn't included.. Only bag left is the shocks and I've looked thru them.. Any other brand that will fit for now?

I'm contacting Kyosho America, but I want to get this thing out of the living room today
It's in a square white plastic sprue, pictured in this link
Or you can use the alloy t-nut for the Tamiya diff if you want to upgrade
Eric Tomczyk is offline  
Reply With Quote
Old 10-06-2012, 06:41 PM
  #1151  
Tech Regular
iTrader: (18)
 
Join Date: Jun 2008
Location: San Jose, CA
Posts: 423
Trader Rating: 18 (100%+)
Default

Went a little different route and made the window one piece instead of two. What do you think?
SAGISI is offline  
Reply With Quote
Old 10-06-2012, 06:51 PM
  #1152  
Tech Prophet
iTrader: (1087)
 
Join Date: Dec 2009
Location: Tega Cay, SC / Charlotte
Posts: 15,979
Trader Rating: 1087 (100%+)
Default

Originally Posted by t8rtot View Post
I think the t-nut for my diff wasn't included.. Only bag left is the shocks and I've looked thru them.. Any other brand that will fit for now?

I'm contacting Kyosho America, but I want to get this thing out of the living room today
I have a bunch of them if you need one...
bigwavedave33 is online now  
Reply With Quote
Old 10-06-2012, 07:10 PM
  #1153  
Tech Elite
iTrader: (14)
 
t8rtot's Avatar
 
Join Date: Nov 2008
Posts: 2,010
Trader Rating: 14 (94%+)
Default

Guys I appreciate the help, my 5yr old thought the whole piece looked good as a take in her doll house.

Crisis averted.

I'll have pics up tomorrow
t8rtot is offline  
Reply With Quote
Old 10-06-2012, 07:45 PM
  #1154  
Tech Master
iTrader: (27)
 
Join Date: Nov 2007
Posts: 1,001
Trader Rating: 27 (100%+)
Default

Was thinking of getting this buggy but I race stock normally. I hav a ton of money tied up in my rb5 and it's awesome. Do you think this is more of a mod car Cause of its weight?
C_Money is offline  
Reply With Quote
Old 10-06-2012, 07:54 PM
  #1155  
Tech Elite
iTrader: (14)
 
t8rtot's Avatar
 
Join Date: Nov 2008
Posts: 2,010
Trader Rating: 14 (94%+)
Default

its roller weight is within a few grams of the 22.. That's lighter than the 210.. I say it should be fine. I'll let you know in one week if you haven't purchased by then
t8rtot is offline  
Reply With Quote

Thread Tools
Search this Thread

Contact Us Archive Advertising Cookie Policy Terms of Service