161LikesKyosho Ultima RB6 & RB6.6 Car Thread
12-21-2016, 08:46 AM - Wikipost
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07-25-2018, 03:18 AM
Tech Adept
Originally Posted by ceh329
Hi all, hey I’m going to setup my RB6.6 using the 4 gear mid. I’ve been running on a loose dirt track and many of the faster drivers for AE and Losi are running mid not lay down. I want to give it a try. So my question is how do I mount my motor fan? In lay down there is room on the chassis but not when running mid stand up.
thanks!
thanks!
07-25-2018, 06:55 AM
Originally Posted by nitro-rob
What motor are you running? What are your temps like without it? Do you really need a fan? If you are running on low grip loose conditions you don’t need a lot of motor. I mentioned earlier that shapeways has a fan motor mount.
07-25-2018, 12:06 PM
Tech Adept
Originally Posted by lowdoughracer
The track I'll be running is having us run the Hobbywing Justock and locked timing 17.5 motor as a spec class. Do you think I would need a fan on the motor with that combination? It's a medium sized low grip dirt track. I know in on road they are almost running a fan on the motor when running a 2s battery, but didn't know if it would be different in 2wd buggy.
07-25-2018, 05:03 PM
Are you running fans on the speed controls automatically? Or does that follow the same lines as the motor? Is there much of a difference in how people mount the electronics in the chassis? Would you mount them different based on running on a low grip direct track versus something that is a lot higher?
07-25-2018, 09:52 PM
Tech Regular
I run stock 17.5T both 2wd and 4wd buggies, and also 21.5T touring car and F1, and don't need fans on the ESC, just on the motor in the 4wds. From what I can gather the motors are stressed in stock and thats where you have the heat problems, but in mod the ESC that gets hot and the motors have it relatively easy. With the slower motors you are so far under the limits of what the ESC can handle that there aren't any problems.
Most ESC should have thermal cutoff so you won't damage them, they should just shutdown.
As always, its best to run it and check the temps to be sure. All sorts of things come into play like ambient temperature on the day etc
Most ESC should have thermal cutoff so you won't damage them, they should just shutdown.
As always, its best to run it and check the temps to be sure. All sorts of things come into play like ambient temperature on the day etc
07-26-2018, 12:14 AM
Tech Adept
Originally Posted by lowdoughracer
Are you running fans on the speed controls automatically? Or does that follow the same lines as the motor? Is there much of a difference in how people mount the electronics in the chassis? Would you mount them different based on running on a low grip direct track versus something that is a lot higher?
It sounds like you are nowhere near needing any fans. Good. Less to worry about
07-27-2018, 08:48 PM
Tech Addict
It really depends on your electronics. The juststock tends to get warm is 17.5 2wd. I would probably run a fan on it. For a fixed timing motor, you won’t be able to use timing, (which is what creates most of the heat) so probably no fan there. For a timed motor, you will want a fan so that you can push your motor and go faster!
07-30-2018, 10:28 AM
Are there any good resources to read about what adjustments are most effective on the chassis as well as finding suggested setups for loose dirt track conditions?
07-30-2018, 10:43 AM
Originally Posted by lowdoughracer
Are there any good resources to read about what adjustments are most effective on the chassis as well as finding suggested setups for loose dirt track conditions?
Yes, this is a great resource and provides information based on track and surface type.
Kyosho Ultima RB6 & RB6.6 Setup Sheets
Let us know if you found it helpful and which adjustments you found most effective.
08-01-2018, 04:40 PM
Hello,
What has been your experience using sway bars on the RB6.6 car?
Are they better suited for certain tracks, like dirt or carpet?
What has been your experience using sway bars on the RB6.6 car?
Are they better suited for certain tracks, like dirt or carpet?
08-21-2018, 07:02 AM
Received my RB6.6 the other day. It's sitting on the bench waiting for parts and electronics before I build. This is my first race worthy RC unless I count my TA-07. After the build I might look for a local club to start actually racing with. I've only "competed" one Mini-Z race before.. other than that I've been a basher for the last ten or so years
Thank you all for the informative thread... Yes I read the whole thing.. I kind of like to know what I'm getting into before I buy.
Thank you all for the informative thread... Yes I read the whole thing.. I kind of like to know what I'm getting into before I buy.
08-22-2018, 04:46 PM
Hello,
Can you folks help me decipher the RB6.6 set up sheet?
Kyosho RB6.6 - Shaun Thompson - Mansfield - 14.09.2016
The car is awesome, but the instructions are a little spare on guidance and steps for set ups and how changes affect handling.
The set up sheet has some clear items, but in general is not intuitive at all. Your help is much appreciated.
Can you folks help me decipher the RB6.6 set up sheet?
Kyosho RB6.6 - Shaun Thompson - Mansfield - 14.09.2016
The car is awesome, but the instructions are a little spare on guidance and steps for set ups and how changes affect handling.
The set up sheet has some clear items, but in general is not intuitive at all. Your help is much appreciated.
08-22-2018, 04:52 PM
Here is another visual
08-22-2018, 05:22 PM
What is it about the setup sheet you have questions about?
Even though it doesn't say, I can tell this is a carpet setup with a hot motor for an experienced driver.
Even though it doesn't say, I can tell this is a carpet setup with a hot motor for an experienced driver.
08-22-2018, 06:11 PM
Originally Posted by oPAULo
What is it about the setup sheet you have questions about?
Even though it doesn't say, I can tell this is a carpet setup with a hot motor for an experienced driver.
Even though it doesn't say, I can tell this is a carpet setup with a hot motor for an experienced driver.
Please pardon my being a noob in this instance, but reading this thread is my first ever hearing about set-up sheets, using off-road buggies on carpet, mid motor buggoes and 17.5 setups being considered fast... Lol. Ive never raced before, and I want to try it out.
Can you tell me how you can read this and know it's a carpet setup? My only guess is the high traction part would be a giveaway.
