R/C Tech Forums

Go Back   R/C Tech Forums > General Forums > Electric On-Road

Reply
 
Thread Tools Search this Thread
Old 07-05-2012, 04:56 PM   #1741
Tech Master
 
Join Date: Jun 2011
Location: Northeast GA
Posts: 1,685
Wink

Quote:
Originally Posted by SteveM View Post
My advice WRT the Sakura is based entirely on the 17.5 blinky class. I have not yet run my sedan in any other class. The sway bars might prove a useful tuning aid for the open mod class but for now I'm fine without them.
I have run 25.5 VTA and 21.5 USGT. they make a huge difference when used correctly. They are not strictly a mod class piece. Yes the car will perform great without them. No arguments on that point but it is even better with the proper use of the front and rear sway bar. I will make a stupid but very relevant comparison. When was the last time you saw a full size car without one? Especially a race car. Yea we are smaller and lighter but so are our sway bars and we deal with the same physics concerning weight transfer and suspension action. They sway bars do work. Even in the slower classes.
__________________
3Racing Sakura XI 17.5 TC
Formula Rabbit (FGX conversion) 21.5
STRC LCG 2WD Slash 17.5
Serpent S120 13.5
6376vette is offline   Reply With Quote
Old 07-06-2012, 04:49 PM   #1742
Tech Regular
 
rdcracer's Avatar
 
Join Date: Feb 2008
Location: Tampa Fl
Posts: 460
Trader Rating: 4 (100%+)
Default Veritcal motor mount

Steve M I figured all the grinding and such reversing the belts. My question is the top chassis plate. 2 of your pics it is missing and the last showing the servo mount mod has it on but you cant see how it is around the motor mount. Do you have to cut and grind the top plate to make it fit?
__________________
R & RC TIGHTWAD RACING
Where any price is too much.....

BMI 1/10 & 1/12 Copperhead
Scapel, Losi 22, Jammin SC10, Wraith
rdcracer is offline   Reply With Quote
Old 07-06-2012, 05:02 PM   #1743
Tech Champion
 
SteveM's Avatar
 
Join Date: Aug 2001
Location: Ottawa, Ontario, CANADA
Posts: 5,632
Trader Rating: 125 (100%+)
Default

Quote:
Originally Posted by rdcracer View Post
Steve M I figured all the grinding and such reversing the belts. My question is the top chassis plate. 2 of your pics it is missing and the last showing the servo mount mod has it on but you cant see how it is around the motor mount. Do you have to cut and grind the top plate to make it fit?
The stock top plate must have the center section widened and lengthened when using the vertical motor mount.
SteveM is offline   Reply With Quote
Old 07-06-2012, 07:12 PM   #1744
Tech Regular
 
rdcracer's Avatar
 
Join Date: Feb 2008
Location: Tampa Fl
Posts: 460
Trader Rating: 4 (100%+)
Default

Quote:
Originally Posted by SteveM View Post
The stock top plate must have the center section widened and lengthened when using the vertical motor mount.
Thats what I figured but didnt want t start cutting until sure. Thanks
__________________
R & RC TIGHTWAD RACING
Where any price is too much.....

BMI 1/10 & 1/12 Copperhead
Scapel, Losi 22, Jammin SC10, Wraith
rdcracer is offline   Reply With Quote
Old 07-06-2012, 07:22 PM   #1745
Tech Champion
 
SteveM's Avatar
 
Join Date: Aug 2001
Location: Ottawa, Ontario, CANADA
Posts: 5,632
Trader Rating: 125 (100%+)
Default

Quote:
Originally Posted by rdcracer View Post
Thats what I figured but didnt want t start cutting until sure. Thanks
I used my Dremel rotary tool with the small diameter sanding drum. I extended the slot in the middle of the brace another 1/2 inch or so, and only as wide as the sanding drum.
SteveM is offline   Reply With Quote
Old 07-06-2012, 07:26 PM   #1746
Tech Regular
 
rdcracer's Avatar
 
Join Date: Feb 2008
Location: Tampa Fl
Posts: 460
Trader Rating: 4 (100%+)
Default

Quote:
Originally Posted by SteveM View Post
I used my Dremel rotary tool with the small diameter sanding drum. I extended the slot in the middle of the brace another 1/2 inch or so, and only as wide as the sanding drum.
Thanks I am heading out to the garage now dremel in hand. Now is that cut twice and measure once
__________________
R & RC TIGHTWAD RACING
Where any price is too much.....

BMI 1/10 & 1/12 Copperhead
Scapel, Losi 22, Jammin SC10, Wraith
rdcracer is offline   Reply With Quote
Old 07-06-2012, 07:29 PM   #1747
Tech Champion
 
SteveM's Avatar
 
Join Date: Aug 2001
Location: Ottawa, Ontario, CANADA
Posts: 5,632
Trader Rating: 125 (100%+)
Default

Quote:
Originally Posted by rdcracer View Post
Thanks I am heading out to the garage now dremel in hand. Now is that cut twice and measure once
Right. Just go slow and trial fit as you go.
SteveM is offline   Reply With Quote
Old 07-07-2012, 04:56 PM   #1748
Tech Regular
 
buckeye dan's Avatar
 
Join Date: Nov 2011
Location: hicksville ohio
Posts: 365
Trader Rating: 8 (100%+)
Default new zero s

I just put my zero on carpet track for first practice. All i can say is love it,sold my Corally rdx thank god i did. Zero seemed very balanced have 125k in front diff 5 k in rear diff. Track owner seems a lil skeptible says he thinks it could be odd ball . lol well maybe i will have to be my own hobby store but heck i can buy extra car for parts.
wonder how people will feel when i beat them with 120 dollar car lol..
only thing i noticed was a slight push on corner entry but it sure did dig hard coming out of corner.
i am trying to learn more onsway bars and how and when to use them . any ideas?
buckeye dan is offline   Reply With Quote
Old 07-07-2012, 06:09 PM   #1749
Tech Regular
 
aquito's Avatar
 
Join Date: May 2006
Location: Oceanside CA
Posts: 264
Default

Hey guys quick question. The pitch on the pinion gear for the Sakura is 64p right? I'm gonna be running a brushless 3200kv motor on stock spur gear..what size pinion gear should I use? Will be using the car for drifting and just playing around parking lots..thanks
aquito is offline   Reply With Quote
Old 07-07-2012, 07:34 PM   #1750
Tech Apprentice
 
Join Date: Dec 2008
Location: Chicago, IL
Posts: 92
Trader Rating: 12 (100%+)
Default

The pitch on the spur gear included is 48. Don't what pinion to try but I would start around 25. That would give you a 6.08 FDR. Just watch your temps after 5 min or so.
x3inchesx is offline   Reply With Quote
Old 07-07-2012, 10:18 PM   #1751
Tech Regular
 
aquito's Avatar
 
Join Date: May 2006
Location: Oceanside CA
Posts: 264
Default

48p is the size of the 1/10 off roads like traxxas and AE? because i have some spares
aquito is offline   Reply With Quote
Old 07-07-2012, 10:50 PM   #1752
Tech Regular
 
rdlkgliders's Avatar
 
Join Date: Feb 2006
Location: So. Cal High Desert Hobbies
Posts: 458
Trader Rating: 21 (96%+)
Default

does anyone know if the front or rear suspension mounts (brackets) fit on the xray t3 11 & 12 chassis?
__________________
Serpent, KO Propo, Viper, Savox, ProTek
Team Waldorf Racing

Your not lapping me, you just caught up to me again!!!
rdlkgliders is offline   Reply With Quote
Old 07-08-2012, 02:31 AM   #1753
Tech Master
 
Join Date: Jun 2011
Location: Northeast GA
Posts: 1,685
Default

Quote:
Originally Posted by buckeye dan View Post
I just put my zero on carpet track for first practice. All i can say is love it,sold my Corally rdx thank god i did. Zero seemed very balanced have 125k in front diff 5 k in rear diff. Track owner seems a lil skeptible says he thinks it could be odd ball . lol well maybe i will have to be my own hobby store but heck i can buy extra car for parts.
wonder how people will feel when i beat them with 120 dollar car lol..
only thing i noticed was a slight push on corner entry but it sure did dig hard coming out of corner.
i am trying to learn more onsway bars and how and when to use them . any ideas?
Glad you like the sakura. Its not an odd ball they all work great Some people get upset but most will ask you more about the car. You will probably see a few more pop up. This chassis has done tons to bring in people that cant afford a new xray. They can spend less and be just as fast. It is a great car.

I always recommend that people learn to tune what you have first. Get a solid understanding of the rest of the suspension, how it works, and how changes affect the car. If you add sway bars right away they can make the learning curve steeper and more confusing.

Sway bars are a quick way to increase or decrease traction at either end of the car. The changes are not as apparent as a spring change though. They are meant for finer tuning. Instead of changing the springs and shock oil you can go a step harder or softer on the sway bar. If you have a decent car but you want a little more steering then you can either soften the front bar or stiffen the rear bar. What you do to one end will affect the other. The sway bars basically tie the right side of the car to the left side of the car. When you turn and compress the outside suspension the other side of the bar will pull the inside arm up thus lowering the inside of the chassis thus changing the traction characteristics by keeping the center of gravity lower and controlling the chassis roll. The stiffer the bar the more the inside arm is pulled up and the less the chassis rolls.

The sway bars will be affected by springs shock oil ride height and droop. You really need to understand now these things work before you add the bars.

Probably not the best explanation of how they work but I hope it helps a little. They do work extremely well. For example I needed more center turn steering tonight. I had a very stiff front sway bar on the car. I went from the #5 bar to the #4 and finally to the #2 and I ended up with the steering I wanted without messing with the shocks.

As a general rule that occasionally gets broken I try to keep my front bar equal to or stiffer than the rear. A softer front usually ends up with some funky handling characteristics.
__________________
3Racing Sakura XI 17.5 TC
Formula Rabbit (FGX conversion) 21.5
STRC LCG 2WD Slash 17.5
Serpent S120 13.5
6376vette is offline   Reply With Quote
Old 07-08-2012, 06:12 AM   #1754
Tech Regular
 
buckeye dan's Avatar
 
Join Date: Nov 2011
Location: hicksville ohio
Posts: 365
Trader Rating: 8 (100%+)
Default

thanks for info vette I do have a decent understanding of how suspension affects car handling . i also use the xxxmain set up book, the only thing in the setup book says front toe out increases intial turn in and decreases exit turn and other places i have read the opposite.i tend to believe front toe out decreases intial toe turn in and increases exit turn.I may buy the sway bars and put the softest ones on just to try and see what it does .Most guys at our track use no sway bars , they say vta needs to be loose suspension ,but i am open to new ideas . thanks again
buckeye dan is offline   Reply With Quote
Old 07-08-2012, 06:43 AM   #1755
Tech Addict
 
Join Date: Apr 2011
Posts: 616
Trader Rating: 58 (100%+)
Default

Quote:
Originally Posted by buckeye dan View Post
thanks for info vette I do have a decent understanding of how suspension affects car handling . i also use the xxxmain set up book, the only thing in the setup book says front toe out increases intial turn in and decreases exit turn and other places i have read the opposite.i tend to believe front toe out decreases intial toe turn in and increases exit turn.I may buy the sway bars and put the softest ones on just to try and see what it does .Most guys at our track use no sway bars , they say vta needs to be loose suspension ,but i am open to new ideas . thanks again
You have a PM
MC112b is offline   Reply With Quote
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
Sakura Zero - New Touring Car! InZane Electric On-Road 1355 02-14-2014 05:14 PM
New to the RC scene...need some help! Jmoney12 Rookie Zone 13 06-15-2010 10:21 AM



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off



All times are GMT -7. It is currently 02:48 AM.


Powered By: vBulletin v3.9.2.1
Privacy Policy | Terms of Use | Advertise Content © 2001-2011 RCTech.net

SEO by vBSEO 3.5.0