CS Ratio/ FDR's/ Overdriver Percentage Calculator

Discussion for anything counter-steer RC drifting!

CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby tokeyo83 » Fri Jun 18, 2010 5:01 am

Made this a while ago, got it from MIRO (thank you :up: ) and added my own pictures (pulleys, spur, and pinion :lol: ), Front & Rear FDR's, CS FDR, Spur/Pinion Ratio, and the Overdrive Percentage (fixed by QuangVuong :up: )


Now includes 3 Belt Chassis'

CS Ratio(Revised).rar

Update May 21 2011
You do not have the required permissions to view the files attached to this post.
"there are no stupid questions, just stupid people"
User avatar
tokeyo83
Banned and Dumb
 
Posts: 551
Joined: Wed Jan 06, 2010 2:23 am
Location: Artesia, Ca
Drift Chassis: HB Cyclone TC-H / Yokomo MR4-TC DP (WIP)

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby stuffcc » Fri Jun 18, 2010 9:48 am

By keepsake, it's MIRO who had made it :idea:
Thanks to him, and you :up:
Image
- Blog - YT channel -
"I try to do as well as brand made"
"Drifting sux, RC Drifting's better !"
"(RC) Drifting made my life"
User avatar
stuffcc
Still Turns In
Still Turns In
 
Posts: 277
Joined: Sun Jan 17, 2010 1:59 am
Location: FRANCE
Drift Chassis: TAMIYA TA05 VDF-FBD CS1,76

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby tokeyo83 » Fri Jun 18, 2010 10:42 am

stuffcc wrote:By keepsake, it's MIRO who had made it :idea:
Thanks to him, and you :up:


thanks :D
"there are no stupid questions, just stupid people"
User avatar
tokeyo83
Banned and Dumb
 
Posts: 551
Joined: Wed Jan 06, 2010 2:23 am
Location: Artesia, Ca
Drift Chassis: HB Cyclone TC-H / Yokomo MR4-TC DP (WIP)

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby pecker » Thu Jul 01, 2010 4:41 am

Thanks for the excel ratio sheet..I hope you guys can give your comment...


CS Internal OVERDRIVE PERCENTAGE
2.14 213.54%

Gear Ratio CS FDR
2.692307692 5.749198718

I'm just to know the root of these term..
User avatar
pecker
What's CS?
What's CS?
 
Posts: 7
Joined: Sun Jan 24, 2010 6:17 pm
Location: malaysia, putrajaya
Drift Chassis: TAO5 Square SP

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby stuffcc » Thu Jul 01, 2010 7:45 am

I'm out (Slipper Clutch...) :lol:
Image

The CS/Rear FDR will maybe don't stay like that (maybe put a 24T Pinion to have a 6,5 rear FDR...)


Very pratical ! O:)
Image
- Blog - YT channel -
"I try to do as well as brand made"
"Drifting sux, RC Drifting's better !"
"(RC) Drifting made my life"
User avatar
stuffcc
Still Turns In
Still Turns In
 
Posts: 277
Joined: Sun Jan 17, 2010 1:59 am
Location: FRANCE
Drift Chassis: TAMIYA TA05 VDF-FBD CS1,76

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby Calzone » Sat Jul 03, 2010 2:53 am

Image

Have to add an 18T pinion to get 6,49 FDR, but i tried that and my electronics got freakin hot, not really ideal i think.
Calzone
Still Turns In
Still Turns In
 
Posts: 329
Joined: Sat Jan 30, 2010 6:29 am
Location: The Netherlands
Drift Chassis: TA05ERxCCCS

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby tokeyo83 » Sat Jul 03, 2010 11:33 am

Calzone wrote:Image

Have to add an 18T pinion to get 6,49 FDR, but i tried that and my electronics got freakin hot, not really ideal i think.


what are you running now? and does it run cooler?
"there are no stupid questions, just stupid people"
User avatar
tokeyo83
Banned and Dumb
 
Posts: 551
Joined: Wed Jan 06, 2010 2:23 am
Location: Artesia, Ca
Drift Chassis: HB Cyclone TC-H / Yokomo MR4-TC DP (WIP)

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby Calzone » Sun Jul 04, 2010 3:19 am

i now run the stock TA05 gearing again(22T pinion). Not sure, but i thought the motor stayed cool with the 22T, but the ESC got hot like hell.
Calzone
Still Turns In
Still Turns In
 
Posts: 329
Joined: Sat Jan 30, 2010 6:29 am
Location: The Netherlands
Drift Chassis: TA05ERxCCCS

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby ILoveMy350z » Sun Oct 31, 2010 11:57 am

i cannot open your attachment for cs-ratio.rar
how can i view this?
thanks
A practitioner is someone who practices until they get it right, A perfectionist is someone who practices until they never get it wrong.....
ILoveMy350z
Still Turns In
Still Turns In
 
Posts: 111
Joined: Fri Oct 15, 2010 7:49 am
Location: usa florida
Drift Chassis: yokomo sdw

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby stuffcc » Sun Oct 31, 2010 12:41 pm

Maybe because you don't have the software for open it, for me and other guyz where I've sent the link, no problems...
Image
- Blog - YT channel -
"I try to do as well as brand made"
"Drifting sux, RC Drifting's better !"
"(RC) Drifting made my life"
User avatar
stuffcc
Still Turns In
Still Turns In
 
Posts: 277
Joined: Sun Jan 17, 2010 1:59 am
Location: FRANCE
Drift Chassis: TAMIYA TA05 VDF-FBD CS1,76

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby danhfvcsd » Sun Oct 31, 2010 3:38 pm

Head over to download.com and download the trial version for winzip =)
Yokomo DRB 100% CS
Image
User avatar
danhfvcsd
Still Turns In
Still Turns In
 
Posts: 423
Joined: Sun Apr 18, 2010 2:53 pm
Location: Gold Coast - Australia
Drift Chassis: Yokomo DRB

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby Skodes » Mon Nov 22, 2010 4:05 am

Just downloaded this to check my own calculations as I wasn't certain how to work out the CS percentage. As it happens I was right, as I should be after RC'ing for this long, but the reason I was confused to begin with was because a lot of people seem to work it out differently.

What I - and the downloaded spreadsheet - worked out to be 153%, some people would seem to consider only 53%. Surely the countersteer percentage (%CS) should be worked out 'relative' to the front wheels (153%) and not simply 'faster than' the front wheels (53%). To me the "109% CS" in the chap above's signature would mean the rears are only spinning 9% faster than the fronts, so I would term it 209% CS. I can see that the 53% or 109% is the 'overdrive' percentage, fair enough, but it can get confusing when half the people here use one method and half use the other. ,-|

I mean I can understand both ways, but I guess what my mini-rant is really asking is; why aren't we all singing from the same hymn sheet? :lol:
Image
Mirror mirror, on, the wall. Who is the top Dogg of them all?
There was a rubble dubble, five minutes it lasted. The mirror said; "You are you conceited bastard".
User avatar
Skodes
What's CS?
What's CS?
 
Posts: 16
Joined: Sun Oct 24, 2010 10:29 am
Location: Nottingham, England
Drift Chassis: Pro4 50/50 & Pro4 153% W.I.P

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby danhfvcsd » Mon Nov 22, 2010 4:13 am

numbers and i are serious enemies, so i stay as far away from them as i can -lol- All i am gonna say without confusing myself, is that i see it as being 109% faster than it was i spose? But mainly cause it's just what i am used to now i guess -lol-

i sorta thought most people were doing it like i have anyway?
Yokomo DRB 100% CS
Image
User avatar
danhfvcsd
Still Turns In
Still Turns In
 
Posts: 423
Joined: Sun Apr 18, 2010 2:53 pm
Location: Gold Coast - Australia
Drift Chassis: Yokomo DRB

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby Skodes » Mon Nov 22, 2010 4:53 am

Yeah I can see why you might say 109%, the rears travel 109% faster than the front. It's just that on my travels around YouTube and various forums etc I've seen people quote the countersteer percentage both ways. Some say 109% and some would say 209%.

For example my Pro4 with Yokomo 1.5 CS gears when they arrive. I downloaded the file in the first post and put all my numbers in, and the percentage value I get is 153%, but using your method (and I'm not saying there's anything wrong with it that way) it'd be 53%.

I just thought it was a bit curious that there are two ways of putting it was all. So I figured I'd confuse everyone... :P lol
Image
Mirror mirror, on, the wall. Who is the top Dogg of them all?
There was a rubble dubble, five minutes it lasted. The mirror said; "You are you conceited bastard".
User avatar
Skodes
What's CS?
What's CS?
 
Posts: 16
Joined: Sun Oct 24, 2010 10:29 am
Location: Nottingham, England
Drift Chassis: Pro4 50/50 & Pro4 153% W.I.P

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby tokeyo83 » Mon Nov 22, 2010 6:21 am

Skodes wrote:What I - and the downloaded spreadsheet - worked out to be 153%, some people would seem to consider only 53%. Surely the countersteer percentage (%CS) should be worked out 'relative' to the front wheels (153%) and not simply 'faster than' the front wheels (53%).


that's how i got the CS percentage for the calculator. anything under 100% is referring to the rear wheel doing one complete rotation. *-|
"there are no stupid questions, just stupid people"
User avatar
tokeyo83
Banned and Dumb
 
Posts: 551
Joined: Wed Jan 06, 2010 2:23 am
Location: Artesia, Ca
Drift Chassis: HB Cyclone TC-H / Yokomo MR4-TC DP (WIP)

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby meiji mrs » Mon Nov 22, 2010 6:23 am

how bout a 3 belt system as in the E4 n nitro cars

standard spec
rear - center .............. center - middle, middle - front
35 - 17 .............. 17 - 17 , 17 - 35

what if i change the center - middle pulleys, lets say 14 - 20 ?
or if i change full front setup 14 - 20, 14 - 38
how to calculate the gearing then

for those who still dont get the picture, E4 front driven by side pulley
it goes like this
SPUR SHAFT - center 17T - SIDE BELT - middle 17T - MIDDLE SHAFT - middle 17T - FRT BELT - front 35T
thanks, im juz a noob
meiji mrs
What's CS?
What's CS?
 
Posts: 8
Joined: Tue Oct 12, 2010 11:10 am
Location: teganu, malaysia
Drift Chassis: E4JR, e-NTC3, ARD R2

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby Sir Slide Alot » Mon Nov 22, 2010 7:00 am

Side belt ratio multiply with front belt ratio.

so to use your example 17/17*35/17=2.059

Lets say you change the side belt rear pulley 14 front 20.

20/14*35/17=2.94
...Why so much smoke... Because drift car...
User avatar
Sir Slide Alot
Still Turns In
Still Turns In
 
Posts: 155
Joined: Tue Nov 09, 2010 8:03 am
Location: Belgium
Drift Chassis: Yokomo DRB

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby QuangVuong » Thu Dec 09, 2010 2:36 am

The CS ratio calculator from here calculates the wrong CS ratio.

It does Front Internal / Rear Internal x 100. This calculates the wrong CS percentage.

It should be ( (Front Internal - Rear internal) / Rear Internal ) x 100.

Well I fixed the calculator and it works properly.

CS Ratio(Revised).zip

EDIT: Update on my next post . Includes 3 belt calculator
Last edited by QuangVuong on Thu Dec 16, 2010 5:15 am, edited 1 time in total.
Image

CS'd Yokomo MR4TC-BD 67% - Reedy Stockstar and Novak GT7 - Bluebird BMS-630MG - GT3B

CS'd Tamiya TA-05F(Fijon) 100% - EZrun 9T 35A Brushless System - Futaba BLS451 - GT3B
User avatar
QuangVuong
Rally Style Drifting
Rally Style Drifting
 
Posts: 56
Joined: Tue May 18, 2010 11:54 pm
Location: Villawood, Sydney
Drift Chassis: Yokomo MR4TC BD, Tamiya TA-05F(Fijon), HPI Pro D

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby tokeyo83 » Mon Dec 13, 2010 4:17 am

QuangVuong wrote:The CS ratio calculator from here calculates the wrong CS ratio.

It does Front Internal / Rear Internal x 100. This calculates the wrong CS percentage.

It should be ( (Front Internal - Rear internal) / Rear Internal ) x 100.

Well I fixed the calculator and it works properly.

CS Ratio(Revised).zip



thanks :D
"there are no stupid questions, just stupid people"
User avatar
tokeyo83
Banned and Dumb
 
Posts: 551
Joined: Wed Jan 06, 2010 2:23 am
Location: Artesia, Ca
Drift Chassis: HB Cyclone TC-H / Yokomo MR4-TC DP (WIP)

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby QuangVuong » Mon Dec 13, 2010 12:39 pm

No worries. Will be updating again for a 3 belt chassis.
Image

CS'd Yokomo MR4TC-BD 67% - Reedy Stockstar and Novak GT7 - Bluebird BMS-630MG - GT3B

CS'd Tamiya TA-05F(Fijon) 100% - EZrun 9T 35A Brushless System - Futaba BLS451 - GT3B
User avatar
QuangVuong
Rally Style Drifting
Rally Style Drifting
 
Posts: 56
Joined: Tue May 18, 2010 11:54 pm
Location: Villawood, Sydney
Drift Chassis: Yokomo MR4TC BD, Tamiya TA-05F(Fijon), HPI Pro D

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby tokeyo83 » Mon Dec 13, 2010 1:50 pm

QuangVuong wrote:No worries. Will be updating again for a 3 belt chassis.


:lol: i was working on one

hopefully it's correct :lol:

3 Belt CS Calculator
cs-ratio for 3 belt chassis.rar
"there are no stupid questions, just stupid people"
User avatar
tokeyo83
Banned and Dumb
 
Posts: 551
Joined: Wed Jan 06, 2010 2:23 am
Location: Artesia, Ca
Drift Chassis: HB Cyclone TC-H / Yokomo MR4-TC DP (WIP)

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby QuangVuong » Thu Dec 16, 2010 5:13 am

I think your CS internal is right, but the CS percentage isnt.

Well I used you table and fixed the percentage. It should be correct this time. *-|

CS Ratio(Revised).zip
Image

CS'd Yokomo MR4TC-BD 67% - Reedy Stockstar and Novak GT7 - Bluebird BMS-630MG - GT3B

CS'd Tamiya TA-05F(Fijon) 100% - EZrun 9T 35A Brushless System - Futaba BLS451 - GT3B
User avatar
QuangVuong
Rally Style Drifting
Rally Style Drifting
 
Posts: 56
Joined: Tue May 18, 2010 11:54 pm
Location: Villawood, Sydney
Drift Chassis: Yokomo MR4TC BD, Tamiya TA-05F(Fijon), HPI Pro D

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby tokeyo83 » Thu Dec 16, 2010 1:30 pm

To The Top :lol: Again Thanks QuangVuong
"there are no stupid questions, just stupid people"
User avatar
tokeyo83
Banned and Dumb
 
Posts: 551
Joined: Wed Jan 06, 2010 2:23 am
Location: Artesia, Ca
Drift Chassis: HB Cyclone TC-H / Yokomo MR4-TC DP (WIP)

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby beetledrift » Sat Jan 29, 2011 4:06 pm

Thanks for making this excel sheet, it's helpful :up:

I am currently making a topic on our dutch forum, where I explain everything about CS.
If you guys don't mind, I will post this excel sheet there :D
User avatar
beetledrift
Rally Style Drifting
Rally Style Drifting
 
Posts: 40
Joined: Fri Jan 28, 2011 4:57 pm
Location: netherlands
Drift Chassis: Tamiya TRF415 MSX MRE

Re: CS Ratio/ FDR's/ Overdriver Percentage Calculator

Postby tokeyo83 » Sat Jan 29, 2011 5:18 pm

go for it :D
"there are no stupid questions, just stupid people"
User avatar
tokeyo83
Banned and Dumb
 
Posts: 551
Joined: Wed Jan 06, 2010 2:23 am
Location: Artesia, Ca
Drift Chassis: HB Cyclone TC-H / Yokomo MR4-TC DP (WIP)

Next

Return to General Discussion

Who is online

Users browsing this forum: Bing [Bot] and 1 guest

cron