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what if I have a 128t spur gear??? (^_^)
The problem has been addressed! Thanks!
cool!
http://www.rcdrift.ru/forum/showthread.php?t=20614 – other nice CS calc
what about for shaft driven chassis? i like the old converter
Shaft driven chassis CS calculator works the same way as 2 belt calculator.
Hi , I wonder which one is better to calculate the FDR
some people use CS Ratio to calculate FDR, but another people use only Rear Ratio to calculate FDR, so it became Rear FDR
especially in my country Indonesia this issue has been known to become hot debate between RC drifters, since each method resulting significant difference and really confusing among us
sorry for bad english 😀
Hi,
In my opinion, there is no better or worse for calculating FDR. Because FDR number tells you the theoretical torque and speed available with your current gear ratio. I say theoretical because with hard compound drift tires, it would be difficult to get enough grip to hit top speeds.
I can understand why some people like using rear ratio to calculate FDR because that will yield your maximum speed/torque rating of your OVER-DRIVEN wheels. Which is what will tell you how much speed or torque you have at the rear wheels, without any care of the front wheels, since the rears spin faster.
Personally we use CS ratio to calculate FDR. Since CS ratio is relativity of front to rear differential speeds, that way we take both front and rear gear ratios into account. This is how we calculate all of our cars so its the method we choose to use.
Both methods work and yield different numbers, but those are just numbers if they are not relative to anything. The important thing is that everyone you play rc drift with does it the same way, that way there is a constant value you can use to compare between everyone.
I’ve stumbled upon same question when developing my Countersteer Calculator iOS app.
FDR based on CS Ratio makes no sense. For stock 50/50 TA05-VDF and TA05-v2 it would result in same number, but actually, VDF’s stock internal drive ratio is higher – 18/36 vs. 16/36 of v2, and it needs higher ratio on motor gears to have same torque.
I’ve settled on rear FDR formula, since it represents a more overdriven, and always-running (opposed to front one-way) axle, and therefore has greater impact on motor temperature and chassis smoothness. I like my Rear FDR 5.5 to 6.0 – with 10.5T motor it results in decent top speed, great torque even on carpet, and motor is hardly warm even when after hours of sliding
P.S. My app gets updated tomorrow – i’ve added HiRes graphics for The New iPad’s retina display 😉
Experts, what spur gear do you recommend for a Sakura D3 running a 10.5t motor and revenoutton pro esc. Thanks in advance, I’m tired of playing with calculators and what to hear about experiences.
Check on our forum for advice and setups http://forum.driftmission.com
Thanks
It the pinion you should change a 18t
any recommended for E4d MF Pro cs ratio?
Check on our forum for advice and setups http://forum.driftmission.com
Hi may i know where can i get different pulleys for TA 06?
i want to know, how to calculate the final drive for trf 416? and what final drive is suitable.? this is because my motor get hot faster. i convert it to cs 1.83
thanks
105t spur 30t pinion
any recommended for E4D cs ratio?
how much drive its running on E4D 2 or 3
SJ OTA R31
Gearing:
40/12
22/12
21/36
CS Ratio: 3.56
CS Percentage: 256
CS FDR: 11.79
CS 3.56….. not recomended for newbie
Hi there, could someone help me, I have a Schumacher Mi1 I have a 86 spur, a 22 pinion and my secondary gearing is 36 tooth and 20 tooth does anyone know how to put that in the table above or can someone work out what my final drive is form those figures I just cant seem to grab the formula or equation – please help 🙁
its that for touring or drift??
Im running 5.5t motor w/ 60A esc (xerun) what is the best pinion n spur gear to use? Can someone please advise..thankx!
the question is?? what chassis? and its running on 2 belt drive or 3 belt drive
Hi DM i have a sakura d3 so what cs its great for drift? i have a 80T and 23T of piñon and i have a speed passion 3500kv 😉