As some of you know, Quantified Performance signed on as one of the sponsors on the Twisted Frog No Prep dragster. OKO is our driver.
We are proud of this young man and the efforts he and his dad are putting forth.- QP
Hi it’s OKO
My dad and I are preparing for the biggest race of the year, King Of The Streets also known as KOTS in Las Vegas April 21st to the 23rd. All three days of action will be on YouTube for anyone who wants to watch all the action live.
One of the things we are testing is the final drive ratio.
This is the output of the power to the ground. It is measured by the spur gear that’s attached to the gear box and the pinion attached to the motor and is combined with the internal gear ratio of the gearbox and the diameter of the tires.
We make changes by adjusting the size of the pinion and spur gears. Currently we are running 8.5 as the final drive ratio or FDR. This is achieved with a 100 tooth spur gear and 30 tooth pinion and an internal gearbox with a 2.55 gearing. I will also be testing a 100 tooth spur gear and 29 tooth pinion to give us a FDR of 8.79. This 3% change can be the difference between winning or losing, or worse…burning up your electronics. We made two passes using the same tune with each of these final drive ratios. Then we were able to take analyze the data and information we collected using a GPS tracking device which tells me the acceleration, speed, and time to travel a set distance. In 1/10th scale No Prep Racing, the track is usually 132 feet long.
This allowed me and my dad to understand better what FDR I will need to run in Vegas with my Maclan Electronics and my new Five Star Hobby Strip chassis that I named Nevra.
After looking at the information we collected, it looks like we want to have the hugest top speed possible. This means we are going to use the 100/30 spur and pinion combo with the 8.55 FDR. If I am able to make it all the way to Sunday for finals day, we will likely change to the 100/29 spur and pinion with a FDR of 8.79 because the track will become very sticky and I will need the little bit of extra torque to break out of the start line.
Next we will be testing the new Maclan Team Edition battery. I am very excited to represent everyone that participates in the Quantified Performance events.
Thank You OKO
