[New Record] The Frog Hits 45.5km/h! Max Motor Timing and Gyro Stabilization

The Frog

I set out to beat my previous record of 41.1 km/h.

This session focused on balancing raw power with improved handling stability.

Here is the report on my latest high-speed run with “The Frog.”

Enhancing Stability with a Gyro Unit

The latest specs of the The Frog, ready for a full-throttle sprint.

To reduce wobbling at high speeds, I installed a dedicated gyro unit.

I chose the Eagle Model SP MINI GYRO V3 for this build.

You can see the installation details in my previous post.

This tiny device provides much-needed confidence during high-speed runs.

Maxing Out Motor Timing to 60°

I pushed the power unit to its absolute limit for maximum RPM.

Dialing the Yokomo brushless motor timing to the maximum setting of 60°.

By increasing the timing to 60 degrees, I aimed for higher top-end speed.

While this puts more load on the motor, it’s essential for breaking records.Check here for the details of the motor used.

The Result: Breaking the 45km/h Barrier!

I headed to the park for the speed run on a paved straight.

Screenshot

The GPS speedometer clocked a solid 45.5 km/h.

Thanks to the gyro, the car was noticeably more composed than before.

Unexpected Mechanical Failure

Unfortunately, the session ended with a mechanical issue.

After a few passes, a grub screw on the universal shaft fell out.

This rendered the car undrivable on the spot.

The intense vibrations at these speeds were tougher than expected.

Summary and Next Steps

I am thrilled to have set a new record, but reliability is now the focus.

I will perform a thorough maintenance check and secure all fasteners with thread lock.

The chassis still has more potential—I’ll be back for another run soon!

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