To derive it, the key realization is that the front and rear tire do not travel along the same circle.

Here's my rear tire, and here's my front tire.

Extra weight on the rear wheels is to keep from fishtailing.

So where does this equation come from.

Rings

Let's draw the circles that these tires travel along.

And then we touch down, we're actually on the wheels, we're ready to drive, day one.

Wood

Stroke

Stroke

The ring!

Bracelet?

You have a huge ring.

A ring.

Where is the ring?

Nose wheel.

My ring.

I dropped a ring!

Stupid collar.

Where's your ring?

A ring, for example

Belonged to Voldemort's mother

Shadow Properties

Stroke Properties

There's no ring.

300. Gear coming.

Gear down.

What about this ring of yours?

The Ring of Fire!

Your wedding ring?

How about the tricycle?

What's with the tricycle?

Not my ring!

Nice ring.

One ring per fear exam, sis's dowry, job

JESSlCA DESVARlEUX Welcome to The Real News Network. I'm Jessica Desvarieux in Baltimore.

And the feet just step over the sand, and the wheel has to touch every piece of the ground in between.

Tightness

The Rings of Saturn

Wide Halo Outline

Deal?

What kind of ring?

Metal eagle.

Ring Off Dance

Nick.