33 Lego Wheels/Tracks on Wood (worst to best)

33 Lego wheels, tires or tracks tested on a wooded board to find the best traction. Presented in order from worst to best. Enjoy!

Test method:
adjust the slope angle until the driving car doesn't slide down or climb up but stays in place
measure the angle of inclination
calculate the coefficient of friction = tan(angle)

Potential sources of error:
traction varies along the wooden board (maybe +/- 1 degree of error in spots)
wheel rotation speed varies (faster rotation adds maybe even 2 degrees to the result with some tires, tried to minimize it by using L-motor with large tires)
vibration (happened noticeable only with 15038c03, those errors were omitted)
weight varies (shouldn't matter in theory)
uneven weight distribution on the 4 wheels
angle measurement inaccuracies
== the results are not very accurate, but I'm confident they are roughly correct

All wheels were wiped clean before testing.

The material of the wood board is pine, untreated

Test results:

Music:
Heaven and Hell - Jeremy Blake

Blue sky video footage:
NoCopyrightVideoHD

[ThoR]

Massive respect for this channel : straight to the goods, no frills, nothing about clicking the bell and subscribing, no endless intro. How refreshing.

[Xorua]

People think you access heaven via a stairway

In reality, you access it via a 49 degree wooden ramp

[fnkvx]

Why are these videos so scientific, feels like I'm supposed to write an essay with this as one of the references

[marccaracal]

The last scene with the wheels shining in the sky and the piece of wood going out of the clouds, funny!

[Bisqwit]

I had no idea Lego has so many wheels and tires.

[silksongreactions]

Let’s appreciate how long it took to switch out 31 different sets of wheels and test them one degree at a time

[ultra_gagayay]

Can't wait till he makes a fully working leopard 2A7+ with Lego

[JoelCreates]

Is this the wheel life? Is this just fantasy?

[georgeborisov]

2:52 Literally died here and climbing up to the skies on wooden plank by myself right now

[Waffles_Syrup]

I appreciate the extra effort put into the graphs and showing how different each of the wheels were and how that related to the data.

[alextaillefer]

What I love about these videos is that it's so simple and yet so entertaining at the same time. Keep it up!

[djdsk]

I was wheely excited when this video popped up. I hope this gets traction with a wider audience.

[stefanocrespi]

Never thought three lego wheels with cloudy background could be so epic.

[itsxerxes]

i really like all the graphs at the end they add so much perspective and insight

[akudimensional]

"Thank you for calling The LEGO® Store how may I help you today?"
"Yea I'm looking for the 32020c01 in a 235/50r-18W size"

[bmitchem]

Tank Treads: "I'm good for climbing!"
Tiny Wheels: "Hold my juice box"

[warframehunter]

I am so glad this channel exists, keep it up.

[rykrishot]

I'm early, so I imagine this video will be gaining some serious TRACTION later on.







(Not sorry)

[BiggBoner]

0:36 Imagine being a massive caterpillar track capable of moving on any rough terrain, only to get beat by a wheel so small, it makes the car look like it came out of a 98 year old Alabamian that had a family tree more circular that the wheels itself.

[hurlaky]

I wonder if Lego changed their rubber compound at some point, or if the older wheels harden over time