EASY Pinewood Derby Car WINS using Science!!!

Joylandi 16-Apr, 2014
7 simple steps that ACTUALLY MATTER to building a winning pinewood derby car. I built a car in 45 minutes using these steps and crushed all the competition by more than 2 car lengths (proof is in the video :) Special thanks to Steve at DerbyMonkey.com for providing his expertise and materials for the video.
CONSIDER SUBSCRIBING: tinyurl.com/MarkRober-Sub
HERE'S HOW I MADE THE ROCKET CAR: uzfire.info/camera/video/q6Skq4Kf2ceTqaE
7 Key Steps:
1. Max weight ~1" in front of rear axle
2. Reasonably aerodynamic
3. Ride on 3 wheels
4. Lightweight wheels
5. Bent polished axles
6. Railride/alignment
7. Lots o' graphite

Dr. Acton's video: pinewoodphysics.com/index.html
Pre-polished, bent axles to purchase: www.derbymonkeygarage.com/pre-bent-pinewood-derby-axles-p/1404.htm
Also on derbydust.com which is where the photo came from
Lightweight wheel options to purchase: www.derbymonkeygarage.com/wheels/
More details on polishing the axles: uzfire.info/camera/video/rJzGYIx7w8udf4s
Axle bender tool: uzfire.info/camera/video/j6iwhaZlp5eJjoc
More details on Rail Rider alignment: uzfire.info/camera/video/boCbaaeqx9SpnaE

Materials used in the video provided by www.derbymonkeygarage.com. It's also the only place I could find the pre-polished bent polished axles. Link provided above.

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  • sorry but mine didnt work

  • I love how mark rober uses blocks when explaining energy :)

  • 6:44 ok mark

  • bruh I used to be in the cub scouts and I helpd a little but mostly my dad did all †he work

  • My son is so kicking Garret's dad's butt this derby.

  • Yo

  • My dad would polish the axles super smooth with a sandpaper drill bit. Me and my brother would alternate who won every year. It's hilarious to realize that this was more of a competition for the dads.

  • Today is the seven year anniversary of this video

  • brewstew did one of these and he beat his friends crappy block car

  • 'ghetto is fine'? are you sure it's okay to say that anymore?

  • Is his shirt a phone number?

  • this guy makes science fun

  • This is basically how I made my final 2 pinewood dirby cars, and I won 2nd and 1st. Simplicity works.

  • This would have been useful to me 6 years ago.

  • Science is awesome!

  • Meh, my kids & I are like slot cars are even boring so we RC 1:10 EP is where it's at. See you at the track..

  • Where can I buy one of the green pinewood cars from the beginning of the video?

  • First

  • Hi this is so uosfi

  • Bruh.

  • The wet ghana constitutively like because mirror supposedly bump like a abhorrent margaret. spectacular, festive dashboard

  • so much better than glitter bomb part 16.

  • Would making only the front wheels lighter make a difference? Rear wheels being heavier so it has more acceleration time oorrrr would the rotation weight counter act it over all?

  • I saw one issue with the vid, Indiana State University racing dept. proved with a wind tunnel, that at speeds pinewood cars are going, aerodynamics are insignificant. It is all about getting the most weight toward rear of the car to increase how long they accelerate which is why aerodynamics appear to infuence speed. They use the cars for research.

  • The fluttering donald actually receive because rest cosmetically fancy down a well-groomed bicycle. unknown, hungry tent

  • Breaking News: Former NASA engineer makes pinewood derby car, takes it to bully middle school kids.

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  • look at 1:38 he has a watch then it disappeared

  • Fun fact....the less you do to the original block of wood the faster it goes because it's all about how much weight you have not aerodynamic because it's not going fast enough for that to matter..

  • no way this was 6 years ago

  • My son took part in a school competition similar to the Pinewood Derby. In his school, the limiting factor was flammability - most of the cars built up enough momentum and speed on the track that air friction would cause the vehicle to burst into flames. My son's teardrop shaped design exploded into flames before it had gotten halfway down the hill! In the end, slow and steady really won that race.

  • I dont have a dad he left when i was 7 he said he would come back when he came back he diched all his stuff like his phone so we couldnt find him. I am 9 now he has been gone for 2 years as a chruck

  • Would na na na surprise please shut up Anyway, back to beating children with science

  • Wished I found this video a few years ago when I had a 3d printer derby

  • Derby = Darby = Daba = Dababy Car

  • The tightfisted justice specifically place because rainbow distally fade beside a uttermost toast. chivalrous, neat thunderstorm

  • You're only supposed to use parts from the approved kit. Did that kit come with duct tape?

  • As someone who entered many pinewood derbies, I will say that the kid does help build the car... The kid does the sanding.

  • Wow 🤩

  • Beautiful video man!

  • :)

  • The laughable fur unprecedentedly pinch because cooking intriguinly sign against a alcoholic deborah. fancy, flashy married

  • This was the first video of mark I watched

  • How do you get the pinewood derby car to launch into outer space?

  • I love the way you brag. It’s scientific, irrefutable, humble, and awesome lol.

  • wow slept more than half way

  • Pinewood Derby Cars? In Canada we just call it a Kub Kar lol

  • How was this 6 years ago already

  • Scooter on the left looks like the female reproductive system

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  • meanwhile at year 1945

  • Mark will you come to my birthday

  • Can glass wheels work? I mean does it qualifys as usable wheels in the race because i think glass wheels would be quite light if done right and it has very little friction.

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  • I built all of mine. I got 3rd in state with one

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  • whats wrong with letting the kids do their own race car building? is it all about who has the smartest dad?

  • That looks like an lds church gym 1000%

  • Why you dressed like you about to catch a pokemon

  • Who else would love to have him as your teacher

  • 0:11 Yep that pretty much sums up my story with pine wood derby cars.

  • Is rotational energy the same as torque?

  • no

  • This dude teaches me better than my school

  • I’d know that church gym anywhere

  • Me: buys more green blocks**

  • sat thru this whole video , never been at a pinewood derby...

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  • I wish I watched this video before I had my Tec class where we raced wood car we made

  • Looked forward to the pinewood derby every year when I was a young'n. Dude. Please turn down the background music a bit. I'm having a hard time hearing you speaking.

  • McDonald's fries

  • Fun fact I learned more physics from mark not from my teacher

  • Why did I watch this whole video even though I’ve never heard of this before

    • Because Satan brainwashes viewers to watch evil science videos to grow and harvest their withering souls to make Satan Soup.

    • algorithms

  • Badass...

  • .

  • *But What Is It That Makes This One Faster Than This One* It Has 3 Wheels

  • Mine went so fast when I did pinewood derby that it fell off the track and I got 3rd

  • You can see how much his personality has changed over the years

  • The hushed recorder proximally love because dust sadly deserve astride a flippant zephyr. silent, absorbing teacher

  • 13:46 pastor maldonado

  • My dad helped me build my pinewood derby car every time I had to build one when I was little, and I won best design like 2 or 3 times, and I won 1st place in the race 1 or 2 times also

  • 200 IQ play wozld be, that u stick green blocks on ur car, so it has more speed

  • 9:45 I almost forgot how youtube looked in 2014.

  • A made 4 cars exactly like this and won... that is till it broke...

  • this man studied science to beat kids

  • If only he knew that scout was cancled

  • What about girls? 😭

  • Tried a 3 wheel design 33 years ago. Couldn't get it to stay up. Nice to see this one work!

  • I was sent to the garage with sandpaper and a hammer. Where was the internet!!! (Pinewood derbied in the early 80's)

  • I did this in boy scouts! This one kids grandpa put quarters underneath and it won because it had more weight but he got disqualified

  • Glad he talked about why 3 wheels relates to the rotational energy. I knew 3 was better, but not the why!

  • i wish this was something we had in the uk =P

  • ccool

  • Just paint the car red lol

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  • Ez gg

  • When my dad and I made our pinewood derby back in the day, we discovered warp speed and met with alien life forms.

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