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Quick Pinewood Derby Automobile WINS utilizing Science!!!


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7 uncomplicated ways that Truly Issue to creating a winning pinewood derby car. I developed a car in forty five minutes utilizing these ways and crushed all the levels of competition by a lot more than 2 car lengths (proof is in the video clip 🙂 Special thanks to Steve at for furnishing his knowledge and supplies for the video clip.

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Here is HOW I Built THE ROCKET Automobile:

7 Key Measures:
one. Max pounds ~one” in front of rear axle
2. Moderately aerodynamic
3. Experience on 3 wheels
4. Lightweight wheels
five. Bent polished axles
six. Railride/alignment
7. Lots o’ graphite

***Useful One-way links***

Dr. Acton’s video clip:

Pre-polished, bent axles to obtain:

Also on which is exactly where the photograph arrived from

Lightweight wheel choices to obtain:

Extra details on sharpening the axles:

Axle bender tool:

Extra details on Rail Rider alignment:

Products utilized in the video clip provided by It truly is also the only area I could locate the pre-polished bent polished axles. Website link provided earlier mentioned.

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  1. I'm thinking you could make a specially shaped mass to improve how high the start mass is while ensure aerodynamics are being honored. I dont know all the rules of pinewood cars but I think there is a bit of room (~1-10% gain). Hell; where are the barrings?

  2. I had to do a pinewood derby race once. I made no modifications to the default car, and I lost horribly but instead of trying to build a useless car I instead spent hours playing video games. I call that a win.

  3. I just stumbled on this video, and while I haven't built a PWD car in 30 years (I lost bad way back then) I loved your video! Very well made, and the science was explained very well- can't wait till my son enters, so I can build it for him!

  4. I put a magnet on the front of my car. The drop mechanism was a nail that was flipped down (forward). The magnet made it so the flip mechanism was actually pulling the car forward. It gave it a super boost head start but the rest of the car sucked so the other cars would pass it in the long stretch. I had a strange design with the front angled up higher than the rest of the car to maximize the time the pin was pulling it, but that made it unstable in the straightaway.

  5. Your car might have beat your friends if it was more aerodynamic. The wedge shape creates alot more resistance than a flat surface. And what if you wedged it on the bottom so it even produced some lift once it got going on the flat part, but didn't reduce the weight too much on the downslope since it's still accelerating?

  6. my winning design was always just take it out of the box that morning at check-in and slap it together in the back corner really quick. I didnt even cut the thing. If it was heavy I drilled holes in it with a drill i found in the closet like it was a block of swiss cheese to make weight. I even found some yellow hobby paint one year and slapped a cheese sticker on it and glued a plastic mouse to it. Just ran a pencil over the wheels for some graphite. That thing was FAST!

  7. Wow, this brought back memories… funny thing is, when I raced my car 40 years ago, my dad and I used nearly every one of these approaches (except for the polished axle). We even had our center of gravity (accomplished with lead weights) about where they show it. If I recall, I came in second place overall, beaten only by a car that obviously had been worked to death.

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