How do you build a mousetrap car for speed?
If you haven’t realized it yet, increasing the length of the lever arm attached to the mousetrap, increases the total mechanical advantage of the car. Therefore, to increase your car’s speed, you can reduce the length of the lever arm attached to the mousetrap.
What is the best length for a mousetrap car?
Max Length – 45 cm. Max Width – 20 cm. Height – 20 cm. Min ground clearance – 4 cm.
What are the best materials for a mousetrap car?
A mousetrap car can be made from cardboard or balsa wood with CD’s for wheels and axles of wood or brass tubing. Power to drive the wheels is provided by a mousetrap to which a wand and string is attached to the snap arm.
What are the best wheels for a mousetrap car?
CDs. CDs make one of the cheapest and easiest to use tires for a mouse trap car. The type of CD doesn’t matter, and you can even use DVDs if you like. However, you should make sure you don’t want to use the CD anymore.
Is there a pulley in a mousetrap car?
Introduction: Mousetrap Car The car uses physics and engineering concepts such as pulleys, levers, and springs to convert potential energy to kinetic energy which moves the car along.
What is the best wood for a mousetrap car?
Balsa wood, pine, or bass wood are excellent choices although balsa wood is somewhat brittle and hard to drill holes into without ripping. Other materials can also be used for making a light weight strong and stiff frame. These include Styrofoam, corrugated cardboard, plastics, aluminum and brass tubing.
Does the length of a mousetrap car matter?
Vehicle weight is an important factor to consider reducing if your mousetrap vehicle is not traveling far enough. The greater your mousetrap vehicle weighs, the shorter the distance it will cover and the speed it will travel. This consequence is due to the limited energy within the mousetrap.
What does the string do on a mousetrap car?
The string is used to transfer the pulling force of the mouse trap to the drive axle. The string has to be strong enough to handle the pulling force but flexible and thin enough to wind tightly around the drive axle.
How do you make a hook for a mousetrap car?
step #1: Wrap a small piece of picture frame wire two times around the axle as pictured. step #2: Twist the ends of the wire together until the the wire is tight against the axle. step #3: Cut the excess wire so that the hook is just a small nub. The hook should be no stick up no longer than 1/8 of an inch.
How do you slow down a mousetrap car?
Changing the length of the mouse trap’s lever arm controls the pulling force and the amount of string that can be wound around the drive axle. Making the length of the mouse trap’s lever arm longer will decrease the pulling force but increase the amount of string that can be pulling from the drive axle.
What is the basic design of a mousetrap car?
The most basic design for propelling a mousetrap racers is to tie one end of a string to a mouse trap’s snapper arm and then attach the other end of the string to a drive axle. By turning the drive axle the string is wound around the drive axle causing the mouse trap’s spring to compress and store energy.
Should a mousetrap car be heavy or light?
Lighter mousetrap vehicles will require less energy at the start and can use longer lever arms for more pulling distance. Always use lightweight components when building a mousetrap vehicle. bonus tip: lightweight mousetrap vehicles require less pulling force off the start.
What is the fastest mousetrap car design?
The Speed-Trap Racer is the fastest mousetrap powered racer anywhere and was designed after Doc Fizzix’s own record-setting mousetrap racer that traveled 5 meters in 1.2 seconds.
How do you make a mousetrap car go forward and backwards?
To make a reversing mousetrap car go forward and then come back you will need to know how to “back-wind” the string. Back-winding the string it a technique where you first wind the string around the axle in one direction and then rewind the string in the opposite direction.
Why do mousetrap cars use CDs?
Why do so many mousetrap cars use CD/DVD for wheels? Because CDs and DVDs are some of the best wheels you will ever find for building a long distance mousetrap powered vehicle. CD/DVD wheels can slice through the air with very little air resistance and they have very little rotational inertia.
Are big wheels better for a mousetrap car?
Wheels and Axles Larger drive wheels will have a greater travel distance per each turn compared to smaller drive wheel. It would make sense to use a super huge drive wheel so for each turn of this massive drive wheel the mousetrap vehicle will travel an incredible distance.
Why is my mousetrap car not going straight?
If a mousetrap vehicle is not traveling straight then there is one reason and one reason only: the front and rear axles are not parallel to one another!
Is weight important in a mousetrap car?
The greater your mousetrap vehicle weighs, the shorter the distance it will cover and the speed it will travel. This consequence is due to the limited energy within the mousetrap.
How long should dowel be on mousetrap car?
If you have larger drive wheels, these should go on the rear axle and the smaller wheels on the front axle. Your axle dowels should extend past your wheel about 1″ (2.5 cm). around your dowel just outside each of wheels. The elastic band will keep the wheels from falling off of the car.
How long would it take to build a car from the ground up?
Cars can be built in a timeframe of between two months and two years. If you’re trying to build a sports car from a kit (not uncommon) , it will probably take longer than if you’re trying to build a sedan (not recommended).