Putting it all together
What will make your Mouse Trap Car go far? You got various things to consider. Finding the perfect balance between all forces will allow you to achieve a better performing car.
Here are some things you can modify;
Axle size
big vs small
transmission
Length of lever
long vs. short
Type of string
cotton vs. fishing line
Type of Wheels
big vs. small
light vs. heavy
Position of mouse trap
front vs. rear
mouse trap in relation to length of string
Location of wheels
far away vs. near each other
Number of wheels
3 vs. 4 vs. 8
Controlling Friction
3 friction point
axle
wheels
string
Car's structure
Length of car
Rules to follow
Your car can't be less than 12" long but no more than 24"
Your car can't be less than 3" wide but no more than 4"
All axles are 6" in lenght
Using straw to prevent axle to move left to right