Offgrid Survival: 12 Ways To Move Heavy Weights
· If you need to use less force for a heavier load, use the smaller wheels on the axle. If the load is lighter, put on the larger wheels so that more ground is covered for each rotation of the axle. If you build a two axle cart or some other system (small model Pinewood Derby Cars are excellent to experiment with), load the vehicle with heavier items towards the back of the cart.