Using the saw this way will place the motor weight over the waste edge when you cut from the end-side of a board or sheet. This means the saw eventually cuts off its own support. Most users have no trouble holding the saw steady, but this can result in bind-ups.
Should circular saw blade be on left or right?
Many woodworking professionals who use circular saws daily prefer to work with one hand while holding the wood steady with the other. To be able to work like this, you need to have the blade on the left so you can hold the saw with one hand, hold the wood with the other and watch the blade all at the same time.
What happens if you put a circular saw blade on backwards?
A backwards circular saw blade will friction cut sheet meta. However, the noise level is horrindous! Yes – a circular saw blade can be accidentally mounted on the saw backwards – but it is a mistake you will only make one time because you will find out the instant you try to cut a piece of wood.