for air compressor tools. when do I really need more than 90psi?

pressure washer air compressor image

Famous cel

tools that I would likely use. brad, finish, framing nailer. pressure washer, paint spray gun, dusting. inflating tires.

do i need to buy an air compressor more than 100psi? or is 115 recommended.

Answer
The problem is volume of air. A compressor that is 150psi and a 5 gallon resovour has 7.5 gallons of useable psi at 100psi. Get the math? If your using a framing nailer is using .1cuft per shot at 100psi and you have a compressor with 5 gallons at 100psi your going to be turning on your compressor pump every 10th shot. those factors get worse the more use you have. An air rachet uses a lot more volume, a paint sprayer even more. If you use a air sander you use a lot too.

What do I need to convert a regular air compressor (for power tools) to a power washer?

Super Dude

They seem similar but different. Normally you buy either an air compressor or a power (water) washer. I want to buy an air compressor, just wondering if it can be easily converted into a power washer.

Answer
A powerwasher does not use air assit to begin with..it is all hydraulic pressure from the hydraulic pump on it...About all you can use on a compressor to make a power washer will be the tires and the frame to mount the motor/pumps etcetera on.. Pressure washer needs no air tank

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