thecoorsgo
Answer
The dangers of making your own pressure washer could result in serious injury. You would need to create a sealed compression chamber for your air that would have to create 1400+ PSI and hold 1-5 gallons of air for personal use, and 20-50 gallons of air for commercial use. you would then need a water source, hose or tank. by the time you go through all of this trouble you will have spent more than you would to buy one.
The dangers of making your own pressure washer could result in serious injury. You would need to create a sealed compression chamber for your air that would have to create 1400+ PSI and hold 1-5 gallons of air for personal use, and 20-50 gallons of air for commercial use. you would then need a water source, hose or tank. by the time you go through all of this trouble you will have spent more than you would to buy one.
what is the best pressure washer?
Pandora
Looking for a good gas cold water pressure washer for home use.
Answer
There are a couple different types of cold water, gas pressure washers out there. There are direct drive models, and there are belt drive models. The difference is as follows:
Direct Drive- These things are more efficient because they have no moving parts. the shaft from the motor is connected directly to the pump, so no belts or pulleys are required. These units are cheaper because they are simpler to build.
Belt Drive- These units use a belt and pulleys to connect the motor and the pump. This setup uses a few more parts, but is actually preferable to the direct drive units because they last longer. This is because a larger pulley can be used at the pump, causing the pump to run at a lower RPM than the motor. this is less straining on the pump, and will help your unit to last longer. Unfortunately, it is also more expensive.
For home use, I would go with a belt driven unit. If you are using the pressure washer less than 20 hours a week consistently, then it is not worth the added cost to get a belt driven unit. If you do a quick Google search, you will see that most sources recommend 3000 PSI for concrete, and that is more than enough for siding and decks (I'll put a link in my sources to a forum discussion on what pressure is needed for concrete). 3000 PSI is also enough to run a surface cleaner or rotary nozzle if you later decide that you want to speed up that driveway cleaning. I have heard it said that pressure cleans, but flow helps you clean it faster, so make sure that the machine you get has a decent GPM rating. A machine that is like 3000 PSI at 2 Gallons per minute will be perfect for what you need it for.
Note: I would get a machine with a Honda engine. They rarely have to be serviced, and after market parts are abundant online for cheaper repairs.
There are a couple different types of cold water, gas pressure washers out there. There are direct drive models, and there are belt drive models. The difference is as follows:
Direct Drive- These things are more efficient because they have no moving parts. the shaft from the motor is connected directly to the pump, so no belts or pulleys are required. These units are cheaper because they are simpler to build.
Belt Drive- These units use a belt and pulleys to connect the motor and the pump. This setup uses a few more parts, but is actually preferable to the direct drive units because they last longer. This is because a larger pulley can be used at the pump, causing the pump to run at a lower RPM than the motor. this is less straining on the pump, and will help your unit to last longer. Unfortunately, it is also more expensive.
For home use, I would go with a belt driven unit. If you are using the pressure washer less than 20 hours a week consistently, then it is not worth the added cost to get a belt driven unit. If you do a quick Google search, you will see that most sources recommend 3000 PSI for concrete, and that is more than enough for siding and decks (I'll put a link in my sources to a forum discussion on what pressure is needed for concrete). 3000 PSI is also enough to run a surface cleaner or rotary nozzle if you later decide that you want to speed up that driveway cleaning. I have heard it said that pressure cleans, but flow helps you clean it faster, so make sure that the machine you get has a decent GPM rating. A machine that is like 3000 PSI at 2 Gallons per minute will be perfect for what you need it for.
Note: I would get a machine with a Honda engine. They rarely have to be serviced, and after market parts are abundant online for cheaper repairs.
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