Kamis, 20 Maret 2014

Where can we rent a pressure washer?

Q. To clean the siding on the house we're buying. Would Lowes or Home Depot carry them? I live in central Virginia.


Answer
I don't like to clean houses with a pressure washer.

You need a bucket and a car washing brush.
You want to screw that brush to an extension pole.
You need some dish soap and some laundry bleach like Clorox.
Half a cup to 2 gallons of water.
Wear old clothes.
Put some soap in your bleach water.
Wet the house with a regular low pressure garden hose.
Wash an area six or eight feet wide just like you are washing a truck or camper. Scrub it all good and rinse.
Move to the next section of wall.

Pressure washers are okay for decks and driveways.
They blow water behind the siding and cause rot and mold or mildew.
It is not a good thing.
Siding is designed to keep rain out of your house.
It is not designed for a pressure washer.

Scrub brush on a pole works a lot better.
Use the garden hose for rinsing the soap off.
You don't want pressure.
You don't want to get water in the attic either.

Please explain how pressure washer work and its pressure generating principle.How big psi can 12V can generate




adhikari_s


I am looking for a pressure pump(washer) that generates 1500-5000 psi applying 12V DC battery. How many batteries required ?
Can I buy such pumps in the market ? please give more information on it.



Answer
My pressure washer has a 5 horsepower motor and creates about 200 psi. The short answer is that car starter motors create 5 to 10 hp for a short while but get hot fast. One battery will do the job for a very short while. The easier way is to use an electric washer, convert the 12 vdc to 120vAC with an inverter and wash away. The amount of batteries will depend on how long you want to operate at high pressure. The more the better. Can you buy such a pump, sure, convert a small home electric unit. Another good source for this stuff is West Marine, check their website and they have a great tech staff and no I don't work there.




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