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Old 01-18-2010, 10:46 PM   #1
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What generator to buy


Hello All:

I am looking to buy a generator. I am remodeling a house in the country and have no electricity (am also rewiring it). I will need a generator large enough to run my air compressor to use my nail gun. I will also need to run the well pump so i can get enough water to pour some concrete jobs on this place. what size should I get?

Thanks for the help,

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Old 01-18-2010, 11:09 PM   #2
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What generator to buy


I would get a 5 to 7 KW. It will provide the power you need then will be sufficient for emergency power during storms.

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Old 01-19-2010, 12:39 AM   #3
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What generator to buy


Quote:
Originally Posted by hayewe farm View Post
I would get a 5 to 7 KW. It will provide the power you need then will be sufficient for emergency power during storms.
Something like this?

http://www.everygenerator.com/Generac-5501-GDN1064.html

I have only dealt with smaller generator but how does 5-7 kw generator equate into watts??

Common to see like 5000 watt generator

On the smaller generator 5500 watt specifically the Honda has been one good machine.

Used on doing 1500 feet of 2 rail fence. 4 x 4 pt post with 2 x 6 pt rails. Could have bought the cordless Paslode or other guns but already own a pneumatic paslode corded so my buddy bought the compressor. He has used it for other things since then but for that job it was great.
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Old 01-19-2010, 08:18 AM   #4
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What generator to buy


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Originally Posted by canyonbc View Post

I have only dealt with smaller generator but how does 5-7 kw generator equate into watts??
1,000 watts is 1kw (kilowatt), so 5-7 kw is 5,000-7,000 watts.
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Old 01-19-2010, 09:16 AM   #5
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What generator to buy


had a 5k wouldnt run well pump
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Old 01-19-2010, 11:02 AM   #6
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What generator to buy


What is the amperage of your well pump? Then find out what the start-up amperage is. Electric motors use a lot of electricity to "start-up".

What is the amperage of your air compressor?

What is the amperage or wattage of anything else you would have plugged in and running at the same time as those?

Convert watts to amps - amps to watts here...
(Use single phase)
http://www.jobsite-generators.com/po...lculators.html
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Old 01-19-2010, 11:25 AM   #7
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What generator to buy


As the two previous posters stated, check the amperage and voltage of the pump motor and multiply the amperage by 5 times. This will give the approx number of amps needed at start up. Multiply the start up amps by the voltage and you will get the watts needed at start up.

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