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Author Topic: Habor Freight 800w generator tweak  (Read 11331 times)
W8JX
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« on: July 23, 2012, 05:25:52 PM »

I discovered that is it very easy to adjust the RPM for proper voltage/frequency under load. There is a hole right above starter rope housing and a standard Philips #2 works nicely. A little tweaking goes a long way. I have mine set to yield 59.5 to 60hz with a 551 watt load with 116 volts. No load is about 121v and 61 to 61.5 hz.  Before tweak it was 115v no load at 59.5 to 60 hertz and 110v and 58.5hz at 536 watt load. If you increase load to rated 800 watts the voltage sags to 111 with tweak and freq to 58.5. 
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N2EY
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« Reply #1 on: July 24, 2012, 02:17:12 PM »

Neat!

How are you measuring the frequency?

73 de Jim, N2EY
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W8JX
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« Reply #2 on: July 24, 2012, 06:29:04 PM »

Neat!

How are you measuring the frequency?

73 de Jim, N2EY

A plug in device called a "Kill-A-Watt".  Measures voltage, current, wattage, frequency, total usage in KW and can even compute cost of electricity through it.  
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K6AER
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« Reply #3 on: August 06, 2012, 09:08:20 PM »

Most DVM's costing over $55 will have  frequency counter on board.
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W7HBP
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« Reply #4 on: August 22, 2012, 03:25:51 PM »

Most DVM's costing over $55 will have  frequency counter on board.

Agreed. I have a Fluke 87 and an 88, both have Hz.
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ARRL Life Member|QRZ Life Member
KF7VXA
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Posts: 459




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« Reply #5 on: September 26, 2012, 01:15:34 AM »

Also replace the spark plug right away, the one that comes with it is junk. With a new plug it will run far smoother and start easier.

John
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W8JX
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« Reply #6 on: September 28, 2012, 10:13:13 AM »

Also replace the spark plug right away, the one that comes with it is junk. With a new plug it will run far smoother and start easier.

John

When I first got mine It was a refurb and I had a terrible time getting it to start and finally heated plug up and got it running. Since then it has been very easy to start. I always shut off fuel and run carb dry when done using choke at end to get all of it and store with choke closed. I also use AmsOil 100 to 1 and 89 octane fuel (I never use 87 in a two stroke because mixing oil with it lowers octane). When I go to start it, I turn fuel on and wait 30 to 45 seconds and then with choke on pull and usually starts first try. It does not smoke running with the 100 to 1 either and runs very smooth.
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W8JX
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« Reply #7 on: December 18, 2012, 09:53:19 AM »

Update: We had a 90 min power outage late last nite and fired up the Harbor Freight as soon as power went out to power TV, sound system and BluRay and a few lights on cold rainy night with ease. It fired right up. Great little generator. I shift to a bigger one for extended outages. 
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KD4LLA
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« Reply #8 on: December 29, 2012, 07:22:43 PM »

Neat!

How are you measuring the frequency?

73 de Jim, N2EY

A plug in device called a "Kill-A-Watt".  Measures voltage, current, wattage, frequency, total usage in KW and can even compute cost of electricity through it.  

My brother borrowed one from the local electric utility.  That device is handy!  Got an "amp" reading from my major appliances.

Mike
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