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 12-25-2002, 00:41 Post: 46548
DRankin



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 3 Pt PTO generators

Generally speaking, economical and pto do not co-exist in the same sentence.
You can easily buy a very good and powerful generator with its own motor for half the price of a three point pto generator only outfit.
If that isn't bad enough, and here is the thing that threw me off the scent; how do you regulate the power?
A stand alone generator has a feed-back loop to the engine that will speed it up as demand increases and throttle back when it subsides. How do you get your tractor to do that? Near as I can tell you either over produce watts or suffer brown outs that send you running outside to kick the throttle up a notch.
Too many problems and too much expense for me. I have come to the same conclusion as my friend Billy. Buy enough generator (free standing) to eek by till the power comes on again.
Since I am in the midst of a remodel anyway, I may just run a separate set of wires/outlets to the refer, freezer, wood stove fan and a couple outlets for lamps. Then all I gotta do is drag the propane camp stove in the house so I can have some breakfast.






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 12-25-2002, 09:20 Post: 46558
DRankin



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 3 Pt PTO generators

Ok, are you guys saying that if I set up my tractor and generator to a certain speed and something kicks in that requires another thousand watts, that the tractor's engine governor will somehow compensate?






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 12-26-2002, 10:01 Post: 46593
DRankin



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 3 Pt PTO generators

First let me admit that the last time I dealt with a governor we shook hands and talked about the good old days. That is about where my direct knowledge stops.

My impression is that my tractor (and yours)uses a mechanical governor to set and control the engines top operating RPM. I thought that it came into play only when that pre-set RPM limit was reached and more load was applied to the engine, hence the smoke we see when we really make it work.
I have seen generators in operation that would idle under no/low load circumstances and then increase throttle settings automatically when a new electrical load was applied, thereby increasing RPM and power in some self adjusting manner.
This is the difference I was alluding to above, and why I think there is a fundamental flaw in the operation of a pto generator as compared to a designed engine/generator package.
It is also the basis for my comments about either overproducing or under producing wattage using the manual throttle setting on your tractor.
Am I off track here? Is my understanding of these basic principles flawed?






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