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Main
Date: 04 Mar 2006 13:04:01
From: Michael Briggs
Subject: Hydraulic pump/motor Question
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Have the need to put together a generator. Have a cat 3208 motor and allison
automatic with a pto output. The motor is the drive engine for a large
boat(stern wheel boat, 65 foot). I want to drive the gen head with the pto
through hydraulic pump, flow control valve, hydraulic motor to the head. The
head is a 12kw that needs 22 hp at 1800 rpm to run at full load. The motor
will run from idle to aprox 1000 to 1100 rpm for cruise speed. Have plenty
of extra hp to run the genset, only need aprox 85 hp to run boat at cruise
speed. The cat is rated at 225 hp. Would like to have some spare hydraulic
umph to also run a hydraulic controlled rudders. Won't take much for that.
Need to know what pump/motor/flowcontrol configuration I should look for to
make this work. Also, the pto unit has an air operated engage unit and the
genhead I was looking at has a field disconnect that could be coupled to the
tach to disconnect if rpm to low to drive the motor at the needed 1800 rpm.
I am pretty mechanically inclined and have no problem working on anything,
just don't have much experience with hydraulics and don't want to reinvent
the wheel if I don't have to. Any help would be appreciated.
Thanks
Mike
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Date: 04 Mar 2006 15:53:33
From: Grip
Subject: Re: Hydraulic pump/motor Question
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But up till now, how does it handle on the Upper Yough?
"Michael Briggs" <briggs616@alltel.net > wrote in message
news:c593c$4409d68f$438c61b4$16452@ALLTEL.NET...
> Have the need to put together a generator. Have a cat 3208 motor and
allison
> automatic with a pto output. The motor is the drive engine for a large
> boat(stern wheel boat, 65 foot). I want to drive the gen head with the pto
> through hydraulic pump, flow control valve, hydraulic motor to the head.
The
> head is a 12kw that needs 22 hp at 1800 rpm to run at full load. The motor
> will run from idle to aprox 1000 to 1100 rpm for cruise speed. Have
plenty
> of extra hp to run the genset, only need aprox 85 hp to run boat at cruise
> speed. The cat is rated at 225 hp. Would like to have some spare hydraulic
> umph to also run a hydraulic controlled rudders. Won't take much for that.
> Need to know what pump/motor/flowcontrol configuration I should look for
to
> make this work. Also, the pto unit has an air operated engage unit and the
> genhead I was looking at has a field disconnect that could be coupled to
the
> tach to disconnect if rpm to low to drive the motor at the needed 1800
rpm.
> I am pretty mechanically inclined and have no problem working on anything,
> just don't have much experience with hydraulics and don't want to reinvent
> the wheel if I don't have to. Any help would be appreciated.
> Thanks
> Mike
>
>
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Date: 04 Mar 2006 10:54:06
From: Hanta-Yo-Yo
Subject: Re: Hydraulic pump/motor Question
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Michael Briggs wrote:
> Have the need to put together a generator. Have a cat 3208 motor and allison
> automatic with a pto output. The motor is the drive engine for a large
> boat(stern wheel boat, 65 foot). I want to drive the gen head with the pto
> through hydraulic pump, flow control valve, hydraulic motor to the head. The
> head is a 12kw that needs 22 hp at 1800 rpm to run at full load. The motor
> will run from idle to aprox 1000 to 1100 rpm for cruise speed. Have plenty
> of extra hp to run the genset, only need aprox 85 hp to run boat at cruise
> speed. The cat is rated at 225 hp. Would like to have some spare hydraulic
> umph to also run a hydraulic controlled rudders. Won't take much for that.
> Need to know what pump/motor/flowcontrol configuration I should look for to
> make this work. Also, the pto unit has an air operated engage unit and the
> genhead I was looking at has a field disconnect that could be coupled to the
> tach to disconnect if rpm to low to drive the motor at the needed 1800 rpm.
> I am pretty mechanically inclined and have no problem working on anything,
> just don't have much experience with hydraulics and don't want to reinvent
> the wheel if I don't have to. Any help would be appreciated.
> Thanks
> Mike
Since this is a group about boats that are paddled, and I am sure you
would not be posting here unless you paddle this boat, I expect that
this is one hell-ova-boat (65 foot)to paddle!
You might try rec.boats, though, since they deal with power boat
questions! HYY
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