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Pulsed Electromagnetic Motor by Gary Magratten -- Prototype 3Presently-working device by Gary Magratten is a variation of Ed Gray's patent 3,890,458. Gary's version uses a combination of permanent magnets and electromagnets. Page Contents: PhotosClick photos for enlargement
Explanation
From: [Gary] Magratten
To: Sterling D. Allan
Sent: Wednesday, August 11, 2004 2:43 PM
Subject: PM/PEM2,MG
Dear Sterling,
Here are some pictures of
PM/PEM2,MG The [engineering] testing was halted because the lateral loading to
the bearings was not designed for [such extended running].
The Engineering Report is
still on schedule for PES review.
This should put us actively
back on tract with the open sourcing project.
Sincerely,
Mr. Gary Magratten
* * * *
From: [Gary] Magratten
To: Sterling D. Allan
Sent: Wednesday, August 11, 2004 6:12 PM
Subject: good news!
Dear Sterling,
[...] They freed
me up to disclose any and all work on PM/PEM2,MG. [...]
There are minor design
errors that are discussed in the Engineering Report. These will not be
difficult to correct.
Essentially the
unit needs to be balanced for lateral forces as well as axial forces. More
work, but it can be done. I will have to employ back emf from the motor coils
to get real over-unity.
[...] I
will send the full ER with all working drawings and assembly instructions
probably next week for PES review.
Sincerely,
Mr. Gary Magratten
* * * *
From:
Margaret Magratten
To: Sterling D. Allan
Sent: Thursday, August 12, 2004 7:49 AM
Subject: PM/PEM
Dear Sterling,
You will receive the ER next
week. It details exactly were I am at with this. I
got some good numbers but the lateral loading on the bearings needs to be
addressed before there is sustainable power production. The bearings started
to fail as there is some 800lbs of lateral load due to the neodynium magnets.
The motor consumes 3.5
amps at 12 volts, 42 watts input. This has been tested
several times. The alternator is designed to
put out 750 watts at 500 rpms.
Because the motor
and alternator are one unit, it is difficult to test the
the motor and alternator independently. I will split the units. The production
of electric power is dependent upon the rpms of the driving unit and may have
to use a gear assembly.
I am planning to do a
video that clearly defines the present state of R&D. In
the video, I hope to outline the design improvements necessary. These improvements
are not difficult, and I will provide the design and test results as
I proceed. We can post the updates as we
progress.
This is still in the
R&D stage and not finished product ready for market. I
would suggest that you have your Electrical Engineer and Mechanical Engineer review
the ER. I will work on a summary of the ER for PES.
The ER is very
detailed and will clear up any questions.
Respectfully,
Gary Magratten
See also
Page posted by Sterling
D. Allan, August 12, 2004 |
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