Hello Charles Johnson,
I found a wooden box full of these items while walking
my dogs today along the street. There are model
2J1G1, Selsyn Control Transformers and 2J1F1 Selsyn
Generators of various condition in the box.
I came across your note when looking for information
on how to connect these units and use them for
I will trade you a couple units plus shipping cost for
some information on how to use them and how to deal
with the fact that they are 400 cycle units if you are
interested. I was going to see what happened using
lower voltage 60 cycle on a set but won't do it till I
hear from you first. I suspect that might result in a
funeral party for both of them.
I presume that one way to use them is to connect all
the same terminals of one unit to the other unit and
then apply 57.5 volts ac at 400 cycles across the R1
and R2 terminals and find that turning the shaft of
unit #1 will turn the shaft of unit #2 a corresponding
If you are interested, let me know. I did find some
application information on them but nothing very
detailed and nothing which got into the reason why
these particular units were 400 cycle. I suspect that
would improve their resolving accuracy but that's
purely a guess.
I thought that I might be able to use them as a wind
direction indicator or perhaps a rudder angle
indicator for my sailboat.
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