the r1 and r2 terminals are probably the rotor where the power is
applied. the s1,s2,s3 are most likely the stator windings which are the
input/output. connect like named terminals together on both motors (5
wires) and connect power between r1/r2.
one fun thing, if you need to reverse the rotation of the receiver just
swap any two of the s wires. if you do this the receiver will rotate
ccw when the sender is turned cw and vice versa.
> Jim White, K4OJ wrote:
>
> Jurgen, and many others...
>
> thanks for letting me know you had selsyns...
>
> I have received-mail from hams as far away as KL7 who had selsyns for
> sale....I found some from a ham who lives 2 miles from where I
> work!!! There are a bunch of them mounted on a deck, some 110 and
> some 90 volt...they were made by Bendix.
>
> The 110V ones are labeled synchro transmitter, and the 90 V are
> labeled synchro control transformer. I am hoping the 110V units will
> work as a pair...
>
> Hopefully these will perform for me, they were salvaged form the local
> airbase control tower after a re-working....they look great!
>
> NOW THE BIG QUESTION:
>
> I know two of the wires supply the voltage and the other three are for
> keeping the selsyns in synch...which is which however?
>
> The end of the selsyn has the terminals marked as follows:
>
> S1 R1 S2 R2 S3
>
> ....since two of the descriptions start with "r" I wonder if a guess
> of those as the voltage/power hookup points is a good guess?
>
> Anyone out there recognize those markings?
>
>
>
> 73,
>
> Jim, K4OJ
> k4oj@ij.net
>
>
> "Consider the fact that you can buy an entire washing machine for less
> than the price of the heaviest antenna rotators." W6NL
>
>
> Proud member of the Florida Contest Group - visit our website at:
> http://www.4w.com/deemer/fcg.htm
>
>
> The Florida Contest Group sponsors the Florida QSO Party, check out
> the FQP website@:
> http://home1.gte.net/wd4ahz/fcg/ssqp.htm
--
David Robbins K1TTT (ex KY1H)
k1ttt@berkshire.net or robbins@berkshire.net
http://www.berkshire.net/~robbins/k1ttt.html
--
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