[Milsurplus] Another Whatzit

[Glenn Little WB4UIV]

Looks like it is an analog angular readout 0 to 360 degrees with 0.1 
degree resolution.
What are the specs on the servos/synchros?
The coarse side is 3 phase 11.8 VAC 400 cps.
What are the connectors?

73
Glenn
WB4UIV



On 6/4/2018 11:08 AM, Robert Nickels wrote:
> I have an for the "Whatzit" contest, see pics at links below. This 
> complete one and another stripped to the geartrain one were in some 
> junk a neighbor gave me.  There are two syncros are Autosyn brand, 
> made by Eclipse-Pioneer Div. of Bendix, Teterboro NJ. There are 
> stickers on each with a s/n and p/n saying "Mfd for AC Spark Plug 
> Div., Milwaukee WI".      The motor is made by Oster Mfg. Co. of 
> Racine WI, labeled "Phase 1 52V, Phase 2 52V 400 cycles", and "Low 
> Inertia".     The fast-turning dial is marked 0-9 and the slow-turning 
> one is marked 0-36 (presumable corresponding to 360 degrees).   The 
> ratio is such that one turn of the fast dial = about .8 increment of 
> the 0-36 one.    The only motive force is applied by the motor, you 
> can turn the wheels by hand but it looks to me like they are only 
> intended to provide a readout to the operator thru a window in a 
> panel, although you can rotate the fast dial like a thumbwheel.
>
> https://i.imgur.com/lXTUlDI.jpg
>
> https://i.imgur.com/lq4SaIg.jpg
>
> Very nicely made cast and machined frame and precision gears, looks 
> like it could have been used in a piece of avionics or fire control 
> gear - anyone recognize it?
>
> 73, Bob W9RAN
>
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-- 
-----------------------------------------------------------------------
Glenn Little                ARRL Technical Specialist   QCWA  LM 28417
Amateur Callsign:  WB4UIV            wb4uiv at arrl.net    AMSAT LM 2178
QTH:  Goose Creek, SC USA (EM92xx)  USSVI LM   NRA LM   SBE ARRL TAPR
"It is not the class of license that the Amateur holds but the class
of the Amateur that holds the license"