Yes, but as best I can recall, it was missing either one of the motors or one of the generators.  I never tried to complete it.  Which I guess was just as well as in about 60 years of collecting, I don’t recall ever running across another MG set for the TCS.  The transmitter and receiver generators are the same in all of the MG sets.  The transmitter one only outputs 400 VDC.  The receiver generator outputs 220 VDC and 12 VDC.  You can’t start the transmitter without first starting the receiver.  For several reasons.

As to why the Navy had so many MG sets, given that they are in general always less efficient than the equivalent dynamotor or transformer supply, I think it was in part that they had come into being first so they were used to them and in part that an MG set will survive a near miss much better than a tube rectifier set.  But I don’t actually know.

Robert Downs

From: [email protected] [mailto:[email protected]] On Behalf Of W2HX
Sent: Tuesday, October 19, 2021 13:30
To: [email protected]
Subject: [Milsurplus] TCS MG?

Hi all,

Was looking into the TCS line of radios and saw this table in one of the documents (I hope it comes through). Few questions.

1. Has anyone ever run across the 24VDC motor generator set for this? And does this produce 12V for the filaments?
2. If someone has 115VAC available, what would make them choose a motor generator instead of a rectifier? Seems both were available

Thanks!

73 Eugene W2HX

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