[ARC5] Bendix Motor Generator

[Scott Johnson]

The US navy used 800 Hz on several systems during WWII, including the GO-9
MF/HF transmitter.  800 Hz was dropped in favor of 400 Hz, mostly because
the magnetostriction effects at 800 Hz caused an unholy howl that could be
heard over the engines and caused premature failures of inverters and
transformers due to vibrating laminations!

Scott W7SVJ

-----Original Message-----
From: ARC5 [mailto:arc5-bounces at mailman.qth.net] On Behalf Of Andy Young
Sent: Monday, April 13, 2015 3:02 AM
To: arc5 at mailman.qth.net
Subject: [ARC5] Bendix Motor Generator

Has anyone got any information on a US-made Motor Generator, purchased by me
here in the UK yesterday, please?

It is a Bendix Aviation Eclipse Type 800, Model 1, Style D Motor Generator.

24/28v DC in, at 75A, 115v AC 800 c/s out, at 10.5A, 1200W.

What system was this used to supply?

Not labelled as military, so may well be for a civilian aircraft
application.

Many thanks,

Andy
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