On Thu, 23 Mar 2017 08:55:14 -0400, "Jim Wilkins"
wrote:

"Jim Wilkins" wrote in message
news
"DoN. Nichols" wrote in message
...
On 2017-03-22, George wrote:
...
...I have a rotary converter which takes in 28
VDC at perhaps 20 Amps or more, and produces the 115 V 400 Hz 3
phase.
It also produces more audio noise than I like. :-)
...
DoN.

You need an R-2800 to mask the converter's noise.

Like this? https://www.youtube.com/watch?v=iu2yYoIpEJc


-jsw

http://www.enginehistory.org/gwhitecol.shtml

https://www.youtube.com/watch?v=kH4OtjCSCbU Nice!


--
The more you know, the less you need.
-- Aboriginal Saying