On Oct 1, 2005, at 7:56 AM, k7fm wrote:
> "In my survey of Alpha 87 and 88 owners, c. 40% had needed to return
> theirs to the factory hospital"
>
> Note - attribution marks left out on purpose. Quotation marks used to
> indicate I was quoting someone else. Hope that is not too confusing.
>
> Was this a limited survey? ...
Whenever I ran into an owner, I asked him or her the question. A
number of years back when he was active on this discussion group, Dick
Ehrhorn told me in an e-mail he had c. 150 3CX800A7s at the factory
that exhibited gold sputter leakage. When I mentioned this c. a year
later in a discussion here, he said I was crazy - or words to that
effect. This was c. the same time that I found out that General
Electric Medical had cancelled a contract with Dick because he failed
to fix the problem of sudden 8877 failures in a MRI amplifier that he
was manufacturing for G. E. Dick apparently never read the article:
''Parasites in Transmitters'' by General Electric Co engineer G. W.
Fyler in the September, 1935 issue of Institute of Radio Engineers
Journal. In the ARRL Handbook, Dick denies that there has ever been a
parasitic oscillation in an amplifier he designed. I have autopsied
enough gold-sputtered 8874s and 8877s from Alpha amplifiers to know
that this is a case of technical hubris.
>
> The Alpha 88 was apparently one of those amplifiers that was so bad
> that Alpha Power has removed all information on it from their website
Protect-a-Pal smoke generator on.
cheers, Colin
> and terminated all of the former owners and their friends that knew
> anything about it. The FBI was investigating it, but those assigned
> to the operation, under the code name of Operation Parasite simply
> never returned.
>
> Recent documents found at Eimac suggest that a number of the Alpha 88
> amplifiers were operated about a month ago on a dike near New Orleans.
> When they were turned on, the parasitic currents caused massive
> swirling of parasitics, which engulfed the region. Investigation of
> the dike, under the location of where the Alpha 88s were operated,
> reveal shattered filaments of the rebar used. It has been suggested
> that if the rebar had been constructed of nichrome, the massive flow
> might have been prevented. Both republicans and democrats alike have
> asked for an independent investigation.
>
> Colin K7FM
>
>
>
Richard L. Measures, AG6K, 805.386.3734. www.somis.org
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|