[ARC5] A.R.C. engineer visit to COMAIRPAC, Pearl Harbor Dec 1942

[Bart Lee]

Wayne, thanks for this very interesting detail.  We were lucky.

73 de Bart, K6VK ##
-- --
Bart LeeK6VK, CHRS, AWA, ARRL

Texts only to: 415 902 7168

www.bartlee.com

{KV6LEE(at)gmail(dot)com} ##

<http://www.LawForHams.com>



On Tue, Sep 11, 2018 at 10:47 AM Robert Eleazer <releazer at earthlink.net>
wrote:

> The only carrier that did everything right at Midway was the USS Yorktown.
>
> Both the Enterprise and Hornet took the data on the IJN position and
> concluded they needed to fly about 220 degrees to intercept it.  The
> Yorktown concluded that they need a course more like 270 degrees, and Lt
> Cmdr Waldron of the Hornet's VT-8 reached the same conclusion independently
> (there was no coordination!)  After being argued down on the Hornet Lt Cmdr
> Waldron agreed to fly the 220 deg course with the others and then about 30
> min after launch turned to the 270 deg course and hit the IJN fleet dead
> nuts while the rest of the Hornet AG never found it that day.
>
> Both the Hornet and the Enterprise not only flew the wrong course but also
> kept their F4F's up high, where they had no effect on the battle.
>
> The Yorktown Air Group flew the correct course to hit the IJN but left a
> bit later than the others, by design.  They also assigned a number of their
> F4F's to stay down low and cover the torpedo bombers, a tactic that had
> worked so well at Coral Sea.  But with the other two carrier's Wildcats
> basically wandering around and useless to the battle the Yorktown's were
> badly outnumbered, as in 4 to 1 odds.
>
> YE/ZB range was UHF and hence dependant on the curvature of the Earth in
> terms of range.  Pilots were instructed to climb and when they received the
> signal they had a chart that showed X thousand feet = Y miles from
> carrier.  The transmitted frequency and codes (e.g. Morse letter A = 030
> deg bearing from carrier) were changed not only daily but on multiple times
> during the day.  Of course the F4F's could not change the received
> frequency but only the "IF Frequency."
>
> Wayne
> WB5WSV
>
>
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