[Milsurplus] PB4Y-2 photo

John Hutchins olegerityincj at austin.rr.com
Sat Oct 30 11:48:40 EDT 2010



All -
I must have missed the photo of the PBY, or deleted the the Email Please 
send the link?

Thanks
Hutch

On 10/30/2010 7:48 AM, Mike Hanz wrote:
> On 10/30/2010 12:10 AM, Hue Miller wrote:
>> Izzat an ATC loading coil box in the lower left? I'm just guessing, from the size of the
>> insulators.
> Yup.  It's the "mamma bear", later called the CU-25/ART-13.  There is
> actually another one, the smaller CU-26, mounted beneath the CU-25, all
> with spark plug tips installed on the binding posts for rapid patching
> and reconfiguration.  .  The SPDT knife switch to its left is probably
> for trailing wire/liaison antenna selection.  Looks like they used spark
> plug wire with Rajah connectors on it to hook things up, rather than the
> USAAF preference for solid wire suspended on porcelain insulators.
> Quick and very flexible!
>
>> Also, what is that 3 ( or 5 ? ) position control box mounted by itself on the wall?
> It's the reel control box for the trailing wire antenna.
>
>> Also, why is the key mounted so it's best suited to a lefthanded child? ( I mean knob on the
>> left, and not much room for the arm there ). Or is it meant to be keyed the way the
>> Japanese trained their radio operators, arm well above the key, and swing from the elbow?
>> ( No, i doubt that! )
> It's not mounted yet...simply pushed over to the front to get it out of
> the way.  They were in the process of installing all that stuff when
> someone probably said, "Time for photographs" and a quick cleanup ensued.
>
>> And yes, you'd think the radio op needs a way to tune the ARB maybe also? Some of the
>> China fields or less important Pacific island stations only had HF.  I suppose the radio op
>> could retune the ATB if he needed, using the LM, but then what?
> That's an interesting observation, possibly reinforcing the concept that
> the ARB/ATB was used more as a command set, but who knows?
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