The K-3, Wha Might Have Been

[NW Mailing List]

I read that the N&W  wanted more of  the weight  on drivers than they
thought they could get with the 2-8-4.  This doomed the K-3; shortening the
main rod to connect with the second driver  would have resulted in
extremely h igh vertical stresses on the crossheads and guides.
The K-3 looked mean as hell, though.
EK


On Thu, Nov 30, 2023 at 3:46 PM NW Mailing List <nw-mailing-list at nwhs.org>
wrote:

> Yes it would have made a good 2-8-4 based on driver size.
>
> John Rhodes
>
> On Thu, Nov 30, 2023, 6:37 AM NW Mailing List <nw-mailing-list at nwhs.org>
> wrote:
>
>> Thereisa diagram for the N 4-8-4 which would have been  the worlds first.
>> The K-3 was doomed from the time it was decided to make it a 4-8-2
>> instead of a 2-8-4
>> EKing
>>
>> On Wed, Nov 29, 2023 at 3:34 PM NW Mailing List via NW-Mailing-List <
>> nw-mailing-list at nwhs.org> wrote:
>>
>>> In various N&W books they had toyed with using the basic K-3 and a 4
>>> wheel trailing truck for what would have been the N class 4-8-4. For
>>> various obvious reasons it never became more than paper.
>>>
>>> Roger Huber
>>> Deer Creek Locomotive Works
>>>
>>>
>>> On Wednesday, November 29, 2023 at 01:22:32 PM CST, NW Mailing List via
>>> NW-Mailing-List <nw-mailing-list at nwhs.org> wrote:
>>>
>>>
>>> It's too bad that N&W's Motive Power Department didn't believe a
>>> four-wheel trailing truck was necessary under the fire box.  If memory
>>> serves me correctly, Cousin Ed's book on the Class A mentioned that a
>>> two-wheel truck supporting a fire box burning high quality Pocahontas steam
>>> coal was deemed sufficient.  A four-wheel truck would have made it a 4-8-4,
>>> well before Alco delivered the first of that wheel arrangement to the
>>> Northern Pacific.  If N&W had built the first 4-8-4, it would be called the
>>> "Norfolk" type instead of the "Northern."
>>>
>>> What might have been.
>>>
>>> Bill King
>>> Arlington, Virginia
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