[modeleng] Re: Parts prices
- From: Jesse <fernj1@xxxxxxxxxxx>
- To: modeleng@xxxxxxxxxxxxx
- Date: Wed, 26 Sep 2012 15:06:59 -0500
Blimey Clif,
'Ow yer expect the bloody pump to work if it ain't assembled!!!!
Jesse in warm Troy, TN
> Hi Jesse,
>
> I will take a photo but it will be of the pump loosely assembled. As I have
> never got the steam cylinder to work I have never totally put it all
> together.
>
> Regards
>
> Clif
>
>
> ----- Original Message -----
> From: "Jesse" <fernj1@xxxxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Wednesday, September 26, 2012 5:35 PM
> Subject: [modeleng] Re: Parts prices
>
>
>> Clif, just for the heckofit, send me a photo of that Southworth pump.
>> Never heard of one and would like to see a pic. Many thanks,
>>
>> Jesse fernj1@xxxxxxxxxxxx
>>> Clif,
>>> There was one of the full-size pumps that used a shuttle valve as you
>>> described.
>>> Not sure why yours doesnt work.
>>>
>>> Never having seen or played with one, I cant offer any suggestions
>>> though.
>>>
>>> Alan
>>>
>>>
>>> On 25/09/2012 17:57, Clifton wrote:
>>>> Hi All,
>>>>
>>>> On Duplex pumps I have been building one of the Southworth steam feed
>>>> pumps,
>>>> the little 3" high one& it is driving me round the twist.
>>>>
>>>> On a full size pump it is usual to have a rocking arm to transpose the
>>>> down
>>>> motion at the end of the piston rods travel to an up motion of the steam
>>>> slide valve to make it double acting. (& vice versa at the top of the
>>>> stroke). This little beast uses a slide valve which via steam passages
>>>> operates a shuttle valve which then moves the main steam valve in the
>>>> opposite direction.
>>>> As the whole pump is only 3" high you can imagine the size of the steam
>>>> chest which has two slide valves& a shuttle valve in it.
>>>>
>>>> I have now spent about a week trying to get it to work including making
>>>> three news sets of slide valves& a new port face. I have trued to slide
>>>> valve faces& port face using engineers blue& as far as I can see it is
>>>> perfect.
>>>>
>>>> But will it go, will it heck!
>>>>
>>>> I think a bit of redesign is going to happen to get a rocking arm in.
>>>>
>>>> Regards
>>>>
>>>> Clif
>>>>
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