Page 1 of 1

2nd class question

Posted: Tue Nov 13, 2007 5:44 am
by carbob
Does anyone know what an Edward's Air Pump is? A friend of mine is writing, and would like to know.

Thanks.

Posted: Tue Nov 13, 2007 9:58 am
by JK
My heavens, was he asked that?

It is a pump run off the old steam recip engines crossheads.
They are designed to to handle air and condensate from a condensor.

I've seen one 25 years ago in a museum.

oh God, I just realized it is more like 28 years :shock:

Here is a little:
http://homepage.ntlworld.com/howard.v.m ... t_well.htm

Edward's air pump

Posted: Tue Nov 13, 2007 2:04 pm
by carbob
Thanks, JK, I'll pass this on. I think it may be time to update some of the questions.

Posted: Tue Nov 13, 2007 3:41 pm
by JK
Even in my oldest book there isn't much on them.

Posted: Wed Nov 14, 2007 5:41 am
by ArkSeaJumper
I am happy to report I have never heard of this.

:P

Posted: Wed Nov 14, 2007 12:28 pm
by JK
Ah, a Motor man!

Posted: Thu Nov 15, 2007 1:39 am
by ArkSeaJumper
Yes,
The only experence I have with steam are TA's, and cargo pumps, but never propulsion.

Most Systems I am looking at these days are Hot water or thermal oil.

Posted: Thu Nov 15, 2007 3:57 am
by JK
My steam experience is the old up and downers. A long time ago.