Its for the Collin/Weise Flying Scotsman.
Not sure how hard it would be pumping against a 100psi boiler in a panic
with that 5/8" bore ram!
Nice design though.

Simon

----- Original Message -----
From: david_steam <no_reply@...>
To: <halfinchlivesteamforum@...>
Sent: Wednesday, May 28, 2003 8:08 AM
Subject: [Half inch live steam forum] Handpump drawings
> I was looking in the photos, and saw 'handpump'. Which design was
> this used in. What is the advantage of this design, is it shorter
> than the usual pattern?