Skip to content
Browsing as a guest. Create a free account to post, comment, and join the conversation. Log inCreate free account
Sign in
Chris's avatar
Jul 10

New expansion links

We discovered that the expansion links were worn in one engine and broken in F30 so decided that all  the engines were probably in a similar condition and set about making these parts. these parts are now ready for heat treatment and then grinding
1 / 7
Jul 10, 2026
Y
Post your reply…
Reply
Replies (2)
alsancle avatar
· Jul 10
Chris,  not too sound like an idiot, but what are expansion links?
Chris avatar
· Oct 4
these are the curved quadrants that are attached at one end to the reversed direction eccentric  and at the other end to the forward direction eccentric, when the position of the sliding " die block" is at the extremities of the slot the valve is open for the longest duration of the stroke and as the link is moved nearer the central position the inlet steam is cut off earlier , reducing torque but increasing expansion and efficiency follows