Search found 10 matches

by mtompson
Fri Aug 07, 2026 7:17 pm
Forum: Technical - Engines and Boilers
Topic: Pumps galore!
Replies: 11
Views: 3512

Re: Pumps galore!

Excellent, many thanks
by mtompson
Fri Aug 07, 2026 7:15 pm
Forum: Technical - Engines and Boilers
Topic: SBA VFT 102
Replies: 2
Views: 1225

Re: SBA VFT 102

Many thanks
by mtompson
Mon Jul 27, 2026 12:39 pm
Forum: Technical - Engines and Boilers
Topic: Pumps galore!
Replies: 11
Views: 3512

Re: Pumps galore!

This is a nice one which no doubt many have seen as it often pops up in searches. Notice no return to the hotwell (feed and filter tank here) after the feed pumps and then this being activated by a float switch, not sure how common this was in original ship steamplants.
by mtompson
Fri Jul 24, 2026 12:51 pm
Forum: Technical - Engines and Boilers
Topic: Pumps galore!
Replies: 11
Views: 3512

Re: Pumps galore!

For discussion only!
by mtompson
Fri Jul 24, 2026 9:09 am
Forum: Technical - Engines and Boilers
Topic: Pumps galore!
Replies: 11
Views: 3512

Re: Pumps galore!

Thanks Bart! All good stuff. I might make up a new diagram with all these 'options' and some notes. It's amazing how many combinations there can be on these steamplants!
by mtompson
Mon Jul 20, 2026 8:30 am
Forum: Technical - Engines and Boilers
Topic: SBA VFT 102
Replies: 2
Views: 1225

SBA VFT 102

I saw on the Boiler Design Library of the SBA website that the weight for the VFT 102 was 300kg, is this correct? seems high?

Out of interest in terms of getting a feel for steamplant matches of engines to boilers, is this boiler a good size to run a small boat (16ft?) with (as an example) a Stuart ...
by mtompson
Sat Jul 18, 2026 6:38 am
Forum: Technical - Engines and Boilers
Topic: Pumps galore!
Replies: 11
Views: 3512

Re: Pumps galore!

Thanks Mike, as I’m learning, I guess I’ve focused on larger systems, compounds, expansion etc, it’s really good to understand the small systems in comparison. Fascinating stuff.
by mtompson
Mon Jul 13, 2026 5:58 pm
Forum: Technical - Engines and Boilers
Topic: Pumps galore!
Replies: 11
Views: 3512

Re: Pumps galore!

That’s great, thanks for that.
by mtompson
Mon Jul 13, 2026 3:41 pm
Forum: Technical - Engines and Boilers
Topic: Pumps galore!
Replies: 11
Views: 3512

Re: Pumps galore!

'A' is simply the exhaust, I don't expect to see any kind of pump here.
by mtompson
Mon Jul 13, 2026 1:02 pm
Forum: Technical - Engines and Boilers
Topic: Pumps galore!
Replies: 11
Views: 3512

Pumps galore!

In the attached image of a basic steamplant, I'd like anyone's opinion on the need for a pump (or pumps) at positions A and/or B (if at all). I appreciate the need for more detail, but at this stage I'm trying to learn how it all works at a high level. I have seen many mentions of an air/water pump ...