Search found 258 matches

by steamboatjack
Sat Apr 06, 2019 8:20 am
Forum: Technical - Engines and Boilers
Topic: Desuperheater question
Replies: 15
Views: 1309

Re: Desuperheater question

I agree with TT, an economiser would be better than a superheater.
Regards
Jack
by steamboatjack
Sun Jan 20, 2019 8:27 am
Forum: Technical - Engines and Boilers
Topic: Con-rods and length
Replies: 28
Views: 2068

Re: Con-rods and length

If you are designing an engine from scratch as I do, then 2.5:1 is a minimum, my current engine build has 2.67:1
Regards Jack
by steamboatjack
Sun Dec 02, 2018 10:21 am
Forum: Sales and Trade
Topic: leak engine bargain
Replies: 0
Views: 833

leak engine bargain

by steamboatjack
Wed Nov 14, 2018 8:28 am
Forum: Sales and Trade
Topic: Source of Pipe Elbows
Replies: 9
Views: 1182

Re: Source of Pipe Elbows

These are made in the UK by Pegler Yorkshire and are called Yorkshire GHD (general high duty). they have silver solder in and are expensive. I am not sure of a stockist but Pegler should tell you, please let us know!
regards Jack
by steamboatjack
Wed Oct 31, 2018 4:54 pm
Forum: Welcome
Topic: Gordon Cheape Compound
Replies: 61
Views: 8218

Re: Gordon Cheape Compound

The different laps are probably to arrange an earlier cut off on the H.P cylinder, as there are no eccentrics and assuming all the links are of the same size then this would make sense? Marine engines of more than one cylinder were always considered as separate engines. With Stephenson gear it was n...
by steamboatjack
Fri Oct 26, 2018 7:57 am
Forum: Technical - Engines and Boilers
Topic: Carnot cycle explained!
Replies: 5
Views: 981

Re: Carnot cycle explained!

I used to have a Carnot cycle but the wheels fell off!
Jack
by steamboatjack
Wed Oct 17, 2018 8:12 am
Forum: Welcome
Topic: Gordon Cheape Compound
Replies: 61
Views: 8218

Re: Gordon Cheape Compound

You need to join the steam boat association!
by steamboatjack
Fri Oct 12, 2018 7:28 am
Forum: Welcome
Topic: Gordon Cheape Compound
Replies: 61
Views: 8218

Re: Gordon Cheape Compound

The Cheape engine rights were sold to Hugh Mothersole who marketed them for a while and made a good set of drawings, the sheet above is a copy of one and is specific to this engine. Hugh sold the rights to A.J. Reeves 2000 who market various bits/drawings for really silly money! I see this particula...
by steamboatjack
Thu Oct 11, 2018 7:52 am
Forum: Welcome
Topic: Gordon Cheape Compound
Replies: 61
Views: 8218

Re: Gordon Cheape Compound

Martyn, First of all, the angles between the crank throws is not important so long as the valve gear is timed to the relative piston, some Savery engines were made at about 118 degrees as they considered it better balanced. Forget about even beats when you have different sizes of cylinder! Leave the...
by steamboatjack
Sat Oct 06, 2018 7:36 am
Forum: Technical - Engines and Boilers
Topic: Unknown engine - HELP identifying please
Replies: 7
Views: 1251

Re: Unknown engine - HELP identifying please

I believe this was an aux. engine to drive a pump or fan, very common on steam ships, it looks like the bracket which connected the pump/fan has been broken off.

Regards Jack
p.s. forget photobucket, use the direct attachments box.