The Famous Freesteam Forum Forum Index
The Famous Freesteam Forum








For collectors and enthusiasts of all steam engines.


Providing the very best in toy, model and
full sized steam for a decade.

 
 FAQ   Search   Memberlist   Usergroups   Join! (free)  
 Profile   Log in to check your private messages   Log in 

The Whitchurch Light (Industrial) Railway
Page Previous  1, 2, 3
 
Post new topic   Reply to topic    The Famous Freesteam Forum Forum Index -> Enjoy your garden!
View previous topic :: View next topic  
Author Message
Please Register and Login to this forum to stop seeing this advertising.






Posted:     Post subject:

Back to top
Spokesmann
Administrator
Administrator

:

Joined: 08 Jun 2007
Posts: 19295


Location: Plymouth, England

PostPosted: Tue Oct 22, 2013 6:19 am    Post subject:  Reply with quote

Interesting points!
_________________


Resident Mamod detective
Back to top
View user's profile Send private message Send e-mail Visit poster's website
Sean C
Minor 2 - novice
Minor 2 - novice

:

Joined: 30 Oct 2010
Posts: 70


Location: Hampsire, England

PostPosted: Tue Oct 22, 2013 2:47 pm    Post subject: Reply with quote

I suppose we are getting well Off topic!, but I promise to post some photos of my garden railway in the next day or two (tonight is Scalextric racing club).

There were some raod engine makers who tried piston valves, Aveling and Porter did, but not for long. Due to the increased risk of priming in aroad engine as the inclination of the boiler can change very quickly, they fitted spring loaded draincocks. The effect of getting water trapped in the valve in such a machine would be to fire the cylinder end cap off, not a pleasant prospect. Slide valves are more forgiving, plus given the conservatism of many traction eninge drivers meant most engines used slide valves.

There were a few traction engines built with superheating, but not many. as far as I am a ware it was generally found that with the size of boiler, working pressure, difficulty in getting the works in and maitaining more tubes etc it was not worth the expense. Those engines which it survived on longest were large ploughing engines. There is one Garrett traction engine which is seen out and about frequently in our area, called Olive, which has the characteristic square top to the smokebox of a superheated engine, but I think I am correct on saynig that the actual superheater was removed a long time ago.
Back to top
View user's profile Send private message
Spokesmann
Administrator
Administrator

:

Joined: 08 Jun 2007
Posts: 19295


Location: Plymouth, England

PostPosted: Tue Oct 22, 2013 3:59 pm    Post subject: Reply with quote

Sean C wrote:
I suppose we are getting well Off topic!, but I promise to post some photos of my garden railway in the next day or two (tonight is Scalextric racing club).

There were some raod engine makers who tried piston valves, Aveling and Porter did, but not for long. Due to the increased risk of priming in aroad engine as the inclination of the boiler can change very quickly, they fitted spring loaded draincocks. The effect of getting water trapped in the valve in such a machine would be to fire the cylinder end cap off, not a pleasant prospect. Slide valves are more forgiving, plus given the conservatism of many traction eninge drivers meant most engines used slide valves.

There were a few traction engines built with superheating, but not many. as far as I am a ware it was generally found that with the size of boiler, working pressure, difficulty in getting the works in and maitaining more tubes etc it was not worth the expense. Those engines which it survived on longest were large ploughing engines. There is one Garrett traction engine which is seen out and about frequently in our area, called Olive, which has the characteristic square top to the smokebox of a superheated engine, but I think I am correct on saynig that the actual superheater was removed a long time ago.


Would love to see some images of the Scalextric club.  I collect a few Scalextric junior cars form the 60s... shove em in the 'Off topic!' area!


_________________


Resident Mamod detective
Back to top
View user's profile Send private message Send e-mail Visit poster's website
Display posts from previous:   
Post new topic   Reply to topic    The Famous Freesteam Forum Forum Index -> Enjoy your garden! All times are GMT + 1 Hour
Page Previous  1, 2, 3
Page 3 of 3

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum

Card File  Gallery  Forum Archive

// --> Powered by phpBB © 2001, 2005 phpBB Group
ar_grey Template Made By Superaktieboy

The Freesteam logo and name Copyright Mike Jane 2007-2017



Create your own free forum | Buy a domain to use with your forum