Welcome to the Web Pages of the
Canterbury Society of Model Engineers - celebrating 80 years!
The Canterbury Society of Model and Experimental Engineers Inc (CSMEE) is for all people in the Canterbury region who are interested in the design, construction and operation of models and machines. We are based at Halswell Domain. Come and see for yourself, we would love to see you. Why not become a member or supporter of CSMEE? Click here to check out our Facebook Page. Take advantage of our new Family Membership.
The Club Contact for making a booking for a group to visit our facilities is Peter Grounds Ph 343-1443 (evenings) or John Howie Ph 388-7629.
What's Coming Up?
General Meeting Tuesday 4 June Speaker TBA. Clubrooms Halswell Domain. 7.30pm
CANMOD 2014 CANMOD 2014 CANMOD 2014 CANMOD 2014
CSMEE is hosting the Bi-annual Model Engineering Rally CANMOD 2014. 2 - 6 Jan 2014.
Club members (who are all volunteers) endeavor to run model trains at our site in the Halswell Domain on Sunday afternoons from 1pm to 4pm throughout the year - subject to weather.
Follow the signs at the main entrance to the domain - off Halswell Road
Special Boat Sailing days are held the 2nd Sunday of each month. Traction engines and other models will be operated from time to time.
Whilst every effort will be made to ensure that trains and other services run as advertised, CSMEE reserves the right to cancel any service without notice and no liability for any loss will be accepted by CSMEE.
Meetings will be held at 7.30pm at our Clubrooms at Halswell Domain
First Tuesday of the month - General Meeting often with a guest speaker
Second Tuesday of the month - Boat meeting
Third Tuesday of the month - Chat night
Welcome to our new trolley sponsor - Scobie Tyres.
If you want to take advantage of our Sponsorship opportunities contact us.
See below for more details of this fine model.
The model is based on a British Railways Class 7 Locomotive. These were referred to as Britannia’s after the name of the first of the batch of 55 produced. However the model does differ in terms of the valve gear. During the design phase of the standard Class 7 locomotives in the late 1940’s, it was proposed to fit them with Caprotti poppet valve gear. This was never done and Walschaerts piston valve gear was used instead on all 55 of the class numbered 70000 to 70054.
The Caprotti valve gear was however used with some success on the later Class 8 (Duke of Gloucester) and many of the Standard Class 5’s. The gear had many advantages in reduced maintenance and virtually doubled the cylinder efficiency on these locos. It is proposed therefore that if there had been any further batches of Class 7’s then the Caprotti gear would have been employed and the loco number 70055, used on the model, reflects the 1st of this possible second batch which never actually happened.
The name “Robert the Bruce” follows the trend in naming the Class 7 engines after well-known historical British people. He was the king of Scotland in the early 14th century and the train head board “The Royal Highlander” fits nicely with the loco name. This train used to leave London Euston every evening and was the overnight sleeper to Perth, often being pulled by a Britannia.
As if a project like this is not enough of an undertaking, Ian also had to deal with the effects of the Christchurch earthquakes. Unfortunately Robert the Bruce toppled off his stand sustaining damage. Picking up a 350kg locomotive is no easy undertaking let alone seeing the damage to your pride and joy.
Gauge 7 1/4"
Boiler Working Pressure 100 psi (690 kPa)
Click on the link below to see a YouTube Video of "Robert the Bruce"
The newly machined Camboxes
The completed cambox (without the cover). See video below for its operation.
Click on the link above for video of testing the running gear
and the valve arrangements
Click on the link above for video of the Camboxes.
They are a work of art in themselves