THE
VOL 35 No.2
OCT 2004 THE MODELLER
WEB SITE: www.tsme.ca TSME CHAT LINE: tsme@yahoogroups.com
Please plan to come and join your fellow members for the second 2004/2005 season meeting on
FRIDAY 8 OCT 2004 AT 8.00pm; the usual
place -
Parking at the hospital – We are sure you would like to know about the reduction from $5.00 to $3.00 for parking particularly if you put in $5.00 last Friday. This reduction is indeed good news, but still, see if you can carpool with a member who lives nearby or who lives en route. Don’t forget that it will be $3.00 for the October meeting.
FOR THE EVENING’S PACKED PROGRAM, YOU’LL HEAR FROM:
Guest MARTY IFTODY, a member of the Toronto Model Railway Club of Hanna Avenue, will give a slide presentation on the controls for this extensive ‘O’ gauge layout,
Guest DAVE WOODHEAD will talk about G scale Garden Railways and the enjoyment he gets from his hobby
PAUL STEARNS will explain how he makes deep curved slots,
GERRY REED will give a talk on parting-off in the lathe,
RICHARD TROUNCE will give some more on bearings – this time - on plane bearings
CHARLES DUERDOTH is working on a Tom Thumb locomotive and will tell us how far he has got with it.
ALLAN LABBE has a home made Large Format 4 x 5 camera and will talk about its construction
ROBERT WYSS has been making some small spark plugs and other things – he will talk about the machining processes he used, and
If you have a project you are currently working on, or recently finished – please bring it along and we will do all we can to fit your item into the program.
WHAT’S UP & COMING : MEETING
DATES 8 Oct, 12Nov, 10 Dec, 14 Jan 2005, 11 Feb, 11 March, 8 April,
13May, 10 June @
OTHER EVENTS:
IN CASE YOU MISSED IT – THE TSME PICNIC 11 SEPTEMBER
Was once again held in perfect weather at BOB ALLIN’S in Orono. 2 Locos were running on the 7 ¼” ground level track, the 2-4-0 Virginia and the British loco. Much driving, mainly by Richard Trounce and Mike Salisbury, kept these two locos running most of the day – thank you both. There were tables for models – and quite a few arrived – of various types. Dave Sage demonstrated his marine engine running. Dave Powell had his steam roller operating for whoever wished to try their hand at driving it; Dave Bowes has his boat up to about 35kph on the pond and tried to see if it could become airborne as well. John Chappell assembled his collapsible canoe and also bravely took his annual picnic swim in the pond ! Corn, Hamburgers and Hot Dogs as well as pop and coffee were happily consumed.
All who came to enjoy the day were not disappointed. Thank you Bob and Pam Allin for hosting this once again, in such fantastic weather.
IN CASE YOU MISSED – THE SEPTEMBER MEETING…….
RICHARD TROUNCE gave his part 3 talk on bearings. He spoke about the precautions needed for preloading ball bearings. A 0.001” interference fit is usual for the inner race to shaft fit and a clearance fit for the outer race in its housing. This for when a shaft is the rotating part. Some bearings have a tapered bore suitable for a tapered bushing. Too much preloading with this type of fit can overload the bearing and cause premature failure. For model engineering the best type of bearing is the sealed bearing to prevent ingress of dirt – the enemy of bearings. Mist lubrication is the best type and is superior as the atomization of the lubricant ensures that it reaches the ball race contact areas.
DAVID BOWES talked about some of the problems he had this summer with his twin cylinder engine in his boat. He was running it at about 10,000rpm when the rear bearing cover came off – the crankshaft had failed (came apart). Then after this had been fixed, the muffler shook itself apart. He has now added a collar under the muffler body that seems to have cure this ailment. A small bracket in bent aluminum supporting the ignition coils failed. He has now increased the radius of the bend which seems now to have rectified this. It was suggested that freezing aluminum before bending reduces the chances of cracking at the bend. His final problem was that one of the rechargeable batteries suddenly went from a 1.5volt change to a negative 1.8volts while the boat was running. He was luckily able to retrieve the boat.
DAVE SAGE brought in his recently completed restored
JIM SMALL showed the Smoke Box door for his 7 ¼” gauge locomotive, how the petticoat will fit and talked about the modifications for oil firing this loco, which included the repositioning of the petticoat from the usual (higher) position for coal firing. A spray gun type nozzle will be used as the oil burner, positioned at the front of the firebox directed towards the rear. A needle valve will be used to control the oil flow. Diesel fuel will initially be tried. Compressed air is needed to start the atomization of the fuel. Jim also explained the function of the snifter valve fitted in the smoke box - to relieve smoke from entering the cylinders when the regulator is closed down.
Held at $30.00 for the coming year. Your cheque or cash will be happily accepted by our treasurer ART GORDON at the meeting. Please let Art know, however, if you feel you have difficulty in affording to pay the dues: we wish you to remain a member.
If you are joining as a New Member, please provide your: name, address, phone number and e-mail address if you have one, and whether you would like to receive our newsletter, THE MODELLER by email, or by post.
LIBRARY: Our Librarian, GERALD GARDINER has made up a list of books – with names ! - that are still missing from the library. Please check your shelves or bookcases AGAIN for possible TSME books. Please return any books that you have so other members will be able enjoy and refer to them.