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Member postings for Geoff Theasby

Here is a list of all the postings Geoff Theasby has made in our forums. Click on a thread name to jump to the thread.

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Thread: Steam
26/02/2011 15:58:24
I hasten to add that I build and own stationary engines. Anything mobile would not meet the above requirements.
 
Regards
Geoff
26/02/2011 15:57:00
I have given up running my engines on steam. I bought a vertical boiler, to which I added a water gauge. I ran it on solid fuel tablets, which is clean and convenient. Three tablets would run a Stuart beam engine for about ten minutes.
Everything vomits water, you need a towel around the models to soak it all up, and they seize up if not run regularly.
Compressed air is far preferable, and it is clean and free of water. Models run on air are ready to run time and time again, without any preparation.
 
Regards
Geoff
Thread: Here we go again
25/02/2011 14:38:17
My wife's sister lives in Christchurch, she and her family are OK.
I am awaiting the latest newsletter from the Otago Model Engineering Club, they are likely to have some information, depending just when they go to press.
 
Regards
Geoff Theasby
Thread: Identification of a metal
22/02/2011 20:15:09
From memory, I think Plutonium is dark grey.
We journalists have diverse interests.
Thread: Aircraft General Discussion
31/12/2010 11:40:11
If you are into illustrations of aircraft, etc, have a look at "British Piston Aero Engines and their aircraft" by Alec Lumsden.   It contains some great cutaway drawings of engines.
 
Regards
Geoff Theasby
Thread: Rulers - my pet peeve
28/12/2010 15:50:50
John,
 
I have a Rabone rule with 1mm on the top and 1/2mm on the bottom of the scale, but my problem is marking off the divisions accurately, not being able to see them.   (I am short-sighted, so it's OK)
 
I guess it is my incompetence that is at fault, despite using a good pair of dividers.
 
Regards
Geoff
 
 
Thread: christmas presents
26/12/2010 12:49:33
I got a tee shirt too!   Advertising Henderson's Relish!
That'll stop me from lounging around the house in my PJs.   (There goes my credibility)
 
Regards
Geoff
Thread: Aircraft General Discussion
22/12/2010 17:04:49
I have visited Doncaster air museum, Manchester Aviation museum and Newark Air museum.   All fascinating, and I took lots of photos.   Newark has a complete Shackleton, which is one of my favourite aircraft, and a Vulcan, and I used the photos to write an article about air radar, not yet published.
At Newark you can climb inside the Vulcan and the Shackleton, and have them explained.
Cockpits are restricted to real pilots, perhaps to avoid strangers from pulling up the undercarriage, perhaps.   Nevertheless, highly fascinating.   Other aircraft have the cockpits open to all.   I found them very restrictive.
 
Doncaster has the airframe of an Auster.   It doesn't seem capable of holding itself together, let alone forming an aircraft, it is so flimsy.   Other aircraft are parked outside.   The Lightning seems as tall as a block of flats.
 
Regards
Geoff
Thread: Chemical blackening
18/12/2010 11:45:26
GLR Distributors sells blacking compounds.   They advertise in ME and MEW.
 
Regards
Geoff Theasby
Thread: Brake Discs
04/12/2010 13:43:37
I regularly leave my Volvo 740 parked for a week or more, even in the snow and ice, and, so far, the brake discs have never shown any sign of rust.   Braking is predictable and even, and the pads seem to be wearing well.
My past experience with ridged brake discs on other cars has been that if you let the brake pads bed in to the disc, then braking is normal.   Don't change pads just before an MOT!
Thread: Dynamo/generator.
27/10/2010 08:57:18
I still have a complete power supply using US versions of these.
I am reluctant to part with it because, whatever you may think of the light weight and silent operation of transistor inverters, dynamotors are 100% reliable.
 
Of course, modern mobile radio equipment is all-transistor, and there is no need of inverters.   But when the oil crisis strikes...
Thread: Neville Evans
24/10/2010 14:08:09
Please add my best wishes to Neville.
I always enjoy his articles and take note of his words of wisdom and experience gained throughout his life.
I hope to read his contributions for many years to come.
 
Regards
Geoff
Thread: Is this hobby dying?
08/09/2010 20:10:17
Having retired three years ago, I revelled in doing nothing for the first time in 45 years.
Then I started doing things which interested me, I joined the local model engineering club, I toyed with the idea of helping out at a steam museum, I became chairman of the local advice centre, and did things which I wanted to do, rather than those which I had to.
 
Now I have a job working from home, doing something I am interested in, which keeps me busy from one week to the next, and gets me out and about on nice days.
 
I recommend being retired, one of my friends said "you wonder how you found the time before you left work" and that is so.   Finally, you can indulge yourself, to the extent that you wish to, not that you have to...
 
Regards
Geoff
Thread: Steam Winding Engine and HeadGear Help
02/09/2010 14:22:02
Wayne,
have you tried the Yorkshire Mining Museum, who have a steam winding engine as backup to their electric system, and Pleasley Pit near Mansfield, which still has the winding engine and pithead gear, but not much else.
 
Regards
Geoff
Thread: Rotary table stops
14/08/2010 12:29:17
If your table has four T-slots, you could make an insert to allow the table to rotate 90 degrees before hitting an external stop.   If this stop is moveble to anywhere on the lathe bed or milling table, then your 90 degrees could start and stop anywhere.   A powerful magnet, for instance.
 
 
Thread: M.E.4384 An Unusual Project
14/08/2010 12:24:57
I too have made simple keys before now, it isn't difficult.
It helps if you have the original, but most locks are quite simple, it's easy to work out how to activate them.   At school, I could undo some cheap "yale" locks with my penknife blade.
 
Thread: Cylinder lubrication
11/08/2010 17:49:14
I have deleted the postings advertising lubrication etc, from our Eastern friend.
 
Regards
Geoff Theasby
Thread: Actual diameter of 13/16" die holder in wrench
10/08/2010 21:09:41
Hi Frank,
 
I have never had to "spread" a die to start a thread, but it can be difficult to start if the shaft is not slightly tapered to allow the die to get an initial grip to start cutting.
 
I do most of my tapping in the lathe, but even with everything well lined up, and a die in a tailstock holder, it often won't start to cut without a little help.
 
1/8 inch is right for a 5BA tap.
 

Thread: Ball joint/rose joint
05/08/2010 19:43:25
Hi,
in order to build a project I have planned, I need a small ball joint or Rose joint, perhaps as used in model car suspensions.
I am thinking of one with mounting threads of about M3, but it needs to move in more than one plane, so a simple bolt through a hole in a bar won't do.
 
I have tried the local model shops, who say I need a part number, but haven't a catalogue, and also an ex-colleague who races model cars, but the place he recommended can't help either.
 
Any ideas/suggestions?
 
Regards
Geoff
Thread: Portable bandsaws - any good?
22/07/2010 14:45:05
RJKflyer,
 
you say you haven't space for a powered hacksaw or bandsaw.   I am thinking of buying a small mill, which would replace my power hacksaw on the workbench.   I am therefore thinking of mounting the power hacksaw on a fold-out table, so as to use space in the workshop which would be needed for moving about in normal circumstances.
I wouldn't go back to handraulic or armstrong methods now I have tasted the fruits of electric power!
 
Regards
Geoff
<< First < Prev 22 23 24 25 26 27 28 29 30 31 Next > Last >>
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