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Member postings for Baz

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

Thread: Building lathe/mill in cast of concrete?
09/04/2011 21:57:02
If my memory serves me correctly, the Hardinge CNC lathe using concrete was the Talent range. These were slant bed machines as opposed to their CHNC range which were similar to the HLVH series.
Thread: Motorcycle wheel spindles
13/01/2011 09:35:18
Hi Mark,
EN8 is a pretty tough bit of steel, but it can be quite easily  machined on Myford sized lathes
Thread: Late delivery of magazines due to adverse weather
13/01/2011 09:26:59
Hi,
I am also waiting for ME 4394 to arrive in North Hampshire. Suppose heavy rain will be blamed for its late, or non arrival. Funny how none of the bills and junk mail get affected though
Thread: Aluminium smokeboxes
03/01/2011 15:07:57
Gentlemen,
The loco I am currently building has an aluminium casting for the smokebox. Over the Christmas holidays I have machined the smokebox and bored it out to a snug fit to the copper boiler. When telling a couple of club members about my progress I was told that I would need a special sealant for ally to copper, something to do with electrolytic action, they could not tell me what the stuff is but think that it is used on Winson locos as some of these have ally smokeboxes and also on the Pollys. Are there any builders out there who have these locos and have been told the same as me, or what did you seal the smokebox to boiler with?
Thread: Late delivery of magazines due to adverse weather
23/12/2010 17:20:54
Still waiting for ME 4393 and MEW 172. EIM arrived today, about 6 days later than usual.
Thread: Superheaters
23/12/2010 09:38:40
I wonder if some of the Loco builders could advise me on what alloys to use when making superheaters. I am about to attempt my first set of superheater elements, made from copper and I am unsure what brazing alloy to use on the return bends. The bends are contained within the tube as opposed to protruding through into the firebox as a radiant type. I have available the standard easyflo no2 also C4 and B6 alloys, I dont know what the modern classification for them is, Can the smokebox end joints be done in easyflo? Thanks for reading this.
Baz  
Thread: Myford Squareness.
05/12/2010 15:26:20
Am I missing something Chris, why would you want to alter it and what occasion could possibly demand it. Myford go to a lot of bother to ensure the lathe faces concave for good reason, we are perhaps talking about one thou hollow across the diameter of the large faceplate, in fact most ( decent ) manufacturers set their lathes this way, my trusty Holbrook dating from 1946 faces a gnats concave. It is not a case of living with it, it is how it should be - be grateful.
Thread: Southworth 6in Vertical Feed Pump. ME Series.
18/11/2010 19:53:56
What has happened to this series of articles? Looking back through some recent magazines it seems that in number 4387 we were promised an article  would appear in the next issue, it did not, and nothing has appeared since. Would someone like to say why?
Thread: Model Engineer Exhibition tickets
29/10/2010 09:35:45
decided to buy a ticket in advance for this years exhibition, thought I would do it online, big mistake. First I have to remember a password, I cannot so a new one is sent to me, then I purchase the ticket but after putting in card details I am directed to a site for even more security, another password, key in the first, fifth and eighth letter of the password, so I quickly write down password, count 1, 5, and 8th letter, key it in and click on send only to be told YOU WERE TOO SLOW.
Now what happens, nothing, no advice to try again nothing to say if my transaction worked or not, have I purchased a ticket or not, perhaps the editor can tell me, perhaps he can give us old f**ts a few more seconds to write down passwords and count letters, anyone else had problems, or is it only me?
Thread: Machinable Ceramics
04/10/2010 16:35:48
I machine quite a lot of ceramic in my day job, you will need decent carbide tips, use plenty of coolant and you should be OK
Thread: Locomotive Suspension
18/09/2010 17:34:03
Gentlemen,
      I am building a Sweet Pea 5" gauge 0-4-0. I have got as far as a full set of frames and now need to fit wheels, axleboxes, springs etc. I wonder if anyone who has built one of these locos could possibly tell me, firstly, if they used the Blackgates springs, and secondly how much they shortened them by.( I have tried asking this question on the Sweet Pea Forum but got no replies)
Thread: Locomotive Suspension
18/09/2010 17:33:55
Gentlemen,
      I am building a Sweet Pea 5" gauge 0-4-0. I have got as far as a full set of frames and now need to fit wheels, axleboxes, springs etc. I wonder if anyone who has built one of these locos could possibly tell me, firstly, if they used the Blackgates springs, and secondly how much they shortened them by.( I have tried asking this question on the Sweet Pea Forum but got no replies)
Thread: Dangerous Practices
14/09/2010 22:46:57
I feel that I must agree entirely with Crewmech, this article is aimed at beginners, correct practices should be followed. In years to come people will look back at these articles for instruction and this bad practice, because that is exactly what it is, will be perpetuated. I was fortunate to do a proper engineering apprenticeship and if I held work in a similar fashion I would have been sacked. I also went on to run my own business for many years and if I had seen an employee carrying out this dangerous practice I would have sacked him on the spot. I do not care what any of you get up to in your sheds or garages, it is when you commit your dodgy practices to paper and publish it as beginners articles that it matters. Regarding the double sided tape, the steamchest cover should have been gripped in the 4 jaw and faced, then reversed in the chuck to face the other side. Shame on Mr Hall for his bad article and bigger shame on the editor for allowing publication.
 
Baz 
Thread: Worm for Myford Changewheels
05/08/2010 18:52:29
Thank you all for your replies, I have more than enough information now to tackle the job, hopefully it will be done sometime over the weekend.
 
Baz
05/08/2010 10:12:34
Gentlemen, I wish to cut a worm about 1 inch diameter to mesh with a Myford changewheel. Can somebody please tell me what pitch(TPI) the worm would need to be, and also what angle tool would I need? I am making a loco building stand for Sweet Pea and want the worm drive to rotate the loco. The price of a commercial worm and wheel is enough to make your eyes water. Thanks in anticipation.
 
Baz
Thread: "Foundation" book has got me worried
26/04/2010 17:24:23
Hi John,
Like you my workshop is in a garage, a detatched double to be precise, single skin, no insulation and no rust. The secret is to run a dehumidifier constantly.
Thread: Frame material for Tich
04/03/2010 19:06:42
Hi David,
 
   Nothing at all wrong with using gauge plate for frames, I use it in preference to black or bright steel as it does not spring when cut. The only disadvantage is the price but I think it is well worth it for nice flat straight material. Frames should be rigid, look at all the stretchers etc used to brace them, I agree totally with Tony on this point.
Thread: Badger Mini Abrasive Gun
19/02/2010 19:51:51
I also have one, about as much use as a chocolate teapot. Eventually bought one of the Machinery Mart benchtop ones, needs a bit of work doing to it to stop grit coming out in a fine mist everywhere and also a big compressor but at least it works, and yes DO IT OUTSIDE
regards Baz
Thread: Model Engineer 4369
11/01/2010 19:00:15
Still waiting for mine in Hampshire.
 
Thread: why cant you silver solder in the workshop?
01/01/2010 18:34:18
Hi Dave,
      
         Apart from the condensation that may or may not be caused, I think the real reason is due to the fumes released from the flux and the cadmium fumes released from the silver solder rod. Most instructions say to use in a well ventilated area, whatever that may mean. Personally I silver solder small jobs in the workshop with the door open but try to do larger items outdoors, weather permitting! 
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