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Member postings for Nicholas Farr

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

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Thread: Technical and engineering drawing.
19/04/2011 00:54:40
Hi Ramon, not many more ways of saying what has been said, but I think I have said before that a late cousin of mine always said from the time I first meet him that "every day is a school day" and over the years I have come to realise it is true. No matter how well or how long one has been doing anything you can always learn something new about it, someone else has learnt something you haven't and vice versa.
 
An engineering background should always give you some sort of edge of understanding drawings, even if you don't grasp every aspect of them, but as it has been pointed out, not all ME's have an engineering background. Myself I believe I have always had a natural ability to understand mechanical things and being able to interpret most drawings and sketchs, but I can't say I know all the rules and standards about them.
 
I also don't believe that anyone finds every thing in every issue of ME or MEW interesting, I find many of them have a lot of non-interesting things to me in them, but then I'll read a letter that someone has written or a posting on here that has a reference in one or the other mag' and some interest is sparked off by that aspect of the artical, the artical itself still has no interest to me though.
 
Regards Nick.
18/04/2011 10:05:55
Posted by Eric Cox on 18/04/2011 09:31:11:
Judging by the number..........................
 
It should be realised that TD is an engineering skill and not something done on the back of a fag packet.
 
 
Wot!
 
Hi Eric, all the best ones were done on fag packets, it all depended on which brand the draugths-man smoked, and at least you could argue that it wasn't your fault if it went pear shaped.
 
Hi Sam, I haven't seen your test before. Is it a trick question?
 
Regards Nick.
Thread: VFD Drives
18/04/2011 00:13:49
Hi, Well to be honest I'm not sure how I'm chargred for my electricity, except that I get cheap rate between midnight and 7.30 AM GMT, and I pay my bills on a monthly plan by DD. In the old days you used to get a standing charge for supplying electricity, which I presume ment a charge for every meter you had, and then a usage charge for each and every meter. I assume its still much the same.
 
Regards Nick.

 

Edited By Nicholas Farr on 18/04/2011 00:15:17

Thread: Technical and engineering drawing.
17/04/2011 23:38:39
Hi Terry, I first learnt TD at school and next to metelwork was my favarite subject, and while I understand TD's fairly well I believe, I couldn't tell you if it was BS 308 or not, as I've never really had to know that.
 
When I was at colege on my C&G welding courses we did TD at a more advanced level (as you would expect) and when into the technitions course even more intense. But this was when the ISO standards were becoming more of a standard in industry, and all before PC's let alone CAD existed. I do have a simple to use CAD programe, but I am not fully coversant with doing CAD in general.
 
While CAD has undoubtable advanced TD, you still need basic knowledge of drawings to undetrstand them, and I think the ability to do TD traditionally would go a long way to understand CAD drawings.
 
While learning at school and coledge, freehand sketching and the use of TD equipment to produce isometric views was also included in the subject. While on my C&G courses the geometry of sheet metal work was part of the subject also, as the need to develope things like cones and ducting interceptions needed to be understood.
 
Even now I don't pretend to know everything about TD and I sure those who know very little would be interested to learn some basic hands on knowledge of it, using such things as Tee and Set squares and the like. Model Engineering is not just about bulding models. How many people have though of taking it up, but dismissed it because they don't know what the drawings mean?
 
Regards Nick.

 

Edited By Nicholas Farr on 17/04/2011 23:48:50

Thread: No turning for me this weekend
16/04/2011 10:54:01
Hi, I think uneven brush wear is fairly common in a lot of electric motors. My Bosch 4 1/2" angle grinder always wears one more than the other, but one good thing I like about thier brushs, is that they have a little plastic sprung loaded pin embedded into the brush which pops when they get to short, and disconnects them from the commutator, thus stops it being damaged by arc burning.
 
Getting spare brushs is always a good idea, as long as you remember where you put them when the time comes that you need them.
 
Regards Nick.

 

Edited By Nicholas Farr on 16/04/2011 10:55:20

Thread: Paint Stripper
15/04/2011 04:19:53
Hi Terry,  yes it is only Silica Sand that is banned as a commercial blasting agent. Where I used to work, I could have just about any amount of dried sand I wanted (suitable consent granted from any member of management) provided I didn't tell them I was using it for sand blasting. I don't think there is any law to stop you using sand in your own back yard for your own personal use, but you just can't buy it for that use, or use it in a place of work.
 
Regards Nick.

Edited By Nicholas Farr on 15/04/2011 04:37:14

Thread: Combination Square
13/04/2011 22:21:38
Hi, there is cheap, and there is cheap and nasty. The cheap ones you tend to find in DIY stores, are just DIY quality. I have bought cheap (compared to M/W and Starret ect.) from one or two traders at the various exhibitions for workmates in the past which have been very good value for money, and are accurate enough for most jobs people use them for. I've even compared one set against one that a work colleague had that was made by one of the reputable makers, and the difference was unoticeable, even the colour was the same, its accuracy was the same also.
 
As I've said earlyer I have a M/W which is half a degree out.
 
Regards Nick.
Thread: 'New lathe chuck jaw screws'
13/04/2011 21:56:24
Hi, most supplyers of nuts and bolts to industry should be able to get any type and size grub screws you require, most of them will accept cash sales these days.
 
Regards Nick.
Thread: Combination Square
13/04/2011 15:02:12
Hi Peter, most of these that I've seen will be flush with the bottom of the protractor when at 0, however I have a M/W one that is 1/2 degree out and there is no piece of metal that you mention preventing it to sit in the slot correctly.
 
Some of the slots in different makes I seen have a raised portion in the middle of the slot lenghwise with it, as if it has been saw cut either side so to speak. I think you will have to study your one and decide if it is worth trying to improve it, or to allow for error when in use.
 
Regards Nick.
Thread: Countryman's Steam - Chain drilling
09/04/2011 10:22:09
Hi Jason, I did wonder myself if it was a drawbar, but why show it in this drawing.
Regards Nick.
Thread: Making wheels by casting in the spokes
09/04/2011 09:53:34
Hi Jason, very interesting videos. Would be very dishaertening if after all the work involved it ended up pear shaped when they pulled it from the mould, but I suppose they have done this type of thing many many times and have a lot of confidence in thier work.
 
Regards Nick.
Thread: Countryman's Steam - Chain drilling
09/04/2011 09:46:10
Hi, no! I can't fathom out how this view relates to the spokes either. I have studied it several times and joggled about with some of the dimentions to see if the 13/16" can throw any light on it, but nothing seems to make any sense.
 
Regards Nick.
Thread: Boiler cladding material
08/04/2011 09:21:33
Hi Tony, I think that the 12" X 12" profile seems to be a postal standard size, you can often obtain larger sizes at the various exhibitions, especialy if you ring any of the suppliers a week or so in advance and ask for them to reserve it for you.
 
Regards Nick.
Thread: Digital Edition 2
07/04/2011 20:20:16
Hi Nick, I did metion these two issues are missing from the archives back on 07/02/2011 in the thread Digital Issues by Ray Lyons. David did reply by saying that he asked for them to be put in, but seems that hasn't happened.
 
Regards Nick.
Thread: Suggestions please Vol2
06/04/2011 10:38:42
Hi martin, although I've not actually used these RS bearings, I have used similar types of the rod end variety, and in good condition, although they have enough friction in them to stay put, they are very free to move to any position required with very little force.
 
Regards Nick.

Edited By Nicholas Farr on 06/04/2011 10:51:12

Thread: Junk or what?
05/04/2011 20:02:56
Hi, I was going to say it might have been a well tube with which you could obtain water from below ground, but it looks as if Andy has it sussed with his link.
 
Regards Nick.

Edited By Nicholas Farr on 05/04/2011 20:03:39

04/04/2011 10:21:03
Hi again sam, maybe it was a tunnel under the road for small animals to get from one field to another.
 
Regards Nick.
04/04/2011 09:48:10
Hi Sam, yes I to think it may be an old wooden pipe/tube for something or other. It may have been built a bit like a barrel, but instead of steel bands, it has the wire wound round it from one end to the other and then it would have been covered with a bitumus impregnated felt type material to make it leak proof.
 
Regards Nick.

Edited By Nicholas Farr on 04/04/2011 09:49:02

Thread: Harrogate model engineering 2011 ?
03/04/2011 14:44:07
Hi Paul, I ment to also say the introduction on the flyer that I have, is the same as on the website. There is a list of clubs, associations and societies attending, and a list of trade stands, but no mention of any lectures. The contact details are also the same as the website.
 
Regards Nick.
02/04/2011 18:47:28
Hi Paul, I have a flyer that came with an order from Chronos yesterday, and it states the exact same dates.
 
Regards Nick
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