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Member postings for DMB

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

Thread: Brooks Stent Grinder Plans
06/09/2019 16:54:55

I have a TG jig built from just 2 castings, one of my round to its. Got the sketches from Canada, Guy Lautard and given the castings by someone who had given up, probably because he had no drawings. So started from scratch a long time ago and it's nearly finished. Just got the tool holder block to bore, drill and tap. Not top of my list as other small projects more pressing, needed for use soon and to keep the write ups going in club newsletter.

The Lautard device is very simple, based upon only one pattern to make 2 castings which need to be machined slightly differently. He goes on to describe different attachments, with necessary drawings included, to sharpen reamers, radius grinding and several others.

Thread: Fitzroy storm glass
06/09/2019 09:58:40

Got it wrong, memory. Concoction went pink, like Shell's "Aladdin pink" paraffin.

06/09/2019 09:54:13

Beware the fake Vodka, apparently fairly common.......

Disagree comments about nasties additives to stop it being drunk. Many years ago I and a colleague finished overtime and went into small pub near work, in Brighton. Very small bar crowded with drinkers obscuring goings on. Two scruffy men sitting at next table with half consumed pint glasses of beer. One looked around to see if anyone looking what he was about to do and furtively pours meths from a blue can (Boots) in brown paper bag. When the glasses were topped up with meths, the mix went the colour of "Esso blue"!

Thread: Building a 4" traction engine
05/09/2019 17:29:32

Hello Karl,

Nobody mentioned it so far, steel boiler means professionally built due to skilled coded welder required and the metal has to be traceable. Find out makers with good reputation. Reading all the above, it looks to be a formidable project so I wish you good luck.

John

Thread: Brooks Stent Grinder Plans
05/09/2019 16:42:52

Hi Mark,

Brooks Stent ; try gadgetbuilder

Stent ; drawings and castings from Blackgates Eng.

Stent drawings and build notes in either ME or MEW.

Harold Halls site and book and his is stock metal sections, no castings, likely to be much cheaper.

HTH,

John

Thread: Fitzroy storm glass
04/09/2019 17:08:35

Hi Anthony,

Fitzroys stormglass was in "Eagle" Annual when I was young. Got it made up at Boots!

They did ask if it was OK to substitute Surgical Spirit, which they did.

I can confirm that it worked very well and I enjoyed using it and comparing with the weather. Seemed to be accurate.

John

Thread: BonhamsAdvert
02/09/2019 21:40:14

Interesting banner ad @ top of forum.

The Engineerium has been up for sale for quite a long while now. I believe that there is only limited access to part of Southern Water's site which is still being used by them, with modern pumps, elec. motor driven. Wonder if there is movement, with the apparent disposal of models? Lovely old Victorian buildings with fancy brickwork and and an old beam engine. Hope it is soon open again to see it working.

Thread: Grid Frequency [mains electricity]
13/08/2019 21:42:43

My parents had a pre - war Smith's mains powered mantelpiece clock which would stop if the electric went off and had to be manually restarted. Mum used that to know when it went off during the day when no lights were on.

More modern similar clocks are made self - starting but would be 'slow' by the length of time there was no "juice."

The clock face had a small rectangular window in the top half, where the room of a small black wheel could be seen rotating indicating that it was going. The wheel rim had a thin wavy yellow line to show it was moving.

Thread: Another scam
07/08/2019 16:05:17

Watch out!

Dont block calls that show your number or you will block yourself!

I have at present, an el cheapo 12 month contract, paying only £15.90 monthly. It tells me the number of last caller only and doesn't take messages. Displays number calling when it rings

1. Any unrecognised numbers ignored by me, which I think is the main reason for the now almost non existent dodgy calls. Family, friends and club members know I will call back if I see their number. Most of us have email or text anyway.

2. I dont waste time listening to messages.

Thread: Dam Solution?
07/08/2019 15:41:25

Lots of things have been done by cheapskate methods, including that dam. Long term, they should rebuild it properly from the ground up in massive rocks which cannot be dissolved/washed away like mud.Fill gaps with concrete, job done and 'everlasting.'

Thread: Furrows on a milled edge
05/08/2019 12:58:12

Yeah, OK, so follow others advice above but after you have exhausted their recommendations, try using a brand new cutter. Lack of info to start with, didn't know it was brass. Dont use a cutter (any type, including files) on brass that you previously used on steel or any other ferrous / stainless metals. Why such a small cutter?any special reason? I nearly always use a biggie - 1/2 or 5/8" for general metal removal, seems to work OK. Self taught using a mill and using large dia endmills, failed to bust em! Sharp cutters = better finish, but correct speed and feed also very important. Many years ago I worked in a factory that was divided by a chain link fence! One side was called "clean conditions" and the other side was the rest where Ali and steel were machined.

Hope all the advice works 4u ok

John

05/08/2019 11:34:13

Try sharpening the flutes.

John

Thread: good service Arc eurotrade
03/08/2019 13:54:23

Add ProopsBros to names above. Ordered something very late night on Thurs 1st and package arrived Sat am so they basically only had Fri. to process and post order. Not done mail order with them before. Very satisfied customer.

John

Thread: Dehumidifier project
30/07/2019 23:02:21

Hi All,

I admire your efforts with electronic gadgetry and well done. However, I have taken a different approach as follows.

They charge 19.98p a day standing charge, 15.6647p a unit or KWH. Working out total charge ÷ useage, almost 20p a unit.

Now, I cover my Super7 and hefty lump bench drill, Fobco Star, with thin plastic sheet, no heat. Only my small mill seems susceptible to condensation, even covered in thick plastic so I keep heat on under the plastic, 24/7. My home made heater is a 3-ply box made to house 4 - off 60W bulbs in batten holders fixed in round holes in the box, in line and wired in series to reduce current and cost. Opposite side of box open adjacent to top of bulbs to let the heat out. This works very effectively. Only gentle warmth, can switch off and touch a bulb and it's only a bit warm. They glow, very low light output.

I am not sure how to work out the running cost but I am certain that it's very low.

Assuming 240V and 60W, A = 1/4, so 240 ÷ 1/4 =960 ohms. Four in series. Continuing calculations resulted in such a small useage for being on for 8760 hours a year and cost apparently so low that I doubt whether I have worked it out correctly. Could somebody please advise how to do this?

The rest of the 10 × 8 feet shed unheated and covered entirely with felt for waterproofing, together with internal insulation. I do have a small humidifier which works by a moving belt and fan over a metal sheet (?) and water collects in a tank at the bottom. Dont use that very often. Tools and vice and work on bench protected by thin plastic sheet and are OK.I keep an awful lot of small tools in the house so they keep rust free with the central heating.

 

Edited By DMB on 30/07/2019 23:06:45

Thread: Another scam
29/07/2019 22:00:05

Sussex Police are handing out notices to stick to a front window. They read:-

WARNING

The residents of this property do not deal with uninvited traders

Please leave and do not return

Failure to do so is a criminal offence under the Consumer Protection from Unfair Trading Regulations 2008

They are in a mix of black, white and yellow with a row of logos along the bottom ; Sussex Police, Btn & Hove City Council, East and West Sussex County Councils.

Worthing club had a speaker from the police who handed them out.

That's my physical callers "fixed" and the dodgy phone callers on the landline are dealt with by only answering recognised numbers in caller display.

Mobile always switched off but it logs numbers of callers which I only call back if I recognise the number.

Emails, "if in doubt, chuck it out" (delete.)

Any of you who need a notice like above, you can easily knock up something similar on your 'puter.

 

 

Edited By DMB on 29/07/2019 22:03:03

Edited By DMB on 29/07/2019 22:03:41

Thread: Welsh Highland Rly
23/07/2019 23:24:01

Just got back from a few days travelling on the WHR.

What an experience. About 40+ miles each way, narrow gauge steam. One day a pin in the reverser broke just after running light to clear the points and back down on to the train at Porthmadog. By the time a diesel arrived from Boston Lodge works, towed the SAR Garratt back around the train and dumped it on a siding and came back to take the train on to Caernarvon, it was about 70 mins late leaving. Staff previously couldn't get the kitchen car generator started, so they were overheard to say what else can go wrong?

I guess the diesel may not be as powerful as the regular steamer, since it seemed to go slower than a subsequent steam hauled train. One part is around 1 in 40.

I see the concrete block gun emplacement on the track bed near the Aberglaslyn tunnels has been dumped on one side to clear the way. When I saw that many years ago before the rebuilding, I thought it was some sort of blockage to make life harder if we'd had an invasion. Never thought I would live long enough to see trains running again but they had very considerable financial help.

They used a loader at Dinas to coal - up but at Porthmadog, they humped 8 large plastic buckets of coal on to the loco.

Can thoroughly recommend the journey - well worth the effort of going. Just a satisfied customer and like a pig in muck!

Edited By DMB on 23/07/2019 23:26:15

Thread: 3.5 NG Conway or Lilla
23/07/2019 22:50:28

Are you planning to make the boiler or to buy in ready made?

Could be important if buying, check commercial boiler makers to ascertain who can do it as I think Lilla is a little rare and they may not have the plate formers. Be aware that the waiting time for a new boiler could stretch to at least a year and possibly a lot longer, so ask about that as well.

Good luck

Thread: Surplus subjects learnt at school.
23/07/2019 22:41:07

I actually wanted to make good use of my English and earn what I thought was good money - become a Compositor but failed to get into the print trade due to the closed shop system run by the unions. So did engineering for a while to Mothers disgust as she hated the metallic smell that I brought home. Done all sorts of things since; Rhine Army soldering, so learnt a few German words. Debt collecting, Security,as fill in job after redundancy til retirement. Previously, done various office jobs including bank - type work for a Simulator company. Having gained experience of handling currencies, I can say that the UK missed a trick. The Dutch Guilder notes had small triangles and circles filled with embossed? pimples to enable the blind to know the value of the note that they held.

Basic engineering training at school is not so relevant today so computer useage and programming is now more important in preparing youngsters for the big job search.

23/07/2019 22:18:54

School (any type) is but a launch pad of learning for later life. Rather like the relay races (which I hated together with all other forms of sport), it's a case of grab the baton and run! I went to a Secondary Modern, having failed the 11+ and learnt useful things like simple plumbing and house wiring as well as woodwork and metalwork.Metalwork was simple lathe turning on a Boxford, hand work like marking out, hackswing and filing, some soft soldering and brazing. I continued to increase my metalworking knowledge with my first job, operating one of several shapers that the firm had. I moved on and used a drill and surface grinder. I bought an old flat bed Drummond and made some loco parts with it and lost them in a house move. A local club member bought the Drummond as his first lathe and I bought a brand new Super 7 from a toolshop in Brighton. I bought a new Sharp brand mill at an ME Exhibition and completely self - taught how to use it.

Point is, you never stop learning after leaving school, it being much easier if you have an avid interest in the subject.

Model engineering needs a certain maths ability, same as if you earn a living in engineering. I am reasonably proficient with maths and at spelling so I cringe every time that I read "arbor" incorrectly spelt with a spare "u" in it. That's only one example of bad spelling all too frequently.

Just wish journalists would stop using rarely used words to show off how clever that they think they are, e.g., "Abrogate" instead of "Stop." There are quite a few examples in the papers. So annoying to have to look up the rarities.

Many years ago I used to read the Sunday Telegraph, which I thought was quite a good quality paper, rather than the red top rags. Imagine the shock at reading that the Editor said todays youth are only interested in the 3 'd's- football, fighting and f***ing in that order and the last word was spelt in full.I nearly dropped the paper. Today, the world has moved on and one hears this used in common conversation, even by young teenage girls. Trouble is, I'm getting old and left behind.

 

Edited By DMB on 23/07/2019 22:21:11

Thread: Milling Problems
17/07/2019 23:45:52

I have several new iron castings to take to next club wrinklies day, when we have a BBQ.

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