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Member postings for Mike Woods 1

Here is a list of all the postings Mike Woods 1 has made in our forums. Click on a thread name to jump to the thread.

Thread: Painting on old galvanize
10/08/2020 09:22:06

+1 for Zinsser Bullseye 1-2-3, followed by Zinsser AllCoat white satin exterior paint. I did my garage door 18 months ago using a small brush for the seams and fiddly bits and a small gloss roller for the rest. I was impressed by the the finish, ease of application and no messy clean up afterwards.

I was dubious about using water based paint at first so did a trial on some of old and new galvanised sheet scraps. Even just 24 hours after application it was very difficult to remove by scraping, but after curing for a week or so it was nigh on impossible to remove. I guess time will tell, but so far, so good.

Since then, I have started using water based paints on interior woodwork.

I have no links to Zinsser, just another DIYer with a paintbrush in hand.

Thread: Yet Another Mystery Object
24/07/2020 18:22:16

Yes, most probably a fuel tank/bunker sounding weight of some sort. IIRC there was a green paste to smear up the side of the weight which turned red in the presence of water.

Thread: Leadscrew suppliers
08/07/2020 09:27:06

I wonder if any of the Warco, Chester, Sieg, Amadeal or Axminster lathes or milling machines use this T16 x 3mm format. If so, the perhaps you could buy a spare part from one of the suppliers and modify to suit? Both my lathe and mill are in storage at the moment, otherwise I would measure them, but I am sure that the lathe is T16 x 3mm x 500mm. Mine is a Chester 920, so has a keyway over its entire length for a feed worm gear, other lathes which use half nuts for both feed and threading would not have that. Also, what is used on the remanufactured Myfords? Maybe others with ready access to their machines could offer some advice. Just a thought.

Edited By Mike Woods 1 on 08/07/2020 09:30:22

Thread: Lockdown Reading - Nevil Shute Rediscovered
05/07/2020 22:49:10

Just realised I have committed an engineering cardinal sin in my opening post. I wrongly spelled a great mans name, Barnes Wallis, not Wallace. Oh! the shame of it all. Now where did I put that hair shirt?

05/07/2020 15:48:05

Like most, I found that Covid-19 lockdown freed up a lot of time, which I sometimes struggled to fill. I started to read more and found new subjects, both in fiction and non-fiction to occupy my mind. I remember books I read when I was in my teens and decided to revisit them.

One author that I remember being fond of was Nevil Shute, not because of who he was (I didnt give it much thought at the time), but that his novels were well written and the plots rather engaging. In lockdown, I have started to work my way through his titles again and am glad I have rediscovered this man. 50+ years on with a career in engineering behind me, his books take on a different dimension. I now realise that he was a very capable aeronautical engineer in his own right, working under the likes of Barnes Wallace, before he pursued a writing career.

I made the mistake of starting with "On The Beach", a bit gloomy for current times. The next was "Trustee From The Toolroom", which resonated with the inner engineer from the start. It wasn't that many pages in before names like Myford, Boxford, Herbert and Boley jumped out of the page. The main character could be one of many regular contributors to ME and MEW. The writing style is of a more gentle age, no crash, bang wallop, bed hopping excitement, but very gripping nonetheless. To all of you model engineers out there who have not read his works, if nothing else, try this one as a bit of bedtime reading.

Edited By Mike Woods 1 on 05/07/2020 15:49:48

Thread: Interpreting these bearing blue patterns
14/06/2020 14:02:11

If these are white metal bearings, I would avoid use of any abrasive. It is all too easy for grit to become unintentionally embedded leading to premature shaft wear.

When I was young and didn't know any better I received a real tongue lashing from the fitting shop foreman for working with abrasive paper at a bench where a fitter was working on freshly made white metal journals for a marine diesel engine. I got a few black looks from the fitter as well. As penance I was given the job of overhauling the cylinder heads for the same engine. The foreman, with great ceremony, handed me a big tub of grinding paste, since I was so keen on abrasives, and sent me to the furthest bench away from the bearings. SIxteen cylinders worth and four on-board spares, each with four 100mm diameter valves to be ground in or replaced gave me time to reflect on the subject of abrasives. I had a couple more ships worth of this activity before the mantle (of shame) was passed to another unfortunate who had earned the dubious honour though engineering misdeed. I was cured of any passion for abrasives

I was eventually allowed to assist in making and fitting plain bearings, under the tutelage of the fitter who had given me black looks several weeks before. I was eventually ured of any passion for engineers blue as well.

Thread: My new lathe a Warco 918
13/06/2020 19:24:39

Once again, thanks for the follow up Ron.

13/06/2020 11:13:48

Thanks for the photo Ron. Crikey, with my night owl question and your up with the larks response, you must be a very early riser, or located several beneficial time zones away.

The modification looks to be very well done indeed. Your description of the nut answers the question on backlash adjustment for wear. My original thought was that the brass insert might have been two pieces, one fixed in place the other threaded into the nut body and locked after adjustment. It was difficult to see from your original picture.

Yes, having nine gib adjusting screws does seem to be a bit of overkill and patience tester when setting up, but if it works, that's what counts.

I did come across a post on another forum on the subject of power feed conversion, but it was more a discussion of motor types. However, a video at the very end show how a 10x22 size lathe was modified to add a drive shaft below the lead screw and combined with a redesigned apron to make a geared system. Ingenious, but complicated. Your approach seems much simpler to make and with suitable electrical fail safes, probably more flexible in use. Looking forward to your updates (one of which has already appeared).

For general interest, here is a link to the discussion thread.


13/06/2020 00:26:13

That is a nice leadscrew nut, much better looking than the original design on my Chester 920. I think this must be one of the many improvements made by the previous owner. I asume that you will be removing the leadscrew to make modifications for the motor drive. If you do, would you be willing to post a picture showing the nut? I would be interested to see how backlash adjustment is done.

Thread: Replacing Warco WM16 spindle bearings
22/05/2020 00:01:54

Timken and NSK also have on-line resources on bearing wear patterns. Warning, some of the images are pretty graphic and liable to distress engineers of a sensitive disposition. Interesting reading though.

21/05/2020 23:28:00

Google "skf bearing wear patterns" SKF publish several pdf documents on bearing wear, with plenty of photographs and illustrations. You might find something useful there. I dare say other manufacturers do the same.

Thread: masks and metal band around nose
08/05/2020 20:42:07

Florists flat aluminium wire. Comes on various widths (I have used 5 mm) and 1 mm thick and sold by the metre, or by weight. There are a number of people on ebay selling it, mostly in China, but I got mine from Oasis Floral Products here in UK. Usual disclaimer, no connection to supplier, they just happened to have some in stock.

I have also read that some people are using aluminium flashing strip (from builders merchants) and hand cutting strips of suitable width.

There is a healthy maker community in the USA making and donating face masks for their health care providers, support workers and vulnerable. Various chapters of US sheet metal workers unions are making nose strips and sending them to the makers on request, free of charge. I have been following the activities of UK based groups who are doing the same charitable work over here, making masks and scrubs for health carers. I have seen no mention of UK unions offering any similar assistance over here. Would be happy to be proved wrong on that.

Me? I have been wrestling with a piece of alien technology (aka sewing machine) of late. I am not sure who is getting the better of who. There has been a bit of language. None of it good. So far I have managed to avoid being dragged head first into the infernal clanking contraption.

Thread: What is this part
02/05/2020 15:18:00

Hello Matthew,

Could you put the picture in your album and link from there. Instructions for this are in the first sticky thread under the forum Website FAQs. Trying to view this using the link provided require me (and others, no doubt) to sign up to a google mail account first. This may limit the responses to your question.

Edited By Mike Woods 1 on 02/05/2020 15:19:14

Thread: 9x19 / 9x20 lathe gearing
28/04/2020 20:36:21

What make and model is the lathe you are getting? Some user manuals are available on-line for this family of lathes, for example Grizzly have a link to one for the G4000. The parts list gives a good idea of what is normally provided.

Thread: Coronavirus
09/04/2020 18:06:40

I have just looked at the expiry date on a box of nitrile gloves I bought about a month ago, it states 2025-01. So it looks like 5 year shelf life to me.

Originally bought to keep hands free of gloss paint while decorating, but now being used for shopping duties. Very useful as I have been unable to secure a delivery or collection slot anywhere and not all stores near me are providing a means of cleaning shopping trolley handles.

Edited: Read nitrile on box, by the time I typed it, it had morphed into vinyl in my mind. My goldfish needs a smaller bowl, methinks 

Edited By Mike Woods 1 on 09/04/2020 18:13:32

Thread: Possible protection from Covid
03/04/2020 17:17:08

Brilliant lateral thinking. The concept is so simple, with a few tweaks for wearability, could be translated into somthing quite useful offering all round protection when combined with a respirator/facemask. There are probably some manufacturers with vacuum forming equipment on slack time around the country who could knock out something along these lines, in large numbers and cheaply.

Edited to remove spelling errors (I hate predictive text)

Edited By Mike Woods 1 on 03/04/2020 17:19:21

Thread: Do your bit and help each other
21/03/2020 09:19:16

I agree that newspaper is a good alternative to toilet paper, BUT dont flush it down the toilet after use, bag and bin it. Same goes for the use of hand tissues, wet wipes, kitchen roll, or in our community blue workshop roll. Toilet paper is formulated to quickly pulp in water, other papers dont. Last thing we need in these troubled times is for our sewage system to be clogged up by a sudden surge of of the wrong kind of paper. You local water providers will have a list of do not flush items on their web sites.

Not sure about how septic systems would cope, but earth closets would be okay.

Who remembers the shiny rolls with each sheet marked "GOVERNMENT PROPERTY", horrid stuff.

Edited By Mike Woods 1 on 21/03/2020 09:23:48

Thread: Virus Alert Levels
19/03/2020 13:28:54

The version I saw had a final comment.

Russia has stated "It wasn't us"

Thread: Warco WM280V-F Gearbox
15/03/2020 12:50:21


Started reading this post whilst making breakfast this morning, The inner engineer woke up then the diagnostician started yammering multiple scenarios in my ear, so I was totally distracted. In the meantime I had cut some bread and buttered it. Forgot the toasting part completely!

Is there a chance of posting a picture of the damages gears, it would help the model engineering "hive" mind to assist you. Your comment about poor meshing suggests (in my mind) partial engagement along the length of the gear teeth perhaps?

With the cover removed, do the levers move freely and do the detents operate positively. As mentioned by Dave Halford, do the selector forks swivel freely and the floating gears slide freely on the shafts? As you will be stripping the gearbox to replace gears, it is a good time to check that the shafts and bearings are okay.

Are there any signs of excessive wear on the operating faces of the selector forks, particularly if there is damage to the front of the gear.

Yes it is a nuisance that you cant see what is happening with the cover in place, but you could measure the distance from the edge of the cover to selector fork faces in each of the lever positions, then move the gears manually by the same measurement from a suitable datum.. That may help to identify if there is a problem with the geometry/setup of the selector levers and detent positions, a problem found by quite a few owners of bench top mills with the Hi/Lo gear head down to poorly aligned selectors at manufacture.

The comments about crash boxes in posts above reminds me of a few choice phrases spoken by the chap who guided me though the process of driving older generation vehicles, ranging on order of kindness from:

"Its only a crash gearbox if you get it wrong"

"There's one in there somewhere"

"Alright, grind the b*****s down 'till they fit"

"Arrgh! &@!!^ #@££%&!, you **"%@@"

If coronavirus measures cause us to go into full self isolation, can't imaging anything worse than having your favourite toys out of action. Hope you get it sorted out quickly.


Edited to remove the easily spotted blooper, no guarantees that none remain

Edited By Mike Woods 1 on 15/03/2020 12:52:33

Thread: renew driving licence
01/02/2020 17:44:08

Nick, just looked him up. Yes, a legend indeed.

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