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Member postings for Bill Dawes

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

Thread: Steam Raising Blower
23/09/2020 23:08:26

As an industrial fan engineer of some 60 years some guidance I can offer on blades is that a flat radial is the best blade for handling dirty gases. Backward curved are more efficient than radial or forward curved but do not like dirty gas too much, you get build up on the underside of the blade which will cause out of balance. Of course I say this on the basis of fans in industrial processes fthat are far more arduous than a model loco exhaust so the penalty of using the 'wrong' blade will probably be not too significant for the limited time they are used.

The blades can be pop rivetted, stresses will be very low in an impeller of this size. My company make high pressure blowers up to 1.2m diameter with rivetted impellers.

Bill D.

Thread: Macc Models Excellent service
23/09/2020 22:52:15

Yes been using Joe for some years now, bit shaky at times in the early days but now excellent value and service, might be a coincidence but a step change seemed to take place when he got married!! You can also be sure your goods will be well packed,!!

Carry on with the good work Joe.

Bill D.

Thread: Gloves in a Bottle
17/09/2020 21:36:27

Reminded me of my apprentice days on the shop floor back in the 60s, we used pink stuff called Rozalex, it didn't soak in, just had this goo on your hands which were black within a few minutes starting work (we used a lot of cast iron in those days) Amazed to see it is still available, hadn't heard of it for years.

Bill D.

Thread: Jobs we had as kids
08/09/2020 22:50:33

Ah yes, lovely ladies, the typing pool in the mini dress era.

If someone had told me then that in the future I would be doing my own typing rather than having a short hand typist i would have said they were mad. What was someone saying about change for better or worse?

Still I did marry one of those typists at Alldays, still going strong.

Bill D.

08/09/2020 19:12:35

A good chance the forge hearth and bellows were Alldays & Onions.

Still see some in rural museums etc. There is an A&O pneumatic hammer at the Iron bridge museums.

Bill D.

08/09/2020 18:53:41

Born and grew up in Brum. Left school at 15 in 1956, teachers nagged the life out of me to take 11 plus but for some strange reason did not want to go to grammar school. Did paper round before I left school and then hopped on a number 44 bus to run errands for my nan, (opposite Tyseley engine sheds) strange foods like chitterlings, faggots and peas (red hot much burning of hand) pigs trotters etc.

Bus conducter sang and whistled his way along the route shouting out all the stops.

Can still smell the workers from Rover, Girling brakes, Dawes cycles, King Dick tools all in that Tyseley area (suds oil) and Smiths crisps cooking fat at the bus stop queue.

Intended to go into the motor industry so wrote off for an apprenticeship to 'The Rover', where my dad and grandad and lots of uncles worked. Unfortunately (at the time) as I had left school at Christmas they had filled their allocation. Went to Alldays and Onions, ( must have some premonition of the demise of the motor industry) fan and foundry equipment manufacturers as an apprentice. Good old fashioned apprenticeship, went to tech and got HNC. Sometimes wonder if I should have gone to grammar school and Uni but at the same time cherish my days on the shop floor before going into the drawing office then tech sales and finally as engineering director. (not with Alldays but still in the fan industry) The fact was that in my working class environment I did not know of anyone that went to uni.

Many great memories of my teens, (you don't worry about all the stuff that gets up my nose now)

Rock and roll, Brum was amazing for that, so many groups (bands were those people that played old dance music then) every pub, dance hall, school halls, community centres, working mens clubs (tone it down a bit lads) had rock groups on. And of course the smogs, you could chew it, thankfully long since gone. Oh and I remember Brum was, I believe, the first city to introduce dim/dip lighting on vehicles.

That was then, now living in rural Somerset, Brum not to my taste now.

Bill D.

Thread: Brook Compton 1 phase motor KP6345
04/09/2020 10:53:40

Yes, that's what I mean about Brook info. I have one of those little books tucked away somewhere, I wasn't on service side, tech. sales in the fan industry, I think one of the reps gave it to me. Absolute mine of information.

Compare that with a Siemens catalogue, an absolute nightmare of codes, part numbers, reference numbers, optional build numbers etc etc. eveything but useful information. To be fair ABB do some good tech stuff.

Bill D.

03/09/2020 23:09:32

By the way, my understanding of wavy washers on electric motors, as well as other bearing arrangements, is to pre-load the non drive end bearing which is the free bearing. The drive end bearing being located. Pre-loading helps to stop the free end bearing from 'rattling about' a relative term of course as clearances between balls and races is extremely small. This helps with reducing noise and wear. I cannot be certain but I think wavy washers are only used on small motors, the load on the free end will be quite small and a too lightly loaded bearing is not good, the rolling element is likely to skid not roll.

Bill D.

02/09/2020 15:54:11

Very late in the day I know but came across this post looking on line for something.

I am not a Brook man or any motor man come to that except have many years experience of using motors on industrial fans which is my game.

Brook motors was an excellent company, you could always have a chat directly with an electrical or mechanical design chappy at Huddersfield if you had a problem, many of the local sales engineers were also time served Brook men through and through. The old Brook technical literature was excellent, I still retained them as it contained information not found in present day ones. (I still work one day a week as technical consultant) I remember well the traumatic time they went through as they were taken over by one company after another with factory closures, redundancies etc, this caused customers huge problems with deliveries but you couldn't help feeling sorry for the people at the sharp end facing the wrath of customers, the stress caused early retirement for many excellent people. A far too familiar story of british industry unfortunately.

The sad reason for Brooks inability to help is that old data and records like that is probably long gone. The people that may have memory of how things went together are also long retired or not with us.

Bill D.

Thread: varifocals
01/09/2020 19:37:51

Many years ago I decided to try varifocals as my ordinary specs (for distance) drove me mad at places like supermarkets, take em off to look at labels, back on again to look down the aisle.

The optician (my local private one who are excellent} told me it would have to perservere to get used to them. Well try as I might I could not get used to them so went back to my previous ones. Move on a few years and had a chat to my optician who said lense technology had improved since my last ones so I had another go. Absolutely fine no visible line on the lense or wierd sensations. Wouldn't be without them.

Bill D.

Thread: Miracles do happen
24/08/2020 14:13:44

I posted some time ago about that little gremlin that lurks under work benches in our workshop ready to snatch away anything we drop. Well today a new watch I ordered arrived, just a cheap everyday one. Needed to adjust the clasp so went into garage for a sharp pointy thing to depress the spring loaded pins, PING, away it shot to the back of my workshop, got a torch hoping against hope and miracle of miracles there it was neatly nestling on the rubber mat.

I shall be talking about this for years to anyone I can bore with my workshop tales.

Bill D.

Thread: BT
14/08/2020 10:56:42

My wife and myself have been with Tesco mobile for some years now and we can honestly say never had a problem.

My gripe with BT (well one of them) is the difficulty of finding simple straightforward information on what you've got, what options there are etc. and how they managed to design the bill to be such a mess is a masterpiece.

Sky are not much better in that respect, always difficult to find ways of reducing your bill if you need to, the important things the consumer want are buried away somewhere.

We have just had Truespeed broadband run down our lane, can't justify the cost but looking at their website it appears to be simplicity itself, just a few simple tariifs depending on what usage you want and similar for phone usage, otherwise no installation cost, no extra for line rental etc. I'm tempted.

Bill D.

13/08/2020 18:27:19

By contrast had a message from Tesco mobile saying they will 'never change prices mid contract, never have, never will'.

Bill D.

13/08/2020 18:24:42

I find BT the most infuriating company to deal with. Their website is dreadful, tarrifs confusing and 'contracts' only of value to BT. Just had letter from them blithely stating they are going to 'upgrade me' extra hours of calls that I don't need and extra cost of £4.50 a month thank you very much. This is on a 'contract' set up in March.

Changing provider is not that straightforward where we live, many other providers can't do our area.

Bill D.

Thread: Statfold railway
13/08/2020 18:16:52

Hi all, did anyone make it to Statfold?

Bill D.

Thread: Cleaning up new Sieg SC4 and how to remove apron
02/08/2020 18:54:22

I have a Sieg SX3 milling machine from ARC and a WM290V lathe from Warco, both Chinese made of course. I do recall that a supplier had stopped offering the strip down service but can't remember which one but thought they said it was no longer neccessary as they had worked hard with supplier to improve quality and inspection. Suffice to say, after a clean up I used both virtually straight out of the box as it were and have been very pleased with both after about 3 years use.

Bill D.

Thread: Static balance gadget
28/07/2020 18:25:23

The way se used to statically balance fan impellers was to mount them on a mandrel, place on a pair of knifedge rails and note where the impeller comes to rest, correct by trial and error with lumps of putty/bluetack, when in balance weigh your putty and permanently fix metal weights (or remove metal at 180 degrees if there is enough)

Now use fancy electronic machines of course but static balance is good enough for narrow components unless you have a tight spec to work to.

Of course the knife edges have to be level to ensure accuracy.

Bill D.

Thread: Message from the prime minister
20/07/2020 13:28:45

And apologies for the typos, I did go to school!

Bill D.

20/07/2020 13:27:27

I have never come across anyone in enginering without a sense of humour, some very dry people of course who may come across as humourless. Anyone that has worked on a shopfloor, certainly back in the 60s as I did will know that.

I really believe that the dramatic change from industry to finance has deprived us of a generation with a sense of proportion and pragnatism, I stopped watching the news broadcasts because it was an endless parade of the the 'back to the future' journalism. I wonder if anyone of them would take on the PM's job at the moment.

Bill D.

20/07/2020 13:26:06

I have never come across anyone in enginering without a sense of humour, some very dry people of course who may come across as humourless. Anyone that has worked on a shopfloor, certainly back in the 60s as I did will know that.

I really believe that the dramatic change from industry to finance has deprived us of a generation with a sense of proportion and pragnatism, I stopped watching the news broadcasts because it was an endless parade of the the 'back to the future' journalism. I wonder if anyone of them would take on the PM's job at the moment.

Bill D.

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