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Member postings for Mike Hurley

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

Thread: Filing machine uses?
08/06/2021 08:50:15

I saw the Clickspring video use of a fine filing machine, seemed perfect for the job, but seemed a much smaller, precision instrument than the one I commented on.

Originally when I saw the item for sale I got the impression it was a much heaftier piece of kit, so not in the ordinary clockbuilding arena? Still I suppose in the past, they had to have a way to cut similar sized square holes in much larger gears i.e. for big church / town hall type jobs?

07/06/2021 09:33:48

Bob - cunning use of the 2 stroke engine! I really like that, well thought through.

I can appreciate the use for making neat square holes in the absence of broaches etc.

all the best. Mike

06/06/2021 10:35:27

Noticed a filing machine in the ' for sales ' . Must say it's one machine I've never had any experience of, but was struggling to think of what purposes / advantages it would have over traditional lathes, mills or shapers?

I've made one off roller guides to aid filing small parts consistently in the past, and am still an advocate of manual filing at times - sometimes being quicker than setting up a machine tool for a one-off.

Anyone got any thoughts?

Thread: Lest we forget
06/06/2021 10:20:25

I do believe a memorial is being officially unveiled today at Normandy for the British who died . Isn't it going to be on TV?

Saw an article about it in the week interviewing one of the veterans

Rod just beat me to it!

Edited By Mike Hurley on 06/06/2021 10:21:13

Thread: Myford extension for spindle.
01/06/2021 09:44:00

Use something similar on my rotatry table for holding a spare myford chuck. Just have to be careful on direction of feed / cut to avoid it unscrewing. The plain part is locked in situ with a couple of screws. Only use very occasionaly anyway.

Thread: New member from Cornwall
01/06/2021 09:35:35

Welcome Mark. Once the staring at the new lathe phase is over (we all do that with new toys) do you have any ideas what sort of things you're looking to do with it? Interested in any particular field or just looking to get general machining experience, There are chaps on here that are more than willing to help whatever the route.

Enjoy

All the best. Mike

Thread: Compressed air for initial engine test
30/05/2021 09:51:15

Thanks SoD for the warnings, I shall definately take them on board and probably avoid this experiment all together!

Redsetter - had comsidered this but its about 70Kg and quite an arkward shape to heave around. It's currently on a simple stand so that I can work on it, one plan is to eventually make a HD wheeled truck so I can move it easily if I want to take it any Steam rallies etc ( if and when they happen again)

Anyway, thanks for the input both. Take care

Mike

28/05/2021 20:12:08

Thanks for the suggestions guys - all very useful info.

I had overlooked that it is in fact double acting, so needed to figure that in my volumes! I think I now have some indication of the sort of values I need to work with, and useful methods on determining necessary pressures / air volumes that may be involved.

Bazyle's idea of oil barrels and water is quite interesting and may well be something worth examining just out of interest, particulary after having had a quick look at the daily cost of hiring compressors of the sort of sizes suggested in the thread! However, after the time and effort (and not inconsiderate cost in materials and tooling) involved in the restoration over the last 3 years, I might just have to grin and bare it.

It's primarily a case of determining that its basically sound and operational before investing more time and effort in this project.

As usual, thanks again to all for taking your precious time to read and respond. All the best. Mike

28/05/2021 11:03:36

Thanks Howard, I'm not expecting miracles from compressed air, just a basic 'does it go round at all' ? and no major leaks, rattles, bangs and bits dropping off etc. Speed wouldn't be much of an issue at this stage.

I know there is a big difference between c/air and steam in engines like this, but at present it's just one step at a time. I just don't want to go to the trouble of getting a source that will be too underpowering and then not know if its an issue with the engine.

Mike

28/05/2021 10:40:00

With any luck, hopefully in a short while I will be in position to test my refurbishment of the 3 x 5 Victorian workshop steam engine ( as detailed in the Work in progress forum ). To that end I'll initially run on compressed air just to check basic functionality ( or lack thereof! ).
My question to the assembled experts is 'how much' ? I shall need to hire, beg steal or borrow a suitable compressor or source but have no idea what capacity would be needed, having zero experience with such matters. I did a search on the forum but the few results were related to quite small models and I'm not sure if the info would scale up.
The 2 cylinders are 3" bore and about 5" long with a sweep length of 4" giving a volume of 46.6 cu in in total. They have a 90 degreee angular rotation difference. Would I be correct to assume a straightforward multiplication of total cylinder volume x theoretical target RPM would give me the required CFM? Sounds far too straightforward to be honest though.
But pressure at that capacity? - I have no idea what sort of figures we are talking about. Also need to factor in the fact that everything should be a bit tight at first.
Any pointers most gratefully received.
Regards Mike

Thread: Secrets of the transport museum
26/05/2021 09:15:20

Not Bolton Paul Defiants Duncan, as you said they had a rear facing turret but a slender nose profile like Spits & Hurricanes. The ones in the film had large radiator cowls at the front, much like the later Hawker Typhoon. Saying that, the ones in the film appeared to have elogated cockpits behind the pilot - for a second crew member ? As far as I'm aware the Typhoons only ever had as single 'teardrop' canopy.

Film was only on for a few seconds so couldn't be sure - I think its repeated sometime - I'll try and catch it and have a better look if no one can come up with an answer

Some airecraft buffs on the forum - someone must be able to help identify them. Intrigued to know the answer!

Mike

Thread: Practice material for a newbie
25/05/2021 10:28:07

I'm going to state the obvious here, but as a newbie you might not have considered safety too much.

I'm not a H&S nut, and often despair with some of the ridiculous rules and regs that defy common sense, but beginners really need to consider the possibilities of injury even when using relatively small low-powered machinery. I'm sure there will be postings on this site relating to sensible do's and dont's so have a search, or / and get a good book.

Machining brass for example - someone mentioned earlier about being showered with tiny chips - yes it often does, and they can be very sharp, if they get in an eye they can be a nightmare to get rid of at hospital. Safety glasses may not always be adequate - a full face visor may be prudent. (3 guesses who's speaking from experience!)

Don't want to put people off, but a timely reminder is sometimes sensible.

Thread: BBC 1 now
25/05/2021 10:01:53

Saw the prog last night - a fun idea.

Without me saying a word, the wife glanced across and said 'forget it! '

Thread: Today on Talking Pictures TV
24/05/2021 12:28:11

One of the things I like about this channel is the old B&W films which have normally have a plot, a beginning, middle and end. Yes, some are corny and you normally know who's done the bad deed from the start but you don't have to think about it too much and be over-stimulated with grossly unbelievable CGI as in many modern films.

I must be honest and admit they also show some real 'turkeys' at times!

Thread: Bearings Online (Based in Scotland)
24/05/2021 12:20:50

Yes those are the guys. Many thanks for the info I shall go ahead and try to order again. msu have just been a blip.

You just have to be so careful these days the scammers are so smart.

Anyway, thanks again. Take care

24/05/2021 10:53:48

Looking at this company's website - all seems very proper - 'worldwide export specialists' good reviews and verified secure padlock at the top of the page etc. but noticed it had quite a few spelling errors in parts of the text, however just put this down to rushed work, so went through the ordering process and got to the point of paying with Paypal and it errored 'certificate expired'.

Am I being paranoid (one of the indicators of cloned websites is said to be spelling / grammar errors)? Has anyone used them in the past and found them pukka?

They appear to be based near Dundee.

regards

Thread: Today on Talking Pictures TV
24/05/2021 09:58:20
Posted by Peter G. Shaw on 24/05/2021 09:28:16:

I'm having a bad day!

Spilled some bird seed. Dropped, or rather knocked, a pan on the floor. Allowed the same pan to boil over, and now seen a programme which I didn't think much of.

Perhaps I should go back to bed!

Peter G. Shaw

Don't we all have those days! On friday drove 2 miles to local garden centre which had some good offers on bedding plants. Saved about £20 on what we would normally spend - happy bunny. Came out to put same in car noticed flat tyre! Long story short, tyre u/s ended up with final bill of £120. unhappy bunny.

Thread: The worst 'upcycling' tragedy ever?
24/05/2021 09:52:07

As Nick says, people have a right to like what they want. To me, its quite awful, but then so is a lot of stuff on programs like Salvage Hunters and similar which I wouldn't give house room to with their 'original patination' (i.e rust). But hey - I'm not buying it , and he seems to make a good living from it AND I suppose he is truly recycling things that would often end up in the tip, so credit where its due.

Perhaps someone could re-purpose a Bridgeport as a candle holder?

Thread: Today on Talking Pictures TV
24/05/2021 09:14:18

we probably watch this channel more than the other main ones! If you're an oldie try to catch its Saturday mornings when they do a session like the old childrens Sat morning matinees - including serials - currently running ' Radar men from the moon ' (11.30 am) , so unbelivably bad Sci-Fi it can't fail to raise a few laughs.

Highly recommended

Thread: DIY Steam Trip Hammer powered by Jensen 20G Steam
20/05/2021 09:34:34

Nicely done novelty project!

regards

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