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Member postings for Mike Poole

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

Thread: Grid Frequency [mains electricity]
13/08/2019 09:40:21

I am under the impression that the supply also guarantees to supply the correct number of cycles per day to avoid clocks accumulating an error.


Thread: Myford ML7 - Size of Mandrel Through Drilling?
12/08/2019 21:32:03

The 2 morse taper in the nose of the spindle would be compromised if the spindle is bored larger and there is not too much meat on the other end. The bore increase would be small which is probably why Myford did a major redesign when they made the big bore version.


Thread: Posilock Chuck
12/08/2019 08:01:16

Mine is S type and definitely needs a screw shank cutter.


11/08/2019 23:00:25

Threaded shank cutters are readily available on eBay, many at very reasonable prices. I suspect the Autolock and it’s clones are on their way to becoming obsolete but as they were so popular there is still a huge amount of chucks and cutters to be found. I don’t think I have seen carbide cutters with a screwed shank but just because I haven’t seen them doesn’t mean they don’t exist. An ER chuck is a very flexible device as it will take most cutters with some care and the collets can be used on the lathe with a suitable chuck to match the mill size chosen. I still like my Autolock as it has a very definite cutter location but I also have an ER


Thread: Woodworking Router
11/08/2019 15:26:42

I think the trick with routing is to have positive guiding of the cutter so that you can keep it moving, trying to follow a line by eye will be very difficult to keep the feed rate high to avoid burning. Some people are brilliant at freehand routing but jigs and templates give the basic machine fantastic possibilities. Jigs can be quick and dirty for a one off job but if the job is likely to be repeated or you have many copies to make then making a better jig will save a lot of time in the end.


Thread: Is Buying a used live steam loco cheaper than building one?
10/08/2019 16:46:55

Some people enjoy the building and have little interest in running a model, some just want run a model and enjoy the whole scene and some enjoy building and running their models. The cost to build is significant but if you don’t buy everything new then the workshop equipment cost is largely recoverable. If you are starting as a workshop novice then it would make sense to build some smaller models, perhaps some Stuart Turner or similar, this would get your skills up and maybe you would find out if building is really for you. If running a model is what you want to do then buying a built machine will have you running in the shortest time, building your own will typically have a lead time of a few years before you are running. Having workshop facilities is useful for repair and maintenance even if you buy a built model. Of course you could do both and start a build and run a ready made alongside building your own which would avoid the long wait until yours is built.


Thread: Karcher pressure washer
09/08/2019 23:48:01

I bought a pressure washer when I got a car with alloy wheels, the novelty soon wore off and now I have a car with dirty alloys occasionally cleaned by our hard working car washers from the EU.


Thread: Chosing a drill grinding attachment or machine
09/08/2019 23:39:51

I picked up a Dormer 108 for £175, it grinds drills like they left the factory. They do turn up at bargain prices but you may need to wait.


Thread: Myford ML7 - Size of Mandrel Through Drilling?
09/08/2019 23:34:23

I have never measured mine fnarr fnarr but whatever the size if my work will go through then happy days and if it won’t the out comes the steady.


Thread: Is your spindle bore large enough?
09/08/2019 18:01:53

The job will always turn up that is bigger than your headstock bore, it will be time to get the fixed steady out, the nice thing about a big bore is you won’t need the steady out so often. If the bore size you have is a regular nuisance then maybe a bigger lathe may be required. As a Myford 7 owner with the small bore which is widely derided I have not had to use the steady very much but it will all depend on what you do on your machine.


Thread: Posilock Chuck
09/08/2019 11:23:48

You must use threaded shank Clarkson type cutters,the design of the chuck relies on the thread to force the internal tapers into position.


Thread: Lathe - dead centre wont reach the workpiece
09/08/2019 09:00:56


John Stevenson chose a rather drastic solution but not a problem for a man with his skills.


Thread: Adjustable 3-jaw chuck designs
05/08/2019 17:05:52

Was it not Commander Barker who recommended the undersized register and oversized bolt holes? He maintained that he had never had a chuck move in use while using this technique. I would be slightly wary using a heavy interrupted cut but typical model engineer operations would probably have no problems.


03/08/2019 17:19:59

Just bin the rest of the car and put the Imp engine in a racing sidecar outfitsmiley


Thread: Any uses for an old tired lathe bed
03/08/2019 16:59:03

Did you replace it because the old bed is beyond being reground? If there is enough meat for a regrind then it may have some value to someone. Maybe a super long bed could be rigged for making cues or the like.


Thread: Things to Come
02/08/2019 19:32:02

My iPad has no GPS but google maps is near spot on with my location, they know where everybody’s WiFi is and have it mapped, an easy job to work out where you are within a few meters. Sometimes the tech can be useful, I went to the Goodwood Festival of Speed and forgot where I left my car, luckily my phone remembered where it lost the blu-tooth connection with my car and helpfully highlighted on the map where my car was. Would have been handy 35 years ago when I parked at Luton Airport in a bit of a hurry and a week later had to play hunt the car for ten minutes, before the days of remote locking so had to look at all the red cars.


Thread: Jim Al Kahlili : Revolutions
02/08/2019 17:58:36

To return to the original topic, I have finished watching the car episode and enjoyed it, these programs always leave you wanting more if you have geek tendencies but I doubt the majority of the audience would want that much detail so the programs have to be commended and may whet the appetite of some youngsters to get interested in engineering.


Thread: Things to Come
02/08/2019 17:35:26

Perhaps they will send me a few free ones for the plug.smiley


02/08/2019 17:07:20

I go down the pub and talk about all sorts of random rubbish and when I get home Facebook and google bombard me with adverts about my discussion subjects, I must leave Siri at home and see if they still know what I talk about, I tend to use cash down the pub so I doubt they know that Old Speckled Hen is my favourite tipple. Big brother is watching us.


Thread: Jim Al Kahlili : Revolutions
01/08/2019 17:54:02

Cyclists round here seem to think they are on a somewhat slower Tour de France, a cycle may be a low pollution device but the long queue of cars waiting to get past the peloton are using much more fuel than they would just cruising at a steady speed. The acceleration required to pass safely uses much more fuel than just making steady progress. The big picture is that riding a cycle on narrow roads probably uses more fuel overall than if they used a car, bicycles are probably squandering the earths resources rather than saving the planet.devil


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