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Member postings for Maurice Taylor

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

Thread: Honda 125 electrics
28/03/2021 18:25:08

Hi ,please don't waste your time looking for faults until you've run the engine and then switched everything on and checked the battery voltage and that it's charging.

I think the lights used to dim at tickover anyway on a 6volt system.

Maurice

Thread: 1960's Car Steering Wheel Taper Angle
27/03/2021 08:19:10

Hi, Search forum for “ml7 top slide angle limitations “. It appeared on the forum on 11/03/21.

Maurice

26/03/2021 19:39:20

Hi, According to Motalita website taper is 8 degrees and 9.96mm long.

Maurice

Thread: Tea Spoons
23/03/2021 20:10:50
Posted by MC Black on 23/03/2021 19:19:01:

I would not want to use anything that was not designed to put in one’s mouth.

So Milton (or supermarket own brand version) is ok as is denture cleaner.

Washing powder, bleach, do not “tick the boxes” for me!

.

Hi

Milton contains sodium hypochlorite as does Domestos , I use Domestos to clean spoons as it takes far less time to do the job.

Maurice

Thread: Flat bottomed hole with a boring bar - technique?
17/03/2021 16:53:42

Hi, I’m not able to give any advice on how to do the job,but I think it would be best to practice what others have suggested on a piece of scrap .

Maurice

Thread: How do I get the bearings out of this?
10/03/2021 18:41:46

Hi,

Have you got a 3 leg puller,you could use it to try to push the shaft out .This might work ,it might not but worth a try.

Maurice

Edited By Maurice Taylor on 10/03/2021 18:42:51

Thread: Home Made Rear Toolpost Issue
07/03/2021 20:58:05

Hi ,I adjust the center height on mine by fitting shims between toolpost and cross slide

Maurice

Thread: Help needed, can't release cast iron wheel
06/03/2021 16:44:12

Hi, I would try a 10ton hydraulic 3 leg puller and hit it with a big hammer.

Maurice

Thread: Inherited ML7 in need of some love - where to start?
05/03/2021 10:21:59

Hi, In my opinion the only way to do this properly is to strip it completely , but do not remove the headstock from the bed .

Try to get the chuck off first ,using as little force as possible ,if it won’t move ,put the chuck and spindle in a bucket of diesel to soak while continuing with rest of strip down.

When it’s in bits ,it will be easier to clean and check countershaft bearings and clutch properly.

Its as easy to do it properly as it is to bodge it by cleaning a bit here and there and getting it turning.

Take plenty of photos and put nuts screws etc in labelled jars

Maurice

Thread: Home Made Rear Toolpost Issue
01/03/2021 23:39:38

Hi ,I use a single bolt rear toolpost with my Myford,it works alright .Try a proper tee bolt ,before doing anything complicated. There are plenty on Ebay.

Maurice

Edited By Maurice Taylor on 01/03/2021 23:40:59

Thread: Is an internet connection essential to run Ardunio programs
24/02/2021 14:07:32

Hi ,regarding nano not working with XP machine ,the XP machine probably has a RS232 port, you could get a USB 2 to RS232 adapter from an ebay seller and try that.

Maurice

Thread: Steam engine , to start a steam engine
16/02/2021 00:11:52

Hi, most of the factory that built this has just been demolished and a housing estate is being built on the site.

Maurice

Thread: crane uprate - where would you add some metal ?
11/02/2021 10:07:09
Posted by Nicholas Farr on 10/02/2021 21:56:39:

Hi Maurice, so you lift 1 tonne just off the floor, then that 1 tonne is transferred to the hook and then the pivot pin in the end of the boom. i.e. the weight of an object is on whatever is holding it, imagine you have a bag of shopping on a set of scales and you pick it up, all the weight of the bag and shopping is then in your hand and the scales return to zero.

Regards Nick.

Edited By Nicholas Farr on 10/02/2021 22:14:59

Hi,thanks for your reply.I agree with what you say.I still don’t understand how the 200kg load in Reg’s post is 1.5m in the air if it only just off the floor.If the 200kg was 1.5m in the air, the base of the load would be 1.5m from the floor,then you would move at your peril.

If it was just off the floor ,you would only need to stop it swinging. I’ve done this with a 250kg engine and gearbox

Maurice

10/02/2021 21:28:35
Posted by Reg Rossiter on 10/02/2021 19:14:02:

One thing to be aware of with any lifting operation using a crane, including the type under discussion, is that as soon as the load is off the floor the mass of the load is effectively at the end of the boom where the fall attaches. In the case of an engine hoist that means the mass of your 200kg lathe you're lifting is now in effect about 1.5 metres in the air. Move it at your own peril!

Reg

Hi,Could you please explain why the mass would appear to be 1.5m off the floor ,if say you’d only lifted it 10mm.

Maurice

10/02/2021 10:59:04

Hi, just looked at my Draper 1 tonne engine crane , I don’t think any of the steelwork is designed to fail ,every bolt is a 14mm 8.8. Why would any body design steelwork to fail when it includes a hydraulic ram.The ram will probably have a yield valve to prevent it being overloaded.

Regarding the castors it is easier to control with only 2 swivels ,think supermarket trolley with 4 swivels ,goes anywhere.

Maurice

Edited By Maurice Taylor on 10/02/2021 11:00:52

Thread: Bridgeport power feed
26/01/2021 16:51:11

Hi, if you use a yellow site transformer ,make sure neither side of the items to be supplied are earthed,The 110volt from a site transformer is center tapped ,with center tap earthed.

Maurice

Thread: Fast charging anyone?
19/01/2021 19:43:34
Posted by J Hancock on 19/01/2021 18:09:48:

MT, yes, you are right that the units should be Watt hours but the principle Laws of Thermodynamics seem to be not applicable to this new form of transport ie something no more powerful than your Super 7 motor is powering a tonne+ of car along at 60mph..

This is truly amazing.

Hi,I’ve worked it out ,I think. Car travelling at 60mph using 300Wh per mile will use 0.3 x 60 =18kWh to do 60miles.

This means an 18kW motor is needed (18kWh divided by 1h).

Then I googled power needed to keep a constant speed of 60mph this was19kW.

Please somebody correct if wrong.

Maurice

Edited By Maurice Taylor on 19/01/2021 19:44:15

19/01/2021 17:42:13
Posted by pgk pgk on 19/01/2021 17:22:35:
Posted by J Hancock on 19/01/2021 16:19:38:

Real question.

Why /how can it only take 500w/mile to propel a Tesla at 60mph when a petrol/diesel has to output 30kw to achieve the same speed, with the same weight,,tyre,,bearings/rolling/wind resistance,etc ?

300w./m and very heavy carting the pack about too...
..perhaps to do with the drive units being (almost) attached to the wheels instead of going through clutches, gear boxes and prop shafts???
Also some clever jiggery-pokery with fore and aft drive units adjustng their power proportions (as they do) during cruise and of course reharvesting braking energy when available

pgk

Hi ,please correct me if I’m wrong but shouldn’t the unit per mile be “Wh” ,I think this is were any confusion is coming from.

Maurice

Thread: Viewing online archive
19/01/2021 12:45:00

Hi,I can still access all back issues with old mini Ipad ,using Safari and Model Engineer website.

Maurice

Thread: Disposable Gas Bottles
17/01/2021 17:38:57
Posted by not done it yet on 17/01/2021 14:33:35:

Anyone know the pressure at which compression fittings are no longer deemed safe? I’ve seen them fitted on vehicle hydraulic braking systems before now, but I would only use the proper flared pipe fittings in such an application.

Hi,I remember compression fittings being used on hydraulics down the pit .I used to fit them on 50mm steel pipes that carried soluble oil mixed with water at a pressure of 4000psi and 200gpm.They were often a mile in length.

Maurice

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