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I have fitted two Fakro brand Velux-type roof windows without problems. Both required removing a section of rafter and "trimming" round the aperture.

The (Polish) Fakros came with good instructions.

I believe Velux claim that their windows can be fitted entirely from within the roof but you might have to attend their academy first!

Wasn't the MEX formerly held at the Agricultural Halls in Victoria?

Posted by Mark Rand on 17/09/2023 12:15:00:...Don't get me started on the (lack of) quality of proof reading on the BBC's web sites and news scripts.

The BBC website is so speckled with schoolboy howlers that I think it must be staffed by juvenile semi-literates.

PS It is common ground that radii and radiuses are alternatives but using the former does at least distinguish it from the verbal form.

PPS How about, Boldly to Go?

Further to Oldiron's point, by 12" do you mean of 12" centre height or 6" ditto? Neither would be a small lathe in a hobbyist's book.

Or is it 12" between centres?

Plus one for LibreOffice but it will be hard to make a judgment about any program that is used only three or four times a year!

Or "old woman's tooth".

In his classic work Bicycles and Tricycles (1896) Archibald Sharp says:

"It remains to be seen whether a strong alloy, containing a large percentage of aluminium, and therefore light, can be discovered. Such an alloy may possibly be of value in cycle making."

However, by way of an exception:

" The hubs of Sharp's tangent wheel may, with advantage, be made of aluminium, since the pull of the spokes has not to be transmitted by flanges."

In 1927 Buckminster Fuller was considering the use of aluminium for housing and was told by the Aluminum Corporation of America that "we don't use aluminum in buildings. It is used only in percolators, pots, ashtrays and souvenirs."

Five years later the first heat treated aluminium alloys became available.

Peter Sansom:

Can you provide the GHT reference?

Whilst I would not be surprised to learn that GHT had taken an interest in the same matter as JAR, I don't remember him doing so in print.

An impressive bit of engineering! JAR secured his with epoxy.

Did you need to adjust the fit of the apron(the OP's point)?

Edited By ega on 08/08/2023 10:02:37

I converted my S7B some considerable time ago after reading J A Radford's article in ME.

The existing construction should allow some front to back adjustment between apron and saddle if necessary; up and down via shims.

Perhaps it's just a "Serving Suggestion"?

Sainsbury's Quiche Lorraine for four provides me with two helpings.

Martin King 2:

I think I have one of these collars somewhere which is surplus to requirements.

PM me if interested and I will try to find it.

The grain direction of the wood will probably be a consideration.

That is no doubt good practice and I must try to remember to do it more often!

By way of contrast to the Myford, my slant bed lathe has the carriage lock at the front right but there is an adjustable keep under the rear (on the latter it is possible to run the lathe in reverse safely).

Yes, but what about using rear-mounted tools?

The shims under the Myford carriage are there for adjustment to a fit.

The look like the "terminations" that fastidious cyclists fix to the ends of their brake and gear cables to prevent fraying.

I seem to remember that KRW tried to sell his marvellous business as a going concern.

Justin asked for useful tips:

Keep the hole saw in cut and be prepared to stop to clear the kerf from time to time - Rotabroaches are better than standard holesaws for this.

For the same reason, when possible drill one or more small holes intersecting the kerf.

In a fixed machine it is not essential to use a pilot drill - useful to produce a plain slug.

The HSE guide Safety in the use of abrasive wheels is worth reading even if it does not necessarily bind amateur users:

https://www.hse.gov.uk/pubns/books/hsg17.htm

Steel is the optimum material and stainless will avoid the absorbent "blotters" promoting rust on the flanges.

We are all getting there.

I hope you find a safe and satisfying substitute.

PS For what it is worth, the article referred to describes the procedure for "squaring the spindle" (MEW 46 page 29).