How do you get that Bob, at the most I can only see 20 pages of adverts including covers and 42 of content which is about the same as the previous issues 20 pages of adds and 43 of content

Or as I think (know) is the case you are counting the Free show guide which is 16 additional pages that you don't usually get and have paid no more for.

J

Edited By JasonB on 25/11/2013 19:58:59

JS – Must try harder

I found 5 pages of maths or 7 if you include the long formulas in the combustion article

I agree with Jason's basic point – it isn't fair to include the show guide which is an extra element that is separate from normal content AND advertising.

Neil

Possibly not to man or beast, but I'd have thought they might be useful to engineers…….

Andrew

What?? Actual equations and such like? An article with real stuff??

Looking forward to getting the issue over here!

(not really tongue in cheek; math rules everything we do. Well, maybe not what John Stevenson does, but at least what I do. I actually like math)

Another JohnS.

Thought this one would sort you out.

Diane (not Diana)

I think ME issue 4470 is excellent.

The adverts are all at the front or the back of the collection of article (with one single page exception – Mytimemedia).

The contents and publication data are all on the first page seen when opening the magazine,

There is a very good selection of articles with something to suit most people. The mathematical formulas and chemical equations are only present in the two technical articles to make them scientifically complete. The reader does not have to fully understand or use them in order to gain some understanding of the topics. Please don't be put off reading the articles just because they look complicated.

The obituary of Dr Jonathan Minns I found very interesting and informative about a champion of our hobby whom will be greatly missed.

All round a very good issue of this magazine and I only wish that MEW was half as good.

Well done Diane and your team.

Eric

Thank you Ian. I tend to agree. It does no harm to include something that requires a little concentration to understand. It's all about balance, isn't it? Too much of this and you would just put it down as being too much to take in but when there is a worthwhile subject to be covered… why not?

I have, in stock, another example of just such an article to do with calculations applicable to boiler design. My predecessor refused to publish it, dismissing it as uninteresting as it is purely mathematical but I think it will be coming up in the new year. It will not be everyone's cup of tea – I appreciate that – but to many it will be of great interest, whether or not they are intending to design a boiler. What are readers' thoughts?

Diane

Diane,

Go for it; I doubt I'll ever design a boiler, but it will be interesting to see how it is done. After all the magazine is called Model Engineer.

Regards,

Andrew

Batchelors, me …. not Paul Anka.

I found the article on combustion very interesting. I am intrigued that whole books have been written about it. I have one question. The author assumes that the Nitrogen in the air passes through the combustion process unaffected. 5N2 in equals 5N2 out. Is this just for propane or other similar gases, because in a car engine, which may run on such gases, you get Nitrogen oxides out as well. This is why modern cars have complex fuel injection and catalytic converters. I know petrol and diesel are more complex chemical mixtures than just propane, and that emissions are reduced if you use LPG, but they are still there.

I realise that these matters may have been omitted for simplicity, but perhaps it should have been acknowledged?

Regards

Geoff

I too would like to say congratulations to Diane and your team for an excellent ME 4470.

I found the two technical articles to be most interesting and informative. After all, that is why I buy Model Engineer, to learn something! Any information that helps me become better at model engineering is most welcome on my part.

Regarding the article on boiler design; Like many others, I never expect to design a boiler, but would be most interested in reading that and other future technical articles. Definitely the way to go!

Regards

David