Thread: a box to golden proportions.

Originally Posted by adhmad

jow104 - great work - as a novice I am not sure about the 'golden proportions' is it 1 : 2 : 3 - height : width : length?

To me yes, but there are fractions as well.

Type 'golden ratio' into google, and voila:

the golden ratio = 1.61803399

Originally Posted by zenwood

Type 'golden ratio' into google, and voila:

the golden ratio = 1.61803399

Um...what on earth is a golden ratio? What's it used for and what's its significance .
Its OK. I looked it up. Fascinating. Especially the golden spiral.

http://en.wikipedia.org/wiki/Golden_ratio

Attached is a box whose dimensions are of golden proportions, sitting on a table similarly proportioned.

Oddly enough it was a 168 yachts that pulled out of the Fastnet Race yesterday because of gales. (down the English Channel to Ireland and back to England.

And another day and no work on the box the wind and rain are still lashing down.

Hoping for a productive day after the problems of the past 2/3 days, firstly the weather and then this:







I obtained some Yew timber last week and thought I would use a contrasting colour on this P/Ht. box, but after attempting to clean the board up it has gone into the scrap box to be used at a later date for those strip designs I am addicted to these days.
So now I have got to find another board to work on to develop the idea I have in mind for this present box.

Thursday afternoon..

Had a really good day in the workshop today.

Used the bandsaw and resawed some Br. Mahogany from 21mm down to 12 mm thickness.




After cleaning up on the P/T down to 10mm I put 4 pieces in the SCMS using 4 clamps each time to stop any drift whilst I cut mitres.



The laid them out and double checked that I had got my sizing correct.




Then put a rebate on all top and bottom pieces.




Glued them up strapped with masking tape and clamps, (some slippage, not much) and then made sure everything fitted!




Next decision how many layers?

The golden ratio is related to/part of the Fibonacci Sequence

0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987 etc

http://en.wikipedia.org/wiki/Fibonacci_sequence

Nice work so far.....

Add the current number you look at to the number previous.

1.5, 1.5, 3, 4.5, 7.5, 12, 19.5, 31.5, 51, 82.5, 133.5, 216, 349.5, 565.5, 915.

is that a Fibonacci sequence too?

Are the Pyramids built to the Golden number?

Originally Posted by Shedhand

Are the Pyramids built to the Golden number?

Yep... apparently the Great Pyramid at Giza is. The height of the side is equal to 1.618 times the length of half its base.

the golden ration (phi) also appears in the human body and in the relationship of planets to the sun amongst other things....interesting huh ?

cheers
BD

Maybe THAT's the REAL theory of relativity (or the meaning of life even)

John

With the second box beneath the whole doesn't seem to be in golden proportions any more, or is it just the photo (or my eyes)?

Originally Posted by jmk89

John

With the second box beneath the whole doesn't seem to be in golden proportions any more, or is it just the photo (or my eyes)?

Regret to say I have lost my way, because of my enthusiasm.

Shall I change the title of the thread? Or can anyone make suggestions how to get back to the theme.
Perhaps if I fit the firtst two parts together permamently the golden ratio could be taken up again


By the way I had trouble spelling enthusiasm so I typed it in the small google box on my google toolbar and as I typed the word partly, VOILA it appeared!
I have not ever got the abc spell checker to work on the forum replies sheet.