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Defining The Pineapple Knot "Type"
PostPosted: Mon Jan 26, 2009 3:14 pm  Reply with quote
Barry
 
Joined: 01 Dec 2008
Posts: 42

Location: England


Pineapple Knot Type Identification.

The text below  is adapted from a letter that I received from Tom Hall about 4 years ago, I have made this information available before in various places, but there still seems to be some misunderstanding about defining a Pineapple knot “Type”  I feel that it is a simple matter to address and I hope that this information will help.

The “Type” of a Pineapple knot is refering to the right-hand bight boundary of the primary knot.
The primary knot is the Casa knot that has it’s left-hand bight boundary on the far left, which is the left-hand bight boundary number1.
To help you understand this; refer to pages 63, 70, 75 & 80 in Tom Hall’s book “Introduction to Turk’s-Head Knots”

Refer to the first diagram for the next bit.

The 35 part x 30 bight, 5 pass Pineapple Knot tied from five 7 part x 6 bight Casa Knots would be a type 5 Pineapple knot; because the Primary Knot that has it’s left-hand bight boundary on the far left or left bight boundary number 1 has it’s right-hand bight boundary on the right-hand bight boundary number 5 as shown in the first diagram.


This method of identifying Pineapple Knot types is the same with “all” pineapple knots, please see the other diagrams to see how they are classified as “Type”.
I hope this helps clear up some of the missunderstandings of  Pineapple Knot Type.
Please feel free to contact me with your comments or questions.
Take care,
Barry Wink



Direct link to first Diagram
http://picasaweb.google.co.uk/lh/...pxHDmGPLmaIn-WZIQ?feat=directlink

Here are a couple of other diagrams for reference; showing two very different Type 3 Pineapple Knots:



Direct link to other diagrams
http://picasaweb.google.co.uk/lh/...ApbyQ5pKZ0buR2Dvg?feat=directlink

Take care,
Barry Wink

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Barry Brown.
Rope & Canvas Craftsman,
and Net Maker.

Practical Works of Art,
Inspired by Tradition.

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http://ropeandcanvas.blogspot.com/
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PostPosted: Mon Jan 26, 2009 5:30 pm Reply with quote
skyout
 
Joined: 11 Oct 2008
Posts: 159

Location: Orlando, FL, USA


Thanks Barry,

You know, I've read this before but wasn't able to "get" it, but reading your post and Hall's explanations again I think it is finally sinking in.

The diagram below actually has a 10p x 12b  2 pass, Type 2 Pineapple Knot inside all the right-hand and left-hand boundaries of the 21p x 18b 3 pass, Type 3.


Link to diagram in case you can't see it:
http://img405.imageshack.us/my.php?image=31px30b5passtype3smallzy7.jpg


Barry, thanks again for taking the time (one more time) to explain this until us slow guys finally see it.

Rick


Last edited by skyout on Tue Jan 27, 2009 2:58 pm; edited 1 time in total

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PostPosted: Tue Jan 27, 2009 1:33 pm Reply with quote
Barry
 
Joined: 01 Dec 2008
Posts: 42

Location: England


No Worries Rick.

I am not sure but I think your post is missing a diagram?

Take care,
Barry Wink

_________________
Barry Brown.
Rope & Canvas Craftsman,
and Net Maker.

Practical Works of Art,
Inspired by Tradition.

http://myweb.tiscali.co.uk/ropeandcanvas
http://ropeandcanvas.blogspot.com/
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PostPosted: Tue Jan 27, 2009 3:01 pm Reply with quote
skyout
 
Joined: 11 Oct 2008
Posts: 159

Location: Orlando, FL, USA


Link to diagram added in the previous post.

I see the diagram fine???

Rick

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PostPosted: Tue Jan 27, 2009 3:34 pm Reply with quote
Barry
 
Joined: 01 Dec 2008
Posts: 42

Location: England


How Do Rick Wink

Yes I see it now, I see what you mean now too.  

Yes; in effect you are right, there is a Type 2 knot interwoven into the Type 3 knot,
but in reality it is a case of having two seperate 5p x 6b Casa Knots interwoven into the 3 pass type 3 Pineapple knot, mkaing it a 5 pass type 3 knot as the 2 pass type two knot you point out is not actually a seperate entity but an interwoven part of the whole.

I hope that makes sence.
you can make this knot a 6, 7 or more pass knot simply be adding more 5p x 6 b Casa knots between the bight boundaries of the larger 7 p x 6 b Casa knots, so in effect you would be putting a 3 or 4 pass type 3 or 4 pineapple knot inbetween the bight boundaries of the larger 3 pass type 3 Pineapple knot.

you can run with it after that making an any pass x any type pineapple knot that you desire, there are no boundaries so to speak  Laughing

Alternatively you can make a 4 pass type 4 Pineapple into a 5 pass type 5 pineapple by adding another casa knot of the same size as the previous casa knots, and in the same manner as you added each of the casa knot to each previous knot. the enlargement process is the same.

Take care,
Barry Wink

_________________
Barry Brown.
Rope & Canvas Craftsman,
and Net Maker.

Practical Works of Art,
Inspired by Tradition.

http://myweb.tiscali.co.uk/ropeandcanvas
http://ropeandcanvas.blogspot.com/
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PostPosted: Tue Jan 27, 2009 10:48 pm Reply with quote
skyout
 
Joined: 11 Oct 2008
Posts: 159

Location: Orlando, FL, USA


Thanks Barry,

Every time you explain an intricate part of the PK it becomes clearer. I don't know if I'll walk the rice paper without any wrinkles soon, but after this thread I don't think I'll tear it as much.

Grasshopper


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Defining The Pineapple Knot "Type"
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