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Sam Arwas




Location: Australia
Joined: 02 Dec 2015

Posts: 81

PostPosted: Mon 11 Jan, 2016 7:43 pm    Post subject: Measuring curved blades         Reply with quote

I have found specifications listed by vendors to be highly unreliable and have decided that the only way to get reliable measurements is to do them myself. It's easy to measure straight blades because the distance between the base and the tip is the same as the total blade length. But it's not so simple with curved blades. Anyone know of a system/formula to get an accurate measurement?
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J. Nicolaysen




Location: Wyoming
Joined: 03 Feb 2014
Likes: 31 pages

Posts: 677

PostPosted: Mon 11 Jan, 2016 8:38 pm    Post subject:         Reply with quote

Here's how to do it on a Japanese sword. http://www.japaneseswordindex.com/measure.htm

The same method applies to other curved swords, but the terms will be different.
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Glen A Cleeton




Location: Nipmuc USA
Joined: 21 Aug 2003

Posts: 1,821

PostPosted: Mon 11 Jan, 2016 8:46 pm    Post subject:         Reply with quote

Curved blades are generally measured from the guard to the point in a straight line.

Cheers

GC
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Sam Arwas




Location: Australia
Joined: 02 Dec 2015

Posts: 81

PostPosted: Mon 11 Jan, 2016 9:12 pm    Post subject:         Reply with quote

Glen A Cleeton wrote:
Curved blades are generally measured from the guard to the point in a straight line.

Cheers

GC
But would it not be somewhat misleading to describe the blade length as such?
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Nat Lamb




Location: Melbourne, Australia
Joined: 15 Jan 2009
Likes: 1 page

Posts: 385

PostPosted: Mon 11 Jan, 2016 9:37 pm    Post subject:         Reply with quote

Only if you think it is misleading to describe a persons height not taking into account the curvature of their spine.
If you were talking about the length of the cutting edge, then yes, you would measure differently (and from memory that is a measurement taken for nihonto) but that would be different from the blade length for straight bladed swords as well (and flammmards would be a nightmare to discuss).
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Andrew Gill





Joined: 19 Feb 2015

Posts: 97

PostPosted: Tue 12 Jan, 2016 12:52 am    Post subject:         Reply with quote

Sam Arwas wrote:
Glen A Cleeton wrote:
Curved blades are generally measured from the guard to the point in a straight line.

Cheers

GC
But would it not be somewhat misleading to describe the blade length as such?


Remember that from the perspective of someone who would use the sword in a life-and-death confrontation, the distance at which you can cut or stab with the sword is what is important - not the exact length along the curve of the blade, which is unlikely to have as large an effect on one's ability to use the weapon.
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