Bloodline

v-6

v-6

Joined
Nov 24, 2007
Messages
952
I milled a bloodline in a new blade and was wondering how to get the little lines out of the bloodline, that the bit put in it.
the bloodline is a 1/4 " wide and about 3/16 deep.
any help would be nice.
thanks vern
 
The proper name is a fuller! Shape a piece of wood to fit your groove and wrap it with sandpaper.

Bob
 
Blood groove and blood line are just hype terms for a fuller.
The stories about the groove letting the blood flow out faster and/or not being able to pull the blade out because of suction are pure crap.

As suggested, shape a piece of dowel and use it to move a small square of sandpaper up and down the groove. An old India bench stone can be shaped to fit if this will be a continual operation.
 
From what I understand originally fullers were a way to make a sword strong and light.

My Dad told me back in the 50's they made knives out of leaf springs. The the origin of a lot of fullers back then was a grease groove cut into the springs. They would get those springs, straighten them and have an instant fuller in their stock.
 
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Ok , we will call it a fuller. i think it looks nice on the ten inch blade that i'm making. don't care if it really works or not just so it looks good.
just i did not think of the lines in the small groove, so i needed to know how to get them out.
thanks for setting me straight on what the groove is called
vern
 
On a Nepalese kukri its known as an aunlo bal. I hear it referred to by many names; it depends on the people your talking with and what is accepted by that group.

Vern, post us a picture when you get that mortised slot cleaned up.:D

Fred
 
As I've been led to believe, the fuller helps a light blade maintain its stiffness in the same way that an I-beam can be both light and stiff. It's been a long time since my mech. eng. classes, but I think the formula 1/3bh^3 comes into play somewhere in the calculations.
 
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