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Stewie Simpson
11-08-2015, 7:14 PM
A handle shape I have always wanted to work with.

http://i1009.photobucket.com/albums/af219/swagman001/Spear%20and%20Jackson%20Handle%20design/_DSC0066_zpsqqmj8az8.jpg (http://s1009.photobucket.com/user/swagman001/media/Spear%20and%20Jackson%20Handle%20design/_DSC0066_zpsqqmj8az8.jpg.html)

What concerned me was the lack of ideal beam strength within the neck line specifically where it branches into the cheek. By taking advantage of some scope within the finger hole
I was able to resolve that issue.

I now have a extra handle shape available in 3 sizes that I can later use.

Stewie;

http://i1009.photobucket.com/albums/af219/swagman001/Spear%20and%20Jackson%20Handle%20design/_DSC0067_zpsbu9t9z88.jpg (http://s1009.photobucket.com/user/swagman001/media/Spear%20and%20Jackson%20Handle%20design/_DSC0067_zpsbu9t9z88.jpg.html)
Stewie Simpson
11-08-2015, 9:33 PM
Strength through the neck of the handle is best achieved through the use of directional long grain. By broadening the neck line I am now in a better position to achieve that. The bottom rail should now be in a better position long term to withstand the applied forces of the saw stroke. IMO

Stewie;
ken hatch
11-08-2015, 9:45 PM
Stewie,

Good changes, the original looks a little weak at the neck. The original is very attractive but in my ham hands I expect it wouldn't last long unless the grain ran perfectly straight.

ken
Stewie Simpson
11-08-2015, 10:11 PM
Hi Ken. My thoughts exactly.

regards Stewie;
Stewie Simpson
11-09-2015, 5:51 AM
http://www.backsaw.net/forum/index.php?threads/comparative-dating-by-style.111/
Kees Heiden
11-09-2015, 6:24 AM
That's one of my favorites too. I made a tenon saw along those lines.

I am not so sure about the fragility. Sure, making the neck thicker improves the strength, but the old ones didn't all break in use and a lot of this model have been made. So I think it is all half as bad as one might think. The right grain orientation is more important.
Stewie Simpson
11-09-2015, 8:30 AM
That's one of my favorites too. I made a tenon saw along those lines.

I am not so sure about the fragility. Sure, making the neck thicker improves the strength, but the old ones didn't all break in use and a lot of this model have been made. So I think it is all half as bad as one might think. The right grain orientation is more important.

Strength through the neck of the handle is best achieved through the use of directional long grain. By broadening the neck line I am now in a better position to achieve that.

Hi Kees. I have covered the importance of directional grain within my comments.

regards Stewie;
george wilson
11-09-2015, 9:19 AM
Hi,Stewie. I just signed up to be on the backsaw forum. Looks like it might be interesting.
Stewie Simpson
11-09-2015, 10:21 AM
Hi,Stewie. I just signed up to be on the backsaw forum. Looks like it might be interesting.

Hi George. Ray Gardiner has done some excellent work within that site.

regards Stewie;