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Thread: No. 9 Gauge Saw redux
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23rd February 2016, 02:43 PM #16
Hi Christos,
Thanks.
There's a relatively rare two screw version available now (on sale!) in Australia.
Vintage Tool Disston 9 Improved Backsaw Regan Patent Saw Antique Old Tools 48 | eBay
Bit pricey and no gauge.
These gauge saws were sold by Jim Bode. Rare DISSTON Gage Backsaw w/ Improved Handle, Near Mint and Rare! DISSTON No. 7 Gage Saw with Decal
Cheers,
RobInnovations are those useful things that, by dint of chance, manage to survive the stupidity and destructive tendencies inherent in human nature.
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24th February 2016, 01:46 PM #17
Rob,
Been watching your saw making for a while now with interest and admiration.
I've a couple of questions about the gauge parts .... do the original slotted arms pivot on the lower sled part, allowing the sled part to move either forward or back (parallelogram fashion) , and allowing the arms to sit flat on the blade.
It looks a little clumsy to me, to see the arms ride up on the spine. Thinking that perhaps those slotted arms may attain a gentle curve if the locking screws are wound tight.
Also, what was the thinking in moving the screw location higher up the blade in the repro?
Cheers,
Peter<!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <woNotOptimizeForBrowser/> </w:WordDocument> </xml><![endif]-->
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24th February 2016, 02:30 PM #18
Hi Peter,
On the original the arms are firmly fixed to the sled with no allowance for pivoting. My reproduction is the same - the arms are joined to the sled with steel rivets. I'm also going to try stainless and perhaps Monel rivets if these fail to perform adequately but so far the joints seem very tight.
All of the gauge parts (except the rivets and brass bits of course) are made from the same 1095 steel that is used for the saw blades. The sled is 0.050" thick and the arms are 0.042". This material has a yield strength of ~230,000-250,000 psi and is ~50 HRC. The brass fittings couldn't be tightened enough to appreciably distort this stuff under any circumstances.
I moved the fitting points up relative to the original because I wanted a greater depth of cut. The gauge and fittings can be completely removed from the saw as well.
Cheers,
RobInnovations are those useful things that, by dint of chance, manage to survive the stupidity and destructive tendencies inherent in human nature.
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24th February 2016, 02:49 PM #19
Thanks Rob,
I have this Bishop patent saw, and used it once trying to make a wooden screw. (saw , then chisel)
But found it a little unstable ...east /west mostly, and it just didn't seem to give me the feedback & control I needed to do that type of cut.
I like the look of that gauge you are making.
Cheers,
Peter
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24th February 2016, 03:02 PM #20
Peter,
I've toyed with the idea of making those but so little time...
My list of saw related projects in no particular order:
1) Saw file hardness measurements - ongoing
2) Historical perspective on saw plate hardness - ongoing
3) New taper grinding machine - parts in hand
4) Fill orders - getting further behind
5) Build saws having interesting features like the gauge saw - for 'fun'
6) Continuing analysis of saw blade hammering effects and procedures - ongoing
7) Making of saw hammering hammers - new effort
8) Analysis of setting methods - ready to begin
9) Finishes - ongoing
10) Plenty I can't remember at the moment...
What started out as an interest has become a lot of work.
Cheers,
RobInnovations are those useful things that, by dint of chance, manage to survive the stupidity and destructive tendencies inherent in human nature.
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24th February 2016, 03:46 PM #21
So little time.
I understand how that works... I'm trying to get enough time to set-up & run Master Classes in dovetailed infill plane making.
I'm set up for jewellery master classes, couples making each others wedding rings. That took 3 years to finally get sorted.
Some years ago I was in the right place at the right time. Purchased most of the tools of a local saw doctor.
I sold most of the machine saw tools, including almost all of the saw hammers 50+. I did keep some of those, and all handsaw setting hammers, vice and anvils.
Here is the vice, and hammers, setting blocks & one of the anvils. On the shelf where the setting blocks are sitting there was a block of lignum. (not in the picture)
In a box I've still got some brand new hammers they were making back, around mid last century. I'll dig them out for a picture .....
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24th February 2016, 04:02 PM #22
Peter,
Wow, what a score. Texas is a desert in so many ways...
Everything I use for saw work I've bought and imported or made myself.
I look forward to more pic's.
Cheers,
RobInnovations are those useful things that, by dint of chance, manage to survive the stupidity and destructive tendencies inherent in human nature.
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24th February 2016, 05:12 PM #23
Peter, how does your sawdoctors vise differ from a traditional blacksmith's leg vise. Other than condition, that looks pristine. If possible id like to see a side profile of the jaws.
Just going by the photo I'd suggest the vise weight to jaw with ratio maybe a difference. As in this one has a lightweight structure for the width of the jaws which I'm estimatingcare about 10"
The screw also appears it may be much lower but that couple an optical illusion.…..Live a Quiet Life & Work with your Hands
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24th February 2016, 05:39 PM #24<!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <woNotOptimizeForBrowser/> </w:WordDocument> </xml><![endif]-->
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24th February 2016, 05:53 PM #25
The soft jaws are covering it..Basically I was interested to know if the jaws meet all the way down when closed and if they are an 1" deep or more or less.
…..Live a Quiet Life & Work with your Hands
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24th February 2016, 06:28 PM #26<!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <woNotOptimizeForBrowser/> </w:WordDocument> </xml><![endif]-->
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24th February 2016, 07:21 PM #27
Thanks Peter, a very lovely vise indeed.
…..Live a Quiet Life & Work with your Hands
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24th February 2016, 11:59 PM #28
There was a vise like that sold on eBay a few months ago. If I remember right it went for $1550 or so.
Innovations are those useful things that, by dint of chance, manage to survive the stupidity and destructive tendencies inherent in human nature.
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26th February 2016, 10:45 AM #29
Regan discussion cont'd.
This is another Regan handled No. 4 backsaw. All of the features are consistent with an 1896-1917 date of manufacture. The consistent patina strongly suggests that this saw is completely un-molested.
This saw has a 14" toothline, 13 ppi and carries the large size Regan handle. The screws are all Glover patent design, i.e. post-1887.
1897-1917 Regan handled No. 4 medallion detail.jpg
Innovations are those useful things that, by dint of chance, manage to survive the stupidity and destructive tendencies inherent in human nature.
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26th February 2016, 12:37 PM #30<!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <woNotOptimizeForBrowser/> </w:WordDocument> </xml><![endif]-->
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