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30th January 2006, 04:33 PM #16Originally Posted by Green Woodchips
If you cut your tenon to fit the mortice (which is generally recommended) then you should be OK.
You have a chisel to do all the hard work levering etc, the sides of your mortices can be easily cleaned with a bevel chisel
If on the other hand you have heaps of good mortise chisels then don't waste your time with it as a mortise chisel - use it as a paint tin opener and stirrer.- Wood Borer
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30th January 2006 04:33 PM # ADSGoogle Adsense Advertisement
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30th January 2006, 04:36 PM #17Registered
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Originally Posted by Wood Borer
Are you feeling OK mate.
Al
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30th January 2006, 05:06 PM #18
I still don't know if everyone is talking about the same thing! From what I can pickup, Green 'Chips has a chisel that may be beyond repair...but why not grind it down to make a smaller mortice chisel? Even a 1/4" chisel is useable!
I have done a quick sketch to identify what's wrong. I have exagerated the scale, but basically looking at the chisel end on, from the cutting edge. The extreme height probably relates more to the "pigsticker" shape, far deeper than wider, but not crucial to the argument! The first one is a simple rectangle, what I believe most of the replies consider to be the ideal shape. The second is out of square, which I think is the problem at hand. The third drawing is a tapered profile, which I think is what Derek meant, and is how I deem the pigstickers at least to be. That is how I make mine anyway...the back or spine is narrower than the face. This allows some 'ease' to remove the chisel from a deep cut, and also a bit of movement to realign the cut to markout lines if you wander.
Cheers,Andy Mac
Change is inevitable, growth is optional.
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30th January 2006, 05:23 PM #19
Andy -
Quick reply before I shoot out the door.
Yes, second drawing is it. That's the prob.
Regards,
GWWhere you see a tree, I see 3 cubic metres of timber, milled and dressed.
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30th January 2006, 05:56 PM #20
Surely pic #2 can be simply machined to pic #3 without losing any width at the cutting edge? :confused:
- Andy Mc
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30th January 2006, 06:39 PM #21Originally Posted by Wood Borer
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31st January 2006, 12:26 AM #22
Here is a picture of some of my mortice chisels, these ones are my current favourites, vintage Oval Bolstered Mortice Chisels from the UK.
<div><img src="http://i13.photobucket.com/albums/a262/Derek50/Chisels/OvalBolsteadMorticeChiselsWC.jpg" border="0" alt="" /> <br />
You can see just how deep the chisels are. Now here is a close-up of a blade. It is not easy to see, but the upper side is fractionally narrower than the back.
<div><img src="http://i13.photobucket.com/albums/a262/Derek50/Chisels/morticeshape.jpg" border="0" alt="" /> <br />
That is what a good mortice chisel should look like.
Regards from Perth
Derek
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31st January 2006, 12:42 AM #23
More tool !!
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31st January 2006, 01:08 AM #24
Nice chisels Derek! I take it you made the handles for them. Which timbers do you prefer?
Green 'chips, is the angle so badly out that it can't be corrected?
Regards,Andy Mac
Change is inevitable, growth is optional.
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31st January 2006, 02:13 PM #25
Andy --
The angle is a bit all over the place.
I already have other mortise chisels slightly larger and smaller than this one, and if I machined it down, I would only end up duplicating what I already have. I will take it back to the guy I bought it from and negotiate a trade for something else, I think. I took some pics of it last night, but they don't make it easy to show the error.
Unless one of you wants to pay me $13 for it plus postage (it's in nice condition, just not square!) I will take it back to my friend.
Regards,
GWWhere you see a tree, I see 3 cubic metres of timber, milled and dressed.
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31st January 2006, 02:29 PM #26Originally Posted by Green WoodchipsBlowin in the Wind
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31st January 2006, 11:24 PM #27
Redwood -
On closer inspection I believe the chisel also bears a striking resemblance to the Virgin Mary. Hmmm ... if that cheese sandwich could attract such high bids on eBay, the sky would have to be the limit for a chisel bearing the likeness of the Holy Mother.
Just a pity I'm a Protestant.
GWWhere you see a tree, I see 3 cubic metres of timber, milled and dressed.
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1st February 2006, 06:05 AM #28Originally Posted by gregoryq__________________________________________
When all else fails- buy new tools - shiny expensive ones
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1st February 2006, 12:55 PM #29
The Virgin Mary has gone to a better place, and has been replaced with a 1" Titan bevel-edge chisel (I had too many mortise chisels anyway), and a couple more Swedish blades. Cheap, and underneath it all, a couple of nice chisels.
Cheers - and appreciated everyone's interest.
GWWhere you see a tree, I see 3 cubic metres of timber, milled and dressed.
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12th April 2016, 06:45 PM #30Intermediate Member
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Wow this thread is now very old but its aided my sanity check after wondering about a recent chisel I brought at a market tool trader. Beautiful old Ward mortice chisel with no signs of usage, however on closer inspection once home I found the profile to be very skewed. That is, all opposing sides are parallel but very out of square. What a waste! Now to find another use for this tool...can't bring myself to demote it to a life of paint tin opening and glue scraping.
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