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16th May 2013, 07:48 PM #1
Some very basic wood working questions
Hi All, So I have collected a few hand tools (some how I have ended up with 10 planes already how did that happen?) and started to use them in anger but have some simple questions.
1. When sawing or planing to a line, do I saw/plane on the waste side of the line leaving the line or do I remove the line. Seems if I plane or saw on the line I lose the line so have no reference?
2. I have been putting a micro bevel of 30 degrees on my block planes that have a primary bevel of 25 Degrees but my other planes have a primary bevel of 30 degrees what angel should I micro bevel?
3. Probably not the right forum thread but I have some timber that I found down the back of our yard from memory I got it from the tip. Looks like it was an old post. The wood is red in colour and when weathered a sort of crust forms on the outside. It is definitely a hard wood but it is not like concrete and works quite well. I live on the south coast of N.S.W. any thought what it might be. My Father ruled out red gum which he is familiar with.
Here is a mallet head I made from it.
mallet.jpg
Thanks
Mike
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16th May 2013 07:48 PM # ADSGoogle Adsense Advertisement
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16th May 2013, 10:03 PM #2
First - nice mallet
Sawing exactly to a line is something I have been discovering/enjoying recently.
I haven't sawn small pieces - like dovetails - but larger material with handsaws.
I have been making the line the edge of the kerf ... but if you wanted to cleanup with a chuting/shooting board you could leave a hair more than that.
I first came across planing down to a line when I starting finding out about squaring a board.
Having flattened a face and made square edges, then you mark the desired thickness off the face side, and then plane down the material to that line. It was a wonder to me to reach the line and have it feather off once you reached that mark.
I've found good links to this stuff a long time ago ... will try and recall them
Cheers,
Paul
Just to add a point to that ... for planing to thickness ... once you are down to/almost to the line all around the edge you can then take down the middle section without changing the edges ... and a straight-edge will tell you when you are all done.
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17th May 2013, 10:12 AM #3
Mike - tradition and common sense say to saw RHS, waste side, of the line (if you are right handed). How close you cut depends on what you are sawing. For dovetail tails, for e.g., where you intend to assemble 'off saw', you juuust take out the line ('split the line' as our old manual-training teacher used to put it). If you are wanting a finished, visible edge, leave enough that you can clean up to the line with a plane, or whatever your weapon of choice is. Depending on your skill & how sharp & well-set your saw is, you can go very close to a line & only need a few swipes with a plane to have a perfect surface, but if your saw is a bit cranky & leaves a very rough, wandering cut, it's better to stand off a mm or so & do a bit more planing.....
Identifying wood from a photograph is a very uncertain business. It looks like a Eucalypt from the way the surface has checked, but that only narrows us down to about 100 species that are red or red-ish. Agree it doesn't look like R. Red Gum because the checks are a too coarse for typical R.G., but I wouldn't take any bets. If you were sure it was a local wood (which I guess you can't be, since you don't know where it came from), that would be your best start in narrowing it down, since there is a limited number of E. species in any one locality...
Cheers,IW
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17th May 2013, 12:09 PM #4
Thanks Ian,
That clears up the line issue! I was always in two minds on what to do.
I'm beginning to understand that once you have lost the origional source of wood it can be a tough job to identify it unless it is something very unique, thanks for your effort anyways.
Mike.
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17th May 2013, 12:53 PM #5
Paul Sellers might help you out ... see this from the 19:00 minute mark.
(It's all worth watching)
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17th May 2013, 06:01 PM #6
Hey, if you made a hand tool with it, this IS the right forum
You probably need a Guardian Angel - but seriously, for bevel down planes the norm is 25° primary and 30° secondary/micro. You don't have to have a micro bevel, but it makes life easier. Just raise the angle another 2° or so, to avoid having to polish the whole bevel.
You should be flexible with your bevel angles on bevel up planes, as the micro-bevel sets the EP of the plane. So if your block plane has a 20° bed and a 30° micro bevel, your EP is 50°, which is starting to get into higher pitches. If your block plane has a 12° bed, your EP is 42°.
If you want to plane a lot of end grain (on wood that's not too hard) then a lower primary and micro bevels would be better. For example, if the steel in your iron is good enough to hold an edge at 25° (micro bevel), in a 12° bed block plane, would give you an EP of just 37°.
Cheers, Vann.Gatherer of rustyplanestools...
Proud member of the Wadkin Blockhead Club .
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18th May 2013, 06:47 AM #7well aged but not old
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18th May 2013, 03:47 PM #8
Thanks Vann!
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18th May 2013, 03:53 PM #9
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19th May 2013, 12:59 AM #10
Hi Mike
generally you always saw on the waste side of the line. How close to the line depnds on your skill level and the purpose of the cut
when docking to length I'll stay about 10-20mm away from the line and hold the work by hand
when cutting to length I'll be about 1mm on the waste side, use a bench hook and finish to the line with a shooting board
when cutting the shoulder of a housing joint, I'll use a chisel to remove a triangular trench on the line (the vertical wall of the trench is on the line and the rest of the "trench" is on the waste side), I'll clamp the piece and cut right to the line with a hand saw -- this takes a bit of practice -- but once mastered the saw's set will just kiss the line
nice looking mallotregards from Alberta, Canada
ian
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20th May 2013, 10:16 PM #11Senior Member
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Just watched the 30 odd minutes from the master ...... sorry what was this thread about again, some wood .. a mallet ?
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20th May 2013, 11:03 PM #12furn maker
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What i did before i had power tools was, assuming the wood is dressed, mark your cut with a knife. This knife mark travels on both faces and edges.
saw lots of practice pieces then saw the board almost to the line. Then plane the sawn edge to the knife line.
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21st May 2013, 08:04 PM #13
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21st May 2013, 08:06 PM #14
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22nd May 2013, 10:19 PM #15
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