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I find that I use files, rasps, and rifflers somewhat more than knives and gouges. A few months ago, I splurged, and bought an Auriou #9 modellers rasp. I've been delighted w. how nice it is to use. A week or so ago, I was roughing out some sticks, either removing or reducing the bark, and forming grip areas. I was working on a piece of hickory, and between its hardness, and the cold temp of my work space, I began to feel a little frustrated and impatient.
My go to tool is a Nicholson 4-in-1 rasp that I've used for at least 25 years. The coarse teeth haven't had much use because they are so hard to push. The fine toothed parts have had a lot of use, and I'm pretty sure they are somewhat dull. The Auriou #9 was in between. I decided that I wanted something more coarse. After I saw the price of an Auriou #6, I took a deep breath, a thought "why stop w. 1?" I bought a #6 cabinet makers rasp, a #10 modeller, a 4-in-1 with #7 & #9 teeth, and a curved Iwasaki fine half round file. (I have several Iwasaki flat files, and am happy w. them.)
Started using them yesterday to thin down the grip area of the hickory, which felt too bulky. I decided to do some side by side tests. Here are some pics I took this morning.
The 1st pic shows 2 things. On the left are the cuts made by the #6 cabinet rasp, and on the right, the #10 modeller. The upper portion is the handle lit by both daylight and 1 of my new LED work lights placed about 18" away. You will notice that the LED provides a more raking light that is noticably bluer than the lower section of the image, which is daylight coming thru a north window.
The second pic is off the marks made by the old 4-in-1. The course side is more coarse then the Auriou #6.The fine side is somewhat finer than the Auriou #10. I failed to note how many passes it took to "fine" the base coarse cut. It may have taken more passes to get to what is shown.
3rd pic shows on the left the effects of a round coarse Microplane rasp, and on the left a fine flat Microplane which is quite worn. Not a good pairing for this demonstration. A coarse flat and a new fine flat would have been better.
Last pic shows the marks of a round bastard cut file on the left, and the finish from passing a smaller rasp that I believe was originally intended for sharpening chainsaw teeth. I don't use the rattail that often for roughing, but it does have an agressive cut.
Of all the tools I showed here, the coarse cut sections of the Nicholson are among the hardest for me to use. Next hardest and least well suited for this particular cut was the round Microplane.
The upside of those tools is that the Nicholson costs about half what the Auriou 4-in-1, (not shwon) costs. The Microplanes cost about half that, but my experience shows that the fine cut rasp will need to be replaced with moderate use. In the long run, the Nicholson would probably be less expensive.
The 2 Auriou rasps shown are about 5 times more expensive than the Nicholson. At present I don't have a suitable bench w. vise that would allow me to use the Auriou #6 to full effect. With that, I suppose it would ruduce bark and wood to smooth surfaces very quickly.
The bastard files are inexpensive. But they clog up, as does the Nicholson rasps. Because they have a regular machine cut to them, unlike the Auriou tools, they leave more pronounced tooling marks that are harder to remove by finish scraping.
Based an a few minutes of use, I really like the performance of the Auriou #10. The word that passed thru my head as I used it was "Sweeeeeet."
The items demonstrated:
My go to tool is a Nicholson 4-in-1 rasp that I've used for at least 25 years. The coarse teeth haven't had much use because they are so hard to push. The fine toothed parts have had a lot of use, and I'm pretty sure they are somewhat dull. The Auriou #9 was in between. I decided that I wanted something more coarse. After I saw the price of an Auriou #6, I took a deep breath, a thought "why stop w. 1?" I bought a #6 cabinet makers rasp, a #10 modeller, a 4-in-1 with #7 & #9 teeth, and a curved Iwasaki fine half round file. (I have several Iwasaki flat files, and am happy w. them.)
Started using them yesterday to thin down the grip area of the hickory, which felt too bulky. I decided to do some side by side tests. Here are some pics I took this morning.
The 1st pic shows 2 things. On the left are the cuts made by the #6 cabinet rasp, and on the right, the #10 modeller. The upper portion is the handle lit by both daylight and 1 of my new LED work lights placed about 18" away. You will notice that the LED provides a more raking light that is noticably bluer than the lower section of the image, which is daylight coming thru a north window.

The second pic is off the marks made by the old 4-in-1. The course side is more coarse then the Auriou #6.The fine side is somewhat finer than the Auriou #10. I failed to note how many passes it took to "fine" the base coarse cut. It may have taken more passes to get to what is shown.

3rd pic shows on the left the effects of a round coarse Microplane rasp, and on the left a fine flat Microplane which is quite worn. Not a good pairing for this demonstration. A coarse flat and a new fine flat would have been better.

Last pic shows the marks of a round bastard cut file on the left, and the finish from passing a smaller rasp that I believe was originally intended for sharpening chainsaw teeth. I don't use the rattail that often for roughing, but it does have an agressive cut.

Of all the tools I showed here, the coarse cut sections of the Nicholson are among the hardest for me to use. Next hardest and least well suited for this particular cut was the round Microplane.
The upside of those tools is that the Nicholson costs about half what the Auriou 4-in-1, (not shwon) costs. The Microplanes cost about half that, but my experience shows that the fine cut rasp will need to be replaced with moderate use. In the long run, the Nicholson would probably be less expensive.
The 2 Auriou rasps shown are about 5 times more expensive than the Nicholson. At present I don't have a suitable bench w. vise that would allow me to use the Auriou #6 to full effect. With that, I suppose it would ruduce bark and wood to smooth surfaces very quickly.
The bastard files are inexpensive. But they clog up, as does the Nicholson rasps. Because they have a regular machine cut to them, unlike the Auriou tools, they leave more pronounced tooling marks that are harder to remove by finish scraping.
Based an a few minutes of use, I really like the performance of the Auriou #10. The word that passed thru my head as I used it was "Sweeeeeet."
The items demonstrated:

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