Rasp Making (Full Version)

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constructordeguitarras -> Rasp Making (Mar. 21 2012 16:29:50)

I received an email from Highland Woodworking with a link to a similar video on the making of these rasps in France. Their manufacture reminds me of the way some of us make guitars, with a combination of machinery and hand work. I thought it was neat the way so much of the work is done by eye.




Peter Tsiorba -> RE: Rasp Making (Mar. 21 2012 19:32:16)

High quality rasp is a joy to use. "By eye" is right, and as long as that eye (and hands, and mind, and over-all body memory) is trained, we all know the quality can go as high as one is willing to take it, and then some.

I heard that these, also French, rasps are even better than Aurious.

http://youtu.be/_pzK2Ei19t4



Peter Tsiorba -> RE: Rasp Making (Mar. 21 2012 20:21:36)

Speaking of video links, how is it supposed to be done so the video player appears in the thread? When I add a link, it stays a hyperlink. What's the trick? Sorry for a non-rasp question...



constructordeguitarras -> RE: Rasp Making (Mar. 21 2012 22:53:18)

Hi, Peter.
It seems that each youtube video can have several addresses and only certain ones will do what you want it to in your post. Don't use the link youtube offers you; use the one that's in your browser address box when you're watching it. I learned this from Foro administrator Simon. See how the address for this video is different here:



Flamingrae -> RE: Rasp Making (Mar. 22 2012 0:10:40)

This is top stuff - great info - how to feel humble and very grateful. I'm going to save both these links as I teach a bit of tool making now and then. As it happens, I have an Auriou rasp that I bought 25 yrs ago. At the time, I was told they were hand cut and I always wondered how. Now I know - cheers people.[:)]



Sean -> RE: Rasp Making (Mar. 22 2012 3:22:02)

Peter not sure exactly your troubles, copy paste the link from your address bar and make sure you check the Embed picture in post box



Liogier -> RE: Rasp Making (Mar. 23 2012 12:57:02)

Hello, I'm the one who did that video and saw in my YouTube account that members of this forum were interested in it so I registered to your Forum. I hope you don't mind.
I'm just here to say hello and answer any questions you may have, even the simpliest ones, as I'm always happy to share with woodworkers.
Best regards,

Noel Liogier



Peter Tsiorba -> RE: Rasp Making (Mar. 25 2012 5:06:21)

Noel,

Nice to have you stop by, thanks for introducing yourself. I am thinking of getting a rasp or two from you soon. My intention is to use them for guitar neck work. My current approach is to roughly shape with a draw knife, refine from there with a spokeshave, and then, basically touch-up any irregularities and ridges, which are minor by that point. What grain would you recommend for this purpose?



Liogier -> RE: Rasp Making (Mar. 25 2012 7:46:44)

quote:

draw knife


привет Peter,

Thanks for your question. According to my experience, Luthiers chose the half-round rasps for doing guitar necks (rather than Cabinet Makers rasps) because of the small radius of some curves at both end of the neck.

Regarding the grain, it all depend what you want to use the rasps for :

- a 300mm (12") with grain # 8 will do the roughing work probaly better than a draw knife.
- a 250mm (10") with grain #11 can replace the the spokshave for refining work, and if I were to choose only one rasp for guitar neck making I would probably pick this one as it'll can do also more than just refining works, but a good part of the roughing work until some of the finishing work.
- a 200 (8") with grain #14 will make the finishing work quick and easy.

Sorry for my approximative english.

Noel



Peter Tsiorba -> RE: Rasp Making (Mar. 25 2012 17:51:31)

Привет Noel,

Вы говорите по русски? Je voudrais pouvoir parler français. Thank you for your reply. Your English is impeccable, nothing approximate about it.

If I understand correctly, half-round rasp has a tighter/smaller radius on one side, and flat side on the other?



Liogier -> RE: Rasp Making (Mar. 25 2012 18:15:18)

quote:


Привет Noel,

Вы говорите по русски?


Bonjour Peter,

Я только говорю на русском с машинного перевода от Google!

Yes, they all (cabinet makers, half-round, modellers, very tapered, curved) have one side flat and one side "half-round" but with different radius (also according to the length)

Here's a synthesis of all the different radius (except for Sage Leaf who has two half round side with different radius).



constructordeguitarras -> RE: Rasp Making (Jun. 19 2012 17:27:30)

I just got one. From Lie-Nielsen Toolworks, it came with a maple handle. I got the 10-inch 9 g and it was much bigger and finer-grained than I expected, but I used it today and it is nice to have. It is much heavier and finer than either of the Nicholson 49 and Nicholson 50 that I have been using. The weight and width seem to make it do more of the work for me, and the shape of the tip is very nice for getting into tight places, like where the neck transitions into the head of the guitar.
-Cheers





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