Two ideas that worked.... surprise!

**Barry_White** · 25th July 2007, 08:05 PM

Originally Posted by Skew ChiDAMN!!

Care to expand on what you mean by "dig-ins," Barry? It has me puzzled, as a correctly held scraper shouldn't get dig-ins. Not as I understand 'em, anyway.

So you've piqued my curiosity...

Hi Skew

Maybe I should have said catch rather than dig in. This used to happen when turning very large rings up to six feet in diameter with a flat face of up to six to eight inches across which had to be dead flat. With a scraping chisel without the top bevel we would often get catches.

These where turned on a 2 foot diameter faceplate to which a timber cross arms was attached. The pattern ring was attached to the cross arms with 4" screws. The depth of the rings would be from six to eight inches in depth and were constructed and built up from segments.

All this was mounted on just a headstock mounted to the floor and no bed or tailstock for the lathe and it had a 4 foot swing. It was driven by a three phase motor abd had three inch diam spindle to mount the face plate to.

Now when you get a catch on that spinning around 3 feet away from the centre you can also get some brown skid marks.

We found by grinding the bevel on the top of the scraper it eliminated the catches.

The bevel we ground was no where near as pronounced as the one in the pic in Joes post but it did stop catches.

I have posted a pic of the scraper I used to use. The bevel may be a bit hard to see because it blends in with all the rust on the chisel. This chisel is over 50 years old and has not be used in anger for 45 years. I think it is a bit of overkill to use on a pen. This chisel is made from an old file with all the teet ground off.

**Rance** · 26th July 2007, 06:44 AM

Soundman,

I am truely saddened. I see you started this new thread and go to read with much anticipation but when I get there, I see your new Avatar. My attitude just sank. Well, I guess I'll just have to recall from memory the times when I see your posts and think of that old Avatar with that jolly looking fellow to brighten my day.

Oh, and I started using your tag line about us being made of meat for the woodworking classes I teach now. It's a hoot.

Oh, on subject, I scanned the topic and didn't see a pic of your new plain square chisel. Did I miss it somehow?

Rance

**OGYT** · 26th July 2007, 08:22 AM

Bazza, I appreciate your explanation of the dig-ins... that's what I still call catches, most o' the time. Could be 'cause most of my catches are diggin' holes.

Now that I've seen your scraper with the little bevel on top, and the diagram of Scooter's, I may try somethin' betwixt the two, on one of mine. (hope I don't get th' skid marks)

**soundman** · 26th July 2007, 10:49 AM

Yeh I thaught it was time fro a change of avitar.....I may go back to "Angry of Mayfair" at some time in the future...... or perhaps " Captain Cremmin".

as for the picture of the UNskew... no I didn't post a picture of it.... I thaught it was self explanitory........ Its a skew chisel that isn't.

cheers

**HansGScholte** · 29th July 2007, 10:44 PM

I got quite interested in this unskew chisel.

As far as I know, in the mid 20 century revival of woodturning the square end chisel was the preferred tool for planing cuts. Skews were used for facing off and comparable cuts. Later woodturners seemed to get used to skew chisels as more versatile and most forgot about the square chisel.

In Peter Childs 'The craftsman woodturner' there is a section on this chisel.
These chisels are still made, a.o. by Henry Taylor and Ashley Iles

Hans

**Baz** · 21st August 2007, 06:00 PM

Soundman, I was turning some mallee bowls today and thought that I would give your idea on sharpening the scrapper upside down a try. Very impressed with the result, a bit harder to get the angle right but worth the effort.
Cheers
Barry

**soundman** · 21st August 2007, 09:33 PM

interesting hey.

Thread: Two ideas that worked.... surprise!

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