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View Full Version : The Making of the Oak Burl HF



Steve Schlumpf
09-04-2010, 12:57 PM
I spent a long time looking at this blank – right at a year! – trying to decide what it was I wanted to turn. I kept coming back to a hollow form because of all the voids and bark areas that I knew would open up once turned.

So, here are a few shots of the blank – before being turned.
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I wanted the rotted branch area to end up on top of the hollow form, so I mounted it on the lathe with that end of the blank at the chuck. I used a woodworm screw in the chuck to secure the blank.
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continued...

Steve Schlumpf
09-04-2010, 12:58 PM
First step was to round over the form and balance it so that the speed could be turned up. When first starting out, the speed was only around 400 rpm because the blank was very unbalanced.
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Next step - form a tenon and shape the bottom of the hollow form.
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Reverse the blank so that the chuck now grabs the tenon. The tailstock was used for support but first took some photos for an uninterrupted view of the blank.
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Last step before hollowing is to shape the top of the hollow form.
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continued....

Steve Schlumpf
09-04-2010, 12:58 PM
Captured hollowing system set up in place.
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Next photos show the hollowing process as the piece gets progressively thinner.
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continued...

Steve Schlumpf
09-04-2010, 12:58 PM
At this point the hollowing has been completed and the form is sanded.
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Form is mounted in the donut chuck so the tenon can be turned away and the area sanded.
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The finished hollow form with a couple of coats of wipe-on gloss poly.
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I hope the photos help explain a little of the process of turning something from a rough chunk of wood to the finished product. If you have any questions, please let me know!

Roger Chandler
09-04-2010, 2:11 PM
Great tutorial Steve! That process is something that pictures really help the reader of the posts to get their minds wrapped around.

Thanks for taking the time to help the rest of us! Your doughnut chuck, and the captive rig really are helpful to understand what one needs to successfully undertake a turning such as this one.

Super job, and thanks again!

Nate Davey
09-04-2010, 2:53 PM
Thanks for that Steve, and all the others who have taken time to post their progress pics. This if very helpful for me as a new turner.

William Hutchinson
09-04-2010, 3:02 PM
Very helpful tutorial, thanks for posting. What I found especially interesting is how you envisioned the rough form when deciding on how to position it on the lathe. It takes a practiced eye to get the most out of the material. The result was a beautiful HF, as usual.

Ted Calver
09-04-2010, 3:29 PM
Steve, This a wonderful piece and a great photo sequence. Thank you for posting and sharing your techniques. I know this is not the first time you have shown us a photo sequence, but I just wanted to let you know how much it is appreciated.

Robert McGowen
09-04-2010, 3:44 PM
Thanks for the photo sequence, Steve. You really have to know where you want to end up before you start cutting!

Ray Bell
09-04-2010, 3:44 PM
Steve, thank you for this picture tutorial. I actually turned a chunk of box elder yesterday, that I knew was the proper shape for a HF, but just didn't know how to do it. So it ended up as yet another simple bowl:o I do have some pieces now that I want to try this on, and this thread helped clear up some things for me.

charlie knighton
09-04-2010, 4:00 PM
thanks for sharing Steve

Richard Madden
09-04-2010, 4:10 PM
Steve, Thanks for taking the time to put this together.

Steve Vaughan
09-04-2010, 4:20 PM
That's a great tutorial for us. Thanks!

Jack Tyree
09-04-2010, 4:40 PM
Very enlightening - pictures are worth a thousand words and also answer a lot of questions and concerns I have had about getting into hollow forms. I appreciate the time you took very much.

brian watts
09-04-2010, 6:32 PM
Thank you for posting and sharing your techniques

gary Zimmel
09-04-2010, 6:38 PM
Great tutorial Steve. Thanks for taking the time to post it.

Bernie Weishapl
09-04-2010, 6:52 PM
Steve thanks for sharing. That is a great looking HF.

Michael James
09-04-2010, 6:52 PM
Steve,
Even tho Im wading my way into these forms, this is very helpful.. as was the earlier post by another turner. Still wanking away with my Nicol hollowning device, as I wait for the mini monster.
I see by your post there is no avoiding the donutchuck for the forms I have in mind.
mj

John Keeton
09-04-2010, 8:14 PM
Neat pic tutorial, Steve!! I notice you left out a step I try to put in sometimes - the part where it flies off the chuck and bounces off the floor!!:eek::D If I had thought to take some pics of that part, I could have filled in the gap for you!;)

James Roberts
09-04-2010, 8:20 PM
Excellent tutorial Steve, thanks so much for putting it all together for us.

Baxter Smith
09-04-2010, 8:35 PM
Thanks for the tutorial. I found it very interesting and helpful!

Rob Cunningham
09-04-2010, 9:14 PM
Thanks for posting the photo tutorial Steve. Pictures really do speak volumes.

Curt Fuller
09-04-2010, 9:50 PM
Great tutorial Steve! I couldn't tell, does this piece have a flat or foot at all or is it kind of a round 'rock and roll' bottom?

Christopher K. Hartley
09-04-2010, 11:01 PM
Ok, Showoff...So you've learned to turn without any curlies. I don't know if I will ever reach that level of skill. All kidding aside, very helpful tutorial thanks.:)

Michelle Rich
09-05-2010, 8:22 AM
Thank you Steve. Amazing progression. Having the capacity to see the HF in that bizzare shaped piece of wood is a luxury for a turner. Must take years and many pieces to "know" your quarry.

Mike Cruz
09-05-2010, 12:37 PM
Steve, that was exactly what I was looking for when I asked folks to post progressive pics of their turnings. Thanks a million. Oh, and of course, very beautiful HF.

Steve Schlumpf
09-05-2010, 2:08 PM
Glad to hear that everyone liked the photo sequence. Don't usually take a series of photos - just a few of the finished turning. Will think about a series more often - when the wood looks like it might be interesting.

Curt - the bottom of the HF is round but with a very slight concave area so that it will sit on a table/shelf without rolling away!