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It sounds like you have got a metal worker's 4 jaw independent chuck rather that a woodworking 4 jaw scroll chuck. A scroll chuck's jaws all move at the same time and it is self centering. The independent chuck's jaws are moved individually and getting centered is a much more complex...

If you are just trying to keep it from moving/cracking between turning sessions then wrap a plastic garbage bag around it and seal it as well as you can each time you stop turning for the day. As moisture comes out of the wood it will raise the humidity inside the bag until they reach an...

Hi, John: Wow, that was fast! I am glad that it will work for you. Take care Bob

Oops! Sorry, John, I didn't realize you couldn't reply to my private message. Anyway, it is in the mail and should reach you in a week to ten days, according to Canada Post. Take care Bob

Rodders: Steaming them would plasticize the lignin enough to allow them to move without cracking to adjust to their new shape, but would take longer than 4 hours for a bowl turned to a 10% wall thickness, I would think. The ones in the video were cored to finished thickness and the rim and...

I am not certain, but I believe the theory behind boiling rough turned bowls is to relieve stresses in the wood that can lead to cracks. The "glue" that holds the fibers of a piece of wood together is called lignin and boiling the bowl softens the lignin and allows the wood to "relax" into its...

You should only need to buy a new insert for the chuck to be able to use it on your lathe. No need to buy a thread adaptor unless you have other tooling that requires that thread. Check here for chuck inserts: http://www.recordpower.co.uk/category/chuck-inserts Take care Bob

Here is a link for the Vacuum Master chuck: http://www.sierramold.com/wvchuck.htm They ain't cheap... :D Bob

Those Axminster jaws appear to be similar to the Oneway "Flat Jaws" that I have that allow making custom shaped adjustable "faceplates". I do find it odd that the holes for attaching the wood appear to be countersunk on the same side of the jaws that the holes for mounting it on the chuck are...

In the case of my Poulan the chain is the one that came on the saw and I tension it the same as I do all my other saws. I have tried tightening it further but the chain still pops off the sprocket when it encounters long, stringy shavings. I believe the shavings get pulled in between the chain...

I have a Poulan electric saw that sounds as though it does the same thing. If I try to use it for ripping where the wood is coming out in long streamers they bind up inside the sprocket cover, tangle in the chain and pop the chain off the sprocket. The chain basically stays on the bar but...

I don't have one of those rests but I have parted rings freehand to make bowls. Here is a link to the playlist for my video series "Coring Backwards" showing how I did it: https://www.youtube.com/playlist?list=P ... 23579342F2 This isn't the same bowl as in the videos but it was made using...

Hi, Greg: Fine grained woods like maple, birch, cherry, sycamore, etc. would be preferred. Coarse grained woods like oak and ash may not take threads as well, although I have used both successfully. For that matter, I have used pine and spruce successfully, not that I would use them in a high...

Hi: For tapping the hole you need to have the tap aligned exactly with the hole. The easiest way to do that that I know of is to mount the wood on the lathe, bore the hole using a Jacobs chuck in the tailstock, then switch back to your live center and seat the point of the live center in the...

Hi, Duncan: I am not familiar with Camvac dust extractors, but if they are anything like my dust extractor there is a considerable difference between that and a shop vac type vacuum cleaner. I wanted to use vacuum clamping to hold a template to some parts I was pattern routing many years ago...

The instructions with the Beall spindle tap recommend only tapping face grain. Tapping into end grain will not yield as strong a thread, and depending on the wood may not yield any threads at all. :D I reinforce my threads with thin CA glue after cutting the treads and then run the tap in one...

I use the Beall spindle tap for most of my vacuum chucks. It works very well and I have found that threads cut in hardwood seem to be quite durable. I usually make a hardwood disk which gets bored and tapped and then mount a disk of melamine coated particle board to the face of it for sticking...

I am glad to see that that worked for you. I wouldn't have thought of using 20 mm. tube since I was under the impression that the shoulder around the 20 mm. section would be required to seat the bearing square to the length of the tube. Did you have to do anything special to keep the tube...

Hi, Greg: I'm sorry, but I have spent the last hour trying to upload some pics and cannot access my web site for some reason. All of your questions are answered in the video liniks I previously provided. The pipe is THICK WALLED so there is enough meat to tap threads. Picture a 1" diameter...

The Nova hand wheel that was on my DVR had a threaded hole for a set screw to snug on to the outer race of the bearing and lock it in place. The outside diameter of the bearing was a very good slip fit into the hand wheel recess, but I wouldn't attempt to use it without the set screw. I have...