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My Infill Experience

 by Jim Crammond

July, 2002





Jim's Infill 1 (23216 bytes)
Jim's Infill 2 (30653 bytes)
Jim's Infill 3 (17947 bytes)



After seeing Wayne Anderson's infills at the MWTCA Fall 2001 meet in Franklin, Tennessee and reading the threads on Badger Pond and the Oldtools List about making infill planes, the seed was planted in my mind that maybe I, too, could successfully fabricate one of them. My first attempt was an infill 3/4" rabbet plane. I did some research on the internet about making one and started right in. The result was a fully functional plane, but it was not quite the quality I would have liked, i.e. the fit and finish and the size of the mouth were not quite as good as I had hoped. About this same time, I became aware of the Shepherd Tool Co. plane kits and ordered one thinking that it would enhance the experience to have specific instructions about making an infill.

I received the kit towards the end of April 2002 and started assembling it early in May. My kit was one of their early versions before they offered pre-cut wooden infill parts but did include a cast brass lever cap. The time estimates that Doug and Ben from Shepherd Tool have cited were fairly accurate, although the whole process took longer than I would have liked, but that was because of all the other projects I started while working on this plane.

The kit contained the sides and sole of the plane pre-cut, so construction started with filing the compound angles on the tails and pins. Next, the throat plate was installed at the back of the mouth on the sole and the forward edge of this piece was filed to form a 45 degree angle from the bottom of the sole to the top of the throat plate. To assemble the shell of the infill, the sides and sole were put together and a temporary peining block installed to keep the shell square. The peining process was a little daunting at the start, but it is actually fairly easy and straightforward. It is amazing to see the metal move and fill in the gaps in the dovetails, all from a little tap, tap, tap.

After assembling the shell of the plane, the next step is making the infill to stuff it. I used cocobolo to make a closed tote instead of the open tote suggested with the kit. I did this because I liked the looks of the handle on the Spiers panel plane that I have and it was an option offered by Spiers for the No. 7 smoother. I looked at all the planes I have with closed totes, checked several books and the net, decided which shape I liked the best and then copied the tote on the Spiers panel plane that I have. I really like the elongated horn of the Spiers style. In hindsight, I would have made the base a little wider and the handle at more of a forward angle for aesthetic reasons. I also would have made the bun taller and more curved. It is actually fairly comfortable to use. This is actually the most exacting and time consuming part of the project.

The next step was to flatten and true up the surface where the iron is bedded. This consisted of filing the infill until it matches the angle of the throat plate and sole. Next the lever cap was installed. and finally, the iron was bedded using the traditional soot method. All that is left at this point is to sharpen the blade, flatten the sole and do the final cosmetic work to the exterior of the plane.

I'm very happy with the result. This plane works well on all the wood I've thrown at it, with the exception of some wenge. The throat opening is less than .001" and on domestic hardwoods I've been able to plane with or against the grain with no tearout. It also handled a piece of birds-eye maple that I have with no tearout. I encourage anyone to go ahead and make one, the hardest part is getting started. The skills it takes to make a plane are similar to the skills needed for woodworking with handtools, and it really is much easier than I thought it would be. For me it is very rewarding to make a tool and be able to use it regularly on the projects I am involved in.
 

Last Modified:  02/15/2005