Make Your Own Try Plane

Introduction: Make Your Own Try Plane

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Phil Edwards talks us through how to make your own try plane.

I made my try plane from bubinga (also called African rosewood), although any durable hardwood will fit the bill. I could only source 50mm thick planks, so I had to laminate stock together to get thick enough material. You will need a piece 600 x 75 x 62mm for the centre block, as well as two cheeks measuring 600 x 75 x 8mm. Rip the timber down to size on the bandsaw, then glue up the pieces to form the centre block.

Step 1: Marking Out the Centre Block

Begin by planing all the pieces flat and true, photo 1. Then square the edges. Set aside the cheeks and set out the centre block.

Choose one face to be the sole and measure back 200mm from the toe for the mouth. Mark a line square across the sole, then mark up the sides of the plane at 50° for the bed. Then draw a second line at 60° for the abutments for the wedge. Start this line 4mm forward of the mouth.

Step 2:

Cut the block on the table saw, photo 2, and discard the centre wedge. The larger section is the bed block (with the 50° ramp) and the smaller piece is the toe block.

Clean up the bed with a sharp block plane. With the bed flattened, make a small chamfer on the leading edge to prevent it chipping and set it aside.

Step 3: Marking Out the Front Block

Next, mark out the abutments and throat on the front block. Mark a line across the Phil ends his series of planemaking projects with the try or jointer plane – the longest of the bench plane family top face of the block 170mm back from the front edge. From this line, mark down the sides of the block at an angle of 65°. Then, on the side of the block, strike a line from about 3mm above the lower edge upwards at 75°. This defines the throat.

Using a marking gauge set at 8mm, mark down the front edges and the top face of the throat on both sides. These are the abutments for the wedge. On the top face draw a line diagonally from the front edge (8mm out) back to the front of the throat. At the point where the two angles meet on the side of the throat, mark this height along the front. Make a diagonal line from this height out to the sides of the block, stopping 3mm up, photo 3. This completes the layout.

Step 4: Cutting the Throat

Cutting the throat Clamp the toe block in a vice and, using a tenon saw, cut to the waste side of the layout lines. I made additional cuts to make it easier to chop out the waste. Remove the material between the lines using a chisel and mallet. Cut the top section of the throat first, then reposition the block in the vice and saw and chop out the lower section. With the waste material removed, use a paring chisel to clean up the surfaces. That’s the cheeks and centre blocks ready for gluing up, photo 4.

Step 5: Glueing Up the Body

Now is a good time to make the iron, as you will need it to check the opening of the mouth. I made mine 58mm wide by 190mm tall from 3mm thick tool steel.

When you glue the pieces back together, position the front block so the iron won’t protrude through the mouth – leave it so the iron touches the front about 1mm up inside the throat. Apply glue to the sides of the centre blocks and sandwich them between the cheeks. Make sure the gap for the mouth is correct and start applying clamps. As you apply clamping pressure the pieces may move around and a gentle tap to re-align the pieces may be needed. Leave it overnight to cure, photo 5.

Remove the clamps from the plane and scrape off any glue squeeze out. Make sure to remove any glue on the bed and abutments, which will otherwise interfere with the fit of the iron and wedge.

Step 6: Shaping the Body

Draw a line on the top of the plane from the front edge of the abutments to the back of the throat where the cheeks touch the centre blocks. Remove this material using a rasp and tidy up with a chisel. This makes it easier to remove shavings from the throat.

I was originally going to make this plane in the “Razee” style, with a lower rear section. But as I started to mark out the shape I realised I could easily make a more graceful design. The design ended up as a cross between the Stanley Bedrock style and a classic Infill style.

Remove the waste on the bandsaw, photo 6, and then use a belt sander to remove the worst of the saw marks. A cabinet scraper will quickly bring the surfaces to a finished condition.

Step 7: Forming the Wedge

Cut a wedge on the bandsaw from an off-cut of timber to a width of 60mm and an angle of 10°. Clean up the saw marks with a block plane, and shape the wedge on a disc sander, photo 7.

Step 8:

Test-fit the wedge with the iron in place, and check where it beds against the abutments – it must fit snugly against both sides simultaneously. Mark the abutments with pencil to see where the wedge fits and where it doesn’t, and cut back the ears as necessary, photo 8. When the wedge is fitted, shape the top edges and apply chamfers.

Step 9:

Check to see if the iron will project through the mouth (it probably won’t). Clamp the plane upside down in the vice and, using a small mill file, remove small amounts from the front edge of the mouth. Test the iron again and continue removing small amounts with the file until the iron just peeks though the mouth. Refit the wedge and take a test cut. You may need to open the mouth a little more to allow the plane to cut without shavings choking in the mouth.

Step 10:

The tote (handle) for this plane is of the fully enclosed type. I started with a block of timber 25mm thick and 150mm square. Sketch out your design, photo 9, and remove the waste using drills and the bandsaw.

Step 11: Making the Tote

Then shape the handle to a comfortable fit, testing it with your hand. Use rasps and sandpaper to complete the smoothing, photo 10.

Step 12:

Mark out the mortise on the rear of the plane. Make sure the iron won’t foul on the tote when you try to remove it. Drill out the waste and then chop and pare the mortise to a snug fit, photo 11. Glue the tote in place.

Step 13: Forming the Chamfers

With the plane almost complete, we can now add the final chamfers. Mark them out along the sides of the plane and cut them using a spokeshave. The chamfer on the front end of the plane will need to be finished with a chisel, photo 12.

Step 14: Finishing the Plane Body

Give the plane body a light sanding with 320-grit abrasive paper. Apply two coats of boiled linseed oil to the plane and wedge, photo 13. Remove any excess after 10 minutes and leave it overnight to dry. Rub a coat of paste wax into the plane (avoiding the bed and abutments) and buff it off.

Step 15: Fitting the Strike Button

Turn a small knob 25mm in diameter by 50mm deep on the lathe – I used an off-cut of rosewood for this. This will serve a dual purpose – to give you somewhere to rest your thumb in use, and also to strike when you want to remove the iron.

Drill a 25mm hole 25mm deep in the front of the plane, 110mm back from the toe, photo 14. Glue the knob in place, and the plane body is finished.

Step 16: Testing the Plane

Sharpen the iron and set it in place. Fit the wedge and set the iron projection for a fine shaving – the iron should barely protrude from the mouth. Take a test cut; does it give a full-width shaving? If it doesn’t, make sure the iron is projecting squarely.

If you find the plane won’t consistently take a very fine shaving, you may need to flatten the sole. Stick a sheet of 120-grit abrasive paper on a fl at surface and, with the plane iron retracted but the wedge fully tightened, give the plane a firm push over the sandpaper. I actually used the in-feed table of my surface jointer to do this, photo 16. Take a look at the sole to see where wood has been removed. Give the plane another stroke or two to ensure that any bumps have been removed, and test the plane again. Finally, you may need to open up the mouth a little if you find that it’s choking when you try to take a thicker shaving.

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    5 years ago

    Very good job! I made one with a walnut sole. That was a big mistake! Walnut is heavy but not hard, tropicals are much better for this. I made another, a jointer, from maple with a rosewood sole and an ironwood mouth. It cuts great. Made another (a coffin smoother) from Brazillian cherry with a high cutting angle. It's the bomb for gnarly wood. Keep up the good work!


    7 years ago on Introduction

    Ouch, shouldn't these things be made especially without an already existing plane?

    broken board
    broken board

    9 years ago on Introduction

    beautiful, wish I had the confidence to make one.

    I have my dads, dads plane in the shed, its about 500mm long.

    id love to use it but I cant work out how to keep the blade level.

    how do you overcome this with yours ?