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Handplane Restoration #18: Stanley #78 Duplex filletster and rabbet plane

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Blog entry by WayneC posted 2575 days ago 23953 reads 2 times favorited 19 comments Add to Favorites Watch
« Part 17: Aw Screw it Part 18 of Handplane Restoration series Part 19: Cleaning Parts with Citric Acid »

I’m straying a little from the bench planes today and documenting the restoration of a Stanley #78 Duplex Filletster and Rabbet Plane. I found this plane at the flea market last weekend and had been wanting to play with one. This one was in fairly good condition and was complete. Many of these planes that you find are missing parts. Things to look for are the depth stop, fence, and 3 blade spur.

This plane can be used with the blade in two position one for normal use where you cut rabbets and bullnose position. This plane was made after 1925 given the lever that is used to adjust the blade. A good post on how to tune this planes can be found on the Australian Woodworking Forums.

Here are some before photos.

Side view - before

Front

Rear view

The next step was to disassemble the plane. Here are some photos of it apart

Disassembled

Close-up 1

Close up 2

Next I removed any rust from various parts with abrasive blocks and then applied a coat of schallac to all of the japanned (black) parts. This protects the plane from further rust and brightens the finish. If needed it can be removed with denatured alcohol.

Protecting the parts.

One trick I use to to clean up screws in a drill chuck on the lathe. I use abrasive blocks while the lathe is spinning. I does a good job.

Cleaning up a knob

Next to assemble and test the plane. I sharpened the blade earlier in the week, so it is good to go.

Finished

Finished - Front

It cuts rabbets quickly….

Finished

Have a wonderful weekend….

-- We must guard our enthusiasm as we would our life - James Krenov



19 comments so far

View Bob Babcock's profile

Bob Babcock

1804 posts in 2685 days


#1 posted 2575 days ago

Sweet Wayne. I’ve started keeping my eyes out for some planes and chisels to restore. I’d like to focus on my handtool work more and you’ve inspired me to start restoring some. You can expect some questions.

-- Bob, Carver Massachusetts, Sawdust Maker http://www.capecodbaychallenge.org

View Karson's profile

Karson

34858 posts in 2999 days


#2 posted 2574 days ago

Great Job Wayne. I need to find a Flea Market or two around.

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware karson_morrison@bigfoot.com †

View Dorje's profile

Dorje

1763 posts in 2595 days


#3 posted 2573 days ago

I still don’t understand how you find so many cool tools!

Wayne- I have a question for you concerning 78s. I have a newer Stanley 78. The fence is not square to the sole and thus it makes a tapered rabbet cut! Any ideas on how to remedy this? I did try referencing the sole on a trued up (square) piece of stock, with sandpaper on the side to abrade the fence square. Well, I didn’t stick with that for long – Any other ideas?

-- Dorje (pronounced "door-jay"), Seattle, WA

View WayneC's profile

WayneC

12252 posts in 2696 days


#4 posted 2573 days ago

I was thinking getting square cuts was a matter of technique. The more I use it the better I get. But the link above indicates blade setting plays a big role in getting a square cut. I’m not sure if you had time to read it, but it is pretty interesting.

-- We must guard our enthusiasm as we would our life - James Krenov

View Dorje's profile

Dorje

1763 posts in 2595 days


#5 posted 2573 days ago

I’ll check out the link -

Skill aside, the blade is razor sharp and plane is easy to use; it cuts a real clean rabbet. It’s my reference, the fence, that is out of square the exact amount of how out of square the rabbet gets cut. Sure, I could angle it to get a square(-er) cut to adjust for the fence that’s not true, but I believe that the purpose of the fence on this plane is to set the width of the rabbet and to ensure a square cut.

I’ll probably try to keep sanding til I get the fence square to the sole.

-- Dorje (pronounced "door-jay"), Seattle, WA

View WayneC's profile

WayneC

12252 posts in 2696 days


#6 posted 2573 days ago

Here is a link to a users guide for the #78. It does not address this issue, but may be of general interest. I’ll do some digging around I belive there is also some info in Michalel Dunbar’s book on the 78. I’ll take a look after dinner and post if there is some more info.

-- We must guard our enthusiasm as we would our life - James Krenov

View WayneC's profile

WayneC

12252 posts in 2696 days


#7 posted 2573 days ago

I checked Michael’s book and nothing specific about getting square results other than making sure the body of the plane (side and sole) are square. He indicates the fence is used to determine the width of the rabbet. I’m going to play around with it some more and do some additional research. Let me know if you find out anything.

-- We must guard our enthusiasm as we would our life - James Krenov

View Dorje's profile

Dorje

1763 posts in 2595 days


#8 posted 2572 days ago

Thank you Wayne for digging into this with me – I’ve asked around and I haven’t really recieved this level of interest. I really appreciate it!

The users guide link is good, but like you said, it doesn’t address what we’re talking about. I’m thinking that I may have have some info on the 78 in fairly basic, though decent, hand tool book by Peter Korn. I’ll check! Should we move this into a forum topic on the 78 or stick with what we’ve got going here?

Also, I’ll check the sole to side squareness, but I’m just so convinced that the fence is the problem. In one of the pictures in the users guide link it does show an arrow which indicates pushing the fence against the workpiece while pushing forward…

Thanks again!

-- Dorje (pronounced "door-jay"), Seattle, WA

View Dorje's profile

Dorje

1763 posts in 2595 days


#9 posted 2572 days ago

Wayne -

I checked sole to sides for square, one is dead on, the other a hair off, but it doesn’t seem to affect the wall of the rabbet that is referenced by that side (the right -I believe).

Also, in the Peter Korn book on hand tools, he states that after you get your fence and depth stop set up for the dimension you are to cut, “start planing with the fence flat against the work.” So, when I do that, I get a not so square rabbet.

Here are some photos of what I’ve described…

These are a couple shots with a little square referenced on the sole to show the how far out the fence is:

Here’s the rabbet cut when I use the fence as a reference against the side (sorry about the blur, though the silhouette tells the story:

Now taking into consideration what you stated above re: technique, I am able to correct the cut and get a square rabbet (but I really think that the fence ought to be my reference and my guide to a square finished rabbet):

-- Dorje (pronounced "door-jay"), Seattle, WA

View WayneC's profile

WayneC

12252 posts in 2696 days


#10 posted 2572 days ago

I think your on to it. I just checked mine and there is not gap at all. I don’t have time to take any photos this morning. I would think about checking the post that the fence rides on to see if it may be bent. If bent, you could order a replacement from Stanley for a few dollars I belive. If it is strait, then perhaps a mill file and some lapping with sand paper is in order.

-- We must guard our enthusiasm as we would our life - James Krenov

View Dorje's profile

Dorje

1763 posts in 2595 days


#11 posted 2572 days ago

Yes! I’ll see if I can’t rig up a jig to file the fence down first! Thanks Wayne! That should speed up the process! I did check the post on a straightedge and it does seem to be okay. I hadn’t thought of running the fence on a file yet (only sandpaper), so I think that you’ve nailed it! I’ll get this thing tuned up yet! I’m starting to visualize the jig…

-- Dorje (pronounced "door-jay"), Seattle, WA

View WildGoose's profile

WildGoose

1 post in 2540 days


#12 posted 2540 days ago

Where do you get the part that include the thumb bolts, the crew in smooth shaft and the side bracket that screws in?

View WayneC's profile

WayneC

12252 posts in 2696 days


#13 posted 2540 days ago

You can try the Stanley Parts page. The ones on this plane were original to the plane and came with it when I purchased it. Sometimes you can find spare parts on ebay.

http://www.stanleytoolparts.com/planes-rabbetplanes-12-078duplexrabbet.html

http://search.ebay.com/search/search.dll?from=R40&_trksid=m37&satitle=stanley+78&category0=

-- We must guard our enthusiasm as we would our life - James Krenov

View b2rtch's profile

b2rtch

4286 posts in 1647 days


#14 posted 1602 days ago

I have an identical plane that I bring from France with me (!!!).
The one that I have was made in England and since I am in the the USA I moved many many time and I lost the fence.
I was reading about this plane on the Internet this morning, this plane is made, without any change, since 1885.
It is said that it made a fortune for Stanley.
I wonder if the person who designed it had a share of this fortune and a medal or something.

-- Bert

View WayneC's profile

WayneC

12252 posts in 2696 days


#15 posted 1602 days ago

I would be surprised if they did. You should be able to find a replacement fence on ebay or you could order one from Stanley if you want to replace it.

-- We must guard our enthusiasm as we would our life - James Krenov

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