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Building a wooden shoulder plane #1: First you gotta do some thinking...and find iron

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Blog entry by Div posted 1166 days ago 5889 reads 33 times favorited 23 comments Add to Favorites Watch
no previous part Part 1 of Building a wooden shoulder plane series Part 2: About body parts and even a mouth... »

During the recent posting by Bertha on the hand planes of our dreams, the issue of wooden shoulder planes came up. I had some requests and PM’s to blog on the making of a wooden shoulder plane so I will give it my best shot. Be warned, I work in the metric system so measurements are in millimeters. For those who use King George’s thumb to measure, dividing by 25.4 will at least give decimal inches. I’ll gladly answer any question but have patience: No computer will survive in my dusty workshop and I spend all my days there. It means that my computer habits are such that I only sit in front of this screen at night. Throw in the time difference and my response times get pretty slow, about once every 24 hours…..but respond I will. Promise.

Just so you know where we are going, this is what we want to end up with:

As you can see, this is not a very big plane, only around 115 mm (4,5”) long. I’ve been into building smaller and smaller planes lately…

Some planning and scavenging for a plane iron.

The first thing to do is to decide on the width of the plane, or maybe the width of the plane iron will decide for us…. Since the width of the plane iron or blade will determine the width of the wooden plane body, we need to find ourselves an iron first. There are various ways to do this. If you live in the States, it can be as simple as buying the one that you want. If you don’t have much money or you live in Africa like me, that option does not exist and you need to get creative. There are a few ways to skin the cat.

1. Find an old plane iron and cut out of it what you want. If you choose to go this route, use an angle grinder fitted with a slim cutting disc. Keep the iron as cool as possible whilst cutting; do it in steps and submerge the blade often in cold water to prevent it from heating up. Too much heat will alter the properties of the steel.

2. Use an old spade drill bit. Since the round shaft needs to be flat and the same thickness as the spade part, this method requires a lot of grinding. Again, keep the steel as cool as possible during the grinding process.

3. Use old HSS jointer or planer knifes. I’ve been going this route lately with much success. A big advantage with HSS is that it can be cut and ground without concern over altering the materials properties due to excessive heat. Even if it becomes red hot, no worries! Some will say that it is too hard for a plane blade and in a way they are right. You won’t be able to hone an extremely fine edge like you can with good tool steel. But believe me, for what we want to do it is good enough. More benefits of the HSS are that it will stay sharp for much longer and the stuff is nice and thick, typically 3mm. Thick is good!
A disadvantage of using old jointer knifes is that they are never very wide; we are after all talking about worn out cutters. I’ve been making lots of small planes of late so it not a problem for me. If you don’t have worn out knifes in your shop, ask at a sharpening service or a large commercial woodworking shop.

The plane body – what wood to use.
Although Beech was traditionally much used for planes, any good hardwood will do just fine. I’ve used Maple, Paduak, Wenge, Purpleheart and some of our indigenous woods like Ironwood, Pink Ivory and Candlewood. It is best, but not critical, to have the growth rings running vertical in your plane body. This makes for a better wearing plane. You can even get fancy and add a sole of different wood, or something exotic and hardwearing like ebony or ivory. Yes, I know there is a moral issue with ivory and it’s impossible to find. Or not? Old pianos had real ivory on their keys. Keep your eyes open for a scrapped piano! I have some ivory pieces obtained that way.You can also use bone but that is a story for another time…

I leave you to go hunting for some metal and some timber….next we get down to building this thing!

-- Div @ the bottom end of Africa. "A woodworker's sharpest tool should be his mind."



23 comments so far

View Bertha's profile

Bertha

12951 posts in 1296 days


#1 posted 1166 days ago

Subscribed! I’m ordering an iron now.

-- My dad and I built a 65 chev pick up.I killed trannys in that thing for some reason-Hog

View Dennisgrosen's profile

Dennisgrosen

10850 posts in 1718 days


#2 posted 1166 days ago

great blog Div
looking forward to the toturials on this beautyfull plane :-)

take care
Dennis

View DaddyZ's profile

DaddyZ

2377 posts in 1643 days


#3 posted 1166 days ago

Excellent !!!

-- Pat - Worker of Wood, Collector of Tools, Father of one

View derosa's profile

derosa

1532 posts in 1438 days


#4 posted 1166 days ago

I’m also watching and following this, just found some old plane blades at the local junk store that’ll supply what I need and the dremel with a cutting wheel should provide the shape.

-- --Rev. Russ in NY-- A posse ad esse

View Brit's profile

Brit

5107 posts in 1445 days


#5 posted 1166 days ago

Its a thing of beauty Div. I’ll be watching closely.

-- Andy -- Old Chinese proverb say: If you think something can't be done, don't interrupt man who is doing it.

View Div's profile

Div

1653 posts in 1543 days


#6 posted 1166 days ago

Very good, very good, I have some customers! ;^) See ya all tomorrow with the next installment. Midnight here now, I’m off to do some snoring…...ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ

-- Div @ the bottom end of Africa. "A woodworker's sharpest tool should be his mind."

View grittyroots's profile

grittyroots

50 posts in 1293 days


#7 posted 1166 days ago

Thanks for the info. i’m interested in how this continues. i picked up a bunch of old wooden molding planes and i’m pretty sure these irons will work well for a project like this.

-- Gritty Roots i can build anything as long as i have 2 things the internet and my father-in-law

View docholladay's profile

docholladay

1286 posts in 1662 days


#8 posted 1166 days ago

Very good Div. I shall be following along.

Thanks,

Doc

-- Hey, woodworking ain't brain surgery. Just do something and keep trying till you get it. Doc

View Bearpie's profile

Bearpie

2584 posts in 1621 days


#9 posted 1166 days ago

I have a few old worn out metal cutting saw blades about 1/8” thick by 2” wide and 18” long. I used that to make my home made knife blades, would that work?

Erwin, Jacksonville, FL

-- Erwin, Jacksonville, FL

View BigTiny's profile

BigTiny

1664 posts in 1491 days


#10 posted 1166 days ago

Another source of decent steel is old auto leaf springs. You can often get them really cheap from a spring shop if you take their broken leaves. They’re only scrap metal to them so you can get them for scrap prices and they give you good solid steel that’s nice and thick (2 to 6 mm/1/8 to 1/4 inch) and a decent width too. Anything from 35 to 50 mm or 1 1/2 to 2 inches or more.

-- The nicer the nice, the higher the price!

View stefang's profile

stefang

12596 posts in 1937 days


#11 posted 1165 days ago

Looks great Div.

-- Mike, an American living in Norway.

View Schwieb's profile

Schwieb

1482 posts in 2064 days


#12 posted 1165 days ago

Hi Div,
I’m a customer too. I will scrounge around for something to use for an iron today.

-- Dr. Ken, Florida - Durch harte arbeit werden Träume wahr.

View mafe's profile

mafe

9456 posts in 1692 days


#13 posted 1165 days ago

Looking good.
It should be a masterclass Debbie!
I have the first parts ready.
See you Jack.
Best thoughts brother,
Mads

-- Mad F, the fanatical rhykenologist and vintage architect. Democraticwoodworking.

View mafe's profile

mafe

9456 posts in 1692 days


#14 posted 1165 days ago

What a lovely shave in the picture thank you.

-- Mad F, the fanatical rhykenologist and vintage architect. Democraticwoodworking.

View bigike's profile

bigike

4031 posts in 1891 days


#15 posted 1165 days ago

nice I wanna see how this plays out!

-- Ike, Big Daddies Woodshop, http://www.icombadaniels@yahoo.com

showing 1 through 15 of 23 comments

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