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Lever cap conversion on Corsair smoother- from cam lever type to screw

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Forum topic by TraditionallySpeakin posted 01-24-2020 02:35 AM 381 views 0 times favorited 16 replies Add to Favorites Watch
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TraditionallySpeakin

38 posts in 381 days


01-24-2020 02:35 AM

So I have a cheap Corsair smoother that I want to convert to a scrub but the cheap cam lever mechanism is such an irritant that I might just throw it down a well if I can’t find an alternative. How universal are lever caps? I much prefer the set screw type lever caps and was thinking that if I can’t find one that fits on eBay then maybe I could drill and tap a set screw in there myself.

Is anyone aware of anyone having done a conversion like this or does anyone know if there is a replacement I can buy?

Thanks!

-- “If not for Roubo, the back of the U.S. nickle would be blank.” -Roy U.


16 replies so far

View bandit571's profile

bandit571

24674 posts in 3323 days


#1 posted 01-24-2020 03:34 AM

Estes/Fulton/Dunlap names all had a Maroon( plastic coated) thumbscrew….

-- A Planer? I'M the planer, this is what I use

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Don W

19499 posts in 3207 days


#2 posted 01-24-2020 10:35 AM

Or make one. I’ve made a few.

-- http://timetestedtools.net - Collecting is an investment in the past, and the future.

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TraditionallySpeakin

38 posts in 381 days


#3 posted 01-24-2020 03:18 PM

Thanks Don, do you mean make the lever cap completely from scratch? Or just taped the existing one for a set screw?


Or make one. I ve made a few.

- Don W


-- “If not for Roubo, the back of the U.S. nickle would be blank.” -Roy U.

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TraditionallySpeakin

38 posts in 381 days


#4 posted 01-24-2020 03:19 PM

Thanks. Are you saying those are the lever caps that will fit this Corsair plane?


Estes/Fulton/Dunlap names all had a Maroon( plastic coated) thumbscrew….

- bandit571


-- “If not for Roubo, the back of the U.S. nickle would be blank.” -Roy U.

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JayT

6386 posts in 2851 days


#5 posted 01-24-2020 04:47 PM

I’m with Don, make one. Making a lever cap starting with steel bar stock is a pretty straight forward process. The first one I made was done with drill press, angle grinder and files (plus a threading tap, of course). It worked just fine and looked OK.

Since then, I’ve made quite a few more and improved the function and aesthetics, but for a user plane function trumps appearance every time.

-- https://www.jtplaneworks.com - In theory, there is no difference between theory and practice. In practice, there is.

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Don W

19499 posts in 3207 days


#6 posted 01-24-2020 10:16 PM

What JayT said! And if you find a piece of brass, it’s a little easier to work.with.

You could even make the first one out of wood. A.good solid piece of hardwood will work.

-- http://timetestedtools.net - Collecting is an investment in the past, and the future.

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TraditionallySpeakin

38 posts in 381 days


#7 posted 01-25-2020 02:04 AM

is there any reason that I shouldn’t just remove the lever cam and tap the one that’s one there? Yours looks great by the way.


I m with Don, make one. Making a lever cap starting with steel bar stock is a pretty straight forward process. The first one I made was done with drill press, angle grinder and files (plus a threading tap, of course). It worked just fine and looked OK.

Since then, I ve made quite a few more and improved the function and aesthetics, but for a user plane function trumps appearance every time.

- JayT


-- “If not for Roubo, the back of the U.S. nickle would be blank.” -Roy U.

View TraditionallySpeakin's profile

TraditionallySpeakin

38 posts in 381 days


#8 posted 01-25-2020 02:05 AM

Hmm, a walnut one would be sort of cool actually and a good test run. Thanks!


What JayT said! And if you find a piece of brass, it s a little easier to work.with.

You could even make the first one out of wood. A.good solid piece of hardwood will work.

- Don W


-- “If not for Roubo, the back of the U.S. nickle would be blank.” -Roy U.

View JayT's profile

JayT

6386 posts in 2851 days


#9 posted 01-25-2020 02:33 AM


is there any reason that I shouldn’t just remove the lever cam and tap the one that’s one there? Yours looks great by the way.

- TraditionallySpeakin

Main reason I can think of is that you want the screw to put pressure where the cam is currently at. If you tap the current cap, you’ll have to do it lower down and that might not be the best place. You’ll have to look at your cap against the chip breaker and blade set up to see if it would work or not.

-- https://www.jtplaneworks.com - In theory, there is no difference between theory and practice. In practice, there is.

View sansoo22's profile

sansoo22

625 posts in 294 days


#10 posted 01-25-2020 03:11 AM

From my understanding the cam puts pressure directly on the disc of the lateral adjuster providing friction and allowing the lateral adjuster to do its thing.

If you look at a random google image of an old Dunlap like Bandit mentioned you can see the thumb screw applies pressure to the same location

Tapping lower may work. I mean if you’re ready to throw it down a well already may as well give it a shot and see what happens. If it doesnt work you still have options. Find, make, or go with original plan and throw down well.

View bandit571's profile

bandit571

24674 posts in 3323 days


#11 posted 01-25-2020 03:14 AM

I have a Corsair C-5 Jack plane, using it as a scrub plane. It has just an old spare Stanley 2” wide lever cap….works just fine.

-- A Planer? I'M the planer, this is what I use

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TraditionallySpeakin

38 posts in 381 days


#12 posted 01-25-2020 04:44 PM

Good to know that if I screw this cap up that I can just swap it for another. Thanks!


I have a Corsair C-5 Jack plane, using it as a scrub plane. It has just an old spare Stanley 2” wide lever cap….works just fine.

- bandit571


-- “If not for Roubo, the back of the U.S. nickle would be blank.” -Roy U.

View TraditionallySpeakin's profile

TraditionallySpeakin

38 posts in 381 days


#13 posted 01-25-2020 04:44 PM

Okay, I’ll see if there is any way to tap it right where it is currently applying pressure.

is there any reason that I shouldn’t just remove the lever cam and tap the one that’s one there? Yours looks great by the way.

- TraditionallySpeakin

Main reason I can think of is that you want the screw to put pressure where the cam is currently at. If you tap the current cap, you ll have to do it lower down and that might not be the best place. You ll have to look at your cap against the chip breaker and blade set up to see if it would work or not.

- JayT


-- “If not for Roubo, the back of the U.S. nickle would be blank.” -Roy U.

View TraditionallySpeakin's profile

TraditionallySpeakin

38 posts in 381 days


#14 posted 01-25-2020 04:46 PM


Tapping lower may work. I mean if you re ready to throw it down a well already may as well give it a shot and see what happens. If it doesnt work you still have options. Find, make, or go with original plan and throw down well.

- sansoo22

Good point!

-- “If not for Roubo, the back of the U.S. nickle would be blank.” -Roy U.

View OleGrump's profile

OleGrump

522 posts in 984 days


#15 posted 02-08-2020 11:48 PM

Interesting thread here. Can’t say I’ve had an issue with it. Among the good tools inherited from my Grandfather, there was a Corsair smoothing plane that I usta HATE with a purple passion once upon a time. BUT, the reason for that was that the tote was SO damned thick, you couldn’t hold the damned thing for any length of time. Eventually, I remove the tote, traced the outline of a decent tote handle, and actually sawed a big chunk off the back of it. Then there was some shaving and rasping for a comfortable fit.
Since this “surgery”, it has actually become an enjoyable plane to use.

-- OleGrump

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