One-Handed Cam Clamp - Lapstrake Version II

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Project by lasse posted 11-29-2012 07:17 PM 14371 views 41 times favorited 12 comments Add to Favorites Watch

Hi there gnarlyEric and everybody else.
I made a number of these clamps during my boatbuilding training some 37 years ago.
Funny to see how similar they are to Erics.
Mine are made of birch with a hinge and a spring compressed inside.

cheers Lasse-Sweden

12 comments so far

View MonteCristo's profile


2099 posts in 2238 days

#1 posted 11-29-2012 07:56 PM

Cool ! That is one clever clamp !

-- Dwight - "Free legal advice available - contact Dewey, Cheetam & Howe""

View jap's profile


1251 posts in 2104 days

#2 posted 11-29-2012 08:56 PM


-- Joel

View GnarlyErik's profile


311 posts in 2184 days

#3 posted 11-29-2012 09:23 PM

Having the spring makes them really handy too.

Man, thirty-seven years and you still have them! Amazing. I have a good many, mostly of oak from the early ‘eighties so that’s over thirty years. I had not thought of it that way. I guess I need to rummage around and drag out a few of those old things.

-- "Never let your dogma be run over by your karma!"

View a1Jim's profile


117159 posts in 3627 days

#4 posted 11-29-2012 09:33 PM

Another new-old Idea. Very very cool

-- wood crafting & woodworking classes

View Fishinbo's profile


11362 posts in 2226 days

#5 posted 11-29-2012 10:10 PM

Oh, that is a plush clamp!

View prez's profile


375 posts in 3461 days

#6 posted 11-29-2012 11:00 PM

I guess we’re all going to “rummage” through our stuff and find those ‘antiques’ that we made many years ago…It’s amazing how time flies!!

-- George..." I love the smell of a workshop in the morning!"

View vakman's profile


301 posts in 2453 days

#7 posted 11-30-2012 02:27 AM

Mechanically, these are so damn elegant. I wouldn’t be surprised to see new versions of this popping up on LJ, thanks for passing on the knowledge.

-- - Power is not revealed by striking hard or often, but by striking true. -

View vakman's profile


301 posts in 2453 days

#8 posted 11-30-2012 02:36 AM

Hacksaw blades could be used for the brackets it seems like, based on apparent size…

-- - Power is not revealed by striking hard or often, but by striking true. -

View Boatman53's profile


1058 posts in 2246 days

#9 posted 11-30-2012 04:50 AM

I’ve got some just like that with the cam handle, about the same vintage too. Mine use the low tech leather hinge. I might have to add some springs to mine. Very nice.

-- Jim, Long Island, NY home of the chain leg vise

View doordude's profile


1085 posts in 3033 days

#10 posted 12-01-2012 07:34 AM

interesting clamp. it looks like a prehistoric duck. doesn’t it? really, doesn’t it?

View Edwardnorton's profile


203 posts in 1977 days

#11 posted 04-01-2015 09:24 PM

Anyone know where a guy could purchase plans for this clamp?

-- EdwardNorton

View Lorenzojose's profile


1 post in 1061 days

#12 posted 12-31-2015 07:38 AM

From The woodenboat thread;

In “Planking and Fastening” in The WoodenBoat Series, ISBN: 9780937822418, chapter 24 “The Brenne Clamp”, is about making this kind of clamp, complete with dimensioned drawing. All together, there are five chapters about clamps and their making and use.

A fellow listed a link the woodenboat series.

There’s also an old woodenboat mag that has them, but without the spring, which is a great idea. I’d look it up, but I’m out of town. I also built a half dozen years ago.

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