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Project Information

These are the third or fourth iteration of bottle openers in my projects.

These openers have rare earth magnets that allow the entire unit to clamp onto a refrigerator door like a remora and also capture the bottle caps as they fall.

They are good sellers and I'm always trying out ways to improve them while minimizing the costs for the most expensive parts (hint: magnets!)

Sized at about 9-1/2" tall and 4-3/4" wide.

This version uses a framed core. The woods for the gallery photos are:
Walnut burl w/walnut frame
bubinga w/walnut frame
Macassar ebony w/walnut frame
White oak burl w/walnut frame
Zebrawood w/canarywood frame
Some kind of European walnut w/canarywood frame

The backs are covered with shelf liner to protect the door and prevent sliding around.


Corners of the frame get a small chamfer which also allows a place of the fingernails to go when trying to wedge this off the door


I had a batch of old computer hard drives that I tore down for the nice flat magnets. Older drives usually had the better/stronger parts. These were installed to catch the caps, about 2" below the openers.
For sticking to the 'fridge door, I tried some rectangular units measuring in at 60mm (L) x 30mm (W) x 3mm (T).

I forgot to take photos, but I cut a strip of 3/4" wide 1/8" steel strap and placed two of the magnets on the strip with a piece of 12 AWG copper wire to keep them separated. North pole on one and south on the other such that when in contact with the metal in the door, a magnetic "circuit" is established. This assembly is placed high up behind the opener (on the back of course).

When opening a bottle, the torque pulls at the top and pushes at the bottom so the top magnets needs to be the strongest. For the lower magnet, I used a single 20mm x 3mm disc.

For future versions, I'll use the rectangular magnets for the cap collector as well, They run under a buck each so I'll be able to equip each board for under $5.

The openers are another issue.
I like the look of the "open-here" that can be found everywhere for cheap


but they are poorly made and worst of all, the angle is all wrong for long neck bottles (causes the precious contents to spill!), I ended up modifying some in the past to work but it's not worth the effort.

Angle before:


After modifying:


It's a crime to allow any undo spillage 8^)

Thanks for following along!

Gallery

Comments

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pretty damn fancy splint,nice work-cheers.
 

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I would never have thought of making something like this, best looking opener I've ever seen!
 

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Well, the woods you used are sweet, the rest is like some kinda high school science project. I didnt know hard-drives had magnets in them; always thought magnets shouldnt go anywhere near a computer. Hmm, learn sumfin new everyday.
 

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Pretty fancy, Splint! I like it!

There's gotta be so one makes an opener that won't pour your beer on the floor, but it's probably made in the USA and costs $37 or so.
 

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Cool project and nice selection of woods.

Not sure where you are getting the magnets, but I've ordered from K&J magnetic online before. They had good prices compared to buying one or two locally.
 

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Thanks guys!

Brian, they are what allow the head to move. As long as the magnets don't move, the data is safe 8^)

Dave, the cost for the cheap ones runs about a buck each, the ones I used run double (I'm a cheap a$$ 8^)
 

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Jim,

I'm a big fan of K&J, I have quite the stock pile for various projects but their prices are higher simply because they follow the rules and there is supposed to be royalty paid to someone. The ones I've been using are of course Chinese and who knows…. They claim to be N52, which is up their in strength, but who really can tell.
I found them on Amazon, where everything shady and iffy can be found 8^)
 

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Most kids today wouldn't know how to use one of these. Very seldom see a bottle that isn't a twist of cap. Recently I got a good laugh watching several teenagers trying to use a rotary phone. I like the idea and the craftsmanship is excellent but they would not sell here.
 

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Still Perfecting... opening beer bottle is an art worth mastering… must practice every day to ensure no relapse of the skill.

Any chance of a wedgie... no not for me… under the metal to tilt the opener forward?
 

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we shouldn't even need these anymore,the only beers i see that need em are the mexican beers,i guess they havn't mastered the screw top yet.maybe too high tech?
 

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Beautiful wood and looks to be very useful. Mel
 

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Most kids today wouldn t know how to use one of these. Very seldom see a bottle that isn t a twist of cap. Recently I got a good laugh watching several teenagers trying to use a rotary phone. I like the idea and the craftsmanship is excellent but they would not sell here.

- FestusHaagen
Depends on the beer Festus! haven't had a twist off cap beer (Budmilloors) in years, but then some would say those are not really beer 8^)

I'm with you on the rotary phone! Total confusion like when the kid saw the turntable work for the first time!
 

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Still Perfecting... opening beer bottle is an art worth mastering… must practice every day to ensure no relapse of the skill.

Any chance of a wedgie... no not for me… under the metal to tilt the opener forward?

- LittleBlackDuck
Someone has to do it! Wouldn't want another tradition to become a lost art.

I'll leave your wedgie for when the missus drags you home from the watering pond. For solving the problem of bottle openers designed by millennials, why wedge the opener (which would require some work) versus just placing the back wheels of the fridge on blocks to tilt the whole unit forward?
 

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we shouldn t even need these anymore,the only beers i see that need em are the mexican beers,i guess they havn t mastered the screw top yet.maybe too high tech?

- pottz
It's not the need Pottz, it's the tradition (and needed for the home-brew). Our eye socket was given to us by the Great Maker for the screw-off caps, counter top corners and proper openers are for the old school engineering!
 

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Beautiful wood and looks to be very useful. Mel

- mel52
Thanks Mel, these actually sell well. I'll keep a stock on hand until all us oldsters are gone and only the beer-in-a-juice-box crowd remains 8^)
 

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Ha!
Great openers and great replies.
The wood choices are beautiful and I'm still learning the hard way not to buy cheap hardware that needs to be modified. Great little project. You should check out a local brewing company and offer these to them with their brand on them.
Jon
 

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Not a bad idea Al 8^)

We are a small town (< 14,000) but have/had a brewing tradition for 100's of years. They built a new brewpub which had a sweet looking brewing setup behind a large glass wall, but then decided to outsource to a sister pub in Colorado (gasp!)

There is talk of firing up the kettles again so maybe so!
I could take the Duck up on his free puzzle offer and pop in for a visit. Whilst I draw away his attention with a bottle cork, I could pocket his laser for creating the logo…
 

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You better keep modifying them or I see a consumer lawsuit and recall in your future. A bottle opener that allows the beer to spill is by definition defective and a crime against beer. They sure are pretty though.
 

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Thanks Nathan 8^)

Not only a crime against beer, but by extension a crime against humanity! It is by most definitions liquid bread, a staple breakfast food for many peoples.
 

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Nice setting for those old openers!

Jim
 
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