Boating and lanyards
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Re: Boating and lanyards
I was wondering if a cork would work, but I wasn't sure how many corks it would take. I was trying to figure out how to manage this recently when I got to try kayaking for the first time. Me and my brother kept running into fishing tackle polluting the lake and I wanted to cut some of it free and clean it up, but then I realized if I dropped my knife I wouldn't be seeing it again... Clean up will have to wait till the next time when I have a proper solution in place.
I considered tying it to my shorts, I just couldn't figure out if that could become a hazard for any reason. I always wear a shirt when I'm in the water, so maybe I could hook up a way to clip and tie it to my sleeve. Not sure if that makes more sense than tying to my shorts, for some reason it feels better in theory, but I'll have to think about it and experiment a little.
I considered tying it to my shorts, I just couldn't figure out if that could become a hazard for any reason. I always wear a shirt when I'm in the water, so maybe I could hook up a way to clip and tie it to my sleeve. Not sure if that makes more sense than tying to my shorts, for some reason it feels better in theory, but I'll have to think about it and experiment a little.
"A knifeless man is a lifeless man."
-- Old Norse proverb
-- Old Norse proverb
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Re: Boating and lanyards
That would be awesomeRazorSharp86 wrote: ↑Sun Apr 07, 2024 3:14 pmSoyderco needs to make a knife with a cork handle.
Mora and White River Knives make cork handled knives, and they float..!
Re: Boating and lanyards
I can’t believe how many people forget that I am a genius
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Re: Boating and lanyards
You could make a lanyard out of silicone tubing to get your knife to float and even add a cork to it. Use a brightly colored silicone color and use a reliable method to trap the air inside the tube. The silicone tubing can be used for all kinds of McGyver tasks while backpacking in a pinch like making a slingshot or use for a drinking straw. If combined with a cork you could use it as a rudimentary snorkel for underwater spear fishing. The cork could float the tubing to keep it above the waterline. Can come in handy too when hiding from a pissed off bear add a ceramic bead to the silicone tubing lanyard to use as an elastic actuated glass breaker.
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Re: Boating and lanyards
I’m going to try a 4 cork lanyard. Let’s see if that will keep a PAC 2 above water.
Re: Boating and lanyards
One wine bottle cork is not nearly enough to float a 3 Oz knife. Maybe about half a dozen corks would do it but then you have half a dozen wine bottle corks dangling off your knife.
Four might be enough and if you don’t mind having a four cork sized lanyard tied on, that could be your solution.
I can only imagine how much silicone tubing would be needed to float a three ounce knife. (Too much) I would guess it takes a few feet of it to float a three ounce knife. Three foot knife lanyard anyone?
Four might be enough and if you don’t mind having a four cork sized lanyard tied on, that could be your solution.
I can only imagine how much silicone tubing would be needed to float a three ounce knife. (Too much) I would guess it takes a few feet of it to float a three ounce knife. Three foot knife lanyard anyone?
- Nick
Re: Boating and lanyards
Real cork must be at least 50% air by my guess. ****! Now I need to find some corks to defend my honor. How many corks needed to float every knife model list is needed.
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Re: Boating and lanyards
The buoyant force on an object equals the weight of the fluid it displaces. In equation form, Archimedes’ principle is
F
B
=
w
fl
,
where
F
B
is the buoyant force and
w
fl
is the weight of the fluid displaced by the object.
https://pressbooks.online.ucf.edu/phy20 ... -buoyancy/
https://www.aqua-calc.com/calculate/weight-to-volume
I may need a dozen corks for my knife.
I should have looked at the formula first
F
B
=
w
fl
,
where
F
B
is the buoyant force and
w
fl
is the weight of the fluid displaced by the object.
https://pressbooks.online.ucf.edu/phy20 ... -buoyancy/
https://www.aqua-calc.com/calculate/weight-to-volume
I may need a dozen corks for my knife.
I should have looked at the formula first
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- kriezek
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Re: Boating and lanyards
I used to cat sailing and carried a knife with a marlinspike. I attached a paracord lanyard to it and tied it the drawstring on my bathing suit so that if I dropped the knife or if it came out of my pocket, it was still attached to something.
Was it the most fashionable thing in the world - who cares. I never lost my knife while sailing and having fun.
Was it the most fashionable thing in the world - who cares. I never lost my knife while sailing and having fun.
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Re: Boating and lanyards
Well I still think you are very cleverFireman wrote: ↑Mon Apr 08, 2024 2:36 pmThe buoyant force on an object equals the weight of the fluid it displaces. In equation form, Archimedes’ principle is
F
B
=
w
fl
,
where
F
B
is the buoyant force and
w
fl
is the weight of the fluid displaced by the object.
https://pressbooks.online.ucf.edu/phy20 ... -buoyancy/
https://www.aqua-calc.com/calculate/weight-to-volume
I may need a dozen corks for my knife.
I should have looked at the formula first
- Al
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Dream knives -
Chinook in Magnacut (any era)
Manix 2 XL Salt in Magnacut
A larger Rockjumper in Magnacut SE
Work: Jumpmaster 2
Home: DF2 K390 Wharncliffe/DF2 Salt H1 SE and K390 Police 4 LW SE/15V Shaman
Dream knives -
Chinook in Magnacut (any era)
Manix 2 XL Salt in Magnacut
A larger Rockjumper in Magnacut SE
Re: Boating and lanyards
It sounds like I’ll need to drink a lot of wine on the boat this year to have enough corks to float my Pac 2!
Re: Boating and lanyards
I’m on travels but I will do my tests when back home. My own Myth Busters.
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Re: Boating and lanyards
Ok, 5 corks kept my endura from sinking as did 4 champagne corks for you fancy types. Also fun fact, so did one regular size pharmacy empty medicine bottle. So, roughly one cork per ounce of knife. So a Para 3 lightweight needs 3 corks, dragonfly, 2 corks, and the ladybug needs only 1 cork. So, it’s possible to float a knife with corks, just use a real whole cork per ounce as a rule of thumb but do testing and for extra buoyancy, remove the pocket clip. So in review, if you want a boating knife, make sure it’s light and I prefer the larger champagne corks. So in my defense, I was only 1/2 crazy. Now, I want a dedicated Wharnie manbug sporting a champagne cork for boating activities
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Re: Boating and lanyards
I love this so much.
I think my boat keys and a manbug salt might each get a champagne cork float.
I think my boat keys and a manbug salt might each get a champagne cork float.
Re: Boating and lanyards
The corks weren’t doubted. We just had to figure out how many would be needed. Thanks for doing the testing.
Depending on how they’re bundled, four corks could probably be made reasonably low profile enough for use.
Fireman, did you test the buoyancy difference of real corks vs synthetic corks? Real cork can become water-logged with enough exposure to water, so I wonder how much sealing them with a cork sealer would change their buoyancy.
Depending on how they’re bundled, four corks could probably be made reasonably low profile enough for use.
Fireman, did you test the buoyancy difference of real corks vs synthetic corks? Real cork can become water-logged with enough exposure to water, so I wonder how much sealing them with a cork sealer would change their buoyancy.
- Nick
Re: Boating and lanyards
Real corks won’t take on that much water and the glued together corks have less air. I only tested real corks and champagne corks. Champagne corks I tested were half whole cork and half glued bits of cork. I would just run a paracord sheath through a champagne cork or two as needed.
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Re: Boating and lanyards
I may need to get the LC200N Catcherman as well and put a three cork lanyard on it so it is impervious to rust and sinking.
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Re: Boating and lanyards
This hits home to me since I lost a Spyderco Civilian while kayaking. I may need to make a cork handle and sheath for a Spyderco Mule. A nice comfy fat cork handle on a Mule may be the bees knees. The ceramic mule is only 2.5 OZ so it should float just with a nice cork handle.
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Re: Boating and lanyards
Thanks for doing the experiment. Good info all around.
- Surfingringo
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Re: Boating and lanyards
I’ve donated thousands of dollars of gear to the sea gods, haha. I started using these years ago and they have worked perfectly and saved both my knife and my phone (in a waterproof case) multiple times.
Lanyards are fine for “boating” IMO but when landing a big fish an open knife attached to a lanyard can be a real hazard. I have nightmares of having a 40lb Mahi Mahi doing backflips in my lap while tail wrapped in my knife/lanyard. A sharp knife on a retractable lanyard conjures up other bad images. I get those floats for a few bucks from Amazon and they work great and at the end of the day I can quick release the float while leaving the little connector hooked to the lanyard hole of the knife. Works well for me.
Lanyards are fine for “boating” IMO but when landing a big fish an open knife attached to a lanyard can be a real hazard. I have nightmares of having a 40lb Mahi Mahi doing backflips in my lap while tail wrapped in my knife/lanyard. A sharp knife on a retractable lanyard conjures up other bad images. I get those floats for a few bucks from Amazon and they work great and at the end of the day I can quick release the float while leaving the little connector hooked to the lanyard hole of the knife. Works well for me.