Blindfolded Lock picking

[Romstar]

Bear in mind the scale we are talking about. We are making a gell sac the size of a lock spring. That means everything has to be small and thin.
Romstar

Obviosuly, a breast implant is too large for what is needed. But I think the material that it's made of would be perfect. Now finding one to experiment with...that's another thing...

You can buy a breast implants. Its weird, but true.

At any rate, the material used to contain either silicone or saline in an implant isn't appropriate, because it gets a great deal of its strength from its thickness. Its just another type of silicone anyway. Additionally, silicone implants often need to be changed after 10–20 years, as the outer covering becomes weak and may start to allow the silicone to leak.

We don't have any thickness really to work with here, and if a silicone implant, can become weak in 10-20 years, what will happen to our little bag of fun the size of a spring?

Now, someone, somewhere on this forum suggested memory foam, and I am investigating that as well. We shall see what develops.

For now though, I am not considering regular silicone.

Romstar

[d_goldsmith]

I'm trying... it's just something I remembered from school. Now that I think back on it, it did get kind of brittle after a while.

I did have another thought though: How about KY Jelly? it's water based, basically liquid. I suppose that doesn't help with the skin though.

I'm thinking maybe some kind of thin plastic, possibly cellophane (think flower shops for source) molded around a jig to keep it the right diameter and glued (crazy glue or epoxy are the first things that come to mind) to make a cylinder. Fill it, then glue the end shut with a fold over or something.

Funny you think of KY right after Romstar ranting about his well indowed women...

[xxgonzoxx]

Romstar PWNED!!!!!!!

[ldnlksmth]

I'd bet that there are a hundred 'faulty' implants lying around any cosmetic surgeon's office/store room. Stuff that can't be put into a person but has other 'practical' uses.

how about taking the gel out of a knee pad (I'm thinking of the one that Canadian Tire sells that's just a little 4X6 pad you put down before you kneel). I was given a Black and Decker drill that has gel grips and it came with an extra pad on the outside of the case for demo. maybe something like that.

doesn't solve the problem of the casing, but gets the contents taken care of. and a simple 10cc insulin syringe would work for injecting the stuff into the casing while leaving a very minute hole that could easily be patched.

[maxxed]

Has anyone considered synthetic motor oil?

[ldnlksmth]

I'm a medic on the side and we use KY for a lot of things not related to devience. I once used it to get a finger unstuck when a 5 year old girl got it caught in the little holes of a velvet rope stand at a movie theatre. I was playing with a packet the other day (not in the way you're thinking) and realized that the small packets have an incredible resistance to them and are amazingly flexible, even when cold.

Still havn't come up with something for a case, but I'm working on it.

[Romstar]

Stick a packet of KY in your freezer, leave it for two days, and then take it out and see how flexible it is.

Since KY is water based, it should be frozen almost solid.

Romstar

[ldnlksmth]

we leave them in ambulances for sometimes days on end in the middle of winter. There's enough alcohol in them to keep it liquid. I'm still not convinced it's the final solution, but I think something of that consistancy would be what we're looking for here? Do you agree?

[Romstar]

You may have stumbled onto something there actually.

Now, how do we package it?

Heh, KY jelly, who woulda thought.

Romstar

[lokkju]

What you need to find is a polymer (for instance, silly putty, though it won't work in this case) that has the correct glass transition temp, and that is more affected by striking force then by temp. Take a look at this wikipedia entry to see what I amtalking about

in the simplest term, it means that the substance can easily deform/flex/etc until you hit it hard - at which point, it becomes temporarily solid. Some sort of combination rubber/polymer mix would work nicely.

One of my friends is a chemical engineering prof - I'll see if he has the time to look for a specific material suitable for this

[xxgonzoxx]

Can't package it yet! I know ontario gets cold so I'm assuming that it's pliable in below freezing weather from let's say -20F - 32F. But what about temps of 70F-120F degrees???

[ldnlksmth]

okay, I'm back from vacation with a sunburn and a fresh view.

the whole temporary solid thing would seem to be the ideal solution, but the question is how hard does it have to be hit and how long does it remain solid.
Now that I think about it... if it turns solid, wouldn't that force the bottom pin back down? I think we're looking for something more to absorb shock than anything, change the reaction time from the rest of the pins in the lock.

I'm also reasonably sure that for the size we're looking at, a liquid inside a casing won't work, I don't think we'll get a casing thin enough and strong enough to work, but some kind of molded polymer might do the trick.

[Romstar]

okay, I'm back from vacation with a sunburn and a fresh view.

the whole temporary solid thing would seem to be the ideal solution, but the question is how hard does it have to be hit and how long does it remain solid.
Now that I think about it... if it turns solid, wouldn't that force the bottom pin back down? I think we're looking for something more to absorb shock than anything, change the reaction time from the rest of the pins in the lock.

I'm also reasonably sure that for the size we're looking at, a liquid inside a casing won't work, I don't think we'll get a casing thin enough and strong enough to work, but some kind of molded polymer might do the trick.

I think you may be right about the molded polymer. I am still working on a few promising things, and I hope to have something going soon.

Romstar

[ldnlksmth]

it seems to be the only practical solution. I tried making some small pouches (I used florits' cellophane) that were pliable and easy to work with. I made the pouches, glued them together and even managed to get them filled, but it just didn't work out.

I'm envisioning a product that could be sold in a long 'stick' to locksmiths, and could be cut to length as needed, or sold in packages for specific brands.

[Romstar]

it seems to be the only practical solution. I tried making some small pouches (I used florits' cellophane) that were pliable and easy to work with. I made the pouches, glued them together and even managed to get them filled, but it just didn't work out.

I'm envisioning a product that could be sold in a long 'stick' to locksmiths, and could be cut to length as needed, or sold in packages for specific brands.

That is a nice idea. The stuff I was thinking of can't actually be made by a hobbiest in most situations. I might be able to make some prototypes, but there is no way I can out and out manufacture them.

I guess it depends on what gets worked out.

Romstar