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Space cups.

Magnus von Thornwood

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Baron
Being the complete geek that I am I was thinking would there be a way to create a increase in the surface tension of a liquid in a glass say, so as to render it viscous enough to not slop over the edge?

Be useful on Yachts for those occasion when the Grav plates fail and you could sell them to TL-8 planets for a bundle of CrImps. :D
 
Acutally, the problem with cups is getting anything OUT in 0-G. Surface tension automatically wants the minimum surface area, so anything in the cup will stay there unless/until you move the cup; even then, the surface tension of water is QUITE impressive.
 
A Yacht?

Um, I would think if you can afford a yacht, you could afford a servant, or at least a robot, to clean any mess and refill your glass.
 
sippy cups.

Unless they have flexible compartments, no. The problem with any rigid container is getting the fluid out in 0-G.

Every sippy cup design Iv've seen except the one by evenflow relies upon gravity to feed the straw.
 
Throwing out some ideas...

An updated sippy cup:

There's an inner cup that spins, with a small weight on one side. Wrist flipping will put a spin on it. The sipper has a check valve built in, when you put your mouth to it and squeeze a little with the lips it opens up and allows the fluid to flow out, driven by the pump effect of the spinning inner cup.

More likely though is either a crushable bulb, or a container that can be given mild pressurization with a bladder between the air side and the liquid side. Frex, a small thumb actuated lever pressurizes the backside of the bladder, put your lips to the cup to open the check valve and drink.

The check valve can be a sort of reed valve, or a ball like a rabbit's water bottle, pushed with the tongue.
 
Why not just put a valve at the sip that opens when the drinker sucks on it and a plastic collapsable bag inside the cup?

Yes, there could be a high tech solution, but it would always fall to the less expensive, easier to produce low tech solution IMO


I fact, with a pre-designed container size(or sizes) you also open up the market to pre-dispensed drink bags. So you sell the cups, which are easy to pop open, and you sell replacable pre-filled inserts. Say my ship has a supply of these easily cleaned ceramic or petroChem(plastic) cups. So my ship arrives at Port Glisten and my steward goes over to one of the port venders an negociates for a month's worth of pre-filled bags of juice or nutri-water or what ever the ship crew and passengers want. It is a "drop in" piece of background for any campaign :D

Cups: Cr 2 per in the average C Class port
Refills:
1Cr........Water
2 for 3Cr.Enriched water
2Cr........Natural drinks(Juices)
3Cr........Entertainment drinks(Carbonated)
Var Cr....Alcoholic Beverages
Discounts if bought in volume(pun not intended) or by the dTon(Sold to ships in standard allotments)

Introducing: Rolie's Beverage Distributers
..Operating franchises on SPA operated highports throughout the Rhylanor Subsector
Their shop is usually located in one of the ports ship berthing and cargo handling sectors
Each location is comprised of leased facilities from the port including offices for sales and management, personnel rooms and locker rooms, a customer's lobby and seperate sales and display room(s), the warehouse(which is connected to one of the station's cargo 'move-ways' and has several cargo mover vehicles(or robots) and a lease agreement allowing for the company to berth its delivery containers as they are delivered(or to be picked up) by commercial vessels either contracted or owned by Rolie's.

Comments?

Marc
 
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I know very little about physics and such, but I thought a supper soaker worked off pressure not gravity? From http://www.answers.com/topic/water-gun
Pump-action water guns are a relatively recent addition to the water gun arsenal. The pump-action gun operates on a different principal from its predecessors. The user pumps a handle on the gun, which pressurizes air in a reservoir. When the user then operates a piston-like trigger, the pressurized air ejects water from a separate water tank, resulting in a strong stream of water that can reach as far as 50 ft (15 m).
 
I know very little about physics and such, but I thought a supper soaker worked off pressure not gravity? From http://www.answers.com/topic/water-gun

Both. Without gravity, there's no guarantee the water will actually be what enters the pipe.

To make it gravity independent, you need a "floating piston" with the air on one side and the almost incompressible water on the other.... but I've yet to see a super soaker so equipped.

I have seen one such floating piston watergun... it was on a 1940's fire apparatus, tho, and had a 500gallon resevoir with a floating piston and manual pumps to pressurize the air chamber.
 
Why not just put a valve at the sip that opens when the drinker sucks on it and a plastic collapsable bag inside the cup?

Yes, there could be a high tech solution, but it would always fall to the less expensive, easier to produce low tech solution IMO

<snip>

Comments?

Marc

So why bother with the cup? you're back to squeeze packs. Not that there's anything wrong with that, your idea just makes the cup redundant.

How about simpler still? Just swirl the liquid in your sippy cup by hand, creating your own local spin-gravity.
 
So why bother with the cup? you're back to squeeze packs. Not that there's anything wrong with that, your idea just makes the cup redundant.

How about simpler still? Just swirl the liquid in your sippy cup by hand, creating your own local spin-gravity.

Ergonomics and custome desire...
A high passage traveller wants a cup...not a squeeze pack. So you hide it inside and everyone is happy

Marc
 
So why bother with the cup? you're back to squeeze packs. Not that there's anything wrong with that, your idea just makes the cup redundant.
The cup prevents accidental squeeze, and makes a flaccid one easier to handle.

How about simpler still? Just swirl the liquid in your sippy cup by hand, creating your own local spin-gravity.
Because that has been shown by NASA and the USSR Space Agency to be impractical.

You can literally push gobbets of beverage around with your finger in 0G...
 
a flaccid one easier to handle.QUOTE]

heh heh... he said flaccid


Very good points as well! But ultimately, t will be what the market bears. So where ships want customer service or crews simply want pleasing ergonomics, it will come down to something quick and cheap that works. High tech is not needed.
Add to that the fact that you can just buy a bulk package of "Juice for a week" which can snap into a standardized cabinet in your galley...it is quick, easy, painless and inexpensive.

Take your grav cups and burn them, we have what we need thanks :D

Mind you, this also picks up the one thing that is so very rarely handled in Traveller. Storage of food stuffs!. How much of your cargo bay is detailed off for sealed pack meals and either powdered or pre-hydrated drinks? Almost all of the classic designs barely even considered human needs outside the stateroom. A galley? To often that is a "what is that" item. IMO, gallys are handled much like storage n the ISS. Unless your ship is fancy, there are in-built lockers floor and cealing into which food packs are snapped. These packs are either classed as entree, Side dich, etc.. or are ingrediant and spice packs. Or are drink mix packs that can be reconsituted with water(heated or not). So the storage is part and parcel of the walls of the galley. The fancier the ship gets, the more devoted space becomes to real cooking and the more cargo bay storage is required fo the storage of foodstuffs. Of course, the alrger ships are easy to model after real cruise vessels where you can see the massive amount of room detailed to store things like food stuffs and passenger support items. But that is only a tangental issue to this topic

Marc
 
Because that has been shown by NASA and the USSR Space Agency to be impractical.

You can literally push gobbets of beverage around with your finger in 0G...

<Woken from a semi-torpid state by being questioned, Icosahedron performs a slightly more involved thought experiment than his original one>

You're right. My bad.

<nods off again>

Can I say torpid? ;)

Mind you, this also picks up the one thing that is so very rarely handled in Traveller. Storage of food stuffs!. How much of your cargo bay is detailed off for sealed pack meals and either powdered or pre-hydrated drinks? Almost all of the classic designs barely even considered human needs outside the stateroom. A galley? To often that is a "what is that" item. IMO, gallys are handled much like storage n the ISS.
Marc

<puffs chest out>
I have galleys and storage. :)
 
Galley space... about 100L per SR for 2 weeks rations stowage; cooking systems, another 100-200L per SR.
 
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