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Ed_Millis Inner circle Yuma, AZ 2292 Posts |
I've got one of the larger Starbucks double-walled cups. Suddenly I got an wild thought and wondered if this cup woild lend itself to becoming a "coffee pitcher" - like a milk pitcher that would allow you to pour a "full pitcher of milk" into a newspaper. Or is there a better method already available that would accomplish this?
Ed |
Michael Baker Eternal Order Near a river in the Midwest 11172 Posts |
I bought a handful of double wall glasses and a pitcher, all from Wal Mart. My thoughts were to do the same as you. I figured a hole or two drilled or cut in the right spot would do the trick, but kind of figured they would not be as easy to load as a standard milk pitcher. I have yet to do anything with them.
~michael baker
The Magic Company |
Ed_Millis Inner circle Yuma, AZ 2292 Posts |
I'd assume the hole(s) would have to be drilled almost to the top of the inner wall? And the initial "fill line" is to just below the hole?
Ed |
Michael Baker Eternal Order Near a river in the Midwest 11172 Posts |
Yes. The hole serves the same purpose as the upper edge of the gimmick in a normal milk pitcher. Since I have not actually done this, I'd suspect that it may take a second hole directly opposite to serve as a vent.
~michael baker
The Magic Company |
Majorhavoc New user Pittsburgh, PA 7 Posts |
If memory serves, you will need 2 small holes about 1/16" diameter, one through the inner wall at the bottom and one through the outer wall about 3/4" from the top (The location of this hole determines the fill level.). To fill, pour the liquid of your choice (Preferrably nothing which will smell bad if the cup is not completely cleaned after use. Real milk is NOT recommended.) Continue filling until liquid comes out of the outer hole. Dry the area around the hole and cover it with magicians wax or clear tape. Pour the liquid out of the cup, the load remains trapped between the walls of the glass and will remain there until the outer hole is uncovered and allows air into the chamber. As air enters the chamber. the liquid will slowly flow out of the chamber and into the cup through the hole in the bottom of the inner wall.
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Michael Baker Eternal Order Near a river in the Midwest 11172 Posts |
This is the standard configuration for the diminishing milk glass (or Ghost Bottle). But, will it allow for a realistic "pouring"?
~michael baker
The Magic Company |
Majorhavoc New user Pittsburgh, PA 7 Posts |
This is kind of difficult to describe but here goes. When you make a newspaper cone, you end up with a high point in the open end. This point is kept toward the audience. The mouth of the glass is screened by this point. The audience never sees a visible stream from the mouth of the glass. What they do see, is an inclined glass and a declining level of fluid, though for the sake of realism, you could dribble a little of the milk in full view at the very end of the pour to seal the deal.
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Michael Baker Eternal Order Near a river in the Midwest 11172 Posts |
Quote:
On 2012-08-20 17:58, Majorhavoc wrote: Oh, I understand the concept. No problem there. I was just wondering if that type glass will "pour" with the speed needed. The holes seem a bit small. Even a Brahmin Rice Bowl has a larger set of holes and those are dreadfully slow releasing the liquid. The glasses I got at Wal Mart a few years ago were cheap enough that when I run across them again (buried here somewhere), it might be worth hacking a few up to find out what works best.
~michael baker
The Magic Company |
Majorhavoc New user Pittsburgh, PA 7 Posts |
Experimentation is good. I haven't seen my glass in about 30 years and my recollection of the hole dimensions may be off a tad. The big thing is that they must not be too big, especially the inner hole. If the holes are too small, you have a long release time. Too large though and the surface tension of the liquid won't keep it in the chamber.
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Michael Baker Eternal Order Near a river in the Midwest 11172 Posts |
That's why I was thinking the configuration I mentioned might work. There is no chance of a premature leak. The liquid cannot move until the glass is tilted. Of course it's all speculation until it's proven! It would not be the first time I've miscalculated the engineering of a prop.
~michael baker
The Magic Company |
tpax Elite user Columbia, Maryland 443 Posts |
This has been done before as a "Ghost Bottle" - Ben Cohen "Coffee to go" It was a Denny and Lee exclusive. He used a Starbucks double walled glass. He was quite clever in solving the plugging the hole problems.
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Bill Hegbli Eternal Order Fort Wayne, Indiana 22797 Posts |
Interesting scenario, anyone take 15 minutes and try it yet?
Would be a change from the old "Pixie Glass", or Abbott's New version of the Pixie Glass. |
illusiontech Loyal user Las Vegas 210 Posts |
Look in the Genii Magazine with Yuki on the cover from a few months ago, Steinmeyer already has a routine for those cups. I made a set for a friend.
Vinny |
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