measuring spoons
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- Vectric Apprentice
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measuring spoons
I'm gonna try to make a set of measuring spoons....
Actually, it;s gonna be one spoon.
A tablespoon on one end and a teaspoon
on the other
modeling the spoon in Aspire I think I can do that
but determining the right measurements for the size spoon
that's my hold up....anyone got some ideas or know of a source
for this information.....
Actually, it;s gonna be one spoon.
A tablespoon on one end and a teaspoon
on the other
modeling the spoon in Aspire I think I can do that
but determining the right measurements for the size spoon
that's my hold up....anyone got some ideas or know of a source
for this information.....
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- Vectric Craftsman
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Re: measuring spoons
1.0 teaspoon = 4.92892 ml - call it 5 ml 5x2 =10ml > 10ml=10cm cubed
1.0 tablespoon= 14.78676ml - call it 15 ml 15x2 =30ml > 30 ml = 30 cm cubed
The easiest way is calculate the dimensions for the volume of a sphere equal to twice the value for the teaspoon and the tablespoon. Cut the sphere in half and model the half sphere as a spoon for each end. For a know Volume of a sphere the radius and circumference can be extrapolated and that will give you the inside diameter of your spoon. now all that is left is to determine the wall thickness of the spoon and the handle dimensions
r = radius
V = volume
A = surface area
C = circumference
π = pi = 3.14159
√ = square root
30cm cubed
r = 1.927573210407 cm
V = 30 cm3
A = 46.690833590178 cm2
C = 12.111299674143 cm
-----------------------------------
10cm cubed
r = 1.336504617572 cm
V = 10 cm3
A = 22.446611560909 cm2
C = 8.3975061761059 cm
You can work of the math from the following formula "Volume of a sphere = (4/3) r3 "
or you can use the calculator at the link below
http://www.calculatorsoup.com/calculato ... sphere.php
You owe me a picture when you are done.
I am sure there are other ways to work this out and derive a shape other than a sphere, LOL, but not by me.
Pete
1.0 tablespoon= 14.78676ml - call it 15 ml 15x2 =30ml > 30 ml = 30 cm cubed
The easiest way is calculate the dimensions for the volume of a sphere equal to twice the value for the teaspoon and the tablespoon. Cut the sphere in half and model the half sphere as a spoon for each end. For a know Volume of a sphere the radius and circumference can be extrapolated and that will give you the inside diameter of your spoon. now all that is left is to determine the wall thickness of the spoon and the handle dimensions
r = radius
V = volume
A = surface area
C = circumference
π = pi = 3.14159
√ = square root
30cm cubed
r = 1.927573210407 cm
V = 30 cm3
A = 46.690833590178 cm2
C = 12.111299674143 cm
-----------------------------------
10cm cubed
r = 1.336504617572 cm
V = 10 cm3
A = 22.446611560909 cm2
C = 8.3975061761059 cm
You can work of the math from the following formula "Volume of a sphere = (4/3) r3 "
or you can use the calculator at the link below
http://www.calculatorsoup.com/calculato ... sphere.php
You owe me a picture when you are done.
I am sure there are other ways to work this out and derive a shape other than a sphere, LOL, but not by me.
Pete
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Re: measuring spoons
Pete thanks I knew this was gonna involve some geometry
I'm gonna study on this
yes, I owe you a picture
tony
I'm gonna study on this
yes, I owe you a picture
tony
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Re: measuring spoons
You could create a model that has the shape you want, cut it into HDPE (or anything else) and measure how much water it takes to fill it. You can estimate 20 drops per ml, or weigh it to be more precise. Scale the depth of the model to give the volume you want, and recut. It probably wouldn't take more than two test runs.
Paul Rowntree
WarpDriver, StandingWave, Topo and gadgets available at PaulRowntree.weebly.com
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Re: measuring spoons
That is easier and allows for odd shapes.
I have not many folk that know 1 ml=20 drops - cudos to you Paul
I have not many folk that know 1 ml=20 drops - cudos to you Paul
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Re: measuring spoons
actually I had consider make a good educate test run
and then measure to see how close I was and then
proceed with consecutive trials until I got the right size
20 drops thanks, didnt know that
it is not the first time I had to figure it out this way
matter of fact this generally the way I end up with
the project I want....going the hard way
but, I am thankful
and then measure to see how close I was and then
proceed with consecutive trials until I got the right size
20 drops thanks, didnt know that
it is not the first time I had to figure it out this way
matter of fact this generally the way I end up with
the project I want....going the hard way
but, I am thankful
- ssflyer
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Re: measuring spoons
Actually, if you want it to look more like a spoon, you may want to search for "Ellipsoid Volume Calculator" - then it won't be a spherical shape...
Ron Sloan
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Re: measuring spoons
Finally, I get to paraphrase one of my favourite lines from Monty Python's Holy Grail : "You have to know these things when your a chemist".trparker wrote: 20 drops thanks, didnt know that
Sadly, I think that it is knowing these things keeps us from getting invited out much ...
Paul Rowntree
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Re: measuring spoons
In my Mothers kitchen, are several examples of measuring spoons, most are half spheres. A few months ago I was cooking with her and we started discussing the measuring spoons and upon testing, all the spoons held different amounts. So I have gone back to using what ever spoon is in the drawer, its good enough.
You had the right idea to begin with just get it close. You are not making them for a chemist, they are for a cook.
Paul if you are ever on the American side by Port Huron MI give me a call we can have dinner.
You had the right idea to begin with just get it close. You are not making them for a chemist, they are for a cook.
Paul if you are ever on the American side by Port Huron MI give me a call we can have dinner.
Will Williamson willmade.com
Williamson Lumber & Millwork Inc.
Capac, Michigan
Williamson Lumber & Millwork Inc.
Capac, Michigan
- Adrian
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Re: measuring spoons
You guys don't have Heston Blumenthal on the telly over there then?Will Williamson wrote: You had the right idea to begin with just get it close. You are not making them for a chemist, they are for a cook.
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Re: measuring spoons
yep, I like the sound of that
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Re: measuring spoons
Love the dinner idea ... this summer I hope to screw up my courage to sail across. But about the chemist vs. cook thing, how can you possible bake a decent cake without getting the sugar right to the milligram, and everyone KNOWS that cooking times have to be spot on.Will Williamson wrote: You are not making them for a chemist, they are for a cook.
Paul if you are ever on the American side by Port Huron MI give me a call we can have dinner.
My egg timer is a thing of beauty ...
Paul Rowntree
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Re: measuring spoons
We do and are enjoying his programs immencely although some of them are quite goryAdrian wrote:You guys don't have Heston Blumenthal on the telly over there then?
Cheers
Wolffie
Cheers
Wolffie
Whatshammacallit
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Re: measuring spoons
You could also use Ctrl+Shift+Alt+V but don't tell anyone ...
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Re: measuring spoons
Haha Brian that is just awesome. I do not make molds or castings
but that would just work out wonderful for those that do make them.
It is also a great way to get a pretty close guess of the weight of
the material removed from a project. Hmmmmm The things we can
learn if we just pay attention.
Another good piece of information along with the 20 drops per ml. Thanks
but that would just work out wonderful for those that do make them.
It is also a great way to get a pretty close guess of the weight of
the material removed from a project. Hmmmmm The things we can
learn if we just pay attention.
Another good piece of information along with the 20 drops per ml. Thanks