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Using piano wire to cut chocolate ls1mike 04-02-2007
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Posted by on April 2, 2007, 4:45 pm


Traditionally, I buy a ten lb bar of chocolate for Easter. Half goes
to the kids. The other half goes in my desk drawer at work (plus half
of what I gave the kids because they're not nearly as passionate as I
am for chocolate, but that's another story).

Cutting this bar is never fun. I've thought about making a chocolate
cutter out of a piano wire or maybe a guitar string - sort of like the
big cheese cutters they use at the cheese store that I frequent. If I
could heat the wire, it would make the job much easier. Is there a
safe way to electrically heat such a wire sufficiently to cut
chocolate? What sort of low-voltage circuit could I use for this? Or
is this idea completely off the wall?


AppliancePartsPros.com, Inc.
Posted by Grandpa on April 2, 2007, 4:56 pm


ls1mike@gmail.com wrote:
> Traditionally, I buy a ten lb bar of chocolate for Easter. Half goes
> to the kids. The other half goes in my desk drawer at work (plus half
> of what I gave the kids because they're not nearly as passionate as I
> am for chocolate, but that's another story).
>
> Cutting this bar is never fun. I've thought about making a chocolate
> cutter out of a piano wire or maybe a guitar string - sort of like the
> big cheese cutters they use at the cheese store that I frequent. If I
> could heat the wire, it would make the job much easier. Is there a
> safe way to electrically heat such a wire sufficiently to cut
> chocolate? What sort of low-voltage circuit could I use for this? Or
> is this idea completely off the wall?
>
Clever idea, but piano wire or a guitar string won't have enough
resistance to heat up when you apply a current. You want something
like nichrome wire which is used in styrofoam cutters. Check eBay.
There are some which will run on 2 "D" batteries.

--
Grandpa

Posted by Jeff Wisnia on April 2, 2007, 5:09 am


Grandpa wrote:

> ls1mike@gmail.com wrote:
>
>> Traditionally, I buy a ten lb bar of chocolate for Easter. Half goes
>> to the kids. The other half goes in my desk drawer at work (plus half
>> of what I gave the kids because they're not nearly as passionate as I
>> am for chocolate, but that's another story).
>>
>> Cutting this bar is never fun. I've thought about making a chocolate
>> cutter out of a piano wire or maybe a guitar string - sort of like the
>> big cheese cutters they use at the cheese store that I frequent. If I
>> could heat the wire, it would make the job much easier. Is there a
>> safe way to electrically heat such a wire sufficiently to cut
>> chocolate? What sort of low-voltage circuit could I use for this? Or
>> is this idea completely off the wall?
>>
> Clever idea, but piano wire or a guitar string won't have enough
> resistance to heat up when you apply a current. You want something
> like nichrome wire which is used in styrofoam cutters. Check eBay.
> There are some which will run on 2 "D" batteries.
>

Or spring for one of the first item pictured on this page. It comes with
several knife blade tips which should make short work of your job.

(Click on the small picture to enlarge and see what the blades look like.)

Jeff

--
Jeffry Wisnia
(W1BSV + Brass Rat '57 EE)
The speed of light is 1.8*10^12 furlongs per fortnight.


Posted by GROVER on April 3, 2007, 1:14 pm


> Grandpa wrote:
> > ls1m...@gmail.com wrote:
>
> >> Traditionally, I buy a ten lb bar of chocolate for Easter. Half goes
> >> to the kids. The other half goes in my desk drawer at work (plus half
> >> of what I gave the kids because they're not nearly as passionate as I
> >> am for chocolate, but that's another story).
>
> >> Cutting this bar is never fun. I've thought about making a chocolate
> >> cutter out of a piano wire or maybe a guitar string - sort of like the
> >> big cheese cutters they use at the cheese store that I frequent. If I
> >> could heat the wire, it would make the job much easier. Is there a
> >> safe way to electrically heat such a wire sufficiently to cut
> >> chocolate? What sort of low-voltage circuit could I use for this? Or
> >> is this idea completely off the wall?
>
> > Clever idea, but piano wire or a guitar string won't have enough
> > resistance to heat up when you apply a current. You want something
> > like nichrome wire which is used in styrofoam cutters. Check eBay.
> > There are some which will run on 2 "D" batteries.
>
> Or spring for one of the first item pictured on this page. It comes with
> several knife blade tips which should make short work of your job.
>
> (Click on the small picture to enlarge and see what the blades look like.)
>
> Jeff
>
> --
> Jeffry Wisnia
> (W1BSV + Brass Rat '57 EE)
> The speed of light is 1.8*10^12 furlongs per fortnight.- Hide quoted text -
>
> - Show quoted text -

Jeff,
How many fathoms per fortnight would that be?
Joe G


Posted by Charles Schuler on April 2, 2007, 5:05 pm




> Cutting this bar is never fun. I've thought about making a chocolate
> cutter out of a piano wire or maybe a guitar string - sort of like the
> big cheese cutters they use at the cheese store that I frequent. If I
> could heat the wire, it would make the job much easier. Is there a
> safe way to electrically heat such a wire sufficiently to cut
> chocolate? What sort of low-voltage circuit could I use for this? Or
> is this idea completely off the wall?

Don't make this into a project, unless you are bored. Simply heat a knife
over your stove and then slice the bar.



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