Guillotine: Eddy Current Braking, 5K20.20

Location: Floor Item Room 2237.

attachment:Guillotine-28-400.jpg

Description:

The Copper Blade of the Guillotine is released and Strong Magnets slow the blade at the end due to Eddy Current.

The Blade: The Blade 1/4" think and is 12" by 11.75" on long side and 12" by 9.75" on the short side. It is pure copper and it weight is 818.5 grams.

The Magnets: The bar of magnets are very strong and came from an very old computer hard drive. We got them for about $20 each from American Science Surplus some 15 years+ ago. They have magnetic field strength of about 4.5 Kilogauss at there surface, about 3.0 Kilogauss one quarter inch away, and 2.5 Kilogauss in the other side of the copper blade, about 3/8 of an inch for the surface. The average magnetic field strength within the 1/4 inch think copper blade is about 2.75 Kilogauss.

Equipment	Location	ID Number

Guillotine	EM Floor Item	5K20.20
Guillotine Magnets	EM, with Guillotine
Guillotine Base	EM, with Guillotine

Important Setup Notes:

Setup:

Bring in some Fruit or Vegetables(like; Carrots, Zucchini, Cucumber) to chop.
A Screw driver is needed to fasten the upper part of the Guillotine to it's Base.
Make sure the cord for the blade is untangled.
Test the Blade release.

Cautions, Warnings, or Safety Concerns:

Blade will cause bodily harm
Keep all body parts out of the way of the blade once the blade is lifted out of it's holder.
Demonstration may require practice.

Demonstration:

Insert description of demonstration, how is the demonstration preformed.

attachment:Guillotine-02-250.jpg	attachment:Guillotine-03-250.jpg	attachment:Guillotine-04-250.jpg	attachment:Guillotine-05-250.jpg
attachment:Guillotine-06-250.jpg	attachment:Guillotine-07-250.jpg	attachment:Guillotine-09-250.jpg	attachment:Guillotine-10-250.jpg
attachment:Guillotine-11-250.jpg	attachment:Guillotine-12-250.jpg	attachment:Guillotine-13-250.jpg	attachment:Guillotine-14-250.jpg
attachment:Guillotine-15-250.jpg	attachment:Guillotine-16-250.jpg	attachment:Guillotine-20-250.jpg	attachment:Guillotine-24-250.jpg
attachment:Guillotine-21-250.jpg	attachment:Guillotine-26-250.jpg		Move: attachment:Guillotine-1.wmv

References:

[http://en.wikipedia.org/wiki/Guillotine Wikipedia]

[:Instructional:Home]

-  ⇤ ← Revision 1 as of 2010-10-15 18:28:56 → 
  Size: 1819
  Editor: srnarf
  Comment:
+   ← Revision 9 as of 2010-10-20 14:46:45 → ⇥
  Size: 2841
  Editor: srnarf
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 7:
- * '''Cabinet:''' [:MechanicsCabinet:Mechanic (ME)], Waves & Sound (WS)....
 * '''Bay:''' (A? or B?) Like [:MechanicsCabinetBayA1:(A1)]
 * '''Shelf:''' #1,2,3.. (Use "T" for items that are on top of that cabinet bay)
+Floor Item Room 2237.
-Line 11:
+Line 9:
-(attachment photo showing the fully set up demonstration)
+attachment:Guillotine-28-400.jpg
-Line 15:
+Line 13:
-Insert description of apparatus, its component, what it is demonstrating.
+The Copper Blade of the Guillotine is released and Strong Magnets slow the blade at the end due to Eddy Current.

The Blade:
The Blade 1/4" think and is 12" by 11.75" on long side and 12" by 9.75" on the short side. It is pure copper and it weight is 818.5 grams. 

The Magnets:
The bar of magnets are very strong and came from an very old computer hard drive. We got them for about $20 each from American Science Surplus some 15 years+ ago. They have magnetic field strength of about 4.5 Kilogauss at there surface, about 3.0 Kilogauss one quarter inch away, and 2.5 Kilogauss in the other side of the copper blade, about 3/8 of an inch for the surface.  The average magnetic field strength within the 1/4 inch think copper blade is about 2.75 Kilogauss.
-Line 19:
+Line 23:
-||apparatus||ME, Bay B1, Shelf #2|| ||
||all other parts||ME, Bay B1, Shelf #2|| ||
||...||ME, Bay B1, Shelf #2|| ||
||Possible supplies that are needed||Rode and Tack Cabinet|| ||
||...|| In Lecture Halls|| ||
||...|| Stock Cabinet || ||
||...|| Stock Cabinet || ||
+||Guillotine||EM Floor Item||5K20.20 ||
||Guillotine Magnets||EM, with Guillotine|| ||
||Guillotine Base||EM, with Guillotine|| ||
-Line 28:
+Line 29:
- A.  '''''This demonstration requires a minimum 24 hour notice.'''''
 *  '''''This demonstration requires LN2'''''
 *  '''''Back-to-Back lectures is NOT possible; We'll do one lecture one day and the other the next day.'''''
+ A.
-Line 35:
+Line 33:
-. Make a Setup check list.
 1. ...
+. Bring in some Fruit or Vegetables(like; Carrots, Zucchini, Cucumber) to chop.
 1. A Screw driver is needed to fasten the upper part of the Guillotine to it's Base.
 1. Make sure the cord for the blade is untangled. 
 1. Test the Blade release.
 Line 39:
-. List any Warnings....
+. Blade will cause bodily harm
 1. Keep all body parts out of the way of the blade once the blade is lifted out of it's holder.
-Line 47:
+Line 48:
-||attachment other photos||attachment other photos||
||attachment other photos||attachment other photos||
+||attachment:Guillotine-02-250.jpg||attachment:Guillotine-03-250.jpg||attachment:Guillotine-04-250.jpg||attachment:Guillotine-05-250.jpg||
||attachment:Guillotine-06-250.jpg||attachment:Guillotine-07-250.jpg||attachment:Guillotine-09-250.jpg||attachment:Guillotine-10-250.jpg||
||attachment:Guillotine-11-250.jpg||attachment:Guillotine-12-250.jpg||attachment:Guillotine-13-250.jpg||attachment:Guillotine-14-250.jpg||
||attachment:Guillotine-15-250.jpg||attachment:Guillotine-16-250.jpg||attachment:Guillotine-20-250.jpg||attachment:Guillotine-24-250.jpg||
||attachment:Guillotine-21-250.jpg||attachment:Guillotine-26-250.jpg|| ||Move: attachment:Guillotine-1.wmv||
-Line 52:
+Line 58:
-. List any references
+. [http://en.wikipedia.org/wiki/Guillotine Wikipedia]

fw: Diff for "Guillotine"

Guillotine: Eddy Current Braking, 5K20.20