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-   -   How to build a working model on aeroshape objects. (http://classroom.all-science-fair-projects.com/forum/showthread.php?t=414)

madastrophysicist 10-22-2005 08:08 PM

How to build a working model on aeroshape objects.
 
Can anyone give me an idea to build a model which flies :confused: (miniature rocket assisted take-off systems attached to an aeroplane model) or at least any model (like burglar alarm, electric circuits of different very simple electronic gadgets etc.) ]
OR
any model related to physics

Oscar Ramirez Ch. 11-02-2005 06:47 PM

Hi.

Are you intrested in an earthquake alarm?
Is very easy to build but it will take a lot of words to explain it how.
If you are intrested, reply yes and I'll send you and image of how to build it.

Oscar

Mad Scientist 11-04-2005 06:37 PM

earthquake alarm
 
Does it comprise a very elaborate design/setup? I would love to know how to build one!

Oscar Ramirez Ch. 11-05-2005 06:31 AM

Dear Mad Scientist

Hi.

No, it does not comprise a very elaborate design/setup?

For this model you will need some home materials as aluminum paper, a plastic can, batteries and some construction materials such as wood, nails, electric wires and an alarm.

For the setup you will need mounting tape and a good spot in your house where you can assure there will be no air flow that can turn on the alarm.

It is very easy. I can upload an image and a more detailed description if you would like to.

Best regards

Oscar

mark120 11-26-2005 09:16 AM

does someone knows?
 
hey,
does someone knows how to build a simple earthquake alarm device?

Mad Scientist 11-27-2005 12:02 AM

Earthquake device
 
I'll let Oscar answer this one.

Oscar Ramirez Ch. 11-27-2005 07:03 PM

1 Attachment(s)
Dear Mark

I am very sorry that I could not answer your message promptly.

I really apologize for the inconvenience. The reason why I did not answer quickly is because I have been working on the annual report and the 2006 project deck of the business that I manage and…well it has not been easy. To much data to process and also my regular job tasks.

For the Alarm you will need:

1. Aluminum paper
2. Piece of wood: board of 5 in x 5 in. (Or bigger if you want to)
3. Two large nails
4. one small nail
5. A round wood or plastic rod
6. A ring
7. An electronic alarm (not a time alarm) or a buzzer…you can buy this item at Radio Shack.
8. Electric Wires (for small currents)
9. Batteries (if alarm does not come with batteries included)
10. 3M mounting tape
11. cotton string ( I am from Mexico and I don´t know how do you say it…sorry)
12. 3M clear tape

How to build it (See picture that I attached)

1. Tape the nails to the ring so you can mark them on the board with a pencil.
2. Remove the nails from the ring and hammer the nails at the marks in the board.
3. Hammer the small nail at the CENTER of the round rod.
4. Cover the walls of the ring with aluminum paper.
5. Cover the rod with aluminum paper.
6. Mark with a pencil the center of the straight line between the two nails.
7. Screw at the center mark a small ring that comes with a ¨screw tip¨ ( I am sorry I don´t know the name of this item, but you can find it at hardware store)
8. Attach the ¨cotton string¨to the rod´s nail
9. Hang the rod to the board ring
10. Attach the ring to the board´s nails using the clear tape. The rod must now be hanging at the center of the ring. Also, put the ring at the ¨middle¨of the rod.
NOTE: the space between the rod and the ring must be a small space so that the alarm or buzzer can be triggered at the slightest movement of the structure of the house.
11. Tape one end of an electric wire to the aluminum paper of the ring and then tape it along the nail ( don´t leave wires hanging!!!)
12. Tape one end of an electric wire to the aluminum paper of the rod and then tape it to the board.
13. Make the connections to the batteries and to the alarm. Follow the simple circuit diagram.


Mark, you will have to mount the board to the roof (inside a room near a corner and away form any wind)

Even tough I will have a lot a work for this next week, I will be aware of any message that you send in case that you have a problem.

Best Regards

Oscar

IMPORTANT
Please send me a personal message to send you to an email account the compressed image that I attached to this reply. I doubt that you can see what´s in it.

pramil.dwivedi007 08-07-2010 10:25 PM

Quote:

Originally Posted by Oscar Ramirez Ch. (Post 2121)
Hi.

Are you intrested in an earthquake alarm?
Is very easy to build but it will take a lot of words to explain it how.
If you are intrested, reply yes and I'll send you and image of how to build it.

Oscar

yes i am interested in this project


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