please tell me how to build a DC motor ?

Question

Purpose: To design and build a DC motorized crane/ wench to lift a pile of paperclips

I must submit sketches of the design (this is so hard) ...and explain these questions:

what materials do u use and why ?
what design features will the crane have and why ?
how will the motor work ?

============Anyone can give me the answer for these cause I have no idea how to start or do it +_____+

Or you can give me the website to take a look at it

Thanks a lot for you guys time...I am really stupid in Physics...

Answer 1

Two good sites to try:

http://fly.hiwaay.net/~palmer/motor.html

http://my.execpc.com/~rhoadley/magdcmot.htm