- #1
Tawaffles
- 8
- 0
Hi
To start off, I am a product designer by trade so I am sorry if this question is reminiscent of GCSE physics. My project needs to rotate a large but reletavly free moving shaft (about 2in diameter) with temperature. I would like to achieve around 15degrees of rotation with a heat range of around 200 degrees (60-260C). This is for a third world environment so I can't use exotic materials.
My idea is to wind a strip of material around the shaft and fit it to a stationary block. The heat will cause the material to expand, and will cause the shaft to rotate. The more windings I have around the shaft, the more rotation I can expect to achieve.
Does all of this sound plausible?
Is a material like copper the best for this purpose, or something like aluminium?
How do I work out the expansion of a metal with heat?
Thank you!
James
To start off, I am a product designer by trade so I am sorry if this question is reminiscent of GCSE physics. My project needs to rotate a large but reletavly free moving shaft (about 2in diameter) with temperature. I would like to achieve around 15degrees of rotation with a heat range of around 200 degrees (60-260C). This is for a third world environment so I can't use exotic materials.
My idea is to wind a strip of material around the shaft and fit it to a stationary block. The heat will cause the material to expand, and will cause the shaft to rotate. The more windings I have around the shaft, the more rotation I can expect to achieve.
Does all of this sound plausible?
Is a material like copper the best for this purpose, or something like aluminium?
How do I work out the expansion of a metal with heat?
Thank you!
James