Production _ Weight

Now that the boxes have been made the senses can be added I started off with weight. Weight refers to the amount of CO2 in each city.

During my time at the 3D workshop, I discussed the possible ways of added weight to the box that could not make a sound. It was suggested that I use cement, sandbags or wood. However, I was unsure whether these were the best ways of applying weight as there would be no way in which changing the measurements later on.

After talking to my peers it was suggested that I use clay or material that could be easily manipulated if problems did arise. I went with this suggestion.

To the boxes I applied sealant to stop the boxes from coming apart.

First I gathered the amount of CO2 in each city

  • London: 44.6 million tonnes
  • Tokyo: 59 million tonnes
  • India: 64.4 million tonnes
  • Adis Ababa: 0.119 million tonnes

I have decided not to add a weight to Addis Ababa due to it being a very small amount.

I weight all four boxes without the clay:

  • London: 450g
  • Tokyo: 770g
  • New Delhi: 1.8kg
  • Addis Ababa: n/a

Using the ratio: 1kg = 20 tonnes, I got the overall weight that should be added to the box from the CO2 data

  • London: 1.1 kg
  • Tokyo: 1.5 kg
  • India: 3.1 kg
  • Addis Ababa: n/a

From here I subtracted the overall weight of the box to the amount of clay that should be added

  • London: 650g
  • Tokyo: 730g
  • India: 1.8kg -1.2kg
  • Addis Ababa: n/a

Total amount of clay: 2.6kg

I got the total amount of modelling clay, weighed them and glued it to the box.

Overall this was very successful and worked well. I was able to apply the weight accurately.

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