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Appropedia talk:AT CAD Team

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Reducing manufacturing cost of designs

An article should be made describing some guidelines on how the manufacturing cost of CAD designs can be lowered. Some examples:

  • Using parts in the design that are already mass produced and that are globally or widely available reduces the cost allot. For example, ie tyres that are already manufactured for automobiles are frequently used as plant pots in permaculture designs, ...
  • Reducing the amount of material needed is also useful. Dimensioning ie metal parts to only the thickness as required for the structure's rigidity, allows to produce more parts and will thus reduce the cost.
  • ...

KVDP 08:43, 13 April 2010 (UTC)

Great suggestions - someone could start it as a stub, with these ideas. Though perhaps it's really "Appropriate technology design principles" rather than CAD design principles, since these are good ideas regardless of design technique.
Note Principles of design - these should link together. --Chriswaterguy 10:21, 14 April 2010 (UTC)

AT Aircraft

Reflecting on the Aircraft article created a while ago by Emesee, I was reminded of the one of my earlier ideas that aircraft could be used as a transport vehicle between AT villages. I envisioned simple, inexpensive DIY ultralight aircraft for this. However, seeing the little wing span, I think that this design could be well improved. I was thinking of using a cross-over between the Tokyo Institute of Technology Oxyride manned airplane project, the Solar Challenger and the NASA ARES aircraft. See , (note the tail design), By maximizing the wingspan, and by using simple components/design, we can design a more cost/effective aircraft for this purpose. KVDP 16:24, 15 April 2010 (UTC)