Talk:Darrieus Turbine - 2m combined

Development and documentation - Technical solutions -- Inddigital (talk) 19:06, 24 January 2023 (CET)

• Blades construction
  • Fiberglass Covered Ribs: Preferred option, the works are not complicated and the materials are accessible
  • Foam wire cutting: Discarded, later covered with fiberglass or other
  • With PVC pipes: Discarded, not streamlined
• Airfoil
  • AH93W215: Preferable option, justification raised in technical development file
• Generator type
  • DC motor: Low efficiency
  • Axial Flux Alternator: Preferred Option
  • Car alternator: Requires more speed or speed reducer
• Self start metthod
  • Combined Savonius: Preferred Option
  • Variable pitch: Medium complexity, fully mechanical, see this link
  • Magnus Effect: Requires additional power and engines
• Mast type
  • Truss tower: Made with angles, height between 2 and 3 meters, preferable option
  • Tubular pole: It is discarded, so as not to depend on other structures or get a robust tubular, scarce in some locations

Part number 1.02 -- Xtech2020_review (talk) 19:35, 12 January 2023 (CEST)

It seems to me that this piece is somewhat critical to manufacture it in wood, this because it has some cuts and perforations that can generate stress concentrators, it may be good to evaluate its mechanical resistance and, if necessary, make it in aluminum for example

Part number C -- Xtech2020_review (talk) 19:35, 12 January 2023 (CEST)

Please, include the shape of the mold as well, it would just make an offset of the airfoil, 3 or 5 mm outwards, it is not something critical, but from this, it is easier for a manufacturer to make the mold