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delichon • yesterday at 9:39 PM • 1 reply • view on HN

For small items, add drones and the last miles savings get big.

  Weight of a typical car: 4,000 lbs. 
  Weight of a typical delivery drone: 80 lbs. 
  Typical drone payload: 5 lbs.
  5 mile drone delivery: ~2 kWh
  5 mile car delivery: ~100 kWh
So the breakeven is ~50 such items in one order.

Replies

mciancia • yesterday at 9:47 PM

Lol, where did you get those numbers from? xD

Tesla uses something like 15kWh per 100km, so 5 mile drive is something like 1.1kWh

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