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Mar 31, 2019 at 17:09 comment added jamesqf @Chuck Ramirez: There are quite large birds - geese, cranes, swans, &c - that do flap their wings to fly long distances. But they don't need to flap really fast. It's a matter of scale: their wings are larger, so they move more air with each stroke. So the dragon would need a lot of power to move its large wings, even though those wings are flapping relatively slowly.
S Mar 30, 2019 at 18:41 history edited Mephistopheles CC BY-SA 4.0
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Mar 30, 2019 at 18:38 review Suggested edits
S Mar 30, 2019 at 18:41
Mar 30, 2019 at 17:50 comment added Mephistopheles @ChuckRamirez ...and had ~50 kg of anaerobic flight muscle, soley for climb out.
Mar 30, 2019 at 17:44 comment added Chuck Ramirez @Mephistopheles large birds take-off using their legs but strong legs are dead weight once airborne. Apparently pterosaurus used their forelimbs both to take-off and fly.
Mar 30, 2019 at 15:17 comment added Mephistopheles @ChuckRamirez Flapping frequency continues to decline with increasing mass and wingspan. Dragons also need a way to get high enough to be able to effectively glide.
Mar 30, 2019 at 14:43 comment added Chuck Ramirez Why do you need your dragons to flap their wings at high frequencies? Large flying creatures usually use their wings for gliding, which is energetically efficient. Only hummingbirds and insects need to flap their wings fast because they need to remain stationary in the air to get their food from flowers.
Mar 30, 2019 at 13:17 answer added Willk timeline score: 4
Mar 30, 2019 at 12:55 history edited The Square-Cube Law CC BY-SA 4.0
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Mar 30, 2019 at 12:53 comment added AlexP Not only longer lever; also much greater area, which needs to move a lot more air...
Mar 30, 2019 at 12:36 history asked Mephistopheles CC BY-SA 4.0