LefterShark@lemmy.blahaj.zone to World News@lemmy.worldEnglish · 2 个月前Speedboat that flipped midair in 200 mph crash wins race on Arizona lakeapnews.comexternal-linkmessage-square55fedilinkarrow-up1217arrow-down19
arrow-up1208arrow-down1external-linkSpeedboat that flipped midair in 200 mph crash wins race on Arizona lakeapnews.comLefterShark@lemmy.blahaj.zone to World News@lemmy.worldEnglish · 2 个月前message-square55fedilink
minus-squareIninewCrow@lemmy.calinkfedilinkEnglisharrow-up5arrow-down4·2 个月前I guess these guys have never heard of ground effect or air compressing at high speed. I’m guessing none of them want to admit to these effects if you want to keep a propeller in the water the whole time.
minus-squareUndearius@lemmy.calinkfedilinkEnglisharrow-up14·2 个月前Those effects are key to the design of these boats. They’re essentially a wing. Water has a lot more drag than air, so the more the boat is out of the water, the faster it can go.
minus-squareBuddahriffic@lemmy.worldlinkfedilinkEnglisharrow-up3·2 个月前Though it makes me wonder why they don’t use actual wings to maintain control over the boat when it goes too far out of the water. Why isn’t the ideal basically a plane that has a propeller sticking down into the water?
I guess these guys have never heard of ground effect or air compressing at high speed.
I’m guessing none of them want to admit to these effects if you want to keep a propeller in the water the whole time.
Those effects are key to the design of these boats. They’re essentially a wing.
Water has a lot more drag than air, so the more the boat is out of the water, the faster it can go.
Though it makes me wonder why they don’t use actual wings to maintain control over the boat when it goes too far out of the water. Why isn’t the ideal basically a plane that has a propeller sticking down into the water?