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  • Some things just don't go together--

    有些事情就是不在一起...

  • oil and water, gas and matches, tequila and fireworks.

    油和水,煤氣和火柴,龍舌蘭酒和煙花。

  • So you can imagine my concern when

    所以你可以想象我的擔憂,當

  • I heard about a combination of kayaking and surfing.

    聽說皮划艇和衝浪相結合。

  • [water waves]

    [水波]

  • Then I saw this and thought perhaps

    然後我看到這個,我想也許

  • I'm worrying about nothing.

    我什麼都不擔心

  • And then I saw this and realized I was right the first time.

    然後我看到這個,發現我第一次是對的。

  • All right.

    好吧,我知道了

  • If we're going to go treating a kayak like a surfboard,

    如果我們要去把皮划艇當成衝浪板。

  • we'd better prep on center of buoyancy and hydrodynamic drag.

    我們最好預習一下浮力中心和流體動力阻力。

  • To remain stable, a kayaker keeps the center of mass

    為了保持穩定,皮划艇要保持品質中心的穩定。

  • directly over the kayak center of buoyancy,

    直接超過皮艇的浮力中心。

  • which is in the middle of its submerged volume.

    處於其淹沒量的中央。

  • Traveling out to sea, it helps to keep the kayak perpendicular

    出海旅行,保持皮划艇的垂直度是有幫助的。

  • to the waves, because turning sideways

    對波浪,因為側身

  • can mean more hydrodynamic drag and a salty roll.

    可能意味著更多的流體動力阻力和鹹味的滾動。

  • When catching a wave, you must ensure the nose doesn't dig

    當趕上一個浪頭時,你必須確保鼻子不被挖走

  • into the water, otherwise the resulting

    入水,否則產生的

  • increase in hydrodynamic drag could produce a turning effect.

    水力阻力的增加會產生轉彎效應。

  • Waves can travel hundreds of miles,

    波浪可以傳播數百英里。

  • relentlessly building speed and power before smashing

    不停地加快速度和力量,然後再擊碎。

  • into your kayak, but we should be OK-- providing

    到你的皮划艇,但我們應該是確定的 - 提供。

  • we remember the rules.

    我們記住了規則。

  • [noise]

    [噪音]

  • Hold on a minute, should we be perpendicular to the wave

    等一下,我們要不要垂直於波浪?

  • or parallel to it?

    還是與之平行?

  • [music playing]

    [音樂播放]

  • Yes, it was perpendicular.

    是的,它是垂直的。

  • By hitting the wave almost parallel

    通過撞擊幾乎平行的波浪

  • he presents a large surface area,

    他呈現出很大的表面積。

  • which leads to enough hydrodynamic drag

    導致足夠的水動力阻力

  • to flip the kayak.

    翻轉皮划艇。

  • [music playing]

    [音樂播放]

  • We are out and ready to catch a wave.

    我們已經出來了,準備好迎接一波。

  • I'm videoing this just in case things don't go well.

    我正在錄像,以防事情不順利。

  • That's a little negative.

    這就有點消極了。

  • Confident, confident.

    自信,自信。

  • [noise]

    [噪音]

  • But well-founded.

    但有理有據。

  • Good start, but here the nose digs in slows down

    良好的開端,但這裡的鼻子挖進慢了下來。

  • and our friends enjoy the benefits of the turning effect.

    和我們的朋友們享受到了轉折效果的好處。

  • Now these guys have got it nice and perpendicular,

    現在,這些傢伙已經得到了它很好的和垂直的。

  • minimal drag.

    最小的阻力。

  • Like a knife through salty butter.

    就像一把刀穿過鹹黃油。

  • [music playing]

    [音樂播放]

  • NARRATOR: Maybe it's safer to avoid all that nasty drag

    也許避開那些討厭的拖累會更安全些

  • and head out of the surf to calm open sea.

    並走出海浪到平靜的公海。

  • There it is.

    在那裡,它是。

  • There it is.

    在那裡,它是。

  • NARRATOR: Oh, look-- a delightful little fish.

    哦,看,一條可愛的小魚。

  • [music playing]

    [音樂播放]

Some things just don't go together--

有些事情就是不在一起...

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