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video of new tanker being launched using air filled rollers

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The rollers appear to have pressure safety valves, which can be seen discharging as the ship rolls into the water, but one of them certainly burst in the water!


Just a small correction - this is a dry cargo ship; not a tanker!



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Sorry about the misnomer. I know very little about modern ships. I thought the video was interesting because when I lived in southeast Alaska we had commercially made rubber rollers to haul out our small boats when we went beachcombing. Tide would go out and leave us stranded if we didn't have the rollers. One also had to be very careful to avoid barnacles and stuff that would puncture your rollers.  I agree ,it appeared that one of the rollers burst as it went into the water. I got this video from a friend who still lives in Sitka.

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