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Hybrids as drilling equipment

Post questions and info about hybrid (compressed gas with fuel) powered cannons here. This includes discussion about fuels, ratios, ignition systems, build types, safety, and anything else relevant.
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Re: Hybrids as drilling equipment

Unread postAuthor: hectmarr » Wed Mar 27, 2019 9:53 am

I suppose it is safer to handle this technology than to have the ship crammed with conventional military explosives. If you have a problem, you eject gas out of the boat quickly :D
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Re: Hybrids as drilling equipment

Unread postAuthor: Potato Demon » Wed Mar 27, 2019 12:13 pm

Pretty much :p.
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Re: Hybrids as drilling equipment

Unread postAuthor: D_Hall » Thu Mar 28, 2019 6:37 pm

hectmarr wrote:I suppose it is safer to handle this technology than to have the ship crammed with conventional military explosives. If you have a problem, you eject gas out of the boat quickly :D


Its safer when you store the fuel/oxidizer separately. The moment you put them in a cartridge, you lose that safety. In fact, I'd venture to say that it's more dangerous as 1.3 gun propellants abound but I wouldn't be shocked if the light gas mixture they're talking about is 1.1 when confined as it is.
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Re: Hybrids as drilling equipment

Unread postAuthor: jackssmirkingrevenge » Fri Mar 29, 2019 3:06 am

Even stored separately there's quite an element of risk as the Japanese found out with their Type 93 "long lance" torpedo that ran on pure oxygen:

During the Battle off Samar (in the eastern Philippines) a five-inch (127 mm) shell (while in most circumstances a five-inch shell would not penetrate a cruiser's armored deck nor cause serious damage) from escort carrier USS White Plains struck the heavy cruiser Chōkai which detonated the cruiser's Type 93 torpedoes, disabling her rudder and engines; she was scuttled the next day. The same Samar engagement saw heavy cruiser Suzuya sunk by the detonation of her own Type 93 torpedoes; a bomb near-missed the starboard amidships which set off the torpedoes in the starboard tube mounts; the resultant fires propagated to other torpedoes nearby and beyond, the subsequent explosions damaging one of the boilers and the starboard engine rooms and eventually reaching the main magazines.
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