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There is a disportionate amount of anxiety over being trapped in a submerged car, and not being able to release the seatbelt.
Here is a simple solution, and one that would be a good selling point for a car that emphasizes safety in its design and in its advertising campaigns.
A seatbelt latch
that automatically releases when it is submerged.
Further, the car could have a small knife, one designed for cutting belts, built in to the driver's door. A knife similar to the ones parachutists carry with them when they dive, so they can cut themselves free of a disfunctioning chute.
Here's the next step:
Integral_20Side_20A..._20Window_20Breaker
[normzone, May 13 2008]
sunshine skyway bridge collapse
http://www.islander...11-05/skyway-03.jpg
25 years later, still fresh in people's minds [r_kreher, May 14 2008]
Flotation airbag system
Car_20flotation_20airbag_20system
More complex, but better ? [8th of 7, May 15 2008]
ABC News
http://abcnews.go.c...y?id=3441588&page=1
Lots o' interest... [r_kreher, May 19 2008]
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Annotation:
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I think I'd rather have a larger, easier to access and use, 'belt buckle. |
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I have the opposite in my life - a buckle that comes undone when I get it wet. |
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I've lost a couple of weight belts - usually through forgetting not to sweep my spear gun but from right to left when I'm attempting to cock the gun (brace gun on thigh, reach for bands, pull hard. Get tired, sweep to other thigh to see if that's any easier, catch buckle with gun butt and WHOOPS). |
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Yes, my spear gun has a nice butt. |
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Where is the difficulty in pushing the big, red, tactile button when submerged? My contention is that if you're too flustered to manage that, you're too flustered to manage the rest of the escape. |
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Yes, but what if you have someone with you riding shotgun or in the back seat. And they are unconscious from the collision. Precious seconds... |
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Every little bit counts, though I don't see an add campaign revolving around the item, however amusing that might be. |
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Envisions a sort of pied piper, leading all the brands of cars into the ocean, and moments later only one individual coming up for air with said brand's keys held victoriously high as waning bubbles bubble all around her. |
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Well, I wouldn't build a whole campaign around it. More like a throw-away line for the car salesman. "Oh, and by the way, those earth-tone color-coordinated seatbelts? They come unlatched if the car is ever submerged. Yep!! Those engineers at (car company here) are constantly pushing the safety enelope." |
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"In the early milleseconds of the accident's beginning, his soft drink spilled onto the seatbelt buckle. What would have been a survivable accident turned tragic." |
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I must have forgotten to mention that there are built-in, highly sensitive sensors, and the unlatch mechanism will not function in the presence of coffee, soft drinks, liquor, or tea. Or milk. Or pee. |
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/Yes, but what if you have someone with you riding shotgun or in the back seat. And they are unconscious from the collision. Precious seconds.../ |
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How does it detect submersion? |
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I sadly had to eliminate hydrooptical acoustics, as too complicated and not cost effective. Now I am leaning more towards a simpler electro magnet concept. |
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There are already immersion detectors on self-inflating life jackets. They don't blow up your vest when you catch some wave spray or get rained on. Nothing new needs inventing in that department. |
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(+) Although I think I would rather have airbags "surounding" the car that inflate when the car submerges. |
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Boned for catering to people's ridiculous fears about things that will seriously never happen. |
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"Drowned in a car" Google 404,000 hits |
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[Voice], you should definitely check out the anno next to the one above yours. It helps the issue that [normzone] brings up. |
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[+mw+], really? Paying attention to obscure dangers isn't quite as obscure as the dangers themselves. I gotta hand it to you, it's a black heart that makes fear look funny. |
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[+] although this deserves a half-bun idea for me. A full bun would be a Seatbelt Automatic Aqua- and Pyro-Release... |
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[+mw+], most of the safety equipment we take for granted came from somebody planning for a long odds problem. |
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That doesn't mean we worry about it, even if it never happens. |
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Shoes were probably invented by somebody who was afraid of thorns, back when everyone's feet were fully calloused. But I'll bet you wear them. |
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Oh, [normzone], don't be annoyed with the appropriate remarks of [+mw+]. He is right in a class of his own - +mw+ means *minke whale* !!! |
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Some who like croissants and fishbones are amphibians too! |
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irrational fear or legitimate concern. It depends on where you are from. Granted, someone inland who sees a lake or a river a couple of times a week would not be terribly interested. But if you were from, say, Florida, where you are constantly driving along canals, over causeways and bridges, and along the hundreds of miles of the Alligator Alley, getting trapped in a submerging car starts to take on new meaning. Or how about New Orleans? Or anywhere along the Gulf Coast. Or any coast for that matter. |
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Or the netherlands, people here die because electrical systems fail if a car is in the water so government people are trying to make it a law that every car should have a hammer to break windows. It's like they have read [normzone]'s link above. |
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So a hammer with a retractable knife in the hilt would be good. |
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//He is in a class of his own// |
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With all due respect [rotary]. That was funny. |
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I'd rather have an explosive device to open the door. |
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upon submersion, the seatbelt unlatches, and the engine compartment, the trunk, and the passenger compartment all fill with styrofoam, which will keep the car afloat for a short period of time. |
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... fire retardant styrofoam operable by impact (like airbags) or an emergency switch in the passenger compartment. |
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Or a pressurized ping-pong ball tank under the back seat, with a valve specially designed to fill the cabin with thousands of ping-pong balls should the vehicle become entirely submerged in custard. |
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Always pushing the safety antelope. |
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roasted antelope and ping pong custard. yummy!!! safety be danged. let's eat! |
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Breathing air canister in the steering wheel. |
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So now there is actually talk in the netherlands about making airbags outside the car, on the windshield. To protect cyclists. |
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[+]In addition to the water the seatbelts should also be able to auto-release in a collision a couple of seconds after the airbag has been deployed (provided that the car is upright after the impact). I have not witnessed many accidents but I would imagine that during an accident, the worst of the situation is over after the airbag comes out. |
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If a vehicle is going into water, the critical thing is to either (1) get a door or window open enough for egress before the vehicle is completely flooded [this will probably only be possible if done before the vehicle gets very deep], (2) have a means of breaking a window [a hardened metal tool or centerpunch], or (3) be able to hold one's breath between the time the vehicle is flooded and the time it becomes possible to open a door [depending upon depth, this may be workable if one doesn't panic, even if options (1) and (2) don't work]. |
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//If a vehicle is going into water, the critical thing is to either//
4) Keep a boot (trunk) full of SCUBA gear.
Tick. |
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I want a door that opens, a big lifeguard and AWOL's equipment. |
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//Boned for catering to people's ridiculous fears about things that will seriously never happen// |
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Over 10.000 cars a year end up in water after an accident. |
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//a big lifeguard and AWOL's equipment//
I *am* a big lifeguard, but I'm afraid Mrs AWOL has dibs on the equipment. |
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/There are already immersion detectors on self-inflating life jackets. They don't blow up your vest when you catch some wave spray or get rained on. Nothing new needs inventing in that department./ |
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These are basically salt tablets, the problem being they last about 2 years then are useless in that if they get a drop on them (rain) after that time they activate. |
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A Hydrostatic release unit on the belt itself may work, they are the devices on ships to release the liferafts if the ship sinks. |
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//is it fully inflatable?//
Well, the BCD is, obviously. |
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//Stay on the road - problem solved// |
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The problem is aleviating the disportionate amount of anxiety over being trapped in a submerged car, and by doing so come up with a practical, and cost effective improvement over the current very static seatbelt. |
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I tell you, it comes down to removeable hatches in all surfaces secured by expolosive bolts. |
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Initially, the automotive fashion world will be reluctant to embrace this idea. But after a clever marketing campaign, the public will revel in the everchanging "this years hatch" look. |
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Costs will come down as volumes rise, systems reliability will no longer be an issue, liability limits will be established, aftermarket addons will blossom. |
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//current very static seatbelt//
Do cars still ship with static belts? |
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current? static? who switched the conversation over to electricity... |
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