63 results found displaying 34-36
    
lolita
 India
Controllable exhaust train toilet Printer Friendly Version
Many trains have toilets with open drain. When it is at platform, the muck spoils the paltform vicinity. Make a tank with vent controllable by guard or driver. He will open them only when he sees that site is suitable for dumping.

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11°

    
Mobius1
 Ireland
Ultra-Light Aircraft Printer Friendly Version
I called it the Creative Minds X1 and started designing it using a computer 3D Design Tool.
The original idea was for an ultra light aircraft powered by a very small and relatively cheap engine such as a motorcycle engine or (as many suggested) a big chainsaw engine.
I wanted the wings to be foldable/detachable so that it could fit onto a large trailer. I wanted the bodywork to be made mostly of moulded plastics, this turned out to be an extreamly expensive task. Sheet aluminium is probably a better idea.
Im posting it here simply because it might inspire somebody who has the money, the talent, the will - to go and try it. I believe I had the talent, and the will. I didnt have the money, the space or the contacts.
If you have any questions concerning original measurement ideas etc - please feel free to ask!
Reward: I would like its name to remain as Creative Minds X1 and I want to be recognized as the original designer. 

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38°

    
Dan_uk
 United Kingdom
Aircraft Safety Printer Friendly Version
Aircraft safety is now a big issue. Hundreds of lives can be lost at one time due to small mistakes or failures. If the plane is inevitabaly going to crash and there is no way to stop it, at present the only thing to do is to sit tight and hope you survive. My idea is as follows:
There is a device (a larger version of a pilot ejection seat) that blasts the whole passenger compartment away from the wings and engines. The rocket propellors are situated at the front and the back of the passenger compartment away from the fuel tanks and engines to prevent explosions. After say 10 seconds when the rockets have burnt out and the cabin is clear of the remains, two parachutes open up, again at the front and the back, so that it can fall horizontally to the ground. The wings and engines also have a single parachute each to keep fatalities on the ground to a minimum (maybe have a siren to warn people on the ground). The fuel/engine free passenger cabin will land safely on airbags which can be opened up manually by the pilot before contact with the land/water. They will prevent the plane from sinking or absorb the impact, which could still be quite large despite the parachutes. Admittedly, there would still probably be some loss of lives somwhere due to this but it would be far less than the plane plummeting towards the ground at hundreds of miles an hour.
Reward: Some recognition 

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54°

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