Does anyone know how much it might cost to take up about an hour of a marine construction engineer's time. I want to show how something could be done (quite easily, relatively speaking) but is a little tricky in the explanation. I have already tried to outline my thoughts to someone over the...
I do not know if this helps. Everything automotive in engineering is down to how much power it uses no matter how good the construction. For example, the Emma Maersk uses 80 M/W (plus another 30, I believe) to push her through the sea using a slightly larger propeller. So, my thinking is this...
There will be no ballast other then the device itself (it simply has to weigh that amount. It will not be buoyant either. Think of it as a deadweight that has to lift itself the ten metres, that is all - this makes me think it may use more than 'just a little' power. When it has reached the...
I have to admit that this is a strange area for me. I have thought on this a bit further and have thought that maybe the draft of the propeller is to shallow to be of any effective use (if the whole thing is possible). So let me propose another size where the propeller blade can make a...
A, yes, that is true. Previous advice was taken and it has taken this long for another angle. The information gathered here would be a great help. Thank you.
There is an electrically operated propeller combined with a motor in a light housing laying sideways in a pool of water (not conventionally upright as on a boat) - think of a helicopter in the water.
The propeller/motor will be 8 metres diameter by 1 metre depth and will weigh 22 metric tonnes...
Simply put, if a nine ton payload needs to be hoisted a distance of between sixty and one hundred metres upwards how much energy would the crane used consume? And how many times would a crane motor (as found on a bridge crane type) be able to work with hoisting this weight four times an hour...
