General > General Technical Chat
Mess with your minds: A wind powered craft going faster than a tail wind speed.
electrodacus:
So yes you need to understand the difference between a powered ON fixed relative to ground treadmill and a powered off and dragged relative to ground treadmill.
Until you get this difference you will have a wrong idea of how the vehicle works.
IanB:
--- Quote from: electrodacus on September 02, 2021, 09:05:06 pm ---Blackbird drives on the ground and Zeppelin drives in the air so no contact with ground.
Blackbird takes power from the wheel to spin the propeller and since your Zeppelin has no contact with ground it can not power the propeller.
--- End quote ---
Careful now--if you start saying things like that, you will undermine your position.
iMo:
--- Quote from: electrodacus on September 02, 2021, 09:05:06 pm ---
--- Quote from: imo on September 02, 2021, 09:01:44 pm ---
--- Quote from: electrodacus on September 02, 2021, 08:53:00 pm ---
--- Quote from: imo on September 02, 2021, 08:44:04 pm ---Nope - forget the vehicle, no vehicle here, no cables, no wheels
Only a zeppelin with the propeller mounted on the zeppelin the same way as it was on the Blackbird..
--- End quote ---
What will be the role of the propeller on a zeppelin if the propeller is not powered ?
Zeppelin will not be able to go faster than the wind speed.
--- End quote ---
Frankly, I do not see a difference between the two cases - Zeppelin vs. Blackbird..
Both are powered by the tail wind..
--- End quote ---
Blackbird drives on the ground and Zeppelin drives in the air so no contact with ground.
Blackbird takes power from the wheel to spin the propeller and since your Zeppelin has no contact with ground it can not power the propeller.
--- End quote ---
How could the Blackbird's propeller take the power from the wheels? Where the "power of the wheels" comes from?
For both Zeppelin and Blackbird the only source of energy I can see is the tail wind..
electrodacus:
--- Quote from: Labrat101 on September 02, 2021, 09:06:20 pm ---On the video with the bet for 10K with the professor.. Derek wins the Bet and get the 10K .. So Why cant every one understand .
This works its been proven to work . and the concept is quite simple . You just have to think out of the BOX .
The same as the aeroplane cant take off from a rolling road .
and a Zeppelin Can not fly faster than tail wind because it flies in 1 (ONE medium air) Need two . But can burn faster with a good tail wind :-DD
--- End quote ---
Neither the professor or Derek understood how vehicle works.
Bet was that vehicle can or can not exceed wind speed and Derek proved to professor with the treadmill prototype that vehicle can exceed wind speed.
Since neither of them seen the energy storage device that I call pressure differential they where not able to understand how the vehicle works.
I do not claim that Blackbird vehicle can not exceed wind speed as based on my theory it works exactly the same as shown in tests. What I claim is that stored energy is used for that and so if test will have been long enough the slow down will have been seen.
You seem to be the most intelligent here so I'm sure you will be able to get what I'm saying.
Here is my wheel only analogy first without energy storage so vehicle can not move from left to right
And second with energy storage the spiral spring that emulates the air pressure differential. The spring connects the motor to the wheel
This one with the spiral spring (same as you get on a measure tape) will work exactly like the propeller based treadmill model in Derek's video.
electrodacus:
--- Quote from: imo on September 02, 2021, 09:09:16 pm ---How could the Blackbird's propeller take the power from the wheels? Where the "power of the wheels" comes from?
For both Zeppelin and Blackbird the only source of energy I can see is the tail wind..
--- End quote ---
Yes exactly the right question.
Below wind speed power at the wheel comes from wind and above wind speed power comes from stored energy in pressure differential so it will be for a limited amount of time than blackbird will be above wind speed not indefinitely as claimed.
Blackbird or the Zeppelin can not use any energy from the tail wind when vehicle speed is above that tail wind speed.
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