Gravity is not a force. Friction is a force. Einsteinium theory of relativity proved this.
Sent from my iPhone > On Aug 26, 2016, at 9:35 PM, Cor van de Water via EV <[email protected]> > wrote: > > Rush is right in that the gravity is the force that slows down the > vehicle but not in the way you were thinking. > See, the way that the piezo elements can generate energy is by removing > it from a source, in this case the moving vehicle. > The piezo elements generate energy because a force works on them *and* > because they move (a force without movement by definition does not > generate energy). The movement of the Piezo elements is not > instantaneous, in fact they will generate the most energy when they only > yield slowly to the force, such that the largest possible force over the > largest possible time can act on them. > What does this mean for the movement of the road? Simple, when the > vehicle is entirely on the first piezo element, it is *not yet* > completely compressed, but it continues to be compressed while the > vehicle is already on it. Then when the vehicle reaches halfway, the > piezo element behind him has started to uncompress, but is not yet > halfway uncompressed and the piezo element in front of him is starting > to be compressed, but it is not yet halfway compressed. > The result of this is that the vehicle is driving a longer time on a > ramp upward than on a road that is tilting downward. And that is what is > causing the loss of energy, which is then harvested by the electricity > produced by the piezo elements. > It is quite simple Physics, but you need to take into account the > dynamic system, not the steady-state, because in the steady state that > was described, no energy is generated by the piezo elements (no movement > is no energy). > You can sketch a series of pictures where you assume that the piezo > elements continue compression for 1/4 of the roadway distance between > the piezo elements, the simple way of thinking about this is that they > respond 1/4 distance later than when they would respond instantaneously. > So, when the car is on top of element 1, it is 3/4 compressed while > element 2 is uncompressed > When the car is 1/4 distance down the road, element 1 is fully > compressed while element 2 is still uncompressed, about to start > compression. > When the car is halfway down the road, element 1 is back to 3/4 > compression while element 2 is 1/4 compressed > When the car is 3/4 down the road, both elements are halfway compressed > and finally the road is even. > When the car is on top of element 2, element 1 is only 1/4 compressed > and element 2 is 3/4 compressed so for the last 1/4 distance the car has > been able to drive down the ramp, but at this very point it is entering > the next section of roadway that is tilted up because the point where > the car is, is already compressed and the next element is still > uncompressed, so for 3/4 of the distance it will drive up a ramp (which > will "sink" while the car is on it, that is what causes the piezo > elements to generate power) > Hope this clarifies the Physics involved, there *is* a force generate in > the horizontal plane *by* the gravity, due to the tilted road, just like > climbing a hill causes you to lose kinetic energy. In this case, you are > not gaining potential energy like in the case of climbing the hill and > regaining it when you descend, but instead the "hill" is created by the > piezo elements that are generating energy, tapping from the forward > motion of the car. > > Cor van de Water > Chief Scientist > Proxim Wireless > > office +1 408 383 7626 Skype: cor_van_de_water > XoIP +31 87 784 1130 private: cvandewater.info > > http://www.proxim.com > > This email message (including any attachments) contains confidential and > proprietary information of Proxim Wireless Corporation. If you received > this message in error, please delete it and notify the sender. Any > unauthorized use, disclosure, distribution, or copying of any part of > this message is prohibited. > > > -----Original Message----- > From: EV [mailto:[email protected]] On Behalf Of via EV > Sent: Friday, August 26, 2016 6:58 PM > To: Rush Dougherty; Electric Vehicle Discussion List > Subject: Re: [EVDL] Piezo-power> 10mi of freeway could charge all the > EVs inBurbank-CA(?) > > >> I think you've forgotten about a little pesky thing called gravity... > and while >> the distances maybe similar, the energy needed to get the 'vehicle' > back up to >> the same level, the rise, is more than the energy gained on the fall. > > Best check your physics Rush. That same resistance to rising is what > makes objects crash into the ground. While there are losses, gravity > isn't one of them. > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > Read EVAngel's EV News at http://evdl.org/evln/ > Please discuss EV drag racing at NEDRA > (http://groups.yahoo.com/group/NEDRA) > > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > Read EVAngel's EV News at http://evdl.org/evln/ > Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA) > _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org Read EVAngel's EV News at http://evdl.org/evln/ Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
