Solar powered practical electric vehicle.. Fantasy. Oil powered practical internal combustion vehicle ... Reality.
Any further questions? Thanks you for sharing your fantasies with us Andrew ... By all means.. follow your dreams.. some day, lead may become gold by the principles of magic.. On Wed, Jun 17, 2015 at 12:50 PM, WILTON via Mercedes <mercedes@okiebenz.com > wrote: > Like I said, "Physics'll work EVERY time." It's gotcha right by the > "ying-yang," and not lightly - it's always squeezin'. > > Wilton > > ----- Original Message ----- From: "Meade Dillon via Mercedes" < > mercedes@okiebenz.com> > To: "Mercedes Discussion List" <mercedes@okiebenz.com> > Cc: "Meade Dillon" <dillonm...@gmail.com> > Sent: Wednesday, June 17, 2015 2:15 PM > Subject: Re: [MBZ] Add: Airbus Electric Plane > > > I'm going to answer my own question, as I think Andrew either won't or >> can't. >> >> The subject plane's wingspan is 9.5 meters, let's say we'll be able to fit >> 12 square meters of PV cells. >> >> When it is summer and the sun is shining, and it is shining directly down >> (local apparent noon), about 1000 watts per square meter reach the earth. >> >> So the maximum amount of power available for the PV cells to absorb is >> 12,000 watts, under exactly the right conditions. >> >> The subject plane has two engines, 30,000 watts each, so it requires >> 60,000 >> watts to fly. 100% efficient PV cells won't do it. What is the current >> state of the art, 35% efficient? >> >> Solar won't get you there, unless you can violate the laws of physics. >> >> ------------- >> Max >> Charleston SC >> >> On Wed, Jun 17, 2015 at 1:54 PM, Meade Dillon <dillonm...@gmail.com> >> wrote: >> >> Please tell us the amount of power (kilowatts) in a square meter of >>> sunlight at sea level. Now compare that to the amount of power required >>> to >>> fly an airplane, and the square meters of wing surface on the upper wings >>> of the subject airplane. A little simple math, fill in some reasonable >>> estimates for missing information, and I think you will begin to see that >>> even if solar panels reach 100% efficiency, they still won't work... >>> >>> ------------- >>> Max >>> Charleston SC >>> >>> On Wed, Jun 17, 2015 at 1:49 PM, Andrew Strasfogel via Mercedes < >>> mercedes@okiebenz.com> wrote: >>> >>> I beg to differ. Solar panel efficiencies are climbing relentlessly >>>> while >>>> the manufacturing cost continues to decline. >>>> >>>> >>>> >>> _______________________________________ >> http://www.okiebenz.com >> >> To search list archives http://www.okiebenz.com/archive/ >> >> To Unsubscribe or change delivery options go to: >> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >> >> > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
