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Environment & Energy

NNadir

(38,147 posts)

14. Wow! A perpetual motion machine!

Reply to ffr (Original post)

Mon Aug 26, 2019, 11:43 AM

Aug 2019

I knew the 2nd law of Thermoynamics just couldn't be real.

All we have to do now is build a few billion mining trucks, build big holes and everything will be all better.

Take that Boltzman!

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WTH? 110-ton electric vehicle dump truck never needs recharging. [View all] ffr Aug 2019 OP

This is outstanding. onecaliberal Aug 2019 #1

When Formula One began using K.E.R.S. House of Roberts Aug 2019 #2

Meanwhile, the US wants to bring back coal... hlthe2b Aug 2019 #3

I'm pretty sure that these would work just fine in an open pit strip mine. Cleetus Ford Aug 2019 #5

This message was self-deleted by its author hlthe2b Aug 2019 #6

Cheap coal is unaffordable. Coal at any price is unaffordable. marble falls Aug 2019 #7

Nicely stated packman Aug 2019 #13

what if it is not going up and down hills? pangaia Aug 2019 #4

Not to worry! If it's hauling out of a mine or quarry then abqtommy Aug 2019 #8

Ha Ha,, Shows you how much I know... pangaia Aug 2019 #9

It only works because it is moving mass from a higher elevation to a lower one progree Aug 2019 #10

Or to say it more correctly, it works because of the type of work that the truck does. ffr Aug 2019 #11

I was responding to the comments that I replied to, not to your OP progree Aug 2019 #12

Wow! A perpetual motion machine! NNadir Aug 2019 #14

A perpetual motion machine would work with no external energy inputs jmowreader Aug 2019 #15

So it's only used once? NNadir Aug 2019 #16

Not at all jmowreader Aug 2019 #17

And it's propelled up the hill with zero mass? The truck loads itself with mass without energy? NNadir Aug 2019 #18

#10 explains it. There is no claim to being a perpetual motion machine -- though it would keep progree Aug 2019 #19

Well, congrats to the engineer who looked at this and justified the conversion captain queeg Aug 2019 #20

saving 11,000 to 22,000 gals of diesel fuel per year alone justifies it Hermit-The-Prog Aug 2019 #21

It's essentially being "recharged" by all the energy used to mine the ore NickB79 Aug 2019 #22