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Video Lemon powered Supercar- WORLD'S LARGEST Lemon Battery
12:03   |   today at 15:48


  • I was challenged to create electricity to support this beast
  • It's Volkswagens carbon-fiber dual engine
  • Faster than a Formula one electric supercar
  • For the upcoming infamous 12 and 1/2 mile Pikes Peak race to the top of a really high mountain in Colorado
  • And they gave me no further instructions on how they wanted it done
  • So I thought how cool to be to charge it up using one of those science fair lemon batteries
  • And since I'm pretty sure using only one lemon isn't going to cut it
  • My plan is to build the Guinness world record
  • World's largest lemon battery and when it comes to making ridiculous things no one is better at that than fellow YouTube engineer
  • William P. Osman. The first video I saw of yours was when you bio hacked your dog. How did that work?
  • Not well
  • we tried to dangle a hot dog in front of a dog's face on a
  • Mechanical backpack and then you can steer the hot dog
  • To try to get the dog to change directions and what he ended up doing was sitting down and eating him
  • So we've estimated this should take about three days for us to build and yet I've only allotted
  • Two minutes for this in the video. So you know what that means you plan on your videos
  • We didn't want our battery setup to just be a mangled mess of wires
  • So William had the brilliant idea to waterjet out a bunch of copper and zinc strips, which we can then assemble into racks
  • Who are the first half of the racks to be in parallel and that was in series with the second half of the racks
  • Which were also all in parallel and then at that point all we had to do was impale some lemons
  • Speaking of which in addition to harvesting from my own backyard
  • I visited some local farms and got their class two lemons
  • Which means they couldn't be sold in stores because they were either overripe miss shapen or too small
  • and when one finds oneself in possession of
  • 1232 lemons, turns out you can't not do this
  • So here we have the world's largest
  • Lemon battery and now is the moment of truth to see just how much power this could actually make for us
  • But in order to understand the results, let's first review how a lemon can even make power in the first place
  • The trick is picking the right metals to stick into the lemon in this case
  • Zinc really wants to get rid of electrons and then copper really wants to collect them
  • But they can't do that unless they're connected by some kind of electrolyte and that's the lemon juice
  • once that happens an electrochemical reaction occurs the bass and the electrons can now move and moving electrons is the very definition of
  • Electricity it's sort of like how the water up high in the full cup naturally wants to flow to the empty cup lower down
  • But it can't do that until you connect the two with the straw which allows the water to flow
  • So in this case, obviously the higher cup is the zinc
  • The lower cup is the copper and the straw is the lemon and so then the flowing water
  • represents our electricity or power and so with that we were measuring just under five volts and the short-circuit current is
  • Not great, Mark. Basically, our lemon battery is awful. Yeah like it's impressive
  • No, the fact that it works as well as it does is cool. But as well as it works is not
  • Well, does that make any sense? It makes no sense whatever you just said
  • And to quantify the suckiness better you can listen to a motor running off our 1,200 lemons
  • Versus a single double-a battery
  • So what was looking good for the car
  • But we weren't about to let three days of work go down the drain
  • So because the battery produces so little power we use a tiny tiny
  • High gear ratio motor fifteen hundred to one to charge up our potential energy
  • Which is more lemon so it should take about 15 minutes to lift this bag and then we can release that all at once
  • to activate our lemon juicing mechanism, basically
  • Like all of these guys are working together to like drain the lifeblood from one of their brethren. Maybe this is too dark
  • Okay, William moment of truth. I am so excited. Give me some of that. Cheers. Cheers
  • Wow refreshing
  • organic not worth
  • 10 hours amazing 12 hours totally worth it
  • This is the most expensive glass of lemonade you will ever have. Yes, that actually is a fact. It's a win in my book
  • I'm gonna finish this. I'm not
  • So we let the lemons trickle charge for a couple days
  • And after that the total power we harvested for the Volkswagen
  • Racing team was the equivalent of a single double-a battery and I should mention that since the race team is busy getting the car ready
  • For the race in Colorado. They have sent me this monstrous 48 kilowatt hour battery that can drive itself
  • So the plan is I will add any power we generate here in
  • California to this battery and then get this to them in time for the race in, Colorado
  • So the measly lemon power is now inside, but clearly I need to think of a plan B
  • Luckily I had an idea
  • Which is to take some pulleys and a skateboard wheel and a brushless motor then some custom machined aluminum plates and a steel
  • Cable to make a zipline with regenerative braking to charge a drill battery
  • And it seems to actually be working. All I needed now was a party with some family friends and their kids
  • This is how much energy is in the battery. We need to get it from empty all the way up to the full
  • That's where I need you guys because what happens is as you go down on this zipline
  • It charges the battery
  • The worst part about a zipline is when you have to go down and then drag it back up the hill
  • But I've got a little remote control here watch this
  • Is that cool? You guys want to ride that? you ready?
  • Mechanical advantage of the sloped Hill disguises it well
  • But the amount of energy they are adding to our zipline system here by running up the hill just one time is the same energy
  • used for the world record dead lift
  • And to provide power to their leg muscles
  • we repurposed our lemon battery lemons into fresh lemonade and
  • Everyone had to take a drink before running up the hill because as they say when life gives you 1200 lemons make lemonade
  • Then force kids to drink it to power your regenerative zipline
  • So the zipline was awesome
  • And we ended up charging up one of these portable drill batteries plus a little more. Now for those of you keeping track at home
  • Here's how I'm doing so far
  • the limits have enough power to move the
  • supercar about this far on a soccer field and then with the lemonade and the kids muscles in the zipline it can now travel an
  • additional two soccer fields
  • The problem is the race is 200 soccer fields long, which means if we were to try and charge the car
  • We'd be 198 soccer fields short. So clearly that kind of power will not be breaking any records
  • So I've got to come up with a plan C and to do that
  • I'm gonna harness the power of the Sun and in hindsight
  • I probably should have started here because if you think about it all the energy sources we use are actually
  • solar powered. Oil and coal and natural gas
  • It's just old decayed plants and swamps that originally got their power from the Sun using their leaves and photosynthesis
  • Even things like wind turbines are really solar powered because the wind blows when the Sun heats up the atmosphere
  • unevenly in the case of
  • hydroelectric dams the water got to the lake on the high side because of rain from the clouds and clouds a result of water that
  • Has been evaporated by you guessed it, the Sun. As humans
  • We are even solar power because we get our energy from plants or animals that ate plants
  • Which again get their power from the Sun
  • so if I was looking for some energy to fill up a battery instead of indirectly and
  • Inefficiently going through a bunch of different energy sources and losing a bunch at every step along the way
  • it makes way more sense to just go directly to the source
  • And so with that in mind I busted out the power tools and put twenty-four 100 watt solar panels over our garage
  • But there was a problem with this. When NASA sent the solar power twin Rovers to Mars in 2004
  • It didn't take long until the solar panels were
  • Totally covered in dust which effectively crippled the rover because they couldn't get as much energy from the Sun and this was a huge issue
  • But then we got lucky and a mini tornado came by and cleaned them off restoring the power
  • It turns out these mini tornadoes are actually pretty common on Mars which is why she is still driving around today
  • Nearly more than 14 years later. This is also in part why on the next Rover we sent to Mars
  • We just killed the issue altogether and slapped a nuclear reactor on the back and while California isn't Mars
  • It does get pretty dusty here. So to ensure that wouldn't happen to me
  • I invited over some really smart future engineers scientists and creators
  • and after explaining the problem and
  • demonstrating how severely it limits the power output from the panel's I challenged them to come up with and build a solution
  • And because our brains use up 20% of all the energy our body produces. I made them drink more lemonade to ensure
  • I got an optimal solution and so after pitching each other their ideas, they settled on one and got to work
  • Personally I thought it was brilliant and it worked extremely well and after they left I hooked it up to my lawn sprinkler system
  • So they go off for a few minutes once a week now and so after a few days of being bombarded by photons from space
  • We finally had the battery all charged up to full capacity
  • So in the end I learned a lot and we actually pulled it off
  • And now if you'll excuse me, I have an urgent delivery deadline to meet in Colorado
  • i like lemonade
  • Okay, you like it Eliza? Okay

Download subtitle


I was challenged by VW to make electricity to support their electric Supercar at Pike's Peak. The CRUSHED the course record by 15 seconds in the race. I got a little help from William Osman and some kids and without hurting any feelings one was better than the other.

Check out William's video here: /watch?v=oa5MRqrEdJI

The battery used to store and deliver the lemon, zipline, and solar power is a Mobi Gen built by FreeWire Technologies

#- Arrow- Andrew Applepie-
#- Run- Andrew Applepie-
#- Keep on Tryin- Andrew Applepie-
#- Cereal Killa- Blue Wednesday -
#- Danijel Zambo- Riding through the hall of the mountain king-
#- Joakim Karud- Almost Original
#- Berlin- Andrew Applepie-
#- Danijel Zambo- Devil in Diguise-
#- Too Happy to be cool by Notebreak-

Summary: I was challenged to charge VW's electric supercar for the upcoming Pike's Peak race. I first built a lemon battery with William Osman. Then we tried a regenerative zipline. Then we tried solar power with a twist.

They are soft-



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