electric catamaran boat to set world record

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Originally Posted by noli

Wow , thanks for the info. didn't know the Tesla battery has that kind of energy density. The model 3 can reach 300 miles with the equivalent of 2 gallons of gasoline.

2 gallons of gasoline on my Camry gets me 70 miles

Tesla batteries win?
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I just put the "energy density" equivalent of two gallons of gas, Tesla battery in my boat. Unfortunately, the "weight density" of the Tesla battery is that of ( as mentioned above, yet ignored) "three, LS-3 car engines".

You get a "slight tingling" feeling when initially coming aboard. It's a bit slow to get on plane. Only goes about 300 feet between charges ... but look at the bright side .. it makes the FJB crowd jump for joy when they see it. So much so that I'm getting a $50,000,000.00 skim .. err ... grant from the $300,000,000,000.00 they just stole from the tax payers.

The market tanked 1500 points while they were having their "inflation reduction" err ... "we got away with it" party, yesterday ... just sayin :rolleyes:

https://i.imgur.com/tBKP15Wl.jpg

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Originally Posted by Noah Burns

It disgusts me to agree with you on pretty much anything (other than politics it would appear) but you are absolutely correct with this "sentence" here. Nothing the government touches, improves.

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Mr. Burns,

Life is too short to take any of this too serious .. like they say, take what you need and leave the rest .. :cheers:

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Originally Posted by noli

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Any pics of the go-cart?






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No sir. Way before I had any way of taking a picture.
Ive done 2 VW bugs also.

I square wire wound the 11" motor for fun. Tons of power. insane really for a uni/sheet metal body truck.

Dago.

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Originally Posted by XstreamVking

Ten years from now they will laugh at how stupid we were to throw all this money into a non starter like electric power for cars and boats. As reserve power for a home or dedicated factory it’s viable. As soon as you make it Mobil it is not viable. I predict that hydrogen will end up being the power source that we end up using to replace petroleum. It’s already in the field and working fine just like propane. In certain applications it works great. Transportation is one. The company’s like Toyota are heavily invested in transportation and they don’t screw around spending foolishly. If ev’s were the end all be all they would not develop cars with hydrogen

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The problem with that is Hydrogen is not good for energy storage and doesn't solve the energy problem because you still have to create hydrogen liquid or gas; by splitting water with electrolysis or crack hydrocarbons. Storing hydrogen takes up tons of space, is inefficient and not safe. They'be need trying to crack that code forever and batteries are better right now, for automotive. Boats are a different story.

I did a pretty thorough article on the details of this project. Ray Lee did a great interview with Shaun and Alex.

https://www.wavetowave.com/home/2022...ed-boat-record

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Texas loves electric cars

Elon Musk's Tesla automobiles given the green light to erect another mega factory of high density electric car batteries


Tesla looks to invest $365M, create 162 jobs for battery refinery near Corpus Christi




Texas-Refinery










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@pcrussell50 Thanks for the info. Apparently the napkins in the pilots lounge are significantly bigger than the ones in the delta sky miles club :D And 200mm is damned near cheating. I'm building a CF hardtail w/ 120mm, so I can go out and show my buddies with full suspension the old skool way of how it's done. Either them or me is gonna get a good laugh.:D
@dagodiver That's an awesome project. I'm obsessed with watching Guy Martins YouTube channel with the EV stuff. A local shop here will convert classic cars for around $20G. My 09 Tacoma isn't quite worth that, but the tech will trickle down eventually. The guys are great to chat with, and a wealth of info.

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Originally Posted by John S

<!-- BEGIN TEMPLATE: dbtech_usertag_mention -->@pcrussell50<!-- END TEMPLATE: dbtech_usertag_mention --> Thanks for the info. Apparently the napkins in the pilots lounge are significantly bigger than the ones in the delta sky miles club :D And 200mm is damned near cheating. I'm building a CF hardtail w/ 120mm, so I can go out and show my buddies with full suspension the old skool way of how it's done. Either them or me is gonna get a good laugh.:D

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Well, 120mm is no slouch for a hard tail. Sounds pretty badass to me, actually. I bet it's got some decently slack head tube angle on it, too, no?

For the record, I'm not anti-battery. I just seek the right application for them. I have a battery skateboard, not a toy, but a rather serious one, and I ride it all the time. Just came back from a ride. I would have a battery scooter too, if I didn't already have two-stroke gas scooter that is 15 years old and still won't die. Plus, it's super light and battery scooters are a little porky. And my next motocross bike is as likely as any to be battery as well. I don't need the endurance for long rides, so a battery should work out rather nicely I think. We'll see.

-Peter

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Originally Posted by pcrussell50

Well, 120mm is no slouch for a hard tail. Sounds pretty badass to me, actually. I bet it's got some decently slack head tube angle on it, too, no?

For the record, I'm not anti-battery. I just seek the right application for them. I have a battery skateboard, not a toy, but a rather serious one, and I ride it all the time. Just came back from a ride. I would have a battery scooter too, if I didn't already have two-stroke gas scooter that is 15 years old and still won't die. Plus, it's super light and battery scooters are a little porky. And my next motocross bike is as likely as any to be battery as well. I don't need the endurance for long rides, so a battery should work out rather nicely I think. We'll see.

-Peter

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China is where all the new EV's are

https://youtu.be/tkOqIEUAlw4


cheap chit


https://www.aliexpress.com/item/3256...xx__1663269461

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Attachment 509969

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Originally Posted by WavetoWave

The problem with that is Hydrogen is not good for energy storage and doesn't solve the energy problem because you still have to create hydrogen liquid or gas; by splitting water with electrolysis or crack hydrocarbons. Storing hydrogen takes up tons of space, is inefficient and not safe. They'be need trying to crack that code forever and batteries are better right now, for automotive. Boats are a different story.

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So solar farms wind generators the power grid and everything else is compact and elegant huh? Nuclear power is completely safe? Hydrogen the most abundant material in the world is difficult? Nice try but not making any sense...

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how electric motors are built


https://www.youtube.com/watch?v=BZjhOkDut6I









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My first real job at 16 was Industrial Motor Service, I worked the counter sales for the electrical wholesale division for electrical contractors, but they also sent me to the many factory's to pick up and return big rebuilt electrical motors, they would dissemble, cook parts of them in a big oven, then install new wiring,
There Hay Day's were when motors were changed from 25 Hz to 60 Hz, Canada kept supplying 25Hz for industries because Niagara Falls was originally 25Hz and the change over would be costly.



Tesla has said It's new carbon motor is the best on earth ...


Elon Musk has elaborated on details of Tesla’s new electric motor, the Plaid carbon-wrapped motor, and even teased an even crazier higher RPM version coming to the new Roadster.
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One thing we were hoping for during the presentation of the new Model S at the delivery event last week was more details about the new powertrain technology that Tesla developed under its Palladium program for the refreshed version of the electric sedan.
Interestingly, the CEO didn’t dive too deep into the new technology. For example, he only mentioned a brand-new battery pack without going into new details.
However, he did unveil Tesla’s new Plaid carbon-wrapped motor and discussed a few details about the new technology, which allows for smaller, more powerful, and efficient motors:
The motors are small enough to be picked up by a single person while also capable of achieving insane RPMs:
<figure class="wp-block-image alignwide size-large" style="box-sizing: border-box; margin: 0px -125px 1em; max-width: 100vw; color: rgb(0, 0, 0); font-family: Roboto, sans-serif; font-size: 16.8px;">https://electrek.co/wp-content/uploa...rip=all&w=1000</figure>During the presentation, Musk briefly touched on the fact that this new motor is only possible thanks to a new machine that Tesla developed to be able to build it.
In a new series of tweets yesterday, the CEO elaborated on that machine:

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</ins>

“Fiber is wound over rotor at high tension load. Machine to do this was made by Tesla Automation.Carbon sleeve must put copper rotor in compression or it loosens at low temp due to differential thermal expansion. Preload is also helpful for maintaining precise gap to stator.”

Musk also expanded on the advantages of the new motor over its predecessors:

“Main advantage of this is a much stronger EM field compared with a rotor that is held together by metal (usually high strength steel). Other advantage is that rotor can go to higher RPM, as carbon sleeve (mostly) stops copper rotor from expanding due to radial acceleration.”

In short, the new carbon-wrapped rotor enables Tesla to push its new motors to a higher level of performance.
<figure class="wp-block-image alignwide size-large" style="box-sizing: border-box; margin: 0px -125px 1em; max-width: 100vw; color: rgb(0, 0, 0); font-family: Roboto, sans-serif; font-size: 16.8px;">https://electrek.co/wp-content/uploa...rip=all&w=1000</figure>Again in the same series of tweets, Musk claimed that Tesla’s new motor is “arguably the most advanced motor on Earth,” but he teased that the automaker is working on something even more powerful for the new Roadster:

“The Plaid carbon-wrapped motor is arguably the most advanced motor on Earth outside of maybe a lab somewhere. We have to keep some secrets! We have a few ideas for increasing torque & max rpm even further for new Roadster. Definitely fun & exciting engineering ahead!”

Previously, Musk had discussed Tesla using the same tri-motor powertrain found in the new Model S for the new Roadster, which could achieve greater performance based on the smaller form factor alone, but now it looks like Tesla could be improving the powertrain technology, too.
<figure class="wp-block-image alignwide size-large" style="box-sizing: border-box; margin: 0px -125px 1em; max-width: 100vw; color: rgb(0, 0, 0); font-family: Roboto, sans-serif; font-size: 16.8px;">https://electrek.co/wp-content/uploa...rip=all&w=1000</figure>The CEO has recently said that the engineering of the new Tesla Roadster will be completed this year in order to enter production in 2022.
Tesla is supposed to have new engineering prototypes of the new electric hypercar this summer.

Ya Zeda, here is youn eletrik modda , I tell you no uze neea vassa ....

https://i.ytimg.com/vi/efRBhMaNzFs/maxresdefault.jpg


Gone Kaputt ...

https://th.bing.com/th/id/R.0fe43a30...pid=ImgRaw&r=0


Chaz = expected to see thousands and thousands of pictures of all kinds of electric boats this morning ... still nothing but the easily converted back to 3.0L , Hellcat.

https://www.youtube.com/watch?v=9SwQ9iavJeI

The problem is not the motor but how you are going to power it
https://www.weflywright.com/technology#motors
Unless you have a fusion reactor in pocket size you are going to run into some walls
Precisely how many years ago everbody had to walk back to home in manhattan new york?