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Forum: Fossil Fuel Free 05-25-2024, 11:53 PM
Replies: 601
Views: 43,889
Posted By Snax
PFfft. That one is clearly just a trailer queen....

PFfft. That one is clearly just a trailer queen. :D
Forum: Fossil Fuel Free 05-25-2024, 04:36 PM
Replies: 601
Views: 43,889
Posted By freebeard
https://blogger.googleusercontent.com/img/b/R29vZ2...

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjsjPeNzlnlBXNuywAXIqv01IOwZJMi4u6-SjQSGmIhZ4LtpOhqH_qQ1bKx-LM8NQkjCHi65VCxAaQC_ugmTwwvdWDw8liK8UTIo3FMYZ7T1YQKUfm753cJK0aVck4b7UkK7eY7syIjRwU...
Forum: Fossil Fuel Free 05-25-2024, 02:01 PM
Replies: 601
Views: 43,889
Posted By redpoint5
Before EV trucks were a thing, I predicted 2...

Before EV trucks were a thing, I predicted 2 miles per kWh would be about the average. This guess based only on the fact that trucks seem to get about half the MPG as cars, and EV cars were getting...
Forum: Success Stories 05-25-2024, 12:32 PM
Replies: 338
Views: 54,837
Posted By mrme1983
I don't think this deserves to come under the...

I don't think this deserves to come under the 'advanced vehicle mod section', a 300k repair 'new steering angle sensor' job while re-mantling I did not replace the steering wheel balance weight or...
Forum: Fossil Fuel Free 05-25-2024, 11:05 AM
Replies: 601
Views: 43,889
Posted By aerohead
Cybertruck range

Online reporting of the 2024 Cybertruck, Foundation Series is pegging its range for 75-mph driving, at 250-miles, with the 122-kWh pack.
An energy balance calculation for 55-mph yields a range of...
Forum: EcoModding Central 05-24-2024, 11:50 AM
Replies: 5
Views: 180
Posted By Logic
Yep :) Build a tandem Aptera! :) ie: ...

Yep :)

Build a tandem Aptera! :)
ie: The fuselage of a modern sailplane.

But as we cant use thermals down here we still need to move it down the road somehow.
That somehow is Serial Hybrid...
Forum: Hybrids 05-24-2024, 10:28 AM
Replies: 13
Views: 257
Posted By Logic
I ran the link through VirusTotal: VT is a...

I ran the link through VirusTotal:
VT is a Google bought out organization where the said link (or file) is scanned by EVERY AV worthy of the name. Over 60 of them.
Nothing suspicious was found....
Forum: Off-Topic Tech 05-24-2024, 03:33 AM
Replies: 0
Views: 89
Posted By freebeard
very low-emission concrete at scale

Via Hacker News (https://news.ycombinator.com/):

www.cam.ac.uk: Cement recycling method could help solve one of the world’s biggest climate challenges...
Forum: Aerodynamics 05-23-2024, 08:25 PM
Replies: 2
Views: 102
Posted By freebeard
CROSSPOST; from Off-Topic Tech

THIS IS MY FAVORITE CAR, AT LEAST FOR TODAY.
Lawrence's 1959 Porsche 356 Speedster Replica!!
Lawrence's 1959 Porsche 356 Speedster Replica!! (https://www.youtube.com/watch?v=TbYBWPYOAXM)
A replica...
Forum: The Lounge 05-23-2024, 12:59 PM
Replies: 1,450
Views: 105,450
Posted By freebeard
I picked only one paper to scan, so this is...

I picked only one paper to scan, so this is cherry-picking, but:

The evolution of modern corals and their early history (https://www.sciencedirect.com/science/article/abs/pii/S0012825202001046)
...
Forum: Fossil Fuel Free 05-23-2024, 10:16 AM
Replies: 43
Views: 2,328
Posted By aerohead
2"

That's what they installed, so no adaptors required, and the cargo carrier will just 'plug in.'
The wheel arch surrounds had to be 'half' removed in order to remove the rear fascia, then the...
Forum: EcoModding Central 05-23-2024, 08:33 AM
Replies: 5
Views: 180
Posted By Hersbird
In my opinion if there is a bunch of wasted...

In my opinion if there is a bunch of wasted energy there will be heat buildup. So the springs don't waste any energy, they store some briefly and then immediately return it to where it needs to be....
Forum: Hybrids 05-23-2024, 02:30 AM
Replies: 13
Views: 257
Posted By freebeard
The first one is pretty slick. Does...

The first one is pretty slick.



Does everyone see this?
Forum: Hybrids 05-22-2024, 08:59 PM
Replies: 13
Views: 257
Posted By Logic
Range Extender: Matching power and torque to suite the generator

This paper is interesting in that it goes into the details of modding a 250cc motorbike engine to suite the chosen generator so that you end up with a light, compact and efficient genset for your...
Forum: EcoModding Central 05-22-2024, 10:04 AM
Replies: 5
Views: 180
Posted By Logic
Regenerative Suspension System Research etc Links.

The ease with which one can stick magnets to a shock absorber and surround that field with copper wire windings makes Regenerative Suspensions/shocks enticing.

Rectify each coil's output and feed...
Forum: Fossil Fuel Free 05-20-2024, 11:43 AM
Replies: 43
Views: 2,328
Posted By redpoint5
Don't let them install anything but a 2". I don't...

Don't let them install anything but a 2". I don't even know why the smaller one is an option, because a 2" does everything the smaller one does, plus more.

I recently removed the 2" receiver from...
Forum: General Efficiency Discussion 05-20-2024, 10:41 AM
Replies: 991
Views: 75,769
Posted By Piotrsko
Not seeing lead deposits on valves for perhaps 20...

Not seeing lead deposits on valves for perhaps 20 years, the faces I have seen black as well as the not moving through guide portions of the stems. The black coating is rather thin.

Egr systems...
Forum: Aerodynamics 05-20-2024, 10:36 AM
Replies: 36
Views: 1,315
Posted By aerohead
' balance beam '

here's some considerations:
1) in order to guarantee reliable quanta, you'd be looking at, at least, 40%-scale models.
2) considering the depreciation in the value of the US Dollar between 1990 and...
Forum: EcoModding Central 05-20-2024, 06:52 AM
Replies: 17
Views: 1,758
Posted By Logic
Reduction of Exhaust Noise by Means of Thermal...

Reduction of Exhaust Noise by Means of Thermal Acoustics
"...We observe about 2 dB decrease of the OA dB value when the gas temperature decreases of about 100°C..." ...
Forum: General Efficiency Discussion 05-19-2024, 04:36 PM
Replies: 12
Views: 300
Posted By freebeard
What about it? It needs A-B-A testing. Of...

What about it? It needs A-B-A testing.

Of course it only works with approx. vertical windshields. The Beetles max camber is at the B-pillar so it's in a positive pressure gradient. It's a wing not...
Forum: General Efficiency Discussion 05-19-2024, 12:14 PM
Replies: 991
Views: 75,769
Posted By JSH
The 1.3L engine in the Trax has been around since...

The 1.3L engine in the Trax has been around since 2018. It is used in everything from small crossovers like the Trax to full size cars like the Buick Lacrosse.

Small direct injection turbos are...
Forum: General Efficiency Discussion 05-19-2024, 01:43 AM
Replies: 12
Views: 300
Posted By Isaac Zachary
Nice dash cooler!

Nice dash cooler!
Forum: General Efficiency Discussion 05-19-2024, 01:19 AM
Replies: 12
Views: 300
Posted By freebeard
https://i.ebayimg.com/images/g/0UQAAOSw6XZf3jC-/s-...

https://i.ebayimg.com/images/g/0UQAAOSw6XZf3jC-/s-l400.jpg
Forum: General Efficiency Discussion 05-18-2024, 08:59 PM
Replies: 991
Views: 75,769
Posted By freebeard
Driving the amphibious TVR Scamander into...

Driving the amphibious TVR Scamander into Blackpool for its first MOT in 12 years.. (https://www.youtube.com/watch?v=Pn3DT_Wjt0U)
A few seconds in the water at 17:08 (https://youtu.be/b-81RbBkjsw)
Forum: General Efficiency Discussion 05-18-2024, 06:12 PM
Replies: 12
Views: 300
Posted By freebeard
Not sure I follow, let's ask Wikipedia: ...

Not sure I follow, let's ask Wikipedia:

en.wikipedia.org/wiki/Atmospheric_window (https://en.wikipedia.org/wiki/Atmospheric_window)



Now let's ask Ecomodder:...
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