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Search took 0.02 seconds. Search: Posts Made By: The Toecutter
Forum: Aerodynamics 09-20-2023, 08:36 PM
Replies: 5
Views: 577
Posted By The Toecutter
Regarding making SUVs more efficient, a good...

Regarding making SUVs more efficient, a good shape to consider is the Mercedes Bionic hatchback concept from 2005. This could be given more ground clearance, larger wheels, and scaled to fit a small...
Forum: Aerodynamics 01-24-2023, 10:03 PM
Replies: 4,211
Views: 1,321,666
Posted By The Toecutter
I suspect if both front and rear wheels had...

I suspect if both front and rear wheels had skirts, Cd value would approach 0.12.
Forum: Alternative Transportation 12-03-2022, 02:31 PM
Replies: 29
Views: 2,997
Posted By The Toecutter
The red and white tadpole has its wheels too far...

The red and white tadpole has its wheels too far forward to be viable because it will end up very tippy in the corners due to the center of mass being so far back. You'd have to space the front...
Forum: Aerodynamics 08-20-2022, 02:00 PM
Replies: 854
Views: 65,542
Posted By The Toecutter
I predict in those circumstances based upon your...

I predict in those circumstances based upon your real-world measurements, 71 mpg.



With your aeromods, I suspect the car will get close to 85 mpg if you can do a steady 50 mph long-term.


...
Forum: Aerodynamics 08-04-2022, 08:53 PM
Replies: 88
Views: 7,658
Posted By The Toecutter
I have a Milan SL. The wheelhouses aren't fully...

I have a Milan SL. The wheelhouses aren't fully closed, but they are so narrow that the turning radius is about as terrible as a Mercedes Benz 300 SDL I used to own.

It is very slippery. Holding...
Forum: Aerodynamics 07-31-2022, 04:19 PM
Replies: 19
Views: 2,295
Posted By The Toecutter
The 1967 designed by Deutsch Bonnet. With the...

The 1967 designed by Deutsch Bonnet. With the full tail, its drag coefficient came out to 0.13. The dual rear fins help it to stay stable on the Mulsanne straight without much need for downforce.
...
Forum: The Lounge 07-31-2022, 04:00 PM
Replies: 40
Views: 2,122
Posted By The Toecutter
Someone could optimize the shape in a slippery,...

Someone could optimize the shape in a slippery, future-proof manner and just keep printing it for decades. The cars would become stupid cheap to fix and repair if parts were all over the place and...
Forum: Aerodynamics 07-31-2022, 03:08 PM
Replies: 19
Views: 2,295
Posted By The Toecutter
0.74 Cd with wing, compared to the stock Corvette...

0.74 Cd with wing, compared to the stock Corvette being measured as 0.32 in the same wind tunnel.

That means a lot for economy. A stock Corvette of that style with an engine re-tune for leaner...
Forum: The Lounge 07-31-2022, 02:19 PM
Replies: 40
Views: 2,122
Posted By The Toecutter
I think an Alfa Romeo Disco Volante Coupe is even...

I think an Alfa Romeo Disco Volante Coupe is even closer. In Italian, its name translates to "Flying Saucer". It also had a 0.25 drag coefficient, in 1952. It weighed 1,653 lbs. Powered by a 156...
Forum: Aerodynamics 07-28-2022, 12:14 PM
Replies: 854
Views: 65,542
Posted By The Toecutter
Meanwhile, cars with at least the appearance of...

Meanwhile, cars with at least the appearance of extreme slipperiness like the Citroen DS, Tesla Model S, and Toyota Prius tend to sell very well in their respective time periods, and concept cars...
Forum: Aerodynamics 07-28-2022, 11:33 AM
Replies: 854
Views: 65,542
Posted By The Toecutter
The 2023 Ioniq 6 EV will have finally caught up...

The 2023 Ioniq 6 EV will have finally caught up with the 1935 Tatra T77A. We only had to wait about 90 years for a mainstream automaker to match that... The average new car just recently began to...
Forum: Aerodynamics 07-28-2022, 10:46 AM
Replies: 19
Views: 2,295
Posted By The Toecutter
The nice thing about low drag is that at very...

The nice thing about low drag is that at very high speeds, acceleration improves greatly, and if you have appropriate gearing for it, so too does top speed.

A typical musclecar like a base model...
Forum: Aerodynamics 07-27-2022, 10:57 AM
Replies: 88
Views: 7,658
Posted By The Toecutter
You can make your own with coroplast and zip ties...

You can make your own with coroplast and zip ties to hold you over. It can be done in less than an afternoon of work for about 15 Euros of materials, and the benefits are significant. That by itself...
Forum: Aerodynamics 07-26-2022, 07:23 PM
Replies: 19
Views: 2,295
Posted By The Toecutter
There is no short answer to your question. It's...

There is no short answer to your question. It's going to depend on all of the vehicle's parameters: mass, original drag coefficient, engine's power/torque curve, gear ratios, tire size, driveline...
Forum: Aerodynamics 07-25-2022, 11:38 PM
Replies: 54
Views: 5,815
Posted By The Toecutter
They will ride to the Gates of Valhalla, shiny...

They will ride to the Gates of Valhalla, shiny and chrome!
Forum: Aerodynamics 07-24-2022, 07:52 PM
Replies: 54
Views: 5,815
Posted By The Toecutter
That's the most effective means to keep the...

That's the most effective means to keep the battery cost down for a given amount of range. The 1996 Solectria Sunrise could seat 4 people and got a 150-200 mile real-world range with a 28 kWh pack of...
Forum: Aerodynamics 07-23-2022, 04:16 PM
Replies: 54
Views: 5,815
Posted By The Toecutter
It would be trivial for a large car company to...

It would be trivial for a large car company to make a body of the level of efficiency found in the EQXX, and build a cheap < $25k 4-cylinder car that gets 80+ mpg highway and seats 5. Or as an...
Forum: EcoModding Central 07-14-2022, 10:55 AM
Replies: 432
Views: 81,753
Posted By The Toecutter
You could totally turn it into a targa top. Roof...

You could totally turn it into a targa top. Roof off for good whether, roof up for the winter and for getting the aero that is possible. Without a fixed roof section built into the car, a convertible...
Forum: Alternative Transportation 07-14-2022, 09:45 AM
Replies: 29
Views: 2,997
Posted By The Toecutter
Fully recumbent 2-wheelers are difficult to ride....

Fully recumbent 2-wheelers are difficult to ride. I'd recommend saving up and getting a trike. You could build a velomobile out of it and get the equivalent of thousands of MPG.

That's what I did...
Forum: Alternative Transportation 07-14-2022, 09:27 AM
Replies: 29
Views: 2,997
Posted By The Toecutter
If you REALLY want to up your credibility as an...

If you REALLY want to up your credibility as an "old man", you need an electric-assist recumbent tricycle, with full suspension. Almost everyone I've seen riding such a contraption is of retirement...
Forum: Aerodynamics 07-11-2022, 11:24 PM
Replies: 43
Views: 4,700
Posted By The Toecutter
This car was also written about at The Autopian....

This car was also written about at The Autopian. Ecomodder member MetroMPG was specifically mentioned:
...
Forum: Alternative Transportation 07-11-2022, 05:01 PM
Replies: 67
Views: 16,015
Posted By The Toecutter
It's a great choice of material to work with. I...

It's a great choice of material to work with. I have no experience with it, and I require compound curves to a specific set of dimensions. Coroplast is not conducive to that at all, but it can be...
Forum: Alternative Transportation 07-11-2022, 04:36 PM
Replies: 67
Views: 16,015
Posted By The Toecutter
Before I removed the body, I had it underneath...

Before I removed the body, I had it underneath the front boom. Twin Greenway 46.8V 15.6 AH packs enclosed in a coroplast box, c-clipped and zip-tied underneath the boom.

With the body off and rear...
Forum: Aerodynamics 07-10-2022, 11:24 PM
Replies: 54
Views: 5,815
Posted By The Toecutter
More like those at the top of the socio-economic...

More like those at the top of the socio-economic hierarchy directing and manipulating Western culture to their own profitable ends. The unholy alliance between the mainstream automobile manufactures,...
Forum: Alternative Transportation 07-10-2022, 10:47 PM
Replies: 67
Views: 16,015
Posted By The Toecutter
This vehicle's been in the process of being...

This vehicle's been in the process of being overhauled. To do so, I had to remove the body shell that I put hundreds of hours of work into.

I've reclined the seat further back after cutting the...
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