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Search: Posts Made By: The Toecutter
Forum: Alternative Transportation 11-15-2023, 05:37 PM
Replies: 57
Views: 12,892
Posted By beate
handbuilt in small numbers is quite expensive....

handbuilt in small numbers is quite expensive. But surprisingly cheap compared to open trikes - an scorpion pedelec from HP velotechnik is often more expensive than a DF (Bülk and Snoek are currently...
Forum: Aerodynamics 09-07-2023, 02:22 PM
Replies: 5
Views: 577
Posted By freebeard
Tempting: www.theautopian.com: I’m A Real...

Tempting:

www.theautopian.com: I’m A Real Car Designer And I’ll Draw Your Ridiculous Ideas --By Adrian Clarke --March 29, 2022...
Forum: Fossil Fuel Free 02-23-2023, 11:57 AM
Replies: 45
Views: 2,885
Posted By aerohead
facts

* There's a link to a link for the Yale research.
* All your points are addressed by Jonny Lieberman.
* BEV battery production averages the pollution of 74-gallons of gas.
* Where ICE vehicles...
Forum: Fossil Fuel Free 02-23-2023, 11:25 AM
Replies: 45
Views: 2,885
Posted By redpoint5
There were no facts in that link, and even an...

There were no facts in that link, and even an uninformed person like me can tell they are lying.

Battery production has way more entrained CO2 emissions than building a whole ICE vehicle. An EV...
Forum: Aerodynamics 01-23-2023, 02:05 PM
Replies: 4,211
Views: 1,321,582
Posted By NeilBlanchard
The Aptera Delta vehicle has been revealed - Cd...

The Aptera Delta vehicle has been revealed - Cd is 0.13, I believe?

https://www.youtube.com/watch?v=PQuLuHzR52M

By the way I have a $100 deposit in on the Launch Edition, which is estimated to...
Forum: Alternative Transportation 12-09-2022, 08:25 PM
Replies: 57
Views: 12,892
Posted By beate
It is actually pretty easy to get into the Leiba....

It is actually pretty easy to get into the Leiba. Especially if You're used to the GoOne. And a lot easier than all those velomobiles with the tiny cajak-like holes.

Today it was sunny, 2 degrees...
Forum: Alternative Transportation 12-01-2022, 08:36 PM
Replies: 57
Views: 12,892
Posted By beate
A few changes. Some work on the canopy:...

A few changes.

Some work on the canopy: smoother transitions toward the frame, wider roof, and some preparations for new glass. In theory aerodynamically better, but i doubt that'll be measurable...
Forum: Alternative Transportation 11-27-2022, 09:05 AM
Replies: 29
Views: 2,997
Posted By MetroMPG
It's not QUITE as bad as it seems - I'm only...

It's not QUITE as bad as it seems - I'm only using about 60-70% of the pack capacity (trying to avoid charging past 80%, discharging below 20%).

Of course a trike would be more fun and efficient. ...
Forum: Alternative Transportation 11-15-2022, 08:34 PM
Replies: 29
Views: 2,997
Posted By MetroMPG
When I was shopping this summer, the used bikes...

When I was shopping this summer, the used bikes at good prices were being snapped up pretty quick.


This bike was up for sale longer than most, and one reason I think I snagged it is because the...
Forum: Alternative Transportation 11-15-2022, 02:14 PM
Replies: 29
Views: 2,997
Posted By MetroMPG
My new EV

It's a brand I've never heard of before - "Metakoo Cybertrack 100". (China makes e-bikes by the billions, so I'm not surprised I've never heard of it.)
...
Forum: Aerodynamics 08-23-2022, 02:17 PM
Replies: 854
Views: 65,532
Posted By Phase
70 degrees outside. No wind. Had to drive with...

70 degrees outside. No wind. Had to drive with flashers on at the lower speeds. The numbers are fluctuates because of how the hybrid system works. So worse numbers versus best numbers at the end of...
Forum: Aerodynamics 08-22-2022, 04:39 PM
Replies: 88
Views: 7,657
Posted By beate
That latest tailbox must have had a real...

That latest tailbox must have had a real aerodynamic problem - i did not notice anything significant.

BTW: here You see the latest state of the wheel housings - carbon fiber covers are underway: ...
Forum: Aerodynamics 08-04-2022, 04:44 PM
Replies: 88
Views: 7,657
Posted By beate
Yes, indeed. And that was the reason why i more...

Yes, indeed. And that was the reason why i more or less refused to consider work on the back tailing after the unsuccessful attempts. I know how it can be done better, even without improving the...
Forum: Aerodynamics 08-04-2022, 12:58 PM
Replies: 88
Views: 7,657
Posted By beate
Not quite. First of all, i am a woman (and...

Not quite.

First of all, i am a woman (and therefore more complicated...).

Moreover there is already a velomobile with fully closed wheelhouses: the CAS Milan. That's a version of the Milan...
Forum: The Lounge 07-31-2022, 03:40 PM
Replies: 40
Views: 2,122
Posted By freebeard
Can't argue with something named Flying Saucer....

Can't argue with something named Flying Saucer. :)

I saw one yesterday, driving West at sunset. Scattered Cirrocumulus clouds with 10-20% coverage, when one of them flared to 10-100X momentarily...
Forum: Aerodynamics 07-30-2022, 12:16 AM
Replies: 854
Views: 65,532
Posted By Phase
Interesting how cd 0.22 Porsche taycan uses side...

Interesting how cd 0.22 Porsche taycan uses side skirts while some other low drag cars don’t. Beautiful rear diffuser. Front splitter pretty much scoops air under the car on purpose, versus blocking...
Forum: Aerodynamics 07-29-2022, 07:33 AM
Replies: 19
Views: 2,295
Posted By jakobnev
Aero so bad it matters: ...

Aero so bad it matters:
https://www.youtube.com/watch?v=1X35-bGWpEY
Forum: Aerodynamics 07-28-2022, 11:52 AM
Replies: 854
Views: 65,532
Posted By aerohead
no one would by it

'Forget it, all we want to see is conventional silhouettes: streamlining is dead. No one will ever by it.'
Walter P. Chrysler, to automotive designer John Tjaarda, after being shown the 'Brigg's...
Forum: Aerodynamics 07-28-2022, 11:38 AM
Replies: 19
Views: 2,295
Posted By aerohead
0-60

https://www.omnicalculator.com/everyday-life/0-60I'm in the ' it's conditional' camp.
With graph paper and some starting assumptions, you could calculate your average velocity per each second of...
Forum: Aerodynamics 07-28-2022, 11:00 AM
Replies: 88
Views: 7,657
Posted By aerohead
wheelhouse volume

When a member of IHPVA, I'd spend days with Georgi, designer of the VARNA series of bikes Sam Whittingham used to hold the speed records with.
Georgi said that the 1/4-inch gap around the wheel...
Forum: Aerodynamics 07-26-2022, 10:00 PM
Replies: 88
Views: 7,657
Posted By beate
All true. But luckily the canopy in its present...

All true. But luckily the canopy in its present state is already an improvement. Which does not mean that i am not thinking about further improving it.

But the wheels actually do touch the inner...
Forum: Aerodynamics 07-26-2022, 02:03 PM
Replies: 854
Views: 65,532
Posted By Phase
Update during interstate trip with no mirrors and...

Update during interstate trip with no mirrors and wheel spats

87 degrees outside- driving into 3mph headwind according to weather app

Average speed fluctuating between 70-75 mph because of many...
Forum: Aerodynamics 07-25-2022, 12:34 PM
Replies: 54
Views: 5,814
Posted By freebeard
Did someone say piston museums? ...

Did someone say piston museums?

https://i.ytimg.com/vi/-uGiZIs96YQ/maxresdefault.jpg
https://i.ytimg.com/vi/-uGiZIs96YQ/maxresdefault.jpg
Forum: Aerodynamics 07-25-2022, 12:26 PM
Replies: 54
Views: 5,814
Posted By aerohead
'affordable' Tesla

some of the official Tesla Motors reporting points towards an eventual BEV version of the Toyota Corolla, the world's highest-selling car.
Same basic dimensions, passenger and luggage accommodation,...
Forum: Aerodynamics 07-25-2022, 11:48 AM
Replies: 88
Views: 7,657
Posted By aerohead
GoOne-3

I'm still struggling with the original 'shape' of the the trike:
* the belly should all be on the same plane.
* the belly should not slant upwards towards the rear by more than approximately...
Showing results 1 to 25 of 148

 
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