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Search took 0.11 seconds. Search: Posts Made By: bwilson4web
Forum: Off-Topic Tech 01-02-2024, 01:19 PM
Replies: 4
Views: 476
Posted By freebeard
17.71654 in inches?

17.71654 in inches?
Forum: Aerodynamics 12-27-2023, 12:29 PM
Replies: 24
Views: 1,462
Posted By aerohead
' start taking a lot '

It appears to be completely 'relative', as some don't consider aerodynamic drag as something which would inform their thinking or behavior at all....
Forum: Aerodynamics 12-11-2023, 10:15 AM
Replies: 37
Views: 2,515
Posted By aerohead
'gap'

I watched a YouTube about a 'pre-delivery' Cybertruck in which the narrator removed one of the wheel covers by hand, to reveal the 2-pc construction. The outer cap looks like vacuum- thermo-formed...
Forum: Aerodynamics 12-02-2023, 01:58 PM
Replies: 23
Views: 1,479
Posted By freebeard
It's easier to get a 50% improvement at the low...

It's easier to get a 50% improvement at the low end of the scale.
Forum: Aerodynamics 12-01-2023, 01:11 PM
Replies: 22
Views: 1,646
Posted By Vekke
Today had a Gigafactory Berlin factory tour and...

Today had a Gigafactory Berlin factory tour and there was new model 3 higland there on the yard

Air curtains are still there ;)

Behind the bumber and air inlet at the front bumber air intake...
Forum: Aerodynamics 11-30-2023, 06:48 PM
Replies: 37
Views: 2,515
Posted By Phase
Seems like taping the slots on my Ioniq wheel...

Seems like taping the slots on my Ioniq wheel aero discs gives about 1 extra mpg at moderate speeds then based on the Cd reduction
Forum: Aerodynamics 11-20-2023, 11:49 AM
Replies: 37
Views: 2,515
Posted By aerohead
'Tesla Model 3 wheel aero'

Bob, I believe that you're the first to do un-ventilated wheel covers on the Model 3 ( I like it! ).
Back in 2018, Robert Palin, who'd been Tesla's aerodynamicist for all Tesla cars, except the...
Forum: Aerodynamics 11-07-2023, 08:17 AM
Replies: 111
Views: 6,024
Posted By CapriRacer
The problem here is that tire size doesn't have...

The problem here is that tire size doesn't have as much effect as the tread rubber does.

Put another way, the variation between tires of the same size is way, way bigger than the difference...
Forum: Aerodynamics 10-07-2023, 12:39 PM
Replies: 111
Views: 6,024
Posted By j-c-c
I stand corrected, my earlier reference to the...

I stand corrected, my earlier reference to the coefficients was wrong, I was misreading significant figures I suppose. :confused:
Forum: General Efficiency Discussion 09-21-2023, 11:04 PM
Replies: 14
Views: 666
Posted By milo
Smile Have you looked at the YouTuber Bmwi3diy? he does...

Have you looked at the YouTuber Bmwi3diy? he does lots of camping in his 15' rex, And the reclining seat idea reminds me a lot of the urban suite idea they had at CES2020.
Forum: General Efficiency Discussion 09-21-2023, 05:18 PM
Replies: 14
Views: 666
Posted By Ecky
I appreciate the vinyl license plate - I've never...

I appreciate the vinyl license plate - I've never heard of such a thing.

Realistically, weight and electrical savings are going to be far less significant for economy than (visible) aerodynamic...
Forum: General Efficiency Discussion 09-21-2023, 04:37 PM
Replies: 14
Views: 666
Posted By milo
Turtle Help me eco mod my i3!

I have a 2014 i3 with about 75k miles but a brand new battery. I've already ordered new LED high beams, and it has the 429 turbine wheels. I'm planning on getting the Ecopia ep500s which are summer...
Forum: General Efficiency Discussion 09-21-2023, 10:17 AM
Replies: 3
Views: 308
Posted By Piotrsko
Note: standard day for aircraft has a much lower...

Note: standard day for aircraft has a much lower temperature iirc, 59f. Not sure what difference that makes in an electric vehicle with cooled batteries.

Otherwise, cool concept
Forum: Aerodynamics 12-24-2021, 12:36 AM
Replies: 88
Views: 8,032
Posted By Isaac Zachary
Energy per mile can be derived from EPM=½ × p x...

Energy per mile can be derived from
EPM=½ × p x V² x Cd x A

You don't have to do the math. Just plug in the numbers here: https://ecomodder.com/forum/tool-aero-rolling-resistance.php

I...
Forum: EcoModding Central 04-08-2021, 09:05 AM
Replies: 130
Views: 110,498
Posted By Vekke
A runs are north direction and B runs south...

A runs are north direction and B runs south direction. So you need to calculate ((a+b) /2)*0,96 to correct tire size error= result.

Units are kwh

Wind ruins the measurement accuracy fast so...
Forum: EcoModding Central 04-07-2021, 02:33 AM
Replies: 130
Views: 110,498
Posted By Vekke
I did also pressure testing in my electric ID3 at...

I did also pressure testing in my electric ID3 at 100km/h speed with 195/55r20 Nokian Hakkapeliitta R2 winter tires. There optimal pressure was not higher than recommended. I found optimal pressure...
Forum: General Efficiency Discussion 10-02-2020, 03:15 PM
Replies: 298
Views: 29,691
Posted By aerohead
fatality

With no infrared emission, the Tesla may not have even recognized the lifeless dummy as a sentient being.
Let's see if the Mannequin Defense League goes for a class-action lawsuit.:p
Forum: General Efficiency Discussion 09-22-2020, 07:47 AM
Replies: 106
Views: 17,632
Posted By jakobnev
The Nikola drive line is going to work fine once...

The Nikola drive line is going to work fine once they figure out how to build roads like this:
https://i.ytimg.com/vi/OdZI7sxUO4c/maxresdefault.jpg
Forum: General Efficiency Discussion 09-06-2020, 05:57 PM
Replies: 10
Views: 1,808
Posted By Hersbird
So you are counting the maximum possible...

So you are counting the maximum possible depreciation cost by trading in after one year as a cost against the Prius? Are you only allowing the Prius to be used in EV mode? That seems like an unfair...
Forum: General Efficiency Discussion 09-06-2020, 04:21 PM
Replies: 10
Views: 1,808
Posted By Hersbird
Not to be picky but your Prius Prime would have...

Not to be picky but your Prius Prime would have made a 714 mile trip in 11 hours and cost the same $25 in "charging". Not sure how you get 1/2 the cost per mile. How long did those Model 3 tires last...
Forum: Hybrids 03-02-2019, 10:22 PM
Replies: 22
Views: 3,828
Posted By Ecky
Someone has to buy these cars for me at full...

Someone has to buy these cars for me at full price, as I'm certainly not going to.

:turtle:

Although I doubt I'll ever buy a new car from a dealer, in a rather abstract way I'm excited at the...
Forum: Hybrids 03-30-2018, 08:27 PM
Replies: 3
Views: 1,097
Posted By cRiPpLe_rOoStEr
Makes me remind of some media reports about...

Makes me remind of some media reports about people running straight ethanol in gasoline-powered cars in 2001, before the first flexfuels hit the market in Brazil. My stepmother's older son once...
Forum: Hybrids 03-27-2018, 12:56 AM
Replies: 843
Views: 328,430
Posted By Bill the Engineer
First... I am OK save for some sore ribs from...

First... I am OK save for some sore ribs from where the airbag hit me in the chest.
Thank GOD my passenger and I were wearing our seatbelts. I won't let the car move without everyone buckled. My...
Forum: Hybrids 02-15-2017, 01:21 AM
Replies: 10
Views: 3,173
Posted By SoobieOut
Well I bit the bullet and bought a BumbleBee...

Well I bit the bullet and bought a BumbleBee battery. Replaced the old one and sent back the core. So far I'm amazed at the power, as well as restored the MPG to 44 MPG.

The battery is suppose...
Forum: Hybrids 12-07-2016, 10:17 AM
Replies: 93
Views: 18,958
Posted By MetroMPG
The King is dead: Hyundai Ioniq (58 MPG US EPA combined) beats Prius ECO rating (56)

http://ecomodder.com/forum/attachment.php?attachmentid=21014&stc=1&d=1481123713

Looks like the rumours that Toyota had delayed the release of its 4th gen 2016 Prius to make it as efficient as...
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