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Search took 0.06 seconds. Search: Posts Made By: razordave
Forum: Aerodynamics 12-04-2023, 04:31 PM
Replies: 34
Views: 2,241
Posted By COcyclist
Welcome razordave. The New Beetle has pretty...

Welcome razordave. The New Beetle has pretty poor aerodynamics as you are aware. The biggest problem is the rounded roofline leading into a too steep back glass. I am including a drawing from...
Forum: Aerodynamics 10-19-2023, 11:46 AM
Replies: 34
Views: 2,241
Posted By aerohead
'cowl'

I performed a complete wiper and cowl delete for Spindletop at Bonneville, and at 98.5-mph, it made zero difference.
A cowl delete plus Dodge Viper windshield reduced the drag of Spirit by Cd 0.005....
Forum: Aerodynamics 10-19-2023, 11:37 AM
Replies: 34
Views: 2,241
Posted By aerohead
' Kamm back?'

In order to be a 'K-form' roofline, the extension would have to add to, and respect the amount of roof and plan-view camber already established by Volkswagen, then performing the elongation along a...
Forum: Aerodynamics 10-18-2023, 01:18 PM
Replies: 34
Views: 2,241
Posted By freebeard
Follow Colani: ...

Follow Colani:

https://ecomodder.com/forum/member-freebeard-albums-concepts+ii-picture5537t-colani-desktop.jpg
Forum: Aerodynamics 10-18-2023, 02:58 AM
Replies: 34
Views: 2,241
Posted By freebeard
How's the visibility? Does it attach to the hatch...

How's the visibility? Does it attach to the hatch or the roof?
Forum: Instrumentation 10-14-2023, 01:12 PM
Replies: 5
Views: 1,206
Posted By CigaR007
That would be the ideal scenario. Problem is...

That would be the ideal scenario. Problem is finding a flat and long section of road...

I inquired with a local testing ground facility (oval circuit) and they do not grant access to the general...
Forum: Instrumentation 10-13-2023, 11:41 PM
Replies: 5
Views: 1,206
Posted By CigaR007
Decided to log multiple sensors on today's trip....

Decided to log multiple sensors on today's trip. Below is a scatter chart representing the fuel consumption vs the ignition timing. From what I have read, a higher ignition timing usually translates...
Forum: Aerodynamics 10-13-2023, 11:29 PM
Replies: 24
Views: 7,473
Posted By freebeard
This could go in the VW Finally thread, but I...

This could go in the VW Finally thread, but I wanted to break it out of The Lounge, so Zombie thread!
PART 14! Ian Roussel CHOPS THE TOP Of A 1968 VW Bug Radical Custom...
Forum: Instrumentation 10-06-2023, 01:29 PM
Replies: 5
Views: 1,206
Posted By CigaR007
My Torque Pro setup

I initially had a bluetooth elm327 obd2 adapter but quickly realized that such a setup was providing limited performance in terms of PID read speed. The BT device was only capable of displaying and...
Forum: EcoModding Central 09-27-2023, 08:14 PM
Replies: 10
Views: 730
Posted By blownb310
I saw a Bolt EV with a set of the same 165/80R15...

I saw a Bolt EV with a set of the same 165/80R15 Mach 1 Thunderer tires [and downsized 15" Sonic wheels], in place of the original 215/50R17. Guy was a hypermiler and said that he saw a nice increase...
Forum: Aerodynamics 09-25-2023, 10:49 AM
Replies: 20
Views: 1,183
Posted By aerohead
fly in the ointment

In a past thread here, years ago we discussed the Audi A2, which was aero-modded by Chalmers University at MIRA in 2012.
One of the tricks they tried in the wind tunnel was was 'lowering.'
The A2...
Forum: EcoModding Central 09-14-2023, 02:41 PM
Replies: 10
Views: 730
Posted By freebeard
Tall goes with narrow, to give an equivalent...

Tall goes with narrow, to give an equivalent contact patch.

Too tall would impact the frontal area of the whole [presumed] fender, not just the tire. Thus the six-wheel Tyrrell P34.
Forum: EcoModding Central 09-14-2023, 10:17 AM
Replies: 10
Views: 730
Posted By aerohead
'clarity'

Historically, all low-drag concept cars have employed 'narrow' tires.
In the past, GM's Pontiac Division, and Subaru both demonstrated a direct correlation between tire width and drag.
The 2014...
Forum: Aerodynamics 09-14-2023, 12:57 AM
Replies: 5
Views: 1,330
Posted By darcane
Insight w/ Aero camping trailer spotted

Is this any of you guys?
Forum: EcoModding Central 09-13-2023, 04:55 PM
Replies: 10
Views: 730
Posted By freebeard
Wheels either center on the bore or on the bolt...

Wheels either center on the bore or on the bolt circle. If it's the bolt circle, you could hog them out with a grinder. What do they look like?
Forum: EcoModding Central 09-13-2023, 04:13 PM
Replies: 10
Views: 730
Posted By Isaac Zachary
I find skinny tires to work better in snow. I'm...

I find skinny tires to work better in snow. I'm not sure how that affects rolling resistance.

Narrow tires should be more aerodynamic.

From what I understand there's a point of diminishing...
Forum: EcoModding Central 09-08-2023, 09:04 AM
Replies: 0
Views: 279
Posted By Vekke
Vekke/Vesa Tiainen/Tuneko car projects picture galleries

Maybe this helps to find more easily details/pictures from my projects:
https://www.facebook.com/ekotuning/photos_albums (http://www.facebook.com/ekotuning/photos_albums)

There you can find:...
Forum: Aerodynamics 09-07-2023, 02:22 PM
Replies: 5
Views: 568
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: Aerodynamics 09-07-2023, 01:55 PM
Replies: 1
Views: 274
Posted By freebeard
https://hips.hearstapps.com/hmg-prod/images/polest...

https://hips.hearstapps.com/hmg-prod/images/polestar-o2-ev-roadster-concept-107-1646231580.jpg

Must be a Carson-style liftoff top?
Forum: Aerodynamics 09-07-2023, 12:08 PM
Replies: 1
Views: 274
Posted By aerohead
2027 Polestar 6

The 2027, Polestar 6, fastback coupe, 2+2, by Max Missoni and Thomas Ingenlath , will have ' no rear window at all.'...
Forum: Aerodynamics 09-07-2023, 11:51 AM
Replies: 5
Views: 568
Posted By aerohead
Automotive designer Adrian Clarke on low drag

'(Cd) 0.13, it's way too far out there for the mainstream acceptance.'
Adrian Clarke, designer, THE AUTOPIAN, circa March 29, 2022....
Forum: Aerodynamics 09-05-2023, 11:10 AM
Replies: 34
Views: 2,241
Posted By aerohead
airplane car

That side bulging associated with the wheels would utterly destroy the aerodynamics. And as discussed, if a cop or highway patrol officer saw that there was no DOT Laminate Safety Glass embossment or...
Forum: Aerodynamics 09-05-2023, 01:38 AM
Replies: 1,306
Views: 163,220
Posted By cRiPpLe_rOoStEr
With that horseshoe shaped grille, looks like...

With that horseshoe shaped grille, looks like what a Bugatti equivalent to the GM Futurliners could be...
Forum: Aerodynamics 09-04-2023, 02:39 AM
Replies: 34
Views: 2,241
Posted By freebeard
https://duckduckgo.com/i/f58fc22d.jpg ...

https://duckduckgo.com/i/f58fc22d.jpg
https://en.wikipedia.org/wiki/Piper_Aerostar (https://en.wikipedia.org/wiki/Piper_Aerostar)

That's the one the guy in Cedar Flat had (it's gone now). The...
Forum: EcoModding Central 08-28-2023, 08:57 PM
Replies: 7
Views: 516
Posted By redpoint5
Ocean/coastal application is ideal as it rarely...

Ocean/coastal application is ideal as it rarely freezes in the lower 48.

I have to relocate the battery inside since it freezes here. That means I have to find space for it, which the glove box...
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