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Search took 0.13 seconds. Search: Posts Made By: stcyrwm
Forum: Aerodynamics 10-16-2019, 11:39 AM
Replies: 189
Views: 108,758
Posted By slowmover
1 A pair of notes on use: 1). Baseline...

1

A pair of notes on use:

1). Baseline MPG: a loop outwards from a truckstop about 45-miles from home. Top the fuel, scale the beast, correct the tire pressure according to actual load. An RV...
Forum: Aerodynamics 10-14-2019, 10:57 PM
Replies: 189
Views: 108,758
Posted By freebeard
Oh, noes. Not again. :)

Oh, noes. Not again. :)
Forum: Aerodynamics 10-14-2019, 10:17 PM
Replies: 189
Views: 108,758
Posted By HHOTDI
Hey Bill, as i recall he had about 17' of taper...

Hey Bill, as i recall he had about 17' of taper to the BoatTail.
As for his mileage gains, i remembered he also slowed his speed down around 55 and traveled a lot of older state hwys and such so he...
Forum: Aerodynamics 10-14-2019, 01:16 PM
Replies: 31
Views: 4,482
Posted By freebeard
It's possible to overthink things. ...

It's possible to overthink things.

Undershoot and you have a bigger wake; overshoot and you have separation creeping up your posterior.

edit: You might do well to focus on construction details....
Forum: Aerodynamics 10-13-2019, 06:21 PM
Replies: 31
Views: 4,482
Posted By Hersbird
Yeah, it looks like the template wouldn't work...

Yeah, it looks like the template wouldn't work well for you.
Here it is on my VW showing how VW followed it, and how to continue the lines If I were to make a boat tail or aero trailer for it. ...
Forum: Aerodynamics 10-11-2019, 09:09 PM
Replies: 31
Views: 4,482
Posted By freebeard
I think the thread was about the broken links....

I think the thread was about the broken links. I'd refound some of them, but that was then.

Look at the Template from fore-and-aft. It's hemicircular.

One good resource is AutoSpeed -...
Forum: Aerodynamics 10-11-2019, 08:20 PM
Replies: 31
Views: 4,482
Posted By Hersbird
I tried what you were thinking initially, just...

I tried what you were thinking initially, just straight lines and made a storage box out of it all. It did help, but I couldn't hardly put anything back there as it took too much weight off the...
Forum: Aerodynamics 10-11-2019, 08:16 PM
Replies: 31
Views: 4,482
Posted By Hersbird
make the template a little smaller so it never is...

make the template a little smaller so it never is taller than the bus. The bottom line is right. Then move the template back and put the zero right at the back as that is the highest point and...
Forum: Aerodynamics 10-11-2019, 07:32 PM
Replies: 31
Views: 4,482
Posted By freebeard
The Template and Mair are antithetical. One...

The Template and Mair are antithetical. One relies on a blunted fore-body and the other does not.

edit:
Simulpost! at 4:32

"In your case a truncation, a box cavity or a base plate could be...
Forum: Aerodynamics 10-11-2019, 07:19 PM
Replies: 31
Views: 4,482
Posted By Hersbird
I think the degree needs to start at zero and...

I think the degree needs to start at zero and then taper.
Take a far away side shot and then use this tool. Just cut off the template at whatever point you want the overall length to be....
Forum: Aerodynamics 10-11-2019, 04:48 PM
Replies: 31
Views: 4,482
Posted By freebeard
How long is the short bus? Asking because...

How long is the short bus? Asking because reattachment. If it's long enough consider Mair:
https://ecomodder.com/forum/member-freebeard-albums-aero+technical-picture4769-user322-pic97-1215134663.jpg...
Forum: Aerodynamics 03-31-2019, 04:17 PM
Replies: 34
Views: 10,781
Posted By Hersbird
A big thing to keep in mind is frontal area, you...

A big thing to keep in mind is frontal area, you can get great Cd but if it has the frontal area of a standard camper (mine is almost 10 feet tall and 8 feet wide or 80 sqft) you still will be at a...
Forum: Aerodynamics 03-30-2019, 04:49 PM
Replies: 34
Views: 10,781
Posted By aerohead
top edges and sides

For crosswind stability (anti-roll moment) softening the upper edges the whole length of the trailer will help,as well as reduce drag as you see in the schematic of the bus.(hash marks)
Leading edge...
Forum: Aerodynamics 03-30-2019, 01:04 PM
Replies: 34
Views: 10,781
Posted By aerohead
% vs mpg,lead edge,min taper,cuttoff vs Cd

*A rule of thumb is,for each 10% drag reduction,you'll see a 5% increase in mpg; compared to the original Cd.
Example:lower your Cd from 0.30,to 0.15 = a 50% drag reduction,yields a 25% increase in...
Forum: Introductions 03-24-2019, 04:54 PM
Replies: 1
Views: 1,372
Posted By SmoothLoafers
Hi, good luck on the trailer!

Hi, good luck on the trailer!
Forum: Instrumentation 09-01-2016, 11:45 AM
Replies: 11
Views: 4,642
Posted By Miller88
It uses only bluetooth.

It uses only bluetooth.
Forum: Aerodynamics 06-13-2015, 07:33 PM
Replies: 29
Views: 6,544
Posted By aerostealth
http://i1378.photobucket.com/albums/ah94/John_Gilk...

http://i1378.photobucket.com/albums/ah94/John_Gilkison/20150613_171156_resized_zps84b342a0.jpg (http://s1378.photobucket.com/user/John_Gilkison/media/20150613_171156_resized_zps84b342a0.jpg.html)
...
Forum: Aerodynamics 09-01-2012, 06:40 PM
Replies: 345
Views: 403,435
Posted By a8ksh4
Project Extended Pop-Top Aerodynamic Camper Shell ('99 Tacoma)

Update with current photos:
http://ecomodder.com/forum/member-a8ksh4-albums-camper-shell-continued-again-picture5140-img-2658.jpg...
Forum: Aerodynamics 04-28-2012, 02:20 PM
Replies: 154
Views: 68,708
Posted By Ed-in-Maine
MK I Aero Teardrop trailer done

Hello All,
First I want to again thanks for all the input on the initial design. This is the MK I Aero-Teardrop trailer as ready to hit the road in two days. No time to compete the front storage...
Forum: Aerodynamics 07-13-2008, 10:35 PM
Replies: 56
Views: 62,259
Posted By Chris D.
I actually did hit a racoon LOL went under...

I actually did hit a racoon LOL went under all 3 wheels on the drivers side.. dented the drivers side trailer fender too..
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