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Search took 0.01 seconds. Search: Posts Made By: trebuchet03
Forum: Aerodynamics 12-18-2008, 03:38 AM
Replies: 38
Views: 25,232
Posted By trebuchet03
I did a quick scan of the thread and didn't see...

I did a quick scan of the thread and didn't see this addressed.

The worst possible thing you can do, from a heat transfer perspective, is to have laminar flow through a heat exchanger (such as a...
Forum: EcoModding Central 10-29-2008, 11:07 PM
Replies: 45
Views: 13,085
Posted By trebuchet03
I've been meaning to put a squeegee in my car... ...

I've been meaning to put a squeegee in my car...

So it doesn't exactly freeze in Central Florida... But the every morning there's a heavy coat of condensation from the temperature change and...
Forum: EcoModding Central 10-29-2008, 10:00 AM
Replies: 56
Views: 17,902
Posted By trebuchet03
My response.... Prove it :rolleyes: I've...

My response....
Prove it :rolleyes:

I've got 20-25K miles on my tires inflated to 55 front, 50 rear.... Wear has been even, I still have more than half of my tread left.

Plus, I live in an...
Forum: Saving@Home 10-29-2008, 09:23 AM
Replies: 9
Views: 3,418
Posted By trebuchet03
Nope, load it all at the same time.... 1....

Nope, load it all at the same time....

1. That food needs X amount of energy to cool down. Slowly adding does not change the number "X" - when you use that energy doesn't matter, you're still...
Forum: Aerodynamics 09-14-2008, 11:15 PM
Replies: 77
Views: 45,650
Posted By trebuchet03
Filling in wake is something that doesn't have...

Filling in wake is something that doesn't have any research behind it (at least, I haven't been able to find anything despite searching for it). The reason for them, and the decades of research...
Forum: Instrumentation 05-04-2008, 10:16 PM
Replies: 41
Views: 22,159
Posted By trebuchet03
Real time updating 3d maps! Let me plot data...

Real time updating 3d maps!

Let me plot data of velocity (x) rpm(y) and fuel consumption (z).. Or maybe load on the y.... Whatever the case, I want to be able to change what is displayed on each...
Forum: Alternative Transportation 05-04-2008, 10:11 PM
Replies: 73
Views: 69,916
Posted By trebuchet03
:D This happens every year :p We design, build,...

:D This happens every year :p We design, build, compete... Then someone says it looks like something that we've never seen and/or considered :p

Well, at least you didn't call it a pizza butt :D...
Forum: Aerodynamics 04-16-2008, 03:16 PM
Replies: 30
Views: 25,983
Posted By trebuchet03
Just going to chime in here to the original post...

Just going to chime in here to the original post with this....

http://ecomodder.com/forum/attachment.php?attachmentid=592&stc=1&d=1208372369

That's a Noble M12 GTO

We measured the diffuser...
Forum: Aerodynamics 04-10-2008, 08:33 PM
Replies: 29
Views: 14,218
Posted By trebuchet03
Ornithopter ...

Ornithopter

http://upload.wikimedia.org/wikipedia/commons/4/41/Skybird.gif

I have no doubt, that if Da Vinci had the proper materials available - he'd have been successful :D

Or the...
Forum: Aerodynamics 04-10-2008, 07:08 PM
Replies: 106
Views: 90,579
Posted By trebuchet03
Gotcha :thumbup: I'm still working on a...

Gotcha :thumbup:

I'm still working on a converting a pretty complete model of my car... Once done, I can do the same test :thumbup:
Forum: Aerodynamics 03-05-2008, 01:19 PM
Replies: 46
Views: 106,746
Posted By trebuchet03
More pictures/info on hyper car!!! please :D

More pictures/info on hyper car!!! please :D
Forum: Alternative Transportation 02-24-2008, 11:56 PM
Replies: 73
Views: 69,916
Posted By trebuchet03
Building an HPV Fairing

It's that time of year again! It's time to make our fairing for this year's competition. We've been designing for the better part of 6 months, now it's crunch time and time to manufacture. I'll keep...
Forum: Hypermiling / EcoDriver's Ed 02-24-2008, 12:28 AM
Replies: 76
Views: 54,383
Posted By trebuchet03
Can you substantiate that claim? ...

Can you substantiate that claim?

Technically, yes - it does. About ~5 seconds worth of extra fuel for a v6, more for a 8 and less for a 4 cylinder (this according to the Florida section of ASME) ;)
Forum: Aerodynamics 02-21-2008, 05:16 PM
Replies: 14
Views: 33,740
Posted By trebuchet03
A Crash Course in Aerodynamics and an Introduction to Turbulence

Rather than sporadically give information in posts... Let me take a moment to explain a few things with respect to aerodynamics, cD and a few terms that go with that.... Basically, I'm about to...
Forum: Aerodynamics 02-06-2008, 11:03 AM
Replies: 4
Views: 2,226
Posted By trebuchet03
^^ I've seen oil used too :) the only...

^^ I've seen oil used too :)

the only problem with water, oil, etc. is that it's surface tension interferes... This makes it good for looking at bulk flow - but not so much for sporadic flow...
Forum: EcoModding Central 02-03-2008, 11:59 PM
Replies: 35
Views: 7,096
Posted By trebuchet03
Didn't happen to me :D I did quite a bit of...

Didn't happen to me :D I did quite a bit of driving in LA two weeks ago. I was doing quite a bit of anti-traffic driving too, and surprisingly, less people cut in front as compared to Orlando or...
Forum: General Efficiency Discussion 01-13-2008, 03:00 AM
Replies: 70
Views: 14,579
Posted By trebuchet03
From the BBC article posted a few days ago ...

From the BBC article posted a few days ago

http://newsimg.bbc.co.uk/media/images/44347000/jpg/_44347603_tata_car_416.jpg

Looks like it's mechanically (not just design) limited to 70km/hr. I...
Forum: The Lounge 12-08-2007, 04:15 PM
Replies: 2
Views: 1,666
Posted By trebuchet03
Published for what? I won a contest on...

Published for what?

I won a contest on instructables... and can now claim an award winning recipe and apparently I'll be making an appearance in some women's magazine this month (I think).... Does...
Showing results 1 to 18 of 18

 
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