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-   -   Dr. MacCready's Lipstick On A Pig: Streamlining the forebody of cubes (https://ecomodder.com/forum/showthread.php/dr-maccreadys-lipstick-pig-streamlining-forebody-cubes-21119.html)

Frank Lee 03-23-2012 10:07 PM

Dr. MacCready's Lipstick On A Pig: Streamlining the forebody of cubes
 
Patent US3934922 - Aerodynamic drag reduction devices for surface vehicles - Google Patents

Makes me wonder if a proper visor on a cube would help?

flying kurmaster 03-24-2012 12:26 AM

very interesting reading thanks for looking for that, I am not sure how it can be done without venting it, and venting it may negate all the good. If it was not vented I would be worried about the pressure it would be under unless you bent back in to the windshield like a sideways v

drmiller100 03-24-2012 11:15 AM

this is a big deal

Patent US7784409 - Drag reducing devices for stacked intermodal rail cars - Google Patents

euromodder 03-24-2012 02:19 PM

Let me show you this :

http://farm8.staticflickr.com/7062/6...4535bfca9a.jpg

Belgian railways (NMBS/SNCF) motorcarriage with steering post.

euromodder 03-24-2012 03:04 PM

How on earth can this stuff still be patented in 2010 ?
These ideas are decades old.

aerohead 03-24-2012 03:25 PM

visor
 
Quote:

Originally Posted by Frank Lee (Post 295360)

I think it could be worked out.
Thanks for the link Frank.A rich field for thinking!:thumbup:

aerohead 03-24-2012 03:29 PM

venting
 
Quote:

Originally Posted by flying kurmaster (Post 295382)
very interesting reading thanks for looking for that, I am not sure how it can be done without venting it, and venting it may negate all the good. If it was not vented I would be worried about the pressure it would be under unless you bent back in to the windshield like a sideways v

I don't believe that it needs to be vented,but rather have some outer radius of its own which allows for flow attachment around the A-pillars and over the header.
If it creates a pool of stagnant air within its borders,the surrounding air will simply displace around it,flowing over the rounded edges.

aerohead 03-24-2012 03:32 PM

how can
 
Quote:

Originally Posted by euromodder (Post 295451)
How on earth can this stuff still be patented in 2010 ?
These ideas are decades old.

Utility patents can be re-issued,taking on a life of there own.
I'm not sure about design patents.

flying kurmaster 03-24-2012 03:47 PM

just a thought, if you had a visor with a frontal leading edge with the same diameter as the Texas tech study 5 and something and brought it back in a tear drop shape and sloped it downwards securing it at the point of the tear drop to the roof from the side with rounded or wing shaped brakcets.!! capped on the edges like an airplane wing.

slowmover 03-24-2012 04:04 PM

Quote:

Originally Posted by euromodder (Post 295451)
How on earth can this stuff still be patented in 2010 ?
These ideas are decades old.

If we (the world) dropped patent protection and all other IP nonsense after five years we'd all be better off. Immeasurably so.

Thanks, Frank. Great thread idea. Just today linked a guy from another forum to this one in re a box truck he owns. As an architecture student maybe it'll pique his interest.


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