rear wings on boats
07-21-2005 | 06:11 PM
#51
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From: KC/LOTO
Re: rear wings on boats
Originally Posted by Pointerman
Always one moron in the crowd bashing a particular brand because it's less expensive than their brand of choice. How fast is fast enough to be considered a performance boat? Let us know please. Or is it that you can't be a performance boat without steps? If that's the case then many boat manufacturers weren't performance boats until more recent years (Cigarette being one of them).
so your opinion is right and his is wrong? everybody has their own perspective on things... "performance" is respective to what your used to i guess, run 130+ MPH cats all the time and a 70 MPH ride doesn't seem that fast anymore... and i don't think anybody brought up steps?
07-22-2005 | 08:26 AM
#53
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From: ST. Louis, MO, USA
Re: rear wings on boats
And here I just thought you worked on boats and vettes. 
Those 2 alone will take up all your time.
Very cool stuff. I love following those technologies. Well... as best you can on Discovery or TLC.
Gary
Those 2 alone will take up all your time.Very cool stuff. I love following those technologies. Well... as best you can on Discovery or TLC.
Gary
Originally Posted by GregP
I've designed several airplanes to fly and explore Mars, our proposals havn't made it through the mission selection cut yet, but we're working on it.
07-22-2005 | 09:12 AM
#54
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From: Annapolis MD
Re: rear wings on boats
Gary, Here is a small blurb on some of our Mars work, part of my "paying" job to fund all the other toy projects. - Greg
http://www.nasa.gov/lb/centers/ames/...-airplane.html
http://www.nasa.gov/lb/centers/ames/...-airplane.html
07-22-2005 | 12:56 PM
#55
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From: Manteca, CA
Re: rear wings on boats
Originally Posted by Sean H
so your opinion is right and his is wrong? everybody has their own perspective on things... "performance" is respective to what your used to i guess, run 130+ MPH cats all the time and a 70 MPH ride doesn't seem that fast anymore... and i don't think anybody brought up steps?
Everyone else here was having an interesting and informative discussion on what Baja has been testing. I just didn't see why one person needs to ruin a good thread by attacking the manufacturer.
07-22-2005 | 01:52 PM
#56
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Re: rear wings on boats
Originally Posted by GregP
Wings produce lift (more accurately a normal force) and drag (axial force). If the camber/angle-of-attack is "up" it make lift ala an airpalne. If it is down it creates downforce ala race cars. If you put it vertically it creates side force (like in direct sideforce generators for advanced fighter aircraft). It's the same wing, same physics. Just point the force the direction that you want it.
Oh, and if you rotate it "just right" it produces thrust for a propeller or lift again for a helicopter rotor.
"Streamlining" is the coloqial term for minimumizing drag or disturbance to the airflow. Now days it's just called drag reduction.
I won't get into boundary layers and viscous -vs- induced drag as it's time for lunch.
-Greg
Oh, and if you rotate it "just right" it produces thrust for a propeller or lift again for a helicopter rotor.
"Streamlining" is the coloqial term for minimumizing drag or disturbance to the airflow. Now days it's just called drag reduction.
I won't get into boundary layers and viscous -vs- induced drag as it's time for lunch.
-Greg
I was waiting for you to find this thread. When are you going to calculate the lift of the beak again
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