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Author Topic: Made and tested one of Nauldin's ideas  (Read 9998 times)

Offline Sojourner

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Made and tested one of Nauldin's ideas
« on: April 06, 2005, 01:39:59 AM »
While I was busy getting up the gumption to start building the power supply I have been accumilating parts for, I came across one of Nauldin's Lifter1.0 craft which I seems to overlook before.

It has foil doubled over foam to make the cathode thicker in volume. It also used a much narrower cathode....not much more than an inch.

Naudlin claimed 1.8 times more thrust!

I didn't have any foam that thin, so I used a little southern ingenuity and contructed a frame of balsa wood using Gorilla Glue which I have found to be lighter than and superior to any other bonding substance I have used for lifter models.

As the picture shows, I made a double rail system, which usually meant lifter failure to me in the past by being too heavy and even though I was also a tad worried (ok...more than a tad) about the weight of foil being doubled, the lifter worked! As  you may notice, I used vertical brace supports on the rails and horizontal braces at the corners.

As you will notice in the pics, mine is rather LARGE. Yes, it is about 27 inches per side! Power was from a monitor setup.
« Last Edit: April 06, 2005, 01:54:08 AM by Sojourner »

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Offline Sojourner

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Re: Made and tested one of Nauldin's ideas
« Reply #1 on: April 06, 2005, 01:41:00 AM »
Here is the finished/flying one

Offline Paul-R

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Re: Made and tested one of Nauldin's ideas
« Reply #2 on: April 20, 2005, 05:35:19 PM »
I can't get the hang of the factors which affect lift performance.
For instance, voltage will, so, if k1, k2 are constants, we can say

F=k1 x V (very crudely since I can't find a proportional symbol)

Maybe the horizontal projected area of lower foil. If so, then we say:
F=k2 x A

Can anyone expand the list to include all variables, and correct mine if
they are wrong?

Paul.

Free Energy | searching for free energy and discussing free energy

Re: Made and tested one of Nauldin's ideas
« Reply #2 on: April 20, 2005, 05:35:19 PM »
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Offline raburgeson

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Re: Made and tested one of Nauldin's ideas
« Reply #3 on: April 23, 2005, 09:41:33 PM »
You guys are ahead of me as I'm still fighting with power supplies.Noone has tested
skirts properly for cross sectional shapes or lenths that I know of.I'm busy tearing
down my last supply and getting ready for new coils, so I'm not ready to do
any such thing yet. You should wire wrap your cathode onto your frames though so
you can test with a variable gap simply by sliding it up and down the frame. (With
the power off off course). Has anyone tested a foil other than aluminium as I
haven't.

Free Energy | searching for free energy and discussing free energy


Offline raburgeson

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Re: Made and tested one of Nauldin's ideas
« Reply #4 on: April 28, 2005, 03:18:02 AM »
Soj, you didn't leave an email, so, first I hope you have had success in
moving, no broken items,all utilities up and running and so on.I thought
I might be able to give you something to think about while you are
unpacking, I'm sure you aren't ready to reassemble your lab yet.You
mentioned 3 1/2 miles an hour was a barrier in speed.Now stay with me,
if you scale the craft up to the size required to carry a man, x number of
times and figure out the scale speed 3.5 times x you might find you have
produced a sufficient first effort and may wish to produce a full sized
version.I'm fighting for voltage right now, power requirements are going
to be high for large examples of lifters and the wieght of the source is
critical.The source will affect the size, increase both the size and speed.
Just something to think about, I think 20 mph is enough to pursue the
object is to get a man up and fly a mile after that others will follow.
We're not the types to not share improvements after all. My goal is to
power a generator and I think you are closer to your goal than I am to
mine.Maybe you just need a couple encouraging words.
« Last Edit: April 28, 2005, 05:18:36 AM by raburgeson »

Free Energy | searching for free energy and discussing free energy

Re: Made and tested one of Nauldin's ideas
« Reply #4 on: April 28, 2005, 03:18:02 AM »
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Offline Sojourner

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Re: Made and tested one of Nauldin's ideas
« Reply #5 on: April 28, 2005, 01:35:33 PM »
I can't believe what happened happened but it happened. My move was cancelled. Rather diassapointing to say the least and even more dissapointing that spent all sorts of money 'scouting' for a place to live in the new area, not to mention using every spare moment and weekend for the past few weeks.

Now that we AREN'T moving, however, it has spawn the creative thinking of the' other half' and now she wants these huge home-improvement projects done around the house. (new parquet flooring and replace the windows and refinish the floors in the bedrooms. etc) Needless to say I am at a loss for time again, LOL. I can sneek in some email and such until she wakes up though  ;)

s-o-j-o-u-r-n-e-r-7-AT-g-m-a-i-l-DOT-c-o-m is my email. (lose the hyphens)

Anyway, I hope, to get some shop-time amidst some of this chaos. After a successful first prototype, I hope to get more powerful supplies and experiment getting greater speed. Manueverablility isn't everything.

oops gotta go.

Soj

 

Soj, you didn't leave an email, so, first I hope you have had success in
moving, no broken items,all utilities up and running and so on.I thought
I might be able to give you something to think about while you are
unpacking, I'm sure you aren't ready to reassemble your lab yet.You
mentioned 3 1/2 miles an hour was a barrier in speed.Now stay with me,
if you scale the craft up to the size required to carry a man, x number of
times and figure out the scale speed 3.5 times x you might find you have
produced a sufficient first effort and may wish to produce a full sized
version.I'm fighting for voltage right now, power requirements are going
to be high for large examples of lifters and the wieght of the source is
critical.The source will affect the size, increase both the size and speed.
Just something to think about, I think 20 mph is enough to pursue the
object is to get a man up and fly a mile after that others will follow.
We're not the types to not share improvements after all. My goal is to
power a generator and I think you are closer to your goal than I am to
mine.Maybe you just need a couple encouraging words.

Offline Thaelin

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Re: Made and tested one of Nauldin's ideas
« Reply #6 on: April 28, 2005, 03:05:05 PM »
    Lifters are not really my avenue of travel. I am just really wondering about how you
intend to sheild the "occupant" from the high voltages it requires to fly these craft. I
find static shocks I get from work are enough to really peve me off. Not to mention I
have an irratic heart beat and that shocks are very bad for me. If one had metal on them
"or in them in my case" that would induce a current in the body.

sugra

Free Energy | searching for free energy and discussing free energy

Re: Made and tested one of Nauldin's ideas
« Reply #6 on: April 28, 2005, 03:05:05 PM »
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Offline raburgeson

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Re: Made and tested one of Nauldin's ideas
« Reply #7 on: April 28, 2005, 04:25:01 PM »
I cringe at the metal in me statement,having been a fabricator I
know what that means.Hope to use skin effect of a cabin and of
coarse all power will have to be grounded on landing.An occupant
will have to be above or below the reaction area of course. I'd
choose below because the wieght of the power source and the
load can be used to stabilize.(center of gravity) I set off metal
detectors too, and have not experianced any harmful effects
from the (ionic wind).Per chance you have more metal in your
system than I do, I don't know you'd have to experiance the
wind yourself to see if it effects you.I experianced a power
shock before they put in a stent, and heart trouble and shocks
are a bad thing to mix.how thin can you go on the material of
a Faraday cage?
« Last Edit: April 28, 2005, 05:52:06 PM by raburgeson »

 

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