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**Written for A
Broad, Targeted, “Interested, Audience” -- for Historic Insight**

Purposely
inexpensive, so everyone interested can have a copy, $15, + Postage,
this **Double Book**, back to back, will come to be seen as, would
you believe, a several ways **Historic milestone **breakthrough, a
benchmark in our final understanding of Flight, Aerodynamics, and
certainly Propellers, that took 142 years, 1865 to 2007. Seven
Historic Giants of Science and Technology had worked 83 years, 1865
to 1948, but by **Theodorsen’s 1948 Historic Masterpiece,
Theory of Propellers**, had Produced **an essentially exact theory
and solution,** for the most complex problem in Aerodynamics,
Propellers, **Historic**. Wildly, no one ever understood! Why,
How? Completing **Goldstein’s 1929 rare genius 3D flow
solution**, math at the outer limits of human comprehension, and**Theodorsen’s own genius**, the mathematics snowed
everyone, we Aero Engineers included, and significantly, in 1948,
everyone of consequence was rushing off to Jets! It will come to be
seen as __ the greatest oversight in our conquest of Flight and
Aerodynamics__,

Snowed,
no one ever caught on that both Sidney Goldstein and Theodore
Theodorsen ended with **a simple Blade Loading Chart**, hence the**Half Teardrop Blade Loading core here**, and T.T.’s,
understandable Algebra, for heavy loading, a faster thrown Velocity,
right at the prop blade, the ~ Exact Real World Case!

Understanding
that **Propellers were the only unexplained Fundamental in Flight
and Aerodynamics**, **Historic,** **Jack Norris**, see Bio,
and **Dr. Andy Bauer**, one of the 4 core Aerodynamicists at
Douglas Long Beach, took the problem of explaining propellers on as a
hobby, retirement, Ultimate Intellectual Challenge. Roughly half
time, for two old pros, “Who Could”, two lifetimes of
experience and insight, over a decade, maybe 20,000 hours together,
it was a 1 to $2,000,000 “Give Back” project at
consulting rates. We went through everything of consequence ever done
in Propeller Analysis, __found all the shortcomings__, **discovered
Betz, Goldstein, Theodorsen**, grasped the **essentially EXACT
SOLUTION, **say 1%, as good as it gets. Thus, clearly a **Historic
breakthrough**, we went on, a hobby challenge, finished the decade
long work, and the Book, here for you!

We
Computer programmed the **rare genius work, ran all the professional
level studies**, reduced this most complex problem in Flight and
Aerodynamics to the **understandable, Horse Sense Insight of What is
Happening Physically** to a: **1. Rotating Wing**, **2.
Pulling in and Throwing Back High Mass Flow Rates of Air**, far
heavier than you ever realized, and **3. an Airscrew**, which
teaches us High Pitch, Advance is Best. If there is any genius here,
it is making the ultimate challenge in Aerodynamics easy, **Easy
Enough**!

The
books are **Superemphasized, bold**, like this, so the incisive
insights that you are trying to grasp, learn, literally **jump off
the page at you**, __purposely__ not normal writing, rather the**Bull’s eye, Incisive Insights of what is happening
Physically, jumping** **off the page, to help everyone who is
interested to** **understand.** Essentially **NO MATH, **it’s
the result of a $1,000,000+ professional study to get it down **to
the Horse Sense of What is Happening Physically**, because we
professionals who never understood the core insights, need that as
much as novices. We found normal writing style does not work.
Novices blow right through marvelous insights that took 142 years to
publication, to find. Help the interested reader, and he can get it.
**The Book is Targeted for the “Interested Reader who wants
to understand”**, will think, reread, grasp it!

Look
at the first page of this website. Very incisively, Headlines really,
in a few inches, it tells you we have a rock solid basis to **create
essentially ****Exact, Perfect Props****, the ****Tapered
Blade Family**** of, (you’ll learn, ****all 6 way)
Optimized Props****. Correct Pitch, Twist, we get an Optimum
Angle of Attack. NO MATH, the computer does it all for us. Second,
it tells you the never understood Core Problem in Props is that a****Rotating Wing is a Lost Thrust,**__ __**Violent
Tip Vortex Loss Disaster****, ****fixed by the Tapered
Tip****. IF YOU ARE INTERESTED, STARTED TO GET THE HORSE
SENSE THERE, feel you could get more with all the help possible, ****the
book is right for you****, ****and you are right for the
book****!**

The
book is __not__ written for all of the 650,000 *Not Curious*Pilots, not everyone. It is written for those who are **interested
in understanding**, **Flight, Propellers**, and with a little
thinking, quite possibly rereading, **can grasp the Incisive
Physical Horse Sense Insight **of the First Page - **Your Entry
ticket to HISTORIC INSIGHT!**

**How
Smart do you have to be?** **Just smart enough to grasp the
Simple, Pretty much Horse Sense Logic** of: **What is Happening
Physically**, **Superemphasized to jump off the page at you**,**giving plenty of Help.**