Вот история американца, который в 15 лет сам сделал ЖРД на азотной кислоте с анилином и запустил на нём ракету на несколько миль. После этого он работал в ракетных фирмах
США, года два назад вышел на пенсию.
I built my first liquid-fuel rocket, in the early 1950s, with fairly
basic farm tools (oxy-acetylene and arc welder, grinders, drill press,
good hand tools), and occasional help from the high school metal shop
instructor (I was a 15-year-old junior).
That device, propelled by RFNA/aniline, employed a pressurized feed
system, simple manually-actuated ("pull the string") valves, and
attained just over 100 lbf thrust for about 10 sec. It managed to reach
several miles in altitude. [.jpg photo, text avail on request]
Note that
all the components and raw materials were very much
off-shelf in a small California farm town (Salinas) during a post-war
era; in those days a variety of nifty war surplus items were sold
widely, at super-cheap prices, including small pressure tanks suitable
for one-shot rocket propellant tanks. Heliarc technology was not
available there then, and what I learned was to keep every single item
simple, simple, simple--and strong, strong, strong.
It took less than one year, with little outside help, to make the whole
thing. The (parts) cost was less than $175 (1950-dollars); maybe
400-500 hours went into it. Almost
all the technology was scaled down
from the published reports of GALCIT and Caltech-JPL. (I had already
ready everything in print by and about Dr Robert Hutchings Goddard, and,
in those days the bane of security classification was just gaining hold
in the rocket sciences; anything done at GALCIT/JPL was then, de facto,
public domain. I 'made friends' [read socially engineered] via
correspondence with Howard Seifert and others who had access to what I
needed in the way of data, and used their formulae and parameters for a
lot of 'my own' design.)
You too can, if you are inclined, make friends with people who know how
to do what you want to do, and show them you are responsible, serious,
and dedicated to learning. It's an age-old principle that still works.
Works wonders, in fact.
There is no substitute, in my experience, for finding and working with a
master of the art, craft, or science you are interested in. Making
oneself a protégé in a mentorship relationship is an express route to
career success and progress.
Of course, you are looking for here-and-now, practical how-tos, and that
is fine also.
I suggest you find existing 'models' (working rockets, past or present)
of designs you wish to emulate or advance. Pick two or three that
fascinate you, and BUILD A SCALE MODEL of the rocket you want to
realize.
Build it carefully, and precisely to scale, with 'real' tanks, valves,
payload, motor(s), airframe, guidance, etc. Doing this is an education
in itself.
Before you build it, even to scale, learn drafting--if you have not yet
mastered technical drawing. This means using old-fashioned paper
(vellum, if you can afford it) and T-square, triangles, templates,
compasses, etc. Draw the unit you wish to build, very detailed and
accurately.
Learn to resource components that you do not intend to build (maybe
valves, actuators, etc). Make a parts list as you go, listing
suppliers, specs, etc. Develop a plan of research and development.
Keep a journal of everything. A scale model, with excellent scale
technical drawings
and a bill of materials is the launching pad for
gaining wider support of your project; these give something people can
see and touch and feel, and they demonstrate, in reality, you are
serious.
And, maybe above all, remember that R & D begins with an "R;" research
is only dry if you are not really involved with and deeply interested in
whatever you are researching. It boils down to dedication, commitment,
and perseverance.
And, maybe, more than a little luck.
Edward Jones, PhD
Semi-retired rocket scientist