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Piston Rocket |
Category: Machinery/Equipment |
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Daniel Arlie
Palo Alto, CA US
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Page Views: 538
Votes: 9
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Entered: 09/04/2008
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This
is
a
design
for
a
rocket
that
eliminates
the
complicated
and
failure
prone
pumps,
multiple
motors,
stages
and
other
complex
fluid
and
gas
transfer
systems
normally
used
to
send
rockets
into
orbit.
It
does
so
through
the
use
of
an
articulated
rocket
motor
and
piston
assembly
whose
thrust
pushes
it
into
the
rocket’s
body
forcing
the
propellants
into
itself.
Here
they’re
ignited
to
provide
thrust
that
powers
the
mechanism
as
well
as
propelling
the
rocket.
Some
aspects
of
the
design
are:
-
As
the
rocket’s
fuel
chambers
empty,
the
used
portion
of
the
rocket
is
cast
off
in
a
sort
of
“continual
staging”
immediately
eliminating
the
weight
of
that
part
of
the
vehicle
no
longer
being
used.
-
The
fact
that
a
single
engine
is
utilized
throughout
the
flight
profile
eliminates
the
need
to
carry
heavy
multiple
motors
on
multiple
stages.
-
The
burning
of
the
aluminum
oxidizer
delivery
tube
as
it
enters
the
combustion
chamber
also
adds
additional
exhaust
mass
flow
without
raising
exhaust
temperature.
-
Since
the
mechanism
pressurizes
the
tanks
at
all
times,
there
is
no
need
to
pre-pressurise
or
re-pressurize
them
during
flight
with
exhaust
or
oxidizer
run
through
a
heat
exchanger.
-
Although
valves
may
be
utilized
to
restrict
the
flow
of
oxidizer
and
propellant
to
the
combustion
chamber
as
necessary,
an
interesting
aspect
of
this
design
is
that
as
the
load
is
heaviest,
when
the
rocket
is
first
taking
off
heavy
with
fuel
and
flying
through
thick
atmosphere,
the
pressure
imparted
to
the
propellant
tanks
and
therefore
the
amount
of
fuel
delivered
to
the
combustion
chamber
is
greatest
automatically
throttling
it’s
thrust
to
match
the
load.
-
The
simplicity
and
light
weight
of
the
design
would
cut
cost,
increase
reliability
and
may
lend
itself
to
a
single
stage
to
orbit
vehicle.
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Meet the Entrant, Daniel Arlie
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My Website: http://www.youtube.com/watch?v=LpGDg-GNYZU... |
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Number of times entering contest previously: 1
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Design Tools:
Pencil and Paper
Image rendering software
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Software used:
Strata 3D
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Daniel 's favorite design tool:
Pencil and paper. It doesn't become obsolete because a new operating system comes out.
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Daniel 's hobbies and activities:
Writing, learning about subjects way beyond my intellect, spending time with my kids and family, my weekly pool game and listening to old school heavy metal while driving my Mustang.
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What role does Daniel believe product design plays in creating a better future?
From the invention of the pointy stick that could not only feed you, but keep you from being food for something else, product design has transformed the life of man from short, brutal struggle to a stimulating journey filled with comfort and promise. The kings of a thousand years ago couldn't have hoped to live the lifestyle that product design has granted the average person in the modern world.
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Hardware used for design:
Apple, P.C.
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