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Model
Rocket Safety Code
The National
Association of Rocketry has developed a list of
guidelines, reprinted below, that provide additional
information about how to fly your model rockets safely
and successfully.
1.
Materials
My model rocket will be made of lightweight
materials such as paper, wood, rubber, and plastic suitable
for the power used and the performance of my model rocket.
I will not use any metal for the nose cone, body, or
fins of a model rocket.
2.
Engines
I will use only commercially-made, NAR-certified
model rocket engines in the manner recommended by the
manufacturer. I will not alter the model rocket engine,
its parts, or its ingredients in any way.
3.
Recovery
I will always use a recovery system in my
model rocket that will return it safely to the ground
so it may be flown again. I will use only flame-resistant
recovery wadding if wadding is required by the design
of my model rocket.
4. Weight and Power Limits
My model rocket will weigh no more than
1,500 grams (53 ounces) at lift-off and its rocket engines
will produce no more than 320 Newton-seconds (71.9 pound-seconds)
of total impulse. My model rocket will weigh no more
than the engine manufacturers recommended maximum
liftoff weight for the engines used, or I will use engines
recommended by the manufacturer for my model rocket.
5. Stability
I will check the stability of my model rocket
before its first flight, except when launching a model
rocket of already proven stability.
6.
Payloads
My model rocket will never carry live animals
(except insects) or a payload that is intended to be
flammable, explosive, or harmful.
7.
Launch Site
I will launch my model rocket outdoors in
a cleared area, free of tall trees, power lines, buildings,
and dry brush and grass. My launch area will be at least
as large as that recommended in the accompanying table.
8. Launcher
I will launch my model rocket from a stable
launch device that provides rigid guidance until the
model rocket has reached a speed adequate to ensure
a safe flight path. To prevent accidental eye injury,
I will always place the launcher so the end of the rod
is above eye level or I will cap the end of the rod
when approaching it. I will cap or disassemble my launch
rod when not in use and I will never store it in an
upright position. My launcher will have a jet deflector
device to prevent the engine exhaust from hitting the
ground directly. I will always clear the area around
my launch device of brown grass, dry weeds, or other
easy-to-burn materials.
9.
Ignition System
The system I use to launch my model rocket
will be remotely controlled and electrically operated.
It will contain a launching switch that will return
to "off" when released. The system will contain
a removable safety interlock in series with the launch
switch. All persons will remain at least 15 feet from
the model rocket when I am igniting model rocket engines
totaling 30 Newton-seconds or less of total impulse
and at least 30 feet
from the model rocket when I am igniting model rocket
engines totaling more than 30 Newton-seconds of total
impulse. I will use only electrical ignites recommended
by the engine manufacturer that will ignite model rocket
engines within one second of actuation of the launching
switch.
10.
Launch Safety
I will ensure that people in the launch
area are aware of the pending model rocket launch and
can see the model rocket's liftoff before I begin my
audible five-second countdown. I will not launch my
model rocket so its flight path will carry it against
a target. If my model rocket suffers a misfire, I will
not allow anyone to approach it or the launcher until
I have made certain that the safety interlock has been
removed or that the battery has been disconnected from
the ignition system. I will wait one minute after a
misfire before allowing anyone to approach the launcher.
11.
Flying Conditions
I will launch my model rocket only when
the wind is less than 20 miles per hour. I will not
launch my model rocket so it flies into clouds, near
aircraft in flight, or in a manner that is hazardous
to people or property.
12.
Pre-Launch Test
When conducting research activities with
unproved model rocket designs or methods I will, when
possible, determine the reliability of my model rocket
by pre-launch tests. I will conduct the launching of
an unproved design in complete isolation from persons
not participating in the actual launching.
13. Launch Angle
My launch device will be pointed within
30 degrees of vertical. I will never use model rocket
engines to propel any device horizontally.
14.
Recovery Hazards
If a model rocket becomes entangled in a
power line or other dangerous place, I will not attempt
to retrieve it.
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Launch
Site Dimension
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Installed
Total Impulse (N-sec)
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Equivalent
Engine Type
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Minimum
Site Dimensions (ft.)
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0.00--1.25
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1/4A, 1/2A
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50
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1.26--2.50
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A
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100
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2.51--5.00
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B
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200
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5.01--10.00
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C
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400
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10.01--20.00
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D
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500
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20.01--40.00
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E
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1,000
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40.01--80.00
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F
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1,000
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80.01--160.00
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G
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1,000
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160.01--320.00
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Two G's
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1,500
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