rocketry motion students will participate in the construction of a self- made rocket. requirements...
TRANSCRIPT
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Rocketry Motion
• Students will participate in the construction of a self-made rocket.
• Requirements-- Listen Carefully to each direction.-- Keep up with your assigned responsibility.-- Be a helpful group member for your team’s state
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Who Builds the Rocket?• Each team is identified by
a state.• Team’s will build rockets
with their state logo and with each crewmember’s name carefully printed on the rocket’s fuselage.
• Note: Fuselage is the technical name for the rocket’s main body. An aircraft also has a fuselage.
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What Will the Rocket be Made Out of?• General Materials Used
are as follows:1. Computer Paper
2. Red Stick Tape3. Corks4. Balsa Wood5. Large Paper Clip6. Wood Tail Fins7. Wood Glue 8. School Glue9. Plastic Parachute10. String11. Plastic Streamer12. Battery Charge13. Paint14. Engines, Contacts and plugs15. Alligator Clips For Igniter16. Water
17. Future Items
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What Tools are Needed to Make the Rocket?
• Tools Used:1. Triangle & ¾’’ Circle2. Scissors3. Pliers4. Surgical or exacto Knife5. Wood Dowels6. Scales7. Sponges8. Sand Paper9. Meter/yard Stick
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When Will The Rockets Be Made
• NowA Few Days Counting Launch and Post Lab.
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Where Will The Rockets Be Made
• Mr. Mac’s ClassroomNote: Prior to launching one of your team members may take the rocket home and paint it with model paint or spray paint. Verify with your parent.
OSHA codes will not allow painting at school because certain kinds of paint contain hazardous materials that are dangerous to human health without proper protective gear.
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Why Will The Rockets Be Made
• You have studied motion and Newton’s Laws a lot.
• This lab will cover the areas studies as well as prepare you for other higher-order thinking science labs.
• Team work is an important skill and to make a rocket exercises such skills.
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How Are The Rockets Made and Launched?
Rockets will be made and launched by following a series of steps.
First: Make the Body Tube.
Next: Make your nose cone.
Third: Make your engine retainer.
Fourth: Prepare and install fins.
Fifth: Rig parachute or streamer system.
Sixth: Attach rocket to battery pack and launcher.
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How Are The Rockets Made?
Rockets will be made by following a series of steps.
Step 1:Get into your group and stay seated until everyone has found their group.
Step 2: Each team starts with a piece of computer paper.
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How Are The Rockets Made?
Step 3: Teams identify your materials in your state box and designate a student to put everything away during clean up. Show Mr. Mac when you are finished. Then return to your desk area and wait to be dismissed.
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RocketryConstruct Body Tube
4. Mark and cut your computer paper at
3 ¼ inches x 11 inches
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RocketryConstruct Body Tube
5. Take Your Wood Dowel and use it to roll the body of your rocket.
You require school glue.
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RocketryConstruct Body Tube
6. Now, mark and cut a piece of red tape at 11 inches and moisten it. Roll the red tape to your rocket body.
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RocketryConstruct Body Tube
7. Mark and cut a piece of red tape at 18 inches.
8. Using the triangle, mark and cut your 45 degree angle.
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RocketryConstruct Body Tube
7. Moisten your 18 inch red tape and prepare to roll it over your body tube.
8. Remember to roll at a 45 degree angle and do not stop once you start.
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RocketryConstruct Body Tube
9. After your body tube has dried for 24 hours cut the red tape so that it is even with the computer paper.
10. Let Mr. Mac demonstrate how to make the cut before you make your cut.
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Nose Cone
• Take small cork and large cork and using wood glue, glue the corks together. Let dry for 24 hours.
• Safety: Groups must complete balsa wood cuts with Mr. Mac Observing.
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Nose Cone
• Using ¼ inch circle, mark out your balsa block. • Leave your mark and very carefully slice the balsa• Sand balsa as appropriate; make symmetrical• Glue balsa with wood glue to cork and let sit for
24 hours.• DO NOT make nose cone smaller than body tube• Safety: Groups must complete balsa wood cuts
with Mr. Mac Observing.
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• Get big paper clip!• Straighten out paper clip!• Bend with pliers attached to paper clip.• Dimensions are listed below:
1¼ inches by 2¾ inches by ¼ inches.
Engine Retainer
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• Get three pre-cut tail fins!• Sand properly making a point on the trailing edge
as well as the leading edge!• Sand about half way through on each side down
to a point. Paint them for less air resistance attach to body tube with wood glue using template.
Tail Fins
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• Take a piece of computer paper
• Make the following marks:
Tail Fin Template
120 Degrees
¾ Inch Circle
☆Glue tail fins to the 120 degree marks. Let glue dry for 3 min before applying.
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• Use retainer to hold engine in place.• Using 3/16” drill make hole approximately 2
¾” up from the bottom of the body tube• Drill completely through the body tube• Do not drill into a tail fin.
Install Engine Retainer.
Drill Hole For
1 ¼” Engine retainer side
¼” side of engine retainer.
2 ¾” side of engine retainer. If too short or long, adjust with fingers so it fits.
Body TubeBody Tube
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• Use retainer to hold engine in place.• Engine contacts are connected to the motor in the
following way:• Slide motor in tube and plug (yellow) contacts so
they are positioned against engine explosives.
Install Rocket Motor
Bottom View of Rocket Engine
Contacts that will connect to
alligator clips.
Plug
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• Motor burn for two 3 second spans.• Burn one: Propels rocket off ground.• Burn two: Explodes causing an exothermic
reaction inside the body tube.• Explosion causes nose cone to pop out and
recovery system to deploy.
Rocket Motor Info.
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Materials
String
Rubber band
1” x 18” streamer
1” x 1” square piece of paper
School Glue
Build Recovery System
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Procedure: ★ Cut two pieces of 10” string ★ Place drop of glue in center of 1” by 1” paper. Fold in half with end of string positioned in center. Place second drop on ½” by 1” paper and fold again making a ¼” by ¼” attachment base.
Build Recovery System
Attachment Base Glued inside Body Tube
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Procedure: ★ Tie string that has attachment base to one side of a rubber band with a surgeon’s knot followed by a square not. Trim to 1/8”. ★ Tie second string to other side of the same rubber band using a surgeon’s knot followed by a square knot. Trim to 1/8”.
Build Recovery System
Rubber band Streamer
Attachment Base
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Procedure: ★ Roll streamer up using a pencil. Do not place in body tube until pre-launch inspection.
★ Glue attachment base to inner side of body tube. Let dry for at least 1 hour.
Build Recovery System
Rubber band Streamer
Attachment Base
Body tube
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Procedure: ★ Using hot glue gun, glue a 1 ½”
Piece of a straw to the side of the body tube. ★ Tip: Make sure that the igniter contacts are routed on the opposite side of the body tube’s straw.
Build Recovery System
Straw
Body Tube
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Procedure: ★ Make Streamer:Cut out a piece of plastic that is 1” x 18” in length and using masking tape attach your recovery lanyard to the side that is opposite to the attachment base.
Build Recovery System
Streamer
1”18”
3 pieces of masking tape
Recovery Lanyard
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Procedure: ★ Make Streamer:Cut out a piece of plastic that is 1” x 18” in length and using masking tape attach your recovery lanyard to the side that is opposite to the attachment base.
Build Recovery System
Streamer
1”18”
3 pieces of masking tape
Recovery Lanyard
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1. Cut a ¾” square of wadding and carefully push it well into the body tube. Note: Never use toilet paper or tissue paper; they are flammable.The wadding is a barrier designed to keep from burning up your recovery system and nose cone.
Pre Launch Inspection
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2. One person represents the team and sits at the lab table with rocket in front.
3. On teacher’s command, the engines are inserted in the body tube and tightened in by adjusting the engine retainer.
Pre Launch Inspection
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4. Then, the teacher assists students installing igniter contacts and yellow plugs.
5. Next, students carefully place their rolled streamer and recovery system into the body tube.
6. Last, students carefully place their completed rockets into a cargo box that the teacher will use to transport rockets to launch pad.
Pre Launch Inspection
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1. Construction—My model rocket will be made of lightweight materials such as paper, wood, plastic and rubber. Without any metal as structural parts.
2. Engines—I will use only pre-loaded factory made model rocket engines in the meaner recommended by the manufacturer. I will not change in any way nor attempt to reload these engines.
3. Recovery—I will always use a recovery system in my rockets that will return them safely to the ground so that they may be flown again.
4. Weight Limits—My model rocket will weigh no more than 453 grams (16 oz) at lift off. And the engines will contain no more than 113 grams (4 oz) of propellant.
5. Stability—I will check the stability of my model rockets before their first flight except when launching models of already proven stability.
6. Launching system—The system I use to launch my model rockets must be remotely controlled and electrically operated and will contain a switch that will return to “off” when released. I will remain at least 20 feet away from any rocket that is being launched.
7. Launch safety—I will not let anyone approach a model rocket on a launcher until I have made sure that either the safety interlock key has been removed or the battery has been disconnected from my launcher.
8. Flying conditions—I will not launch my model rocket in high winds, near buildings, power lines, tall trees, low flying aircraft. Or under any conditions which might be dangerous to people or property.
9. Launch Area—My model rockets will always be launched from a clear area free of any easy to burn materials and I will only use non-flammable recovery wadding in my rockets.
10. Jet Deflector—My launcher will have a jet deflector device to prevent the engine exhaust from hitting the ground directly.
11. Launch Pad—To prevent accidental injury I will always place the launcher so the end of the rod is above eye level or cap the end of the rod with my hand when approaching it. I will never place my head or my body over the launching rod. When my launcher is not in use I will always store it so that the launch rod is set in an upright position.
12. Power Lines—I will never attempt to recover my rocket from a power line or other dangerous place.
13. Launch Targets & Angle—I will not launch rockets so their flight path will carry them against targets on the ground and will never use an explosive warhead nor a payload that is intended to be flammable. My launching device will always be pointed within 30 degrees of vertical.
14. Pre-Launch Test—When conducting research activities with unproven designs or methods, I will when possible determine their reliability through pre-launch tests. I will conduct launchings of unproven designs in complete isolation from persons not participating in the actual launching.
Model Rocketry Safety Code
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4. Weight Limits—My model rocket will weigh no more than 453 grams (16 oz) at lift off. And the engines will contain no more than 113 grams (4 oz) of propellant.
5. Stability—I will check the stability of my model rockets before their first flight except when launching models of already proven stability.
6. Launching system—The system I use to launch my model rockets must be remotely controlled and electrically operated and will contain a switch that will return to “off” when released. I will remain at least 20 feet away from any rocket that is being launched.
• Launch safety—I will not let anyone approach a model rocket on a launcher until I have made sure that either the safety interlock key has been removed or the battery has been disconnected from my launcher.
• Flying conditions—I will not launch my model rocket in high winds, near buildings, power lines, tall trees, low flying aircraft. Or under any conditions which might be dangerous to people or property.
• Launch Area—My model rockets will always be launched from a clear area free of any easy to burn materials and I will only use non-flammable recovery wadding in my rockets.
• Jet Deflector—My launcher will have a jet deflector device to prevent the engine exhaust from hitting the ground directly.
• Launch Pad—To prevent accidental injury I will always place the launcher so the end of the rod is above eye level or cap the end of the rod with my hand when approaching it. I will never place my head or my body over the launching rod. When my launcher is not in use I will always store it so that the launch rod is set in an upright position.
• Power Lines—I will never attempt to recover my rocket from a power line or other dangerous place.
• Launch Targets & Angle—I will not launch rockets so their flight path will carry them against targets on the ground and will never use an explosive warhead nor a payload that is intended to be flammable. My launching device will always be pointed within 30 degrees of vertical.
• Pre-Launch Test—When conducting research activities with unproven designs or methods, I will when possible determine their reliability through pre-launch tests. I will conduct launchings of unproven designs in complete isolation from persons not participating in the actual launching.
Model Rocketry Safety Code
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7. Launch safety—I will not let anyone approach a model rocket on a launcher until I have made sure that either the safety interlock key has been removed or the battery has been disconnected from my launcher.
8. Flying conditions—I will not launch my model rocket in high winds, near buildings, power lines, tall trees, low flying aircraft. Or under any conditions which might be dangerous to people or property.
9. Launch Area—My model rockets will always be launched from a clear area free of any easy to burn materials and I will only use non-flammable recovery wadding in my rockets.
• Jet Deflector—My launcher will have a jet deflector device to prevent the engine exhaust from hitting the ground directly.
• Launch Pad—To prevent accidental injury I will always place the launcher so the end of the rod is above eye level or cap the end of the rod with my hand when approaching it. I will never place my head or my body over the launching rod. When my launcher is not in use I will always store it so that the launch rod is set in an upright position.
• Power Lines—I will never attempt to recover my rocket from a power line or other dangerous place.
• Launch Targets & Angle—I will not launch rockets so their flight path will carry them against targets on the ground and will never use an explosive warhead nor a payload that is intended to be flammable. My launching device will always be pointed within 30 degrees of vertical.
• Pre-Launch Test—When conducting research activities with unproven designs or methods, I will when possible determine their reliability through pre-launch tests. I will conduct launchings of unproven designs in complete isolation from persons not participating in the actual launching.
Model Rocketry Safety Code
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10. Jet Deflector—My launcher will have a jet deflector device to prevent the engine exhaust from hitting the ground directly.
11. Launch Pad—To prevent accidental injury I will always place the launcher so the end of the rod is above eye level or cap the end of the rod with my hand when approaching it. I will never place my head or my body over the launching rod. When my launcher is not in use I will always store it so that the launch rod is set in an upright position.
12. Power Lines—I will never attempt to recover my rocket from a power line or other dangerous place.
• Launch Targets & Angle—I will not launch rockets so their flight path will carry them against targets on the ground and will never use an explosive warhead nor a payload that is intended to be flammable. My launching device will always be pointed within 30 degrees of vertical.
• Pre-Launch Test—When conducting research activities with unproven designs or methods, I will when possible determine their reliability through pre-launch tests. I will conduct launchings of unproven designs in complete isolation from persons not participating in the actual launching.
Model Rocketry Safety Code
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13. Launch Targets & Angle—I will not launch rockets so their flight path will carry them against targets on the ground and will never use an explosive warhead nor a payload that is intended to be flammable. My launching device will always be pointed within 30 degrees of vertical.
14. Pre-Launch Test—When conducting research activities with unproven designs or methods, I will when possible determine their reliability through pre-launch tests. I will conduct launchings of unproven designs in complete isolation from persons not participating in the actual launching.
Model Rocketry Safety Code
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1. Students line up on sidewalk and face woods.
2. Teacher watches wind direction and attempts to keep rockets within field area
3. Recovery teams will collect rockets after they have landed, NEVER BEFORE!
Launch Procedure
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4. Students must remain 20 feet from the rocket.5. Student team leader will push the launch button
on the signal. NOTE: When pushing the button, Push and count…1, 1000, 2, 1000, 3. The button must be pressed for at least 2 seconds.
6. Do not quickly press the button like a gun’s trigger. There will not be enough time to initiate the igniter.
Launch Procedure
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7. The rocket is on the stand and the students must shout 5, 4, 3, 2, 1 and blast off. At that precise moment, the button is pressed for at least a 2 second duration.
8. Safety key not used until everyone is listening and ready.
Launch Procedure
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1. Time rocket spends airborne.
2. Altitude data if available.
Launch Contest
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How Does a Model Rocket Work?
4. Coasting Period
2. Lift Off
1. Ignition
3. Burnout
5. Apogee6. Streamer or Parachute Ejection
7. Soft Landing
RocketryRocketry
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• Teams will gather the time durations of the other rockets and make bar graphs that reflect each rocket’s status.
• Winning team gets a small prize.
• All teams get to keep rockets. Rockets are to be taken home by team elected student.
Assignment
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• Fill in the blank quiz.
• 1. When making a paper rocket, how many pieces of paper are used? _________.
• 2. How many pieces of red tape were used? _________.
• 3. What was used to hold the engine in place? _________.
Rocketry Lab Quiz
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• Fill in the blank quiz.• 4. When making your rocket what did you glue to
the bottom of your nose cone? _________.• 5. When describing a tail fin you know that the
leading edge is in front, what do you call the edge on the bottom? ________________________.
• 6. What type of glue was used to attach the tail fins to the rocket’s body tube? ____________.
Rocketry Lab Quiz
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• Fill in the blank quiz.• 7. When you used the triangle, how many degrees
did you mark the second piece of red tape before you made your cut? _________.
• 8. What caused the rocket’s engine to ignite? ______________________________________.
• 9. What was the name of the system that the rocket used on its way down to the ground? ______________________________________.
• 10. If each block had 8 teams and there are 5 blocks, how many teams were there in all? ____.
Rocketry Lab Quiz