Homework

1. All of the rockets that actually launched, went REALLY high! One went around 1,000 feet!!

2. Some of the rockets failed, either because the little straw fell off, or the wires weren't hooked up right.

Homework

1. 80,000,000 lbs of fuel.

2.

1. Materials. I will use only lightweight, non-metal parts for the nose, body, and fins of my rocket.

2. Motors. I will use only certified, commercially-made model rocket motors, and will not tamper with these motors or use them for any purposes except those recommended by the manufacturer.

3. Ignition System. I will launch my rockets with an electrical launch system and electrical motor igniters. My launch system will have a safety interlock in series with the launch switch, and will use a launch switch that returns to the "off" position when released.

4. Misfires. If my rocket does not launch when I press the button of my electrical launch system, I will remove the launcher's safety interlock or disconnect its battery, and will wait 60 seconds after the last launch attempt before allowing anyone to approach the rocket.

5. Launch Safety. I will use a countdown before launch, and will ensure that everyone is paying attention and is a safe distance of at least 15 feet away when I launch rockets with D motors or smaller, and 30 feet when I launch larger rockets. If I am uncertain about the safety or stability of an untested rocket, I will check the stability before flight and will fly it only after warning spectators and clearing them away to a safe distance.

6. Launcher. I will launch my rocket from a launch rod, tower, or rail that is pointed to within 30 degrees of the vertical to ensure that the rocket flies nearly straight up, and I will use a blast deflector to prevent the motor's exhaust from hitting the ground. To prevent accidental eye injury, I will place launchers so that the end of the launch rod is above eye level or will cap the end of the rod when it is not in use.

7. Size. My model rocket will not weigh more than 1,500 grams (53 ounces) at liftoff and will not contain more than 125 grams (4.4 ounces) of propellant or 320 N-sec (71.9 pound-seconds) of total impulse. If my model rocket weighs more than one pound (453 grams) at liftoff or has more than four ounces (113 grams) of propellant, I will check and comply with Federal Aviation Administration regulations before flying.

8. Flight Safety. I will not launch my rocket at targets, into clouds, or near airplanes, and will not put any flammable or explosive payload in my rocket.

9. Launch Site. I will launch my rocket outdoors, in an open area at least as large as shown in
10. Materials. I will use only lightweight, non-metal parts for the nose, body, and fins of my rocket.

11. Motors. I will use only certified, commercially-made model rocket motors, and will not tamper with these motors or use them for any purposes except those recommended by the manufacturer.

12. Ignition System. I will launch my rockets with an electrical launch system and electrical motor igniters. My launch system will have a safety interlock in series with the launch switch, and will use a launch switch that returns to the "off" position when released.

13. Misfires. If my rocket does not launch when I press the button of my electrical launch system, I will remove the launcher's safety interlock or disconnect its battery, and will wait 60 seconds after the last launch attempt before allowing anyone to approach the rocket.

14. Launch Safety. I will use a countdown before launch, and will ensure that everyone is paying attention and is a safe distance of at least 15 feet away when I launch rockets with D motors or smaller, and 30 feet when I launch larger rockets. If I am uncertain about the safety or stability of an untested rocket, I will check the stability before flight and will fly it only after warning spectators and clearing them away to a safe distance.

15. Launcher. I will launch my rocket from a launch rod, tower, or rail that is pointed to within 30 degrees of the vertical to ensure that the rocket flies nearly straight up, and I will use a blast deflector to prevent the motor's exhaust from hitting the ground. To prevent accidental eye injury, I will place launchers so that the end of the launch rod is above eye level or will cap the end of the rod when it is not in use.

16. Size. My model rocket will not weigh more than 1,500 grams (53 ounces) at liftoff and will not contain more than 125 grams (4.4 ounces) of propellant or 320 N-sec (71.9 pound-seconds) of total impulse. If my model rocket weighs more than one pound (453 grams) at liftoff or has more than four ounces (113 grams) of propellant, I will check and comply with Federal Aviation Administration regulations before flying.

17. Flight Safety. I will not launch my rocket at targets, into clouds, or near airplanes, and will not put any flammable or explosive payload in my rocket.

18. Launch Site. I will launch my rocket outdoors, in an open area at least as large as shown in the accompanying table, and in safe weather conditions with wind speeds no greater than 20 miles per hour. I will ensure that there is no dry grass close to the launch pad, and that the launch site does not present risk of grass fires.

19. Recovery System. I will use a recovery system such as a streamer or parachute in my rocket so that it returns safely and undamaged and can be flown again, and I will use only flame-resistant or fireproof recovery system wadding in my rocket.

20. Recovery Safety. I will not attempt to recover my rocket from power lines, tall trees, or other dangerous places.
21. and in safe weather conditions with wind speeds no greater than 20 miles per hour. I will ensure that there is no dry grass close to the launch pad, and that the launch site does not present risk of grass fires.

22. Recovery System. I will use a recovery system such as a streamer or parachute in my rocket so that it returns safely and undamaged and can be flown again, and I will use only flame-resistant or fireproof recovery system wadding in my rocket.

23. Recovery Safety. I will not attempt to recover my rocket from power lines, tall trees, or other dangerous places.

Homework

1. True North is the direction of the earth's north pole. Magnetic North is the direction earth's magnetic pole.

2. Relation of the miniature airplane to the artificial horizon bar. Alignment.

3. Any shape that is designed to "cut" through the air.

4. 30.87 miles

5. 130.43 miles

Homework

1. 5,750 regular miles.

2. I so far have really liked everything that we have been doing. I have learned SO much this week. I don't want to change anything with this intersession, and I love it a lot!

Home Work

1. Occam's Razor is "Whenever one can remove the impossible, what remains, however unlikely, [leads to] the truth. I think that it can be used because if we look at something, and don't know what it is we might say it can't be ice cream, because it smells like chicken. We eliminate the impossible. Also, if you hear a boom outside, you don't think of a nuclear bomb, or a UFO, you might think maybe thunder.

2. Ruben H. Fleet was the founder of air mail (using airplanes to deliver mail from far away), and he also helped out in the community of San Diego, and helped make it what it is today. He now has a science center named after him.

3. Datum means the last or current position of the lost person. It looks like a hourglass, but it is green.

4. The Red Baron's plane was red, so people would be intimidated by it. And it was also red so people knew that it was the Red Baron after them.

Homework

1. The Bernoulli effect is when lower pressure makes the air go faster, so the in the Bernoulli effect, when the air moves out of the way to go up, the air goes faster, thus making lower air pressure.





2.
Yaw- Nose left/right
Pitch- Nose up/down
Roll- Wings bank left/right
Dihedral- V-Shape
Static- Air that doesn't change
Dynamic- Air that does change
Aerodynamic- Having a shape that is not very affected by wind flowing through it.

Homework

1. My first plane was very boring, so I decided to make it look cooler, so I put two wings, instead of the normal one. I also put more vertical stabilizers in the plane, I put 3 instead of one. My first plane went 6.8 meters, but my second one went 6.5 meters. I was surprised, because my second one had a lot of drag, so I thought it would go about 4 meters.

2. Observation- The plane was not really going that straight, and kept hitting walls. Question- I wonder if the plane will go straighter if I put more vertical stabilizers? Hypothesis- The vertical stabilizers, and the extra wing will make the plane go straighter. Experiment- The plane ended up going very straight, and ended up going 6.5 meters far! The second longest. Conclusion- A plane with more vertical stabilizers, and an extra wing makes the plane go straighter, but puts more drag on the plane, so it doesn't go that fast.

Homework

What are the 4 forces of flight and how do they make a plane fly?:
The forces are lift, thrust, gravity, and drag. Lift lifts up the plane and makes it go up, thrust forces the plane forward, gravity brings the plane down, and drag slows the plane down.

Your Definition of flight:
I think that flight is when the air in some way helps the object go in the air, by lifting it or thrusting it, not just barging through the air.

This is my first homework, and I have to write about anything that I want, so I am going to talk about this intersession. I think that the intersession will be very fun, and I really hope to be able to go into the airplane, because that seems really fun. I also want to use the flight simulators, and I want to make a rocket. I don't know that much about rocket science even though my great-grandpa was one, so I hope to learn a lot in this intersession, and I know that I will have a blast in it.

Hello

Hi people, this is a test to see if my blog works :-)