Tuesday, March 27, 2007

Homework

1) 2000 pounds of fuel = 1 pound of payload
X pounds of fuel = 400,000
It will take about 80 million pounds.

2) Write/copy down all eleven "Model Rocket Safety Codes."

1. MATERIALS: I will only use 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.

4. LAUNCH SAFETY: I will use a countdown before launch, and will ensure that everyone is paying attention and is a safe distance or at least 15 feet away when I launch rockets with D motors or smaller, and 30 feet away when I launch larger rockets.

5. MISFIRES: If my rocket does not launch when I press the button of my of my electrical launch system, I will remove the launcher's safety interlock or disconnect its battery before allowing anyone to approach the rocket.

6. LAUNCHER: I will launch my rocket from a launch rod, tower, or rail to ensure that the rocket flies nearly straight up. I will use a blast deflector to prevent the motor's exhaust from hitting the ground, and I will cap the end of my launch rod when it is not in use.

7. SIZE: If my model rocket weighs more than one pound (453 grams) at liftoff or has more power than a single G motor, I will check and comply with Federal Aviation Administration regulations before flying.

8. FLIGHT SAFETY: I will not launch my rocket at targets 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 and in safe weather conditions, (*LITTLE OR NO WIND) and will ensure that there is no dry grass close to the launch pad (*OR IN THE FLYING FIELD).

10. 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 flameresistant or fireproof recovery system wadding in my rocket.

11. RECOVERY SAFETY: I will not attempt to recover my rocket from power lines, tall trees, or other dangerous places.

FInally I'm done. Yay!

Monday, March 26, 2007

Homework Questions

1) What is the difference between true north and magnetic north?
The difference between true north and magnetic north is that magnetic north is the direction of the earth's magnetic pole and true north is the direction of the earth's north pole.

2) What is the attitude gyro for?
The attitude gyro gives the pilot information abou the pitch and rool and also shows the aircraft in relationship to the horizon.

3) Define "arifoil."
A design meant to "cut" or flow through the air.

4) If one nautical mile = 1.15 statute miles
X nautical miles = 35.5. statute miles
35.5. statute miles is 30.9 nautical miles.

5) If one nautical mile = 1.15 statute miles
X nautical miles = 150 statute miles
150 statute miles is 130.4 nautical miles.

Sunday, March 25, 2007

Homework Questions

1) If....1 nautical mile =1.15 statute mile
5000 nautical miles= ?
5000x1.15=5750 statute miles

2) Reflect on this past week...
What did you learn, like, love, hate, want to change?
I actually learned a lot this past week. I learned how to read a flight chart by using latitude and longitude. I also learned about the different controls in a plane and where they were placed. We also learned about the different parts of a plane such as the tail, elevators, ailerons, etc. I learned about different famous flyers throughout history such as the Wright Brothers and Da Vinci. Lastly, I learned about the Bernoulli, Newtonian, and Circulation theories. Some of the stuff I really liked doing was creating the model planes and launching them off of the third story of High Tech Middle Media Arts. I also liked making modifications to the model planes and making them our own. I also liked reading the flight charts because I learned a lot. Some of the stuff I didn't enjoy was sitting through the long lectures that the guest speaker (mr. ross) talked about. SOme of it was interesting, but I would try to make them a little more interesting and active. I also think some of the handouts (the lift one) were kind of weird. I think they were trying to be funny, but being an eigth grader I thought it was cheesy. Overall just make the lectures more interesting and a bit easier to understand.

Friday, March 23, 2007

Four Questions

1) What is Occam's Razor and how can it be used in your everyday life?
Occam's Razor is whenever one can remove the impossible, what remains, how ever unlikely, [leads to] the truth.
2) Why is Ruten H. Fleet so important?
Not Sure. ?
3) What does Datum mean and what is the symbol?
Datum is the last known or current position of where the search target was. It is shaped like an hourglass, but a little pointier.
4) Why is the Red Baron plane red?
The Red Baron plane was first of all the plane that shot down other planes on the enemy side. THe plane was red because some people think it represented the blood from the people who were killed by the red baron. Also, the red baron wanted attention and to be seen by others. That way if the enemy saw a red plane they knew who it was. It created fear so the enemy would run away.

Wednesday, March 21, 2007

Homework Questions

1) What did we improve/not improve in our modifications?
For my first flight my plane did not go very far. I think this was because the clay on the tip of the nose of my plane was to heavy and not properly balanced. The plane only went 3.9 meters. On my second flight my plane went 5.9 meters. This is because I made certain modifications to my plane. Instead of having one rutter at the end, I had two. This made the plane more balanced in my opinion and helped create a stable rutter. So overall the modification was an improvement.

2) What did we do to follow the scientific method?
Observation: We watched Mr. Davis fly various model planes to get an idea of what we would be making.
Hypothesis: We estimated how far each plane would go from previous classes. SInce each plane was the same, the results would be very similar to one another.
Experiment: We flew our planes and got a series of results.
Conclusion: We figured out the average of how far each balsa glider would go.

Tuesday, March 20, 2007

Questions

Here are the questions:

1) What are the four forces of flight and how do they make a plane fly?
The four forces of flight are lift, drag, thrust, and gravity (or weight). Lift keeps a plane up in the air for a certain amount of time. Gravity pulls the plane or flying device towards the earth. Thrust propels the plane forward and also helps create more of a lift. Drag makes the plane slow down but it also helps the plane change direction.
2) Your definition of flight.
My definition of flight is what makes the plane stay in the air for a certain amount of time. It also makes sure the plane can move through the air. Basically flight is whatever makes the flying device stay in the air or stay airborne.

Wednesday, March 14, 2007

Anything You Want

I'm not sure what to write about so I'll just write about my interests. First of all, music = my life (self explanatory). I couldn't live without my ipod. It's just not possible. I like every kind of music except country. Later in life I would like to become a competitive eater. Weird kind of job, but I love to eat. I love food and my favorite food/desert is Dip n' Dots. I'm trying to learn Spanish because everyone in my family can speak it except me and also because I'm 25% Mexican. My family and I travel a lot during the summer. I've been to Germany, Sweden, England, France, Canada, Switzereland, Spain, Austria, and some other places. Everyone in my family is tall except my mom who's only 5'9 so I fit in pretty well. I'm not sure what else to talk about so I'll just stop.