Science of a model rocket launch

1. •Rocket Name: Sting RayRocket Name: Sting Ray
•Engine Size: L=4.5 cm D=.693 in.Engine Size: L=4.5 cm D=.693 in.
W=.32 ozW=.32 oz
•This slide by KateThis slide by Kate
TheodoliteTheodolite

2. Rocket HistoryRocket History
Today’s rockets are great collections of human cleverness and resources. One of theToday’s rockets are great collections of human cleverness and resources. One of the
first devises to successfully employ the principles essential to the rockets flight wasfirst devises to successfully employ the principles essential to the rockets flight was
the wooden bird. The flying business all started in 400 B.C, the n about years after athe wooden bird. The flying business all started in 400 B.C, the n about years after a
man named Hero, built a rocket like device. Hero put a sphere on top of a waterman named Hero, built a rocket like device. Hero put a sphere on top of a water
kettle. The nose cone is the leading, tapered or point section of the rocket. It helpskettle. The nose cone is the leading, tapered or point section of the rocket. It helps
reduce aerodynamic drag. By the time of the 16reduce aerodynamic drag. By the time of the 16thth
century fireworks were used duringcentury fireworks were used during
the war. A German firework maker named Johann Schmidlap invented a so calledthe war. A German firework maker named Johann Schmidlap invented a so called
step rocket that was designed to launch at higher altitudes it was so big that astep rocket that was designed to launch at higher altitudes it was so big that a
another smaller rocket was strapped on it.another smaller rocket was strapped on it.
•This slide by TheoThis slide by Theo

3. 3. Formula Slide3. Formula Slide
Speed= Distance/TimeSpeed= Distance/Time
Feet/Sec.*60 sec/min*60 min/hour*1Feet/Sec.*60 sec/min*60 min/hour*1
mile/5280 feet= miles/hourmile/5280 feet= miles/hour
Mach Number= miles/hour/768Mach Number= miles/hour/768
Rocket Elevation= Tangent*BaseRocket Elevation= Tangent*Base
This slide by KateThis slide by Kate

4. 4.Drawing4.Drawing

5. 5. Math5. Math
Speed of Rocket:69.58 feet per secondSpeed of Rocket:69.58 feet per second
69.58ft/sec*60 sec/min*6069.58ft/sec*60 sec/min*60
min/hour*mile/5280 ft=47.44 miles/hourmin/hour*mile/5280 ft=47.44 miles/hour
47.44/768= mach .0647.44/768= mach .06

6. 6. Data Table6. Data Table
AverageAverage
launch anglelaunch angle
Secs toSecs to
smokesmoke
Height ofHeight of
rocketrocket
Speed ofSpeed of
rocketrocket
54 degrees54 degrees 3.623.62 251.877251.877 69.58 f/s69.58 f/s
Speed ofSpeed of
RocketRocket
Baseline dist.Baseline dist. Speed ofSpeed of
rocketrocket
Tangent angleTangent angle
valuevalue
47.44 m/h47.44 m/h 183 ft183 ft Mach .06Mach .06 1.381.38
This slide by Kate

7. 8. Which Law Applies?8. Which Law Applies?
Newton’s Third Law applies to this rocketNewton’s Third Law applies to this rocket
launch because it states that a force alwayslaunch because it states that a force always
exerts an equal and opposite force. The forceexerts an equal and opposite force. The force
of the blast pushes the rocket into the air.of the blast pushes the rocket into the air.

8. Newton’s Laws of MotionNewton’s Laws of Motion
 First law: Every object in the state of motion tends to remain inFirst law: Every object in the state of motion tends to remain in
motion unless a force acts upon it.motion unless a force acts upon it.
 Seconds law: the relationship between an objects mass is itsSeconds law: the relationship between an objects mass is its
acceleration and applied force.acceleration and applied force.
 Third law: For every action there is an opposite and equal reactionThird law: For every action there is an opposite and equal reaction
 This slide by TheoThis slide by Theo

9. 8. Which Law Applies?8. Which Law Applies?
Newton’s Third Law applies to this rocketNewton’s Third Law applies to this rocket
launch because it states that a force alwayslaunch because it states that a force always
exerts an equal and opposite force. The forceexerts an equal and opposite force. The force
of the blast pushes the rocket into the air.of the blast pushes the rocket into the air.

10. 9. Drawing of rocket9. Drawing of rocket

11. 11. Excel Graph of groups11. Excel Graph of groups

12. 12.Pics of rocket12.Pics of rocket
 Super shot rocketsSuper shot rockets
 This slide by TheoThis slide by Theo

13. 10.Objects breaking the speed of10.Objects breaking the speed of
soundsound
 This slide by TheoThis slide by Theo

14. 13. Tangent angle chart13. Tangent angle chart
AngleAngle TangentTangent
° °° °
AngleAngle TangentTangent
° °° °
AngleAngle TangentTangent
00 0.00000.0000 3030 0.57730.5773 6060 1.73171.7317
11 0.01750.0175 3131 0.60080.6008 6161 1.80371.8037
22 0.03490.0349 3232 0.62480.6248 6262 1.88041.8804
33 0.05240.0524 3333 0.64930.6493 6363 1.96221.9622
44 0.06990.0699 3434 0.67440.6744 6464 2.04992.0499
55 0.08750.0875 3535 0.70010.7001 6565 2.14402.1440
66 0.10510.1051 3636 0.72650.7265 6666 2.24552.2455
77 0.12280.1228 3737 0.75350.7535 6767 2.35532.3553
88 0.14050.1405 3838 0.78120.7812 6868 2.47452.4745
99 0.15840.1584 3939 0.80970.8097 6969 2.60442.6044
1010 0.17630.1763 4040 0.83900.8390 7070 2.74672.7467
1111 0.19440.1944 4141 0.86920.8692 7171 2.90332.9033
1212 0.21250.2125 4242 0.90030.9003 7272 3.07673.0767
1313 0.23090.2309 4343 0.93240.9324 7373 3.26983.2698
1414 0.24930.2493 4444 0.96560.9656 7474 3.48623.4862
1515 0.26790.2679 4545 1.00001.0000 7575 3.73063.7306
1616 0.28670.2867 4646 1.03541.0354 7676 4.00914.0091
1717 0.30570.3057 4747 1.07221.0722 7777 4.32954.3295
1818 0.32490.3249 4848 1.11051.1105 7878 4.70234.7023
1919 0.34430.3443 4949 1.15021.1502 7979 5.14185.1418
2020 0.36390.3639 5050 1.19161.1916 8080 5.66795.6679
2121 0.38380.3838 5151 1.23471.2347 8181 6.30956.3095
2222 0.40400.4040 5252 1.27981.2798 8282 7.10997.1099
2323 0.42440.4244 5353 1.32691.3269 8383 8.13728.1372
2424 0.44520.4452 5454 1.37621.3762 8484 9.50459.5045
2525 0.46630.4663 5555 1.42791.4279 8585 11.415711.4157
2626 0.48770.4877 5656 1.48231.4823 8686 14.278014.2780
2727 0.50950.5095 5757 1.53961.5396 8787 19.040419.0404
2828 0.53170.5317 5858 1.60011.6001 8888 28.543728.5437
2929 0.55430.5543 5959 1.66401.6640 8989 56.916856.9168