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Plantation High School Team 1 FRR. Engaging students through STEM payload integration. Launch Vehicle design and dimensions. 14.2lbs / 6441.012g (without motor) 16.7lbs / 7597.5g (with motor) 94.5in. K ey design features. Nose Cone. 6 in Carbon Fiber Nose cone.
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Plantation High School Team 1 FRR Engaging students through STEM payload integration
Launch Vehicle design and dimensions • 14.2lbs / 6441.012g (without motor) • 16.7lbs / 7597.5g (with motor) • 94.5in.
Key design features • Nose Cone 6 in Carbon Fiber Nose cone Fresh from the mold Packing the mold with clay
Key design features Epoxied together with carbon fiber tape • Nose Cone Sides cut from both halves Sanded down for smooth finish
Key design features • Transition section Transitional centering ring Holes being drilled for bolts Main chute section Fiberglass bulkhead with trench
Key design features • Transition • Placed on lower mold • Epoxy is painted on • Top mold is added
Key design features • Thrust plate And fins Fiberglass cut using circular saw • Aluminum Milled using Da Vinci 3-axis CNC router
Key design features • Alt bay Endcaps • Milled using Da Vinci 3-axis CNC router Will not be Will be Tapped Tapped • Fits exactly on alt bay • Thin but strong
Key design features • Altimeter Bay *9v Batteries on opposite side Two Perfect Flight MAWD altimeters Bolted onto sled Aluminum caps • Fiberglass Rail guilds • Save space • Strong
Key design features • Other Wooden raised rail button Fiberglass motor centering ring
Motor description • Aerotech K828 • Average thrust of 825N • Burn time 2.35Sec
Rocket flight stability • CP: 72.1" from the nose cone • CG: 54.3" from the nose cone • Margin: 2.96
Simulation Results • Thrust-to-weight Ratio • 89.8 N/lbs. • Rail Exit Velocity (96in) • 99.93 ft/s.
Mass statement Payload • Total - 6348g
Recovery • Drogue Chute - 24 In • Rip-stop nylon • 68.92 ft/sec • Main Chute - 86 In • Rip-stop nylon • 19.23 ft/sec • Recovery Harness • 2000 lb kevlar shock cord
Kinetic energy • Below max of 75 Lbs/Ft
Predicted altitude • Actual • Predicted Altitude - 5540 Ft. • Motor - Aerotech K828 • Test • Predicted Altitude - 2200 Ft. • Motor – Aerotech- J504
Predicted drift Predicted Drift (Based on wind speed) • 0 MPH - 0 Ft. • 5 MPH - 361.94 Ft. • 10 MPH - 717.78 Ft. • 15 MPH - 1101.92 Ft. • 20 MPH- 1471.56 Ft. Below Max of 2,500Ft.
Test plans and procedures • Parachutes- inspected and used in test launch (Feb 16) • Shroud line connections • Recovery harness length • Ejection charges - tested outside (Feb 16) • Separation • Black powder quantity check • Payload(sensor package) - tested in separate rocket • Properly recording data • Vehicle's design, stability, and effectiveness • Test of full scale - Feb 16
Recovery system tests Full assembly of recovery system Shear pins insertion for ground test
Recovery system tests Ejection test set-up • Successful deployment and break of shear pins • 2g drogue • 1g main
Test Launch Full-scale
Full-scale Assembly Mock payload Carbon fiber Nose cone Electrical tape to prevent separation
Full-scale Assembly Top section Fiberglass bulkhead with eyebolt Transition section Putty for airtight seal
Full-scale Assembly 6 Bolts in transition to ensure tight fit keeping top and lower together
Full-scale Assembly Altimeter sled Rail guilds Alt Bay assembly
Full-scale Assembly Ejection charges Ejection charges attached to altbay via external terminal
Full-scale Assembly • Kevlar shock chord in a daisy chain • Smooth deployment • Tangle prevention.
Full-scale Assembly Ejection charges placed into the vehicle 2. Burrito folded parachute and nomex shield pushed into vehicle 3. Altimeter bay is put in place
Full-scale Assembly Steps repeated for drogue chute Shear pins inserted for both Main and Drogue section
Full-scale Assembly Assembled motor is attached to recovery harness then inserted into vehicle. Vehicle is ready for flight
Full-scale Test Flight Vehicle on launch pad Exterior Altimeter switch armed
Full-scale test flight Altimeter 1 Altimeter 2 Max Altitude : 2151 feet Drogue deploy : 2151 feet Motor- Aerotech J-540 Main Deploy : 400 feet
Full-scale Recovery Drogue Main • Shock cord and parachutes will be replaced
Payload design and dimensions -Elementary school • Collect data from egg vibrations to measure the conditions the egg under high G-forces • Egg held inside wooden prism • 5 Adjustable screws • 5 pressure sensors • Sensors connected to an Arduino Uno
Payload design and dimensions New design Same concept Each piece has size 8 hex nut in its center for screws.
Payload design and dimensions Flexiforce pressure sensor places on cylinder • Linearity (Error) < ±3% • Repeatability < ±2.5% of full scale • Hysteresis < 4.5 % of full scale • Drift - 5% per logarithmic time scale • Response Time < 5 μsec
Payload design and dimensions -Middle school • Determine if the mixture will separate faster due to the high G forces. • Two airtight containers • 3 different liquids • Control • liquides layered with no disturbance • Test • liquids mixed with servo • Video recorded
Payload design and dimensions -Middle school
Payload design and dimensions -Backup • Effectiveness of Shock absorbers • Reducing vibration during flight
Vibration Sensor Package Payload design and dimensions -Backup • Measures vibration. • Main chip: LM393, SW-18010P vibration switch. • Adjustable sensitivity • Aurduino Compatible Vibration Sensor
Payload design and dimensions -Sensor Package BMP085 Barometric Pressure Sensor ADXL335 Triple Axis Accelerometer RHT03 Temperature and Humidity Sensor Arduino Uno Microprocessor
Payload design and dimensions -Sensor Package
Payload design and dimensions -Sensor Package Barometric Pressure Sensor Temp and Humidity Sensor
Payload integration Payload holder • Three separated • sections stacked. • 2 - 12in • 1 - 4in • Middle and elementary • schools payload • Team Sensor package. • Handle to removed from Payload bay
Ground system Interfaces Altimeter Bay Schematics
Ground system Interfaces • Will be using the Vehicle Garmin Astro 220 GPS Dog tracking collar • Range of 9 miles.
Requirements Verification • All verification induced by the 2013 SLP guidelines have been meet by our team • Team works with the middle and elementary kids • - ensures all payload requirements are met and followed • Our team has recently completed out full scale test launch in palm bay FL. • Please reference the requirements charts in FRR for complete requirements verification.