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UF Hybrid Rocket Teams Mile High Club Brought to you by Chris Leonard, Ty Morton, Sam Darr, and Josh Childs.

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Presentation on theme: "UF Hybrid Rocket Teams Mile High Club Brought to you by Chris Leonard, Ty Morton, Sam Darr, and Josh Childs."— Presentation transcript:

1 UF Hybrid Rocket Teams Mile High Club Brought to you by Chris Leonard, Ty Morton, Sam Darr, and Josh Childs

2 Full Scale Test Rocket Thrust to weight ratio: 41.52

3 Vehicle Design Changes Length increased by 12 inches to make overall length 68 inches Four body tubes will be used instead of the original three The bulkheads will be decreased in length to 0.5 inches to decrease weight The nose cone is hollowed out to provide room for the main ejection charge

4 Future Tests and Construction Rebuild motor segment – Fins will be identical to those lost – Segment length will be increased by 1 inch Construct a new launch rail out of aluminum, maintaining 7 foot rail height – New rail will be more stable and easier to use – Previous launch tower failed for various reasons

5 Full Scale Flight Test (PerfectFlite)

6 Full Scale Flight Test (Raven)

7 Miscellaneous Flight Data Rail Exit Velocity: 110 ft/sec Parachute Size: 60 inches Parachute Deployment Altitude: 600 feet Descent Rate: 13 ft/s

8 Miscellaneous Flight Data (Raven)

9

10 Manufacturer Thrust Data Average Motor Thrust: 1300 Newtons

11 Dual Deployment Test Charges are located in each red square The charge in the motor section blew at apogee but was too powerful, shearing shock cord Charge in the nose cone blew once rocket had descended to 600 ft, successfully slowed rocket to safe descent speed

12 Recovery Materials Used 20 ft of elastic shock chord (10 in both sections) One 60in X-form Parachute Green Fiber blow-in natural fiber insulation Dry cleaner hangers Pyrodex powder E-matches Paper towel Tape Hot glue

13 Ejection tests Test NumberSpecsResultsComments 11.5 inch length hanger tube, Copper head igniter Successful: exploded from both ends Initial test to check if ejection charge design was viable 21.5 inch split-end tube, 1.1 gram pyrodex charge, Estes igniter Successful: top of test section blown, weight launched into the air First test using test chamber 31.5 inch hanger tube, 1.2 gram pyrodex charge, copper head igniter Successful: top of test section blown, weight launched into the air Conducted in test chamber, more energetic than test 2 42 inch hanger tube, 1.7 gram pyrodex, copper head igniter, Kevlar run through test chamber Successful: top of test section blown, weight launched into the air, Kevlar chord intact Conducted in test chamber, Kevlar is viable for use as parachute chord 51.5 inch hanger tube, 1.4 gram pyrodex charge, Estes igniter, conducted in booster tube of scale rocket, dog barf insulation Charge was far too powerful for the tube, kicked out the top of the motor, insulation confirmed to work Amount of powder used was based on tests for the full scale rocket: scale rocket diameter of 38mm, full scale diameter is 54mm

14 Strain gage testing- test the strain gauges and data loggers with simulated loads. Payload integration:


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