T-870-INTE Mjölnir Fuel and nozzle team Milestone presentation Instructor: Joe Foley Students: Ingi Mar Jónsson, Jóhannes E. Valberg Sverrir Haraldsson Department of Science and Engineering (TVD) Reykjavík University April 28, 2014
T-870-INTE MjölnirFuel and nozzle team
Milestone presentationInstructor: Joe Foley
Students: Ingi Mar Jónsson, Jóhannes E. ValbergSverrir Haraldsson
Department of Science and Engineering(TVD)
Reykjavík UniversityApril 28, 2014
● Introduction
● Requirements
● Explosives
● Orders in progress
● RockSim Simulations
● Launchpad
Overview of the Talk
● Status
● Next Steps
Introduction
● Explosives○ Seminar○ Coast Guard
● Rocket motors○ 98 mm○ 38 mm
● External Rocket body○ Custom Rebel Space ○ Broken Arrow 5 XP
● Launchpad
Figure www.briandevlin.com
Requirements
● Safety at all times (fuel/engine, launch tactics and more)
● Able to carry ~4 kg payload
● Ultimate goal of reaching altitude of 6+ km
● Stable flight pattern○ Center of gravity placed within 3 - 5 x diameter of rocket total center of
area.
Explosives
● Seminar○ regulations○ basic theories○ calculations for industrial use
of explosives
● Coast guard ○ quick overview of how to
handle live unstable rockets○ what to do and what not to do
in the field
Orders in progress
● Pro98 Wrench
● Pro98 4 Grain Hardware Set○ 4 Grain casing, Forward Closure, Nozzle Holder, Retaining Ring and
Closure Set.
● Pro98 4 Grain Reload Kit, White○ Dimensions 98 x 702 mm ○ Total Impulse 10.366,9 Ns○ Maximum Thrust 2216,4 N○ Burntime 5,89 s○ Total Weight 5.727 g
● Estimated cost○ 480.000 ISKr
Figure:http://www.rebelrocketry.com/shop/product_info.php?info=p607_Pro98-4-Grain-Hardware-Set.html
Figure:http://www.rebelrocketry.com/shop/product_info.php?info=p198_Pro98-Wrench.html
Orders in progress
● Pro38 2 Grain Motor Case
● Pro38 2 Grain Reload Kit, White○ Dimensions 38 x 186 mm ○ Total Impulse 269,1 Ns○ Maximum Thrust 127,5 N○ Total Weight 325,3 g
● Estimated cost○ 30.000 ISKr
Figure:http://www.rebelrocketry.com/shop/product_info.php?info=p3124_Pro38-2G-269-H110-WH-14A-Reload-Kit--White.html
External Rocket Body
● Rebel Space Level 3 Custom kit○ Includes GPS, Altimeter, Recovery Setup ○ 102 x 2813 mm○ Estimated dry weight 5,5 kg○ 12.000 EUR + shipping
● Broken Arrow 5 XP from ProLine○ Level 2 - 3 rocket for K to N motors○ G12 Airframe○ 98 mm motor mount○ 127 x 3040 mm○ Dry weight 11 kg○ Delivered!
Figure:http://rocketrywarehouse.com/product_info.php?products_id=651
RockSim simulation
Launchpad
● Designed in SolidWorks○ Based on previous design○ Adjustable base○ Security tilting mechanism ○ Material ordered
Status
● Rocket motors have been ordered○ In shipping ○ Delivered to Kemis for storage
● Rocket Bodies○ Broken Arrow XP5 rocket has arrived, requires assemble○ 38 mm test rocket has arrived, requires assemble○ Custom Rebel Space rocket ordered
● Explosives seminar○ Finished○ B license acquired
● Launchpad○ Design finished○ Waiting for material
Next steps
● Assemble launchpad (02.05.14)
● Write safety and pre-launch procedures (05.05.14)
● Internal design and assembling of mounting mechanism (09.05.14)
● Assemble rocket (09.05.14)
● Launchpad setup (13.05.14)
● Rocket Launch (14.05.14)
End of presentation
Thank you
QUESTIONS?