1 / 89

Colorado Space Grant Consortium

Gateway To Space ASEN / ASTR 2500 Class #14. Colorado Space Grant Consortium. One minute:. Announcements:. Announcements:. Announcements:. Announcements:. Today:. Announcements CDR Presentation Template One Minute Reports Launch Vehicles Next Classes - CDR. Announcements:.

leone
Download Presentation

Colorado Space Grant Consortium

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Gateway To Space ASEN / ASTR 2500 Class #14 Colorado Space Grant Consortium

  2. One minute:

  3. Announcements:

  4. Announcements:

  5. Announcements:

  6. Announcements:

  7. Today: • Announcements • CDR Presentation Template • One Minute Reports • Launch Vehicles • Next Classes - CDR

  8. Announcements: - Grades will be posted on Tuesday morning

  9. Critical Design Review: • - Slides are due next Tuesday at 8:00 for all teams • Each team will have 9 minutes + 5 minutes for Q/A • Teams 2, 4, 6, 8, and 10 will present on Tuesday • Teams 1, 3, 5, 7, and 9 will present on Thursday • Movies do not embed in powerpoint and make sure it is in *.ppt format. • 37 days until launch

  10. CDR General Comments: - Marv Luttges

  11. One Minute Reports: Rocket History II - Where is Rocket History now? - If we need to order more hardware later, can we? - How do we get cohesion in our group? - Is the HOBO necessary? - How does attitude control work on a rocket? - What is the best way to cut foam core?

  12. Hands-on: Construction and Integration - BalloonSats are commonly made of foam core - Foam core is a simple, low cost composite panel - You will use hot glue and Xacto knives to create your box - There is a OK way of building with foam core - Cut individual pieces and glue them together - This way works but is not the best and requires more “belts and suspenders”

  13. BalloonSat Construction: - There is a BETTER way of building with foam core - Requires algebra and geometry - See paper in back of your course book -

  14. BalloonSat Construction: - When cutting foam core, remember you are cutting through three layers - Best to cut each layer individually - Go slow, use metal edge ruler - Be mindful

  15. BalloonSat Construction: - Step 1: Layout box design on foam core sheet In the interest of time, each team will be given a pre-traced foam board (black with labels)

  16. BalloonSat Construction: - Step 2: Cut it out

  17. BalloonSat Construction: - Step 2: Cut it out

  18. Hands-on: Construction and Integration - Draw center lines between inner and outer lines - All edge cuts are at 45 degree angles to the centerline - Cut inside edges first and only through top paper and foam not bottom paper (hinge) - Cut outside edges last but all the way through - Go Slow and don’t cut the tables - Please dispose of Xacto blades properly

  19. Hands-on: Construction and Integration

  20. Hands-on: Construction and Integration - Cut holes for switch and camera lens - Cut hole through center for balloon attachment tube

  21. BalloonSat Construction: - Step 3: Practice integration and make modifications Hold box together and figure out how much insulation you want to use. Will affect how your components sit in box

  22. BalloonSat Construction: - Step 4: Glue it together and strengthen corners - Your template was designed using the “Better Method” - After gluing, cover you seams with aluminum tape - Please don’t go overboard, weight is still an issue

  23. BalloonSat Construction: - Step 4: Glue it together and strengthen corners

  24. BalloonSat Construction: Things to remember: You only have one - Switches

  25. Hands-on: Construction and Integration - Install switches to box and glue switches in place from back side before making electrical connections - Keep switches on both sides and label ON/OFF positions - Make sure to re-connect the switch

  26. Hands-on: Construction and Integration - Balloon attachment tube hole should run through center of box on non-opening side - Make hole diameter as close to tube diameter as possible - Secure with paper clip - Make sure paper clip does not interfere with inner diameter

  27. One Minute Reports: Rocket History II - Will we be meeting in this room from now on? - What do I think about the X-prize? - What is gimbling? - Is there Rocket History class? - When we will we program our camera? - I wish we could have got to watch more of the videos.

  28. One Minute Reports: Rocket History I - Can we change our design/parts now that proposal is turned in? - Can I be astronaut? - Augustine report? - After the proposal, how do we save our grade? - “Other comments, concerns…” This Class! - How many drugs were Tsokvsky on? - When can we start building? - Can we take a field trip to see a Saturn V?

  29. Before we get started… In Class Exercise

  30. Building a Rocket on Paper: - Please wait, everyone will be opening your envelopes in a minute - Not every rocket design will work... - YOU ARE A ROCKET ENGINEER: You make $70,000.00 a year and you have a masters degree and drive a company Viper

  31. Building a Rocket on Paper: • 1.) Build a rocket with the right people. • You will need… • Payload Specialist • Thruster Specialist • Fuel Expert • Structural Engineer

  32. Building a Rocket on Paper: 2.) Calculate total mass of your rocket, must include everything. Total mass = mass of fuel+payload+ structure+thrusters

  33. Building a Rocket on Paper: • 3.) Calculate the thrust needed to lift your rocket off the launch pad • Needed thrust = total mass * gravity • F = m * a [Newtons, N]) • 1 N =1 kg*m/s2 • 1 pound-force = 4.45 N • a=gravity=10 m/s2

  34. Building a Rocket on Paper: 4.) Calculate the total lift (thrust) capability of your rockets thrusters 5.) Does your structure support the total weight of the rocket? 6.) Do you lift off the ground or did you crash and burn? 7.) Could you lift off the surface of the moon? g(moon) = 1/6 g(earth)

  35. Ion Engine: Max Thrust = 200 N Engine/Fuel Mass = 9,000 kg (90,000 N) Max Thrust (minus Engine/Mass) = - 82,000 N Remaining Mass = - 8,200 kg

  36. Cold Gas Engine: Max Thrust = 22,000 N Engine/Fuel Mass = 1,700 kg (17,000 N) Max Thrust (minus Engine/Mass) = 5,000 N Remaining Mass = 500 kg

  37. Propane Engine: Max Thrust = 100,000 N Engine/Fuel Mass = 8,000 kg (80,000 N) Max Thrust (minus Engine/Mass) = 20,000 N Remaining Mass = 2,000 kg

  38. Liquid Engine: Max Thrust = 1,500,000 N Engine/Fuel Mass = 103,000 kg (1,030,000 N) Max Thrust (minus Engine/Mass) = 470,000 N Remaining Mass = 47,000 kg

  39. Solid Engine: Max Thrust = 3,000,000 N Engine/Fuel Mass = 52,000 kg (520,000 N) Max Thrust (minus Engine/Mass) = 2,480,000 N Remaining Mass = 248,000 kg

  40. Launch Vehicles Past, Present, Future & Sci-Fi Future

  41. Outline: • Fine Print • Background & Rocket Types • Past • Present • Future • Sci-Fi Future

  42. Rocket Types: • I don’t know everything about Launch Vehicles • I may not be able to answer your questions • This lecture is to expose you to all the different types of launch vehicles • I can quit at any time

  43. Background: • Thrust = the force that moves • Impulse = force over period of time • Specific Impulse = Isp = ratio of impulse to fuel used • Higher Isp usually indicates low thrust but very little fuel used • Will learn more in Propulsion Lecture • Rocket Types include: Solid, liquid, hybrid

  44. Past

  45. Past/Present: Scout Thrust: 464,700 N (104,500 lb) Fueled Weight: 21,750 kg Payload to Orbit: 270 kg LEO # of Flights: 188, 105 successful

  46. Past: Jupiter C Thrust: 334,000 N (75,090 lb) Fueled Weight: 29,030 kg Payload to Orbit: 9 kg LEO (14 kg) # of Flights: 6, 4 successful Explorer I

  47. Past: Mercury Redstone Thrust: 347,000 N (78,000 lb) Fueled Weight: Not Found kg Payload to Orbit: 9 kg LEO # of Flights: 5, 5 successful Chimp “Ham”, Shepard, and Grissom

  48. Past: Mercury Redstone Video

More Related