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The Advantages, Potentials and Safety of Vtol Suborbital Space Tourism Operations

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The Advantages, Potentials and Safety of Vtol Suborbital Space Tourism Operations Presented at the 5th International Association for the Advancement of Space Safety conference on 17 – 19 October 2011, in Versailles, Paris, France, organized by European Space Agency. THE ADVANTAGES, POTENTIALS AND SAFETY OF VTOL SUBORBITAL SPACE TOURISM OPERATIONS Norul Ridzuan Zakaria(1), Nasri Nasrun (2), Jalaluddin Abu(3), Asmadi Jusoh(4), Liayana Azim(5), Prof. Md. Azlin Said(6), Md. Sayuti Ishak(6), Norul Rafidi Zakaria(7) (1) Space Tourism Society, Kuala Lumpur, Malaysia, Email: [email protected] (2) Setegap Venture Resources, Email:[email protected] (3) Space Tourism Society Malaysia Chapter, Shah Alam, Malaysia, Email: [email protected] (4) Sunway University, Sunway City, Malaysia, Email: [email protected] (5) Yuri’s Night, Kuala Lumpur, Malaysia, Email: [email protected] (6) University Science Malaysia, Seberang Perai Selatan, Malaysia, Email: [email protected] (6) University Science Malaysia, Seberang Perai Selatan, Malaysia, Email: [email protected] (7) Re-Entry Animated, Putrajaya, Malaysia, Email:[email protected] ABSTRACT the object, and later returning to the spaceport, the way to go is to have the operation of the suborbital vehicle Suborbital space tourism offers short-time zero gravity near the exotic locations. Unfortunately, some exotic and Earth view from space to its customers, and a locations such as a tropical archipelago in the middle of package that can offer the longest duration of zero- a clear blue ocean or a permanent icecap on a mountain gravity and the most exciting Earth view from space to range with variety of vegetation around it due to its customer can be considered a better one than the differences in height may not have suitable runway to others. To increase the duration of zero gravity time function as spaceport, and for such reason, VTOL involves the design and engineering of the suborbital (vertical take-off and landing) capability for suborbital vehicles, but to improve the view of Earth from space tourism vehicle may be worth considered. VTOL aboard a suborbital vehicle, involves more than just the suborbital space tourism vehicle may not operate from a design and engineering of the vehicle, but more on the remote uneconomical location even though the location location of where the vehicle operates. So far, most of is near an exotic viewing target, but such vehicle may the proposed operations of suborbital space tourism operate from a luxury super yacht that can sail to exotic vehicles involve a flight to above 80km and less than locations around the world, and during the journey, the 120km and taking-off and landing at the same location. passengers can be trained and prepared for the flight of Therefore, the operational location of the suborbital their life. Such is an advantage and potential of VTOL vehicle clearly determines the view of earth from space suborbital space tourism vehicle, but VTOL operation that will be available to its passengers. The proposed can be more complex than a conventional operation and operational locations or spaceports usually are existing therefore will increase the risk of operation, and for this airports such as the airport at Curacao Island in the reason the safety issue for such operation is very Caribbean or spaceport specially built at locations with significant. This paper explores and discusses some economic interests such as Spaceport America in New advantages and potentials of VTOL suborbital space Mexico or an airport that is going to be built, such as tourism operations and safety issues related to them. It SpaceportSEA in Selangor, Malaysia. Suborbital also describes a couple of proposed concepts of VTOL vehicles operating from these spaceports can only offer suborbital tourism vehicles and potential exotic locations limited views of Earth from space which is only few on Earth to be viewed from such vehicles. thousand kilometers of land or sea around their spaceports, and a clear view of only few hundred kilometers of land or sea directly below them, even though the views can be enhanced by the application of optical devices. Therefore, the view of some exotic locations such as a colorful coral reef, and phenomena such as a smoking volcano on Earth which may be very exciting when viewed from space will not be available on these suborbital tourism packages. The only possible way for the passengers of a suborbital vehicle to view such exotic locations and phenomena is by flying above or near them, and since it will not be economic and will be more risky for a suborbital vehicle to fly above such Figure 1. A VTOL Spaceplane taking-off from an exotic objects after taking off from a spaceport far away from spacepad (from Re-Entry animated movie). 1 Presented at the 5th International Association for the Advancement of Space Safety conference on 17 – 19 October 2011, in Versailles, Paris, France, organized by European Space Agency. 1. INTRODUCTION provide the high quality view of Earth from space, depending on its geographical location. Space tourists have been visiting the International Space Station (ISS) since April 2001, using governments’ space transportation infrastructures including spaceport, launch vehicles and also the ISS. This has been a very positive start for space tourism industry, even though those who can purchase such tourism service were only millionaires since the service has been offered at a very high price tag. The real space tourism however will be more affordable when suborbital space tourism starts using commercial spaceports and commercial suborbital spaceplane and Figure 2. An illustration of the spaceflight terminal at becomes available to greater market size. Suborbital SpaceportSEA by Architect Noor Azizee Abd Aziz. tourism however will be very limited in their offering compared to the tourism package aboard the ISS. Suborbital vehicles operating from these spaceports can only offer limited views of Earth from space which is Even though Virgin Galactic will be offering its only few thousand kilometers of land or sea around their passengers the experience of floating in zero gravity spaceport, and a clear view of only few hundred while viewing through portholes (windows) inside the kilometers of land or sea directly below them, even cabin of its SpaceShipTwo within a significant period of though the views can be enhanced by the application of time (1), generally what suborbital space tourism will be advanced modern optical devices. Therefore, the view of offering are zero-gravity and opportunity to view Earth some exotic locations such as a colorful coral reef, and from space in a very limited time. Therefore, there are phenomena such as a smoking volcano or a volcano and will be efforts to maximize the quality of zero approaching eruption which may be very exciting when gravity and Earth viewing offered by the manufacturers viewed from space will not be available on these and operators of suborbital tourism vehicles. suborbital tourism flights. The quality of zero gravity can only be increased by The only possible way for the passengers of a suborbital increasing its time that is the longer the time or period of vehicle to view such exotic locations and phenomena is being in zero gravity or weightlessness, the better its by flying above or near them. Even though there is at quality. This involves the design and engineering of the least a paper proposing suborbital spaceplanes flying vehicles, where basically the zero gravity time can be higher and long distance between continents that may fly increased by flying the vehicle at a greater momentum. above such exotic locations (2), such flights will be more However, to improve the view of Earth from space expensive, and for suborbital spaceplanes that take-off aboard the suborbital vehicles, it involves more than just and landing at the same spaceport, it will not be the design and engineering of the vehicles, but more on economic and will be more risky for them to fly above the location where the vehicles are operated. such locations after taking off from a spaceport far away from the locations, and later returning to the spaceport So far, most of the proposed operations of suborbital again. space tourism vehicles involve a flight to above 80km and less than 120km and taking-off and landing at the Therefore, a possible economic and low risk method to same location, which is the spaceport. Therefore, the enable such flight above the exotic locations is to have location of the spaceport clearly determines the view of the operation of suborbital vehicles near the locations. earth from space that will be available to the passengers Unfortunately, some exotic locations such as a tropical of the suborbital vehicles. archipelago in the middle of a clear blue ocean or a permanent icecap on a mountain range with variety of The proposed operational locations or spaceports usually vegetation around it due to differences in height may not are existing airports such as the airport at Curacao Island have suitable runway to function as spaceport, and for in the Caribbean or spaceport specially built at locations such reason, VTOL (vertical take-off and landing) with economic interests such as Spaceport America in capability for suborbital tourism vehicles may be a New Mexico or an airport that is going to be built, such practical and economical consideration. as SpaceportSEA in Selangor, Malaysia. The major factor for the location of the spaceport is clearly the However, the economy and market trend will determine economy. These spaceports may or may not be able to the operational locations of the VTOL suborbital space 2 Presented at the 5th International Association for the Advancement of Space Safety conference on 17 – 19 October 2011, in Versailles, Paris, France, organized by European Space Agency. vehicles, which most probably will not be a remote helipad.
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