Description: About this item: This is an Interactive CD-ROM version of the book of the same name. Please see the minimum requirement on the back cover of the CD for Windows and Macintosh Operating SystemsCentaur is a rocket stage designed for use as the upper stage of space launch vehicles and is currently used on the Atlas V. Centaur boosts its satellite payload to geosynchronous orbit or, in the case of an interplanetary space probe, to or near to escape velocity. Centaur was the world's first high-energy upper stage, burning liquid hydrogen (LH2) and liquid oxygen (LOX), and has enabled the launch of some of NASA's most important scientific missions over its 50-year history. Centaur was the brainchild of Karel J. "Charlie" Bossart (the man behind the Atlas ICBM) and Dr. Krafft A. Ehricke, both Convair employees. Their design was essentially a smaller version of the Atlas, with its concept of using lightweight "stainless steel balloon" tanks whose structural rigidity was provided solely by the pressure of the propellants within. To keep the tanks from collapsing prior to propellant loading, they were either kept in "stretch" or pressurized with nitrogen gas. Centaur uses a common double-bulkhead to separate the LOX and LH2 tanks. The two stainless steel skins are separated by a 0.25 inch (6.4 mm) layer of fiberglass honeycomb. The extreme cold of the LH2 on one side creates a vacuum within the fiberglass layer, giving the bulkhead a low thermal conductivity, and thus preventing heat transfer from the relatively warm LOX to the super cold LH2. It is powered by one or two RL10 rocket engines (SEC and DEC variants respectively).This rare and hard to find CD-ROM item is in "Very Good" used condition. The playing surface may have some minor marks which do not affect play. The artwork and jewel case are in excellent condition. See attached images of actual item ~ Sold "as is"PLEASE CONTACT US WITH QUESTIONS PRIOR TO PAYINGSales tax will be added by eBay as required by your stateLook at our feedback - we make our customers happy!As you can tell by our excellent and extensive positive feedback history, the seller wants all buyers to be satisfied with their purchases. Before you ask to return an item or leave negative feedback, please review the listing to clarify the condition or description which was stated by the seller. Please notify us within 30 days of receipt if you wish to return an item. Returns must be authorized by seller before an item is returned. If a return is not due to seller error, shipping credit may not be issued. Thank you for making eBay a fair and reasonable experience for all.BE SURE TO CHECK OUT ALL OF THE ITEMS IN OUR eBAY STORE FOR MORE GREAT SELECTIONS! Just click on the "door" icon to the right of our name "ferncrestmotel" on the item description page to view the thousands of incredible items we have to offer in our eBay Store "Treasure Aisle Clothing and Beyond."COMBINED SHIPPING: When applicable (depending on the items, weight, dimensions and destinations involved), we offer a combined shipping discount ~ In order for the discount to be applied on multiple items, please place each item in your eBay Shopping Cart, let us know when you are done shopping via an eBay contact email, then pay all at once when you receive an email invoice with the discounted shipping. This will protect you from overpaying!Thank you for your patronage!
Price: 7.49 USD
Location: El Cajon, California
End Time: 2024-11-19T02:46:24.000Z
Shipping Cost: 4.63 USD
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Item Specifics
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
MPN: N/A
Format: CD-ROM
Number of Devices: Does not specify
For Operating Systems: Microsoft Windows 2000
Minimum Hard Drive Space: Does not specify
Country/Region of Manufacture: United States
Minimum RAM: 16MB
Minimum Processor Speed: Does not specify
Contributing Author: Dr. Mark Bowles, former NASA historian
Model: N/A
Language: English
License Category: Academic/Education
Brand: NASA Centaur Virtual Museum
Type: Science
