In-cabin experiments

Internal Payloads will be contained within the vehicle's ambient cabin environment. For the Lynx Mark II vehicle, these locations are ideal for microgravity experiments as well as instruments requiring steer-and-pointing maneuvers for observations from the cockpit.

Payload Alpha is latched to the seat track aft of the pilot’s seat and in front of the pressure dome. The shape, a right-triangular volume with the top cut off, is 45 cm high by 40.5 cm wide (roughly the width of the pilot’s seat). At the bottom, the space is 40 cm deep, extending aft. At the top, the space is only 14 cm deep, extending aft. Payload mass is a maximum mass of 20 kg.

Citizen in Space Cub Carrier (Image Courtesy of Citizens in Space)

The XCOR Lynx right seat can be fit with a payload in place of a human in a pressure suit, with two stacked Space Shuttle middeck lockers (MDLs), a standard 19 inch electronic equipment rack, or custom rack. The primary internal payload will accommodate a maximum mass of 120 kg (265 lbs) in Payload Beta. This payload position has transparencies on both the front and sides.

Solar Instrument Pointing Platform (Image Courtesy of Southwest Research Institute)

A Mission specialist can operate experiments in the Payload Beta location, or other custom instruments such as telescopes or cameras. The Mission Specialist may be wearing biometric sensors or biomedical devices, performing research tasks, or may be flying as part of test pilot or astronaut training operations. The mission specialist will be required to wear a pressure suit.


Internal Payload


Price per Flight

Payload Alpha

Cockpit-Behind Pilot


Payload Beta

Cockpit-Mission Specialist


Payload Beta

Cockpit-Participant Location/Full Rack


* Prices are exemplary for Lynx Mark I/II. Retail payload flight can be purchased through approved payload integration channel partners.  Pricing from XCOR Payload Integration Channel Partners maybe less than or greater than these listed, depending on payload integration services.

Detailed specifications of payload space and interfaces, as well as information about engineering services and payload integration can be found in the Payload Users Guide (click Request A Guide above!) 

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User's guide

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