none of four founders were rich, so they wanted to bring down cost to the point where they could afford it….
goal is to create engines that are safe, reliable reusable and affordable
first rocket had 15 pounds of thrust
designed to be operated frequently – eliminates fatigue…have not yet found a wear mechanisms on engines yet
safety mechanism in engine to prevent hard starts
XCOR has developed 11 engines so far
Proprietary cryogenic material called Nonburnite for use in tanks
Use piston pumps that are heavier, but can be operated over a greater range
EZ-rocket was designed to prove out ideas of low-cost operations
Cost per flight down to $900….paying for fuel and labor – no overhaul of aircraft
X-Racer – Could refill oxygen, helium and kerosene in the vehicle in 8 minutes….flew the vehicle 7 times in one day…
Safe, reliable more frequent operations
Similar in operations to the airplanes they already flew
Oxygen kerosene engine with 2,700 pounds of thrust…
As it stands right now, that engine is pretty much ready to go for the first flight of Lynx….
LOX-Liquid hydrogen….30,000 lb thrust class
Most of our time and focus over the last year has been focused on Lynx
About the size of general aviation aircraft….10,500 lbs…11,000 lbs. of thrust when it lights the engines….
3:1 ratio after the all the fuel is burned…
Prototype Mark 1: about sixty km of altitude and Mach 2
Production model: capable of Mach 4
Lynx challenge – balance the subsonic and supersonic flying capabilities…needs to be flown by a pilot without a computer….there is no autopilot on the Lynx…
“We’ve really become converts to wind tunnels. They’re fantastic facilities,”
Firehouse of data at wind tunnels….
Looking at yaw and roll issues …. significantly better than the space shuttle
Had a wind tunnel tests bout two weeks ago….found some fairly small tweaks that seem to have completely solves the yaw and roll issues….
One more wind tunnel test in a few months as a verification test for the tweaks….
Lynx is primarily a cabon fiber epoxy airplane….
Fuselage, nose cap, truss structure and other components are on the floor
Will have a gradual test flight program….
Static tests – low speed and then high speed taxi tests….
Runway hops….a few feet above runway…
Multiple engines on the plane….can throttle up to some extent….
Not all on at the same time….
Are you looking at a drag chute to slow down the vehicle during landing?
“It’s not an airplane that’s going to need help slowing down.”
We have looked at drag chutes but they don’t make sense from a weight standpoint….loads on the landing gear not too severe…