The X-Racer started out life as a standard propeller driven Velocity SE with primer white paint.
Date: 08/10/2009
Canard Pushers make perfect rocket planes due to the thrust location being unchanged for the rocket.
Date: 08/10/2009
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This is the old panel that would be removed.
Date: 08/10/2009
The SE had four leather seats. The rear two would be removed to make room for the liquid oxygen tank.the front two seats would be converted to hard seats to accomodate parachutes.
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Mouser the shop cat inspects the new interior volume.
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Engine sans cowl. The engine was removed and shipped back to Rocket Racing for installation on their training aircraft.
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Three canard planes: EZ-Rocket, Velocity and a Cozy.The Cozy as well as the E-Racer were brief airframe considerations for the X-Racer.
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The Velocity, ready to be stripped down to bare bones.
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Installing the rocket thrust structure that would also serve as the mounting for all the rocket related plumbing and hardware.
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Chief engineer Dan DeLong contemplates the first engine prototype.
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The engine at the end of the thrust structure, shown with the XCOR bi-propellant fuel valve held in place.
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Dan and the engine.
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High pressure drive gas tanks temporarily held in place.
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Doug Jones and Dan DeLong discuss hardware placement.
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The windows are sealed to protect them.
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Filler and foam blocks are used to create a shape from which to form the mold. It looks ugly now, but go to the next image...
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Voila! Carved to pleasing aerodynamic shape!
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Once the foam is glassed over, the entire thing is removed from the plane.
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The plug is touched up before creating the mold.
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Tank mold.
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One half of the tank mold.
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Checking the finished cowling.
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The cowl is fit checked on the Racer. Looks great!
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The rear window has been reduced and a large hole cut in the roof to accomodate the spherical LOX tank.
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Reuben and Derek fitting the spherical LOX tank into the rear of the Racer cabin.
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Mark Street testing the LOX tank at temperature using liquid nitrogen.
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The purpose of this test was to observe thermal cycling in the attach structure.
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The truss and LOX tank were moved to the firewall test stand.
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in this way testing of the engine could continue parallel with the airframe modification.
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Brandon Woodworth, Mark Street, Dan DeLong and Aleta Jackson discuss valve placement.
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Truss bolted to the firewall test stand.
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Firewall test stand and EZ-Rocket in background.
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Mark Street works on the firewall stand.
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The EFIS navigation system on the test bench. The EFIS firmware was modified especially for the X-Racer.
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After testing, the engine system was bolted back on to the plane.
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Work on the plane is nearing the point at which it will be ready for static testing.
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Completed control panel, with EFIS, video monitoring and traditional analog gauges.
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Prepping for final paint - we built a paint booth in the hangar.
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The X-Racer with its completed decal scheme, at AirVenture. For more flight photos, visit the flight galleries!
Date: 08/10/2009