XPRS 2006

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The annual "Extreme Performance Rocket Ships" (XPRS) launch was held on September 22-25, 2006 at the Black Rock desert in northwestern Nevada. This launch is run by Aero-Pac, the Association of Experimental Rocketry of the Pacific.  More information can also be found at the XPRS web site.

      

Photo by Tsolo T. Tsolo from RocketShots! © 2006

     

XPRS 2006 was divided into a three day long event for flying commercial motors on Fri-Sat-Sun and then a one day "research launch" for flying experimental motors on Monday.

     
   

I was four for four with successful flights at XPRS and had a really fun time!   I'm already looking forward to next year!

Photo by Oksanna Pope

     

Photo by Vern Knowles

Photo by Vern Knowles

     

The weather got better each day at this launch.  It was a little windy on Friday but there were still quite a few flights made. The launch pads were very busy on both Saturday and Sunday as both were very nice days with clear sunny skies and low or no wind.  By Monday, when most people had already left, the weather was perfect!  The photo at the left is of a weather station that showed the zero wind speed and 76 degree temperature on Monday.  It sure was hard having to return to the "real world" on Monday and leave this "rocket paradise" on such a nice day.

Click on the photos on this page to see larger versions.

Panorama of the XPRS flight line

Click here to see a high resolution version of the panorama.

Photo by Vern Knowles

This view is looking towards the flight line from the 500 foot pads.  It was taken on Friday afternoon, Sept. 22, 2006.  The full panorama is even wider.  Click on the links below to check it out!

Click here to see a large high resolution version.    (1.0 MB jpeg file.)

Click here to see a smaller low resolution version (234 KB jpeg file.)

NOTE:  Some web browsers will automatically fit the panorama image to match the width of your computer window.  If yours does that, then be sure to expand the image to full size.  You should be able to pan across the large image and get a good look at the whole flight line as if you are standing at the 500 foot pads.

Aerial view of the XPRS flight line

Photo by Vern Knowles

If you look closely you can see the entire flight line near the bottom of this photo. (Click on the photo for a better view.) This photo was taken by a digital camera in Starfire.  Starfire was flown Sunday morning in virtually ideal conditions and reached 8,416 feet.   This view is looking due south.   The small mountain just to the left of center is 7.2 miles from the flight line. You can also see that same mountain from a ground perspective in the panorama image further up on this page.   The small town of Gerlach is 18 miles from the flight line (as the crow flies) and is off the upper right hand edge of this image.  More aerial photos like this can be found at the Starfire link below.

My flights at XPRS 2006

I made a total of four flights at this launch.  A couple of photos from each one are presented below but there are many more to see.  Each flight has its own page with lots more photos, videos and flight data.  Just click on any of the photos below and it will take you to the page for that flight.

 

Starfire

Click here to see all the Starfire launch photos at XPRS 2006.

Photo by Oksanna Pope

Click here to see all the Starfire launch photos at XPRS 2006.

Photo by Vern Knowles

Click on either photo above to see lots more about Starfire at XPRS.

Starfire was launched on a combination of seven motors.  An Animal Motor Works M2200 "Skidmark" boosted Starfire smartly off the pad in a shower of titanium sparks, black smoke and a very loud "crackling" sound that is pure power and excitement.  Once you "experience" one of these motors it will become an instant favorite!   After the Skidmark burned out, at four seconds into the flight, four Aerotech J350 motors were ignited.  Then after those burned out, at seven seconds into the flight, the last two Aerotech J570 motors were ignited.  Starfire cruised on up to an apogee at 8,416 feet and deployed two large parachutes for a picture perfect recovery.  This was the 15th flight of Starfire.   Read more about it and see lots more photos and some great videos by clicking on either photo above. 

 

Angelfire

Click here to see all the Angelfire launch photos at XPRS 2006.

Photo by Tsolo T. Tsolo from RocketShots! © 2006

Click here to see all the Angelfire launch photos at XPRS 2006.

Photo by Vern Knowles

Click on either photo above to see lots more about Angelfire at XPRS.

Angelfire was flown on an Aerotech M1939 motor to an altitude of 15,576 feet.  It carried my homebrew GPS downlink system in the nosecone and was transmitting information during the flight. A friend was reading it off a handheld display in real time.  He was yelling out altitudes as the flight took place, both going up and coming down.  It was fun to see the actual heights and hear the altitudes live as it happened.  The main parachute deployment charge went off at 1000 feet but the chute was not ejected until the backup charge went off at 800 feet.  The canopy also took quite a while to inflate so there were some tense moments until finally Angelfire swung in under the main and slowed its descent just seconds before touchdown.   Fortunately there was no damage but it was a very close call!  This was the eighth flight of Angelfire.  Read more about it and see lots more photos and videos by clicking on either photo above. 

 

Wildfire

Click here to see all the Wildfire launch photos at XPRS 2006.

Photo by Oksanna Pope

 

Wildfire was launched on an Aerotech M1297 motor and reached 6,187 feet.  It carried my homebrew TV transmitter that sent back color video and sound to a monitor on the ground.  It was fun watching the flight from the ground and at the same time seeing it live from the rocket's perspective.  Wildfire came of age with this flight.  This was the 21st flight of Wildfire.  Read more about it and see lots more photos as well as the transmitted video by clicking on either picture here. 

Click here to see all the Wildfire launch photos at XPRS 2006.

Photo by Vern Knowles

Click on either photo above to see lots more about Wildfire at XPRS.

 

 

Nike Dart

Click here to see all the Nike Dart launch photos at XPRS 2006.

Photo by Vern Knowles

Click here to see all the Nike Dart launch photos at XPRS 2006.

Photo by Vern Knowles

Click on either photo above to see lots more about Nike Dart at XPRS.

I launched my Nike Dart on an Aerotech K185 on Monday morning during the XPRS "research launch" since TRA rules now allow commercial motors to be flown at research launches.  The boost was perfectly straight up reaching a new altitude record for this rocket at 11,349 feet.  Recovery was normal and it landed safely about 0.25 miles from the pad.  It was pure coincidence but like Wildfire this was the 21st flight of my Nike Dart.  Read more about it and see more pictures by clicking on either photo above.  

This was my last flight at XPRS 2006 and it was like icing on the cake. I was four for four and feeling very good about all four flights. I sure had a great time at this launch.  I can hardly wait until next year!

Tripoli Idaho members at XPRS 2006

Photo by Vern Knowles

Tripoli Idaho was well represented at this launch.  Nine of us made the long drive from Boise.  Back row left to right is Neil Pyke, Shon Heiner, Greg Spohn, Greg Fannin, Priscilla Plafcan, Rich Boltizar and Mark Plafcan. Kneeling in the front row are Frank Ross and Vern Knowles.   These folks have been coming to Black Rock for years and I bet they will all be back next year too.  We always have a good time!

Heading home....      What a great launch!

 

 

See you all next year!

 

 

Want more?

Photos from XPRS 2005 can be found here.

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