Note: Other software packages for completing these applications may be available from other sources; however, it is essential that the type size and format specifications are met. The Department of Prevention and Community Health isRead more
Samuels Portrait Collection at Duke University. Well-meaning adults can easily destroy a childs love of reading: stop them reading what they enjoy, or give them worthy-but-dull books that you like, the 21st-century equivalents of VictorianRead more
summer research project at Dartmouth College. For more precision it is possible change the piston cylinder to match the pressure gauge range to maximum motor peak thrust possible. All the actuators and sensors are controlled by a mix of National Instruments and custom hardware. The rails under the rollers are bolted directly into the concrete. Click any image to enlarge ml click to enlarge The main static test stand is designed to accommodate either a single large rocket motor, or multiple smaller rocket motors such as the mars B4 Hybrid rocket motor. The rig currently has three pressure sensors, a few thermocouples, and the loadcell.
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Back in the shop we viewed the videos and with stop motion, we timed the thrust registered on the baby scale with the time on the video. The Gimbal system worked well. We were all second year students enrolled in the College Park Scholars SDU program. Recently I incorporated a handle to make easy the transport. It connects to an INA125 amplifier chip that sends the amplified signal through 100' of wire to a Dataq DI-151RS unit. Data collection is via a DataQ firstly secondly lastly essay 12-bit serial A/D module. . From Korey about this stand: I wanted a thrust stand that would give me peak thrust and peak chamber pressure without a bunch of electrical instrumentation and associated AC power requirements. Alex Click to Enlarge Images Bruccoleri Graph I284 Motor Hybrid test stand /spacechallenge/ Click any image to enlarge At the moment the DSC stand doubles as both a test stand for liquids and for solids. I subsequently saw the hydraulic cylinder test stand on Richard Nakka 's site and wanted to see just how inexpensively something similar could be built in PVC. Here's a picture of a thrust curve of H120 engine and the K motor firing.