1 Sarah Thomas, Curtis Cutright, Michael S. Braasch Avionics Engineering Center Ohio University, Athens Project Sponsor: NASA/FAA Joint University Program For the Quarterly Review of the NASA/FAA Joint University Program for Air Transportation Research Friday, October 24 th 2003

2 Overview Delfin L-29 Recent Testing Projected Modifications to Current System

3 L-29 Delfin Capabilities: High Altitude 11 Km High Speed 354 knots Fully Aerobatic Flight Specs Taken From

4 Flight Conducted September 24, 2003 Record of the L-29 while Operating within its Dynamic Envelope GPS Data Collected Illustrate Capabilities of the Aircraft and Data Collection Equipment

5 Flight Path

6 Maneuvers: Aileron Rolls Modified Hammerhead Stalls Minimum Radius Turns Inverted Flight

7 Altitude

8 Position Solution Age

9 Number of SVs

10 10 Groundspeed

11 11 Vertical Speed

12 12 Project Development Goal to have both High Rate Collection of INS and GPS Increase Data Throughput Addition of PC Binary Format Placement of HG-1700 IMU

13 13 Established Equipment Additional PC with QNX 4.35, QNX 6.0, and Windows To be Installed in Delfin Three Operating Systems for Easy Data Collection

14 14 Modification of System Modify Software to Incorporate Additional Computer Tentatively IMU Installed

15 15 Current Schematic PC104 GPS ADCINS data 12 VDC Aircraft Power 28 VDC INV 115VAC/ 400Hz Potentiometer data Power Data

16 16 PC104 GPS ADC INS data 12 VDC Aircraft Power 28 VDC 115VAC/ 400Hz Potentiometer data Power Data PC #2 IMU INV Projected Set-up

17 17