PELTI Flight Report for RF01, 6 July 2000

   This was our ferry from Miami to St. Croix.  It was our first opportunity
to run the LTI at sea level (The performance should be better at higher
altitudes.), so it was spent varying parameters for the LTI in the MBL.


 UTC
15:00   Takeoff from MIA

15:15   Level at 450 m.  Data system problems.
        Ran multiple tests of LTI performance - turbulent, laminar, etc.

15:54   Speed runs. CAI wake evident when attack greater than 2 deg.

18:08 to
18:46   Teflon filter sample at 450 m

18:58   Climb to pass over Puerto Rico

19:32   Landed at STX


Notes:

To keep the LTI out of the CAI strut wake, we had to fly at 220 knots IAS.
The usual MBL research speed of 200 knots raised the nose too much and
transmitted the CAI Strut wake into the LTI.

There is a problem with the calculation of LFE flows in the DU computer:
they don't agree at all with the LTI sample flow derived from the UH thermal
mass flowmeters.

This was our first opportunity to test the LTI at low altitudes.  We did find
that the sample flow for laminar behavior was smaller at the surface.  We can
maintain 120 lpm or slightly more and stay laminar, whereas we can achieve
200 lpm or more at higher altitudes.

Barry Huebert
1 Aug 2000