Only the Thrust curve has the two motors plotted, however, I believe because the current and thrust data is so similar, the remaining data would be similar too. The Efficiency data is calculated; the rest are measured. The other curves are for the BM2409 motor only.
The two motors are CD/DVD motors used in computers and cost about $10-$20. I use them on the GWS Slow Stick models.
Compared are a 9x7 3blade and a 10x4.7 2 blade on a $10.00 Tower Pro CD style motor.
The prop RPM is read on the tach instrument and the battery current read with a clip-on ammeter(not shown).
The flashlight is used for nightime measurements with the tach. During daylight hours the sunlight works very well. Artifical light does not work. The sensor picks up the 60 hz power frequency and yields erroneous results in the rpm readings.
These motors are rated for 10-15 amps max current. I ran them for a few seconds at the higher currents to see where the maximum thrust occurred at "full throttle" for all motors and prop combinations.