
After a breakdown of a HK 2408-21T motor, i rewinded it with a 0.5mm wire. I used 16 windings and connected them in a "Y" configuration. To compare the effectiveness of the "new" motor, i metered it with 8 different props and in relation to an original HK 2408-21T. This first video shows the measuring of the new wired 16Y0.5 motor. measured data: original 2408-21T-3A thrust in g current in A voltage in V rpm 3blades 6 x 4,0 449 11,5 11,35 14120 3blades 7 x 4,0 695 15,98 11,25 12580 2blades 6,3 x 3,15 458 10,31 11,38 14610 2blades 7 x 3,5 584 10,1 11,6 15090 2blades 7 x 4,0 522 11,24 11,43 14340 2blades 8 x 3,8 687 17,46 10,71 10050 2blades 8 x 4,3 778 17,69 11,03 10560 2blades 9 x 3,8 694 greater 20 A 10,81 7830 rewired 2408 16Y0,5 thrust in g current in A voltage in V rpm 3blades 6 x 4,0 297 5,54 11,8 11540 3blades 7 x 4,0 463 7,57 11,67 10520 2blades 6,3 x 3,15 311 4,88 11,84 11910 2blades 7 x 3,5 361 4,47 11,8 12060 2blades 7 x 4,0 345 5,18 11,73 11640 2blades 8 x 3,8 616 9,74 11,45 9270 2blades 8 x 4,3 632 9,86 11,5 9420 2blades 9 x 3,8 700 12,05 11,19 8130 difference of thrust in g current in A voltage in V rpm 3blades 6 x 4,0 -152 -5,96 0,45 -2580 3blades 7 x 4,0 -232 -8,41 0,42 -2060 2blades 6,3 x 3,15 -147 -5,43 0,46 -2700 2blades 7 x 3,5 -223 -5,63 0,2 -3030 2blades 7 x 4,0 -177 -6,06 0,3 -2700 2blades 8 x 3,8 -71 -7,72 0,74 -780 2blades 8 x 4,3 -146 -7,83 0,47 -1140 2blades 9 x 3,8 6 greater -8 0,38 300
motortest
brushless
rewired
HK
2408
2408-21
Mr
Rcberlin