GPS-7 Micro geborsteld energie systeem combo

• Overall
• Quality
• Value

Customer Rated

Jan 01, 2013

Very soft shaft and inaccurate test data

Soft shaft could be easily replaced by 1 mm drill

GWS 5030 original HK 7mm motor (2.2)
U [V] I [A] thrust [g] g/W
4.2 1.04 24 5.49
4.0 0.95 22 5.79
3.8 0.88 19 5.68
3.6 0.82 16 5.42
3.4 0.75 15 5.88
3.2 0.63 12 5.95

4.2 V on full throttle motor becomes warm and thrust falls to 19 g


Replacing motor to SS Blue 7mm 1.7

GWS 5030 SS Blue motor 7mm 1.7
U [V] I [A] thrust [g] g/W
4.2 0.92 31 8.02
4.0 0.86 28 8.14
3.8 0.80 25 8.22
3.6 0.72 22 8.49
3.4 0.68 21 9.08
3.2 0.60 18 9.38

• Overall
• Quality
• Value

Customer Rated

Apr 23, 2010

excellent system. althought is brushed, it has power enough for micro planes. weight is 4 gram. take care with the shaft!!