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Top 5 Positive Customer Reviews for mini motor set
The motor is fast enough for drilling PCB from 12V but I use it with 19V laptop adapter for the faster speed. The drill chuck feels cheap on the first touch because of the light weigh, but the grip is very good on it. The chuck trunk is made of Cu, jaws are metal, housing is eloxed aluminium. Drill bits are standard low quality, you need to sharpen them after 20-30 holes. I suggest to buy a kit of carbide drill bits for the longer lifetime. Highly recommanded for PCB drilling.
Stirling motor already tested - works perfect. The communication was good. The delivery time is stretched to the last day. promised to be here in 23 to 36 days an - viola - it came on the 37th day. I propose to change the advertizing to 23 to 40 days, to have less stress.
Perfect! Works flawlessly! Generator is able to power the led and a little 3.3v Fm radio at the same time :-) Use of a capacitor is recommanded in order to hold output steady.