Monthly Archives: June 2015

Gyroscopic effects in high speed hard drives

Just short demonstration of gyroscopic effects in high speed hard disks. I had some useless hard disks. It is old SCSI server disk ST39102LW. It is only 9Gb, but 10000 rpm (10K). This increase effect to noticible level. To feel … Continue reading

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Satellite transceiver

Yes, it was satellite transceiver. For receiving and sending information to satellite. Sometime I post messages about items I dissasemble. This was quite a big device: It is not compressor, it is satellite transceiver from Hughes Network System. Such device … Continue reading

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Surface tension effects in SMD soldering

I had very short time to remove some Atmel (AT90SL2343T) chips from discarder NOKIA communication equipment boards using standard hot air gun. It was very high quality PCB boards so I made some experiments about self positioning of some SMD … Continue reading

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