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Messages - DashApple

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1
General chatting / Re: Small Phase change build R600a
« on: August 15, 2019, 06:23:40 PM »
Thanks : ) , There was a few issues to get through but in the end it turned out well .

Xtreme systems was and still is a very good place to go for phase change , there is a massive section full of builds and info threads , alot of what i learned was from there : ) .


Some of the cascade and auto cascades on there are crazy , I too would love to be able to do that but for now the simple single stage is where i will probably stay .

2
General chatting / Small Phase change build R600a
« on: August 05, 2019, 06:16:35 PM »
Hi All .

This was my first attempt at building a small phase change system and want to share the results

There was no real gain to be made from this on the CPU other than for the building experience : ) .
Specs are -

Secop 30AA 3cc R600a compressor
2.8m 0.8mm Capillary tube .
120mm 13W AC fan and 120x120x50mm condenser .
CPU is a i5 3470 ( around 85 - 90W Load )


The evaporator is a copper plate with 1/4" copper pipe coiled and brazed to it .  Under no load evap is -6C , Low side is 1PSI ( -10C Boiling point on R600a ) , Suction line 6" from compressor is -1 to -2 C so superheat is around 8C under no load .


Loaded 100% the temperatures are -1C to 0C evap and 18C reported by the CPU .


PCB is full coated in varnish on both side around and under the CPU socket , Then filled with silicone grease and lined around it with armaflex insulation ( still need to do some more insulating ) .


Not the best looking but i am happy with the results for a first attempt : ) .

IMG_20190805_132413 by TwirlyWhirly555, on Flickr

3
Smart phones / Led Closeups with Mobile phone and lens .
« on: July 14, 2019, 03:00:09 PM »
Just wanted to share a few closeups I did with my mobile phone ( Nokia 7 ) and a small lens : )

Led engine LZ7 , 7 Colour led .

led by TwirlyWhirly555, on Flickr

intelligent led soultions 12 die , 12 colour led . 360 - 950nm

Untitled by TwirlyWhirly555, on Flickr

Led engine 4 die and 12 die 365nm leds ( 4 die is running at 5mA in picture ) .

IMG_20190714_134548 by TwirlyWhirly555, on Flickr

IMG_20190714_134401 by TwirlyWhirly555, on Flickr


4
General chatting / Re: Happy New Year!
« on: January 01, 2019, 10:23:27 PM »
Happy New Year : )

5
General chatting / Re: Merry Christmas and Happy New Year to everyone!
« on: December 23, 2018, 07:11:50 PM »
Merry Christmas everyone , happy new year .

6
Hey Everyone .

I'm from the Uk  , I have been interested in electronics and HV for a while now Have done a few small VTTCs and SSTCs and other bits a peices . I try and collect HV transofmers mostly .

I look foward to reading the threads on here and seeing what people do and hopfuly oneday making a small DRSSTC .

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