after building few single stager i think its about time moving to dual stager :D....
my E6600 hunger for more colder temps, 5ghz on single stager was achieved, next gonna try it to make it stable on 5ghz and trying suicide clock >5ghz....
details
1st stage:
3/4hp Matsu$hita R22 Rotary Compressor
some desuperheater
condensor 1 row 20x25cm + fan
filter/drier
captube arround 2.15m 0.031"
Heat Exchanger
Dupont R22 refrigerant
2nd stage:
1/3hp Kulthorn R12 Compressor
coil desuperheater 4m
Danfoss KP-5 cut-off switch
Pressure Relief Valve (hard to find it here)
Alco Oil Separator
filter/drier
captube arround 2.3m 0.031"
My Evaporator and flex suction line
Dupont R22 and CO2
the design:
http://img78.imageshack.us/img78/2828/designuh4.jpg
the Heat Exchanger (HX) = 4m 1/2" pipe, inside = 3x3/16" pipe
http://img528.imageshack.us/img528/457/image008jx3.jpg