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Modifying an nVentiv Mach I for extreme subzero performance

Cooling/SubZero Cooling by Jort @ 2006-03-30

In this article I will show you how I improved nVentiv?s first Subzero machine, the Mach I, so it can easily match the Mach II GT and asetek Vapochill LighSpeed performance wise!

A new evap!

Getting good performance from your phase-change unit is also determined by the evaporator, so a new one will be connected to it with a nice piece of flexible suction hose.

The design of the evaporator will help performance; this particular model was made by a fellow phase-change fanatic from Germany called Jan.

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Here it is after I drilled some holes for the capillary tube and the exit for the vaporized refrigerant.

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Next I need to heat it up so I can braze the different parts together

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Cherry red means brazing time! So this is what I am going to do now.

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To keep the inside clean I purged it so no oxidation can occur.

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After some cleaning I ended up with this.

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