Ecrit par Rabot le 2005-09-14 à 21:55:22
Type : news - WC
Source : Nokytech

Voici les premières photos du nouveau waterblock made in Cathar : le Storm G7. Les évolutions sont : le nombre de jets qui passent de 35 pour le storm de chez Swiftech à 177, ainsi que la base en argent massif ce qui entrainera une très petite production et un prix très élevé.

Edit : Voici ce que le maître Cathar a dit dans les commentaires de Nokytech (tu peux passer quand tu veux lol)

"What´s changed you ask?

Just to recap what the G-numbers mean ´cos there´s still some confusion over this:

G1 = 1 jet
G2 = 7 jets
G3 = 19 jets
G4 = 35-37 jets (implemented G4 has 35 jets)
G5 = 55-61 jets (implemented G5 has 59 jets)
G6 = 85-91 jets
G7 = 117-127 jets (implemented G7 has 117 jets)
G8 = 155-169 jets (could only machine on aerospace quality equipment)

As for the design improvements over the original base Storm design specification:

* Increased jet inlet plenum area to lower pressure drop (thicker top-plate enables a more voluminous plenum so water can reach all jet inlets with minimal restriction - visible to eye))
* Ported jet intakes to lower pressure drop (jet intakes are now all ellipse radiused using a custom manufactured tool - visible to eye)
* Tweaked jet lengths to lower pressure drop (jet lengths are shorter - internal + external mod, middle plate is significantly thinner to
* Tweaked jet outlets to lower pressure drop (each jet outlet is chamfered around the outside of the jet tube to offer less restriction for flow exiting the cup structure - barely visible to eye)
* Multiple flow path channels to outlet to both decrease pressure drop, and more evenly distribute jet flow and total base-plate cooling (self-explanatory and very visible to eye)
* Base-plate bracing to boost structural strength for high-pressure CPU mounting (the 12 little posts that surround the jet area brace the base-plate and also serve as additional water turbulation for water outwash cooling effect over base-plate outside of main jetted area)
* Improved top-plate strength for higher pressure mounting capability (just a thicker top-plate, which is offset by thinner middle plate)
* Middle-plate bracing to improve jet/cup alignment when used with high-pressure pumps (additional consequence of the middle plate posts - reduces middle plate flexing meaning jets stay better focused with respect to their cup counterparts under very high pressure operation - meaning >>10psi)
* Improved O-ring specifications to minimise assembly based warping (smaller O-rings and slightly wider O-ring groove dimensions, thereby meaning less clamping pressure required to seal minimising the amount of pressure that gets applied to the base-plate effectively eliminating base-plate flex on assembly)
* Additional O-ring seal between inlet to middle plate plenum and outlet (this one´s for the armchair waterblock critics - I never deemed it necessary but people often griped about the design needing one even though it doesn´t, so I put it there to keep them happy anyway - may as well)
* Improved cup/wall ratios for higher performance (minor ratio adjustments - added base-plate strength to
* Improved jet turbulators for higher performance (two prototypes being tested)
* Improved base-plate characteristics for higher performance (adjusted base-plate thickness suitable for G7+silver)
* Improved jet/cup ratios for higher performance (tweaked ratio adjustment)
* Improved low-flow performance without sacrificing high-flow performance (micro-jetted efficiencies are much higher even with lower flow rates - also a consequence of turbulator modifications and jet/cup ratio adjustments)
* Improved small bare-die performance (down to 7x7mm CPU dies) without sacrificing IHS performance. (simulated and tested adjustments to attempt to cover the widest possible variety of CPU types)

There is no plan for this block to be made by Swiftech.

There is far more present in the design than can be captured by the photographs. The structure of the changes are in the order of tens of microns in size, and there is structure within the cups which is extremely diffifcult to make out with the naked eye. "

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