06-25-2007, 11:02 AM
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Senior Club Cobra Member
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Join Date: Jun 1999
Location: Fallbrook, CA USA,
CA
Cobra Make, Engine: Porsche 928 S4
Posts: 739
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Not Ranked
Troll,
The pneumatic valve springs were first used by Renault quite a few years ago. There has been many articles and detailed descriptions about them.
See: F1 valves
Del West has been supplying systems since 1997. Del West USA
Also see Pneumatic_valve_gear
The systems are a total loss design. The cars carry a nitrogen bottle that powers the "Springs". You will often see the teams, in particular BMW, attaching a hose to the side pod during pit stops to charge the system.
Don't want to run out of pressure as then the lump will go "KA-BLAMO" as Steve Matchett always says. |
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