quote: Am I missing something here?
quote: The basic problem is such engines have difficulty varying their power level while still remaining efficient.
quote: I don't think so. Let's be honest. First of all an axial fan (as small as that one) can't really create any pressure at all. In the picture there's a big gap between the heatsink and the fan. There's no way that fan can really move air through that heatsink without ridiculous rpm (and noise).