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Junior Varsity
PSA: Blow it out yer amps!
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<blockquote data-quote="John Roberts" data-source="post: 89569" data-attributes="member: 126"><p>Re: PSA: Blow it out yer amps!</p><p></p><p></p><p>An interesting hypothetical. A car traveling at 1200+ MPH would surely have multiple issues. As a kid I recall a similar "stupid human trick" where we would spin up an actual car wheel bearing with a high pressure air hose. This was also advised against, perhaps because it was fun too. </p><p></p><p>I would be more concerned about a real high pressure air hose, not some poofy canned air. I have never broken a fan with an air hose, but I have never spun one up to see how fast it would go. I guess I got that kind of thing out of my system growing up with an (air) compressor in the garage. </p><p></p><p></p><p>In true WWW fashion, pick and choose what advice you wish to listen to. If I catch you spinning up fans on my amps, you're off the island. Strictly because it is outside the fans target design spec. In my experience as a design engineer making ASSumptions about how components will work, beyond their nominal specifications, can get you into expensive situations. </p><p></p><p>JR</p><p></p><p>PS: This may be a little like the popular mythology of turn-on thumps blowing up speakers. Just like we don't find cat skeletons up in trees, I have not personally experienced fans broken by compressed air cleaning, but I still do not endorse spinning them up. There are too many different variant fan types out there to make a definitive statement about all of them.</p></blockquote><p></p>
[QUOTE="John Roberts, post: 89569, member: 126"] Re: PSA: Blow it out yer amps! An interesting hypothetical. A car traveling at 1200+ MPH would surely have multiple issues. As a kid I recall a similar "stupid human trick" where we would spin up an actual car wheel bearing with a high pressure air hose. This was also advised against, perhaps because it was fun too. I would be more concerned about a real high pressure air hose, not some poofy canned air. I have never broken a fan with an air hose, but I have never spun one up to see how fast it would go. I guess I got that kind of thing out of my system growing up with an (air) compressor in the garage. In true WWW fashion, pick and choose what advice you wish to listen to. If I catch you spinning up fans on my amps, you're off the island. Strictly because it is outside the fans target design spec. In my experience as a design engineer making ASSumptions about how components will work, beyond their nominal specifications, can get you into expensive situations. JR PS: This may be a little like the popular mythology of turn-on thumps blowing up speakers. Just like we don't find cat skeletons up in trees, I have not personally experienced fans broken by compressed air cleaning, but I still do not endorse spinning them up. There are too many different variant fan types out there to make a definitive statement about all of them. [/QUOTE]
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PSA: Blow it out yer amps!
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