ulflyer(at)verizon.net
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 Posted: Wed Jan 06, 2010 11:54 am Post subject: Question about 16V POLYFUSER Radial Leaded Resettable PTC |
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With regards to the use of Polyfues I believe there was something in
a recent issue of Kit Planes (hunting for it now) that the FAA does
not accept their use in certified aircraft - some thing about if
there is a problem with a circuit they want the circuit protection to
keep the circuit disabled and not to re-energize itself
automatically. You may be able to use them in experimental but if
your building in Sport LSA, that may be an issue. I'm trying to find
the issue and page where I read this.
jerb
At 08:23 PM 1/5/2010, you wrote:
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I have an EXP bus that I have been considering for my
project. (That I got for a $40, delivered.) It looks like a slick unit.
I can understand the concern for a circuit resetting itself after
the power is restored...but isn't that a reason we put switches on
things?...Like leave that circuit off if it has a problem...
Sorry, just don't see the design as having much of a downside. If
you think you may accidentally turn the thing back on, put some red
tape on the switch or something...pull the wire.
Al
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 80326#280326
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