switch failure

wgalligan wgalligan at cnbcom.net
Tue Mar 25 05:34:22 AKST 2003


Thats what I though so it is stange it is working that way.  And it is not possible to hook up wrong so go figure.

> Wayne:
> 
> That's kinda backwards!  Most regulators will not fully regulate until they
> have some load on it.  That is, if the regulator is supposed to be a, say,
> 5.1v, it may be at 5.3 or 5.4v until it gets roughly a 100 ma load on it.
> Then it will lock in at 5.1v.
> 
> I suggest that you need to send it back to the manufacturer for replacement!
> 
> Tony Stillman
> Radio South, Inc.
> 3702 N. Pace Blvd.
> Pensacola, Fl 32505
> www.radiosouthrc.com
> 800-962-7802
> ----- Original Message -----
> From: "wgalligan" <wgalligan at cnbcom.net>
> To: <discussion at nsrca.org>
> Sent: Tuesday, March 25, 2003 8:00 AM
> Subject: Re: Re:switch failure
> 
> 
> > Everyone...   Thanks for the condolences... the Prophecy served me well
> for over 2yrs.
> >
> > Great... Tony,  I'll order one when I send this receiver in.
> >
> > I tested this switch again last night.  Seems with a std VOM its output
> tested 5.97v which is where it is suppose to be at.  However when there is a
> load on it like with my expanded scale meter it would only put out 4.2.  So
> it seems the regulator is not regulating properly but only when a load is
> put on it.
> >
> > Wayne
> >
> >
> > >
> > > Futaba now has a HD switch, but the JR is very good also.  If you want
> the
> > > regulator type, ours has a good track record!
> > >
> > > Tony Stillman
> > > Radio South, Inc.
> > > 3702 N. Pace Blvd.
> > > Pensacola, Fl 32505
> > > www.radiosouthrc.com
> > > 800-962-7802
> > > ----- Original Message -----
> > > From: "wgalligan" <wgalligan at cnbcom.net>
> > > To: <discussion at nsrca.org>
> > > Sent: Monday, March 24, 2003 2:10 PM
> > > Subject: Re:switch failure
> > >
> > >
> > > > Thia is a rather an odd instance.  I will recharge the battery and
> check
> > > again.  It is not possibLe to hook this MPI up backwards.  Anyway I will
> be
> > > sending you my Futaba PCM reciever as the antenna got jerked out and got
> > > sprayed with fuel.  Perhaps you could recommend a good h.d. switch Tony.
> > > >
> > > >
> > > > > Wayne:
> > > > >
> > > > > I have not heard of a problem like this with anyone's regulator!
> There
> > > were
> > > > > a few failures of the Oddino unit, but it would just not turn on.  I
> > > don't
> > > > > know of any that failed in the air.
> > > > >
> > > > > Tony Stillman
> > > > > Radio South, Inc.
> > > > > 3702 N. Pace Blvd.
> > > > > Pensacola, Fl 32505
> > > > > www.radiosouthrc.com
> > > > > 800-962-7802
> > > > > ----- Original Message -----
> > > > > From: "wgalligan" <wgalligan at cnbcom.net>
> > > > > To: <discussion at nsrca.orgdiscussion@nsrca.org>
> > > > > Sent: Monday, March 24, 2003 10:06 AM
> > > > >
> > > > >
> > > > > > I had an unfourtunate mishap yesterday and lost my Prophecy.  Come
> to
> > > find
> > > > > my redundant or failsafe switch failed on me.  I was using a MCI
> Miracle
> > > > > swith that has a regulator on it and has mechanical fail safe if
> switch
> > > > > breaks down the system is on till the battery is unplugged. I found
> out
> > > when
> > > > > testing the battery to make sure I had juice.   Through the battery
> lead
> > > I
> > > > > had 6.5v and at the charge plug I had 6.5 but when tested through
> the
> > > > > receiver end of the switch I had only 4.2v.  Below the recivers
> voltage
> > > > > threshold.  Went into pcm lock up and throttled down and into a slow
> > > spiral
> > > > > death.  At least the throttle came down by pcm failsafe.  SO it
> appears
> > > the
> > > > > regulator side of this switch went bad.  SO Much for failsafe.  Has
> > > anyone
> > > > > heard of such failure on these types of switches?  And is it really
> > > > > neccesary to voltage regulate a 6volt system.  I know when peak
> charged
> > > the
> > > > > pack is at 7 volts on an expanded meter.   I have recently gone to
> > > 1500mil 4
> > > > > cell pack on my new plane to eliminate the regulator part.
> > > > > >
> > > > > > Wayne
> > > > > > =====================================
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> > > > > >
> > > > >
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