switch failure

[wgalligan]

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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