[Rhodes22-list] Wiring Q. with the electric O/B lift

[Michael D. Weisner]

David,

I do not understand how a diode rectifier configured as a half-wave, 
full-wave or bridge would be damaged if operated without a load.  These 
outboards typically utilize a magneto design and should be perfectly happy 
to operate in any condition, wired or not.  I think that Rummy was referring 
to damage of the excitation winding of an alternator design if battery 
voltage is continuously applied without the cooling provided by engine 
operation.

Mike
s/v Shanghaid'd Summer ('81)
       Nissequogue River, NY

From: <david.walker5 at comcast.net> Friday, August 28, 2009 9:13 PM
> On inboard engines and possibly bigger outboards with alternators, the 
> rectifying diodes can be blown if the load is removed.  This is why 
> battery switches for selecting battery banks (the off- 1-2-both switch) 
> will usually be a make before break design and have warnings not to switch 
> to off with the engine running.
>
> Our small outboards don't have alternators and the currents are much lower 
> so switching the battery off may not hurt it. Any way, its the diode that 
> would blow, not the coil and they are relatively easy to replace.
>
> Dave Walker
> Sent from my Verizon Wireless BlackBerry
> __________________________________________________
> To subscribe/unsubscribe go to 
> http://www.rhodes22.org/mailman/listinfo/rhodes22-list
>
> For the list Charter and help with using the mailing list and archives go 
> to http://www.rhodes22.org/list
> __________________________________________________
> 


-- 
I am using the free version of SPAMfighter.
We are a community of 6 million users fighting spam.
SPAMfighter has removed 5463 of my spam emails to date.
Get the free SPAMfighter here: http://www.spamfighter.com/len

The Professional version does not have this message