Interesting comment on freewheeling prop adding more resistance than one  
that is locked.  Would like to hear more comments from our C27  "experts".    
What say you Dr. Judy?
 
John  Jennings
83 C27,  5267
Inboard with FREEWHEELING PROP
 
 
 
In a message dated 9/8/2009 5:49:14 P.M. Eastern Daylight Time,  
[email protected] writes:

 
 
 
--- In [email protected]_ (mailto:[email protected]) ,  "dsavlin" 
<dsav...@...> wrote:
>
> I do the same. Lock  tranny in reverse. I saw a post that suggested a 
freewheeling prop adds more  resistance compared to one thats' locked under 
sail. Counterintuitive ?  //leroy

> Dunno how significant this is, but in my Universal M-15  manual, it
> states in all caps, underlined, and bold letters, never to  put the
> transmission in forward gear while under sail; always use  reverse gear,
> if you do not want the shaft to spin free.
>  
> On Persephone, we do this to reduce wear and tear on the cutlass  bearing
> and the packing gland. It probably costs us a small amount of  speed but
> we're pure pleasure cruisers so we don't care. Our cutlass  and packing
> gland are both still in fine shape after 7 years of  ownership.
> 
> David
> Persephone, '88 C27
> 
>  
> --- In [email protected]_ (mailto:[email protected]) ,  
"new_horizons_,  <new_horizons_new>
> wrote:
>  >
> > If it is not your prop shaft spinning free, it is most  likely your
> cutlass bearing rattling within its strut, which indicates  that it's
> failing and needs to be replaced. I had the same noise when  mine was
> failing. It sounded very much like the prop was free-spinning  under
> sail.
> >
> > --- In [email protected]_ (mailto:[email protected]) ,  
"sharon_speller" unclesharon@ wrote:
> > >
> > > I had  a new mystery noise coming from the stern cowling that is
> connected to  my blower hose. The noise happens when i am under sail,
> engine off.  All batteries are off. If im at the dock nothing. it sounds
> like a  motor whirling. the noise is coming from behind the engine. Near
> the  transmission and prop..... I think.
> > > Could it be the prop?  never had it happen before today.
> > > thanks.
> >  >
> >
>







[Non-text portions of this message have been removed]

Reply via email to