Pete,
Are you talking about the topping lift????
 
Rummy
 
 
In a message dated 5/15/2008 2:36:26 P.M. Eastern Daylight Time,  
petelauritzen at earthlink.net writes:


I  just went through this on the keys trip. I also get a hummmmming noise.  I
felt around the boat and it did not seem to be the IMF. I could feel the  hum
more in the boom, but that wasn;t the source either. It was the boom  cord
going from between the rear stays all the way to the top. It gets  a
frequency going. I bungeed the boom cord at the rear to the rear stays  and
that was all she wrote. 


Al:

I get a hummmm... which  increases as wind increases... HUMMMM...

Ed K
Greenville, SC,  USA
"The latest survey shows that three out of four people make up 75% of  the
population."





keblinskas Keblinskas  wrote:

> 
> 
> I keep my '97 Rhodes 22 on the Boca Ciega Bay  of St. Petersburg, FL ,
> docked on a lift, with mast
> up, at my  back yard seawall, on the St. Pete Beach island side of the bay.
> The  dock is fairly well
> sheltered around all points,except the North. The  periodic winter cold
> fronts blow in from the North
> with 20+  knot gusty wind which produces a horrendous wailing howl in the
>  rigging/mast.
>  
> While docked, the boat's stern faces NE ;  it seems to me the wailing noise
> must be caused by the wind entering  the IMF's hollow mast groove and then
> exiting near the top producing  the howl, like an organ pipe. I don't think
> the noise is from the  shrouds.
>  
> Please let me know if any of you have  experienced or heard of someone else
> running into something
>  similar, with any IMF system. If so, has anybody come up with a method  to
> mitigate this problem,
> other than lowering the mast /  derigging or docking the boat so that the
> stern (and mast  groove)
> faces to leeward?
>  
> Your comments will be  very appreciated, so I thank you in advance,
>  
> Al  Keblinskas
> 
> 

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