[C320-list] Burgee halyard

[Gene Helfman]

why not use small aluminum pop rivets instead of sheet metal screws?  then
you don't have the 2-metal issue at the spreader, and the downward stress
on the rivets is pretty minimal.  nylon washers are a great idea.

*Satori*
1997 #398

On Fri, Jan 25, 2013 at 10:29 AM, Utility Email <kswanson123 at comcast.net>wrote:

> I installed my eye strap and small block with two SS tapped screws to the
> underside of the aluminum spreader. I did not want to drill one larger hole
> through the entire spreader tip and bottom. We have a flag off of one and
> our Davis radar reflector off of the other one. Plenty of capacity without
> placing an eyebolt through the spreader top and bottom.
>
> Dave
>
> S/V Emily Ann
> 2007 C320 MK II
> No.1107
> Mukilteo, Washington
>
> On Jan 23, 2013, at 7:18 PM, Utility Email <kswanson123 at comcast.net>
> wrote:
>
> > I have burgee halyard installed on each lower spreader.  I use one for a
> courtesy flag and the other for a radar reflector.  One burgee halyard came
> with the boat from the factory, the other I installed.  Both with eye
> straps tapped and screwed into the underside of the lower spreader with
> small blocks integrally attached to the eye strap.  I used ss screws tapped
> into the underside of the lower aluminum spreader.  I coated the threads
> with Lanocote to help prevent eletrolosis between the ss screws and the
> tapped holes in the aluminum spreader.  I also used nonconductive nylon
> washers between the eyestrap and the aluminum spreader.  The factory
> installed eyestrap and block are attached to the spreader with ss rivets.
> >
> > Dave
> >
> > David Swanson
> > S/V Emily Ann
> > 2007 C320 MK II, No. 1107
> > Mukilteo, WA
> >
> > On Jan 22, 2013, at 3:37 PM, dprudden wrote:
> >
> >> For anyone who has a burgee halyard on the starboard lower
> spreader-should I use a through-bolt for the halyard block or an eye strap
> screwed into the spreader?
> >>
> >> Thanks,
> >> David Prudden
> >> #787
> >>
> >> Sent from my iPhone
> >
>



-- 
Gene Helfman, Professor Emeritus
Odum School of Ecology, University of Georgia
PERMANENT address:
    498 Shoreland Dr., Lopez Is., WA 98261
    (360) 468-2136
    genehelfman at gmail.com

"You noticed nobody gives a damn about beached minnows."