[Public-List] To Gord, Mike, Joe B and the rest of the smart guys
Joseph Balderson
joebinc at gmail.com
Sat Sep 1 14:41:52 PDT 2018
150' of 1/4" chain. Thats a lot of wt fwd. Why so much chain?
On Mon, Aug 27, 2018, 4:48 PM Gordon Laco via Public-List <
public-list at lists.alberg30.org> wrote:
> Hi there -
>
> I need to offer a correction to the descriptions… the length of the chain
> is 150’, not 200’ as I wrote…
>
> Gordon Laco
> www.gordonlaco.com
>
>
>
>
> > On Aug 27, 2018, at 3:12 PM, George Dinwiddie via Public-List <
> public-list at lists.alberg30.org> wrote:
> >
> > Gord, your new photographs are now added to
> http://www.alberg30.org/maintenance/DeckGear/BowrollerOnSurprise/
> >
> > - George
> >
> > On 8/27/18 8:26 AM, Gordon Laco via Public-List wrote:
> >> Good morning friends -
> >> I’ve sent George a couple of photographs of SURPRISE’s anchor roller
> set up with the Bruce anchor we currently use in place. I took the photos
> last evening after supper.
> >> Anticipating questions about the actual piece of kit I installed… here
> is a detailed description.
> >> The roller assembly is an obsolete Ronstan fitting which I found in the
> sale bin of one of the boatyards I supply. That’s the bad news. The good
> news is that there are others currently made which I am sure would serve
> equally well - perhaps better - because I had to modify the one I’ve got in
> order to make it work.
> >> I had the base extended by four inches by means of a 1/4” thick
> stainless steel plate welded to the base. My intention was to give the
> fitting deeper reach aft so that I could secure it with five studs, which I
> drove into drilled and tapped holes in my bow casting.
> >> As I’ve written earlier, I wish I had made the extension one or two
> inches longer, so that there was no possibility of the anchor contacting
> the bow when it’s being hoisted that last bit onto the roller for stowage.
> As things stand, it rarely touches, but from the marks on the bow I see
> it has indeed touched three times over the years; and that’s not bad.
> >> I value the way the setup stand mainly because it is very short, so
> maximizes the strength of the whole deal. I like how it holds the anchor
> very securely when we’re sailing, and I also like how unobtrusive it is
> with regard to aesthetics.
> >> The roller itself is aluminium… in the 18 years it has had our chain
> running back and forth over it, the chain has worn the softer metal. I’m
> thinking of looking for a delrin roller to replace the aluminium one… I
> expect that will be on this winter’s list. If I can’t find one off the
> shelf, I’ll have one made at our local machine shop.
> >> Gordon Laco
> >> Surprise 426
> >>> On Aug 26, 2018, at 11:10 AM, Marcelo D. Gentinetta via Public-List <
> public-list at lists.alberg30.org> wrote:
> >>>
> >>> Good morning,
> >>> My boat’s bow roller and anchor set up is pictured on the A30 website
> under her previous name Sally B. I felt that the bow platform as built by
> the previous owner was too long and hence weaker than I would like to be. I
> ended up cutting 8 inches off the end and remounting the bow roller closer
> inboard. It has gained much more strength this way. I have a 10kg Rocna on
> it now.
> >>>
> >>> Marcelo
> >>> #441
> >>>
> >>>> On Aug 25, 2018, at 4:31 PM, George Dinwiddie via Public-List <
> public-list at lists.alberg30.org> wrote:
> >>>>
> >>>> Gord,
> >>>>
> >>>> Are these the photos you mean?
> http://www.alberg30.org/maintenance/DeckGear/BowrollerOnSurprise/
> >>>>
> >>>> - George
> >>>>
> >>>> On 8/25/18 4:50 PM, Gordon Laco via Public-List wrote:
> >>>>> Hello Gents - ‘
> >>>>> I am of the tribe that believes that the anchor roller needs to be
> as small and short as possible… for reasons of strength, utility and
> aesthetics.
> >>>>> The shorter the lever arm you build into the fitting, the stronger
> it will be where it interfaces with your bow and deck. We should always
> bear in mind that when our boats were designed and built, nobody imagined
> that long sprit-like anchor davits would be cantilevered out there.
> >>>>> With all that in mind, I fitted one to SURPRISEs bow… I wish I had
> made it one inch longer, which would have made it impossible for the tip of
> the Bruce we currently carry up there to contact the stem, but no matter…
> the bow fitting we have is immensely strong and quite inconspicuous… and in
> 9 anchors aweigh out of 10, the tip of the fluke doesn’t touch the bow.
> >>>>> John, I’ll send photos to you…and anyone else who asks.
> >>>>> Cheers -
> >>>>> Gordon Laco
> >>>>> #426 Surprise
> >>>>> PS - my sons and I are convening a meeting of the
> Midland-Penetanguishene Cultural Appreciation Society in order to view the
> remake of ‘Papillon’, reputed by reviewers to be more brutally violent than
> the original starring Steve McQueen. Mom is staying home.
> >>>>>> On Aug 25, 2018, at 4:43 PM, John Johnston via Public-List <
> public-list at lists.alberg30.org> wrote:
> >>>>>>
> >>>>>> I am in the process of mounting a new self-deploying bowroller on
> # 69, and what I have come up with is a 1/2” aluminum fabricated piece that
> rests on the existing bronze bow fitting, with a 316 bowroller atop of
> that, the aluminum extending aft far enough to attach through a “ bridge”
> that can be throughbolted through the deck with a mounting plate beneath.
> At the bow the aluminum will be drilled and then the bowroller will be
> fastened through the aluminum and into tapped holes in the bronze. There is
> room for one through bolt to gain purchase. It will certainly be strong
> enough on Day 1, but am I building a sandwich of dissimilar metals that is
> doomed to fail? I suspect that the bolts strapping it together would be
> bronze, because that would be the material I am threading into, but I have
> a growing sense that the design might be ill-considered. Perhaps the
> sandwiched piece between bronze and stainless would better be wood? Advice
> would be very welcome, not the least because the aluminum piece is due to
> be fabricated from a template I made, and the cost of that is not at all
> negligible. Especially if it don’t work. I look forward to hearing from the
> Alberg Brain Trust. Thanks!
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> >>>> --
> >>>> ----------------------------------------------------------------------
> >>>> When I remember bygone days George Dinwiddie
> >>>> I think how evening follows morn; gdinwiddie at alberg30.org
> >>>> So many I loved were not yet dead, http://www.Alberg30.org
> >>>> So many I love were not yet born. also see:
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> >>>> ----------------------------------------------------------------------
> >>>>
> >>>>
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> > --
> > ----------------------------------------------------------------------
> > When I remember bygone days George Dinwiddie
> > I think how evening follows morn; gdinwiddie at alberg30.org
> > So many I loved were not yet dead, http://www.Alberg30.org
> > So many I love were not yet born. also see:
> > 'The Middle' by Ogden Nash http://idiacomputing.com
> > ----------------------------------------------------------------------
> >
> >
> >
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