[Rhodes22-list] Boom Vang question for Roger
Todd Tavares
sprocket80 at mail.com
Wed Aug 11 10:53:10 EDT 2004
Roger,
I have read the FAQ's several times where you described you boom
vang setup. How far out along the boom did you put the HD eye strap,
and how did you attach it?
Todd
----- Original Message -----
From: "Roger Pihlaja"
Date: Wed, 11 Aug 2004 06:42:02 -0400
To: "The Rhodes 22 mail list"
Subject: [Rhodes22-list] Sailing With The Boom In The Lower Position
> Jim,
>
> Normally, when we talk about setting the boom in the lower position,
we mean
> about 2 feet above the pop top. There should be a stop on the mast
to limit
> the travel of the slider on the boom's gooseneck. Lowering the boom
reduces
> the length of the moment arm from the mainsail's center of effort
(CE) to
> the boat's center of gravity (CG). Reducing this moment arm causes
the
> mainsail to generate less torque about the CG & thus reduces
heeling. As
> you noted, when the boom is lowered to just above the pop top, the
geometry
> of the mainsheet from the traveller to the aft end of the boom gets
very
> unfavorable. You s hould inspect the tang on the end of your boom.
The tang
> is a piece of electropolished stainless steel bar stock that is
attached to
> the aft end of the boom at one end & to the upper block on the
mainsheet
> tackle on the other end. The tang should be straight. But, operating
the
> boom just above the pop top may very well have bent the tang. If the
tang
> is bent, it will have to be replaced. Do not try to straighten it.
>
> Yes, the unfavorable geometry of the mainsheet will allow the boom
to rise
> up & create an undesireably full mainsail shape. It is better to
leave the
> boom up a few feet & partially reef the IMF mainsail. Then, your
mainsheet
> can exert some downward force on the end of the boom to keep it from
rising
> up. I would also expect that you were experiencing fairly severe
weather
> helm if you had the full mainsail up under these conditions. This
weather < BR>> helm severely limited your boat's capability to sail to
weather.
>
> The Rhodes 22 hull develops weather helm as it heels over. The hot
setup
> for the conditions you were sailing in would have been to reduce the
area of
> the mainsail down to about 50%. Put up sufficient genoa sail area
such that
> the angle of heeling was limited to about 30 deg (rub rail just
going under)
> in the strongest gusts. I would guess about 125% would have been
about
> right. Now your sailplan would have had more genoa & less mainsail.
The
> larger foresail area would have caused lee helm. But, this lee helm
would
> have been counteracted by the weather helm developed by the hull as
it
> heeled over. With a little experimentation, you will quickly
discover
> mainsail area & genoa area settings that result in nearly neutral
helm under
> virtually any conditions. This setup will get you sailing as e
fficiently to
> weather as possible. Just remember to reduce mainsail area 1st &
keep as
> much genoa sail area up as possible.
>
> My Rhodes 22 has the standard mainsail & I have a boom vang.
However, I've
> not heard of anyone with the IMF mainsail retrofitting a boom vang.
A boom
> vang would have been very helpful in your situation. I don't know
why GBI
> doesn't fit a boom vang on the IMF mainsail boats.
>
> Hopefully, this helps Jim. Good luck!
>
> Roger Pihlaja
> S/V Dynamic Equilibrium
>
>
> ----- Original Message -----
> From:
> To: "The Rhodes 22 mail list"
> Sent: Tuesday, August 10, 2004 8:54 AM
> Subject: Small Craft Warnings (WAS Re: [Rhodes22-list] An
introduction)
>
>
> > About ten days ago I had my R-22 out in what proved to be
borderline small
> craft warning conditions. Winds 15-20 out of the NNE (which provides
least
> shelter in my harbor) with gusts near 30.
> > The forecast (NW 10-15 gusts to 20) was in error. I was
single-handing.
> When I went out saturday, I was not mentally prepared for the actual
> conditions. I should have set up the boat differently also. I scared
> myself a couple of times, and the best that can be said about it was
that
> nobody got hurt and nothing broke.
> > I went out again on sunday in *slightly* less gusty conditions. I
lowered
> the boom to sitting on the pop top and kept the jib furled to about
100%.
> Pointing ability was reduced (jib). Things overall went much better.
It's
> nice to verify what you all have said that the boat can handle.
> > One thing I noticed was that, with the boom in the lowered
position, the
> traveler is relatively high compared to the boom end, and the
mainsheet
> seems to exert less downward force on the boom. This looks like it
would
> produce a fuller sail shape, which is not what one might prefer in
high
> winds. Is my intuition correct, and, if it is, is there any solution
for
> this? In th absence of a vang, is there anything that can be done
about
> this?
> > This past saturday I was out in steady 5-10 kt west wind, cool
temps near
> 70 and dry. I had my crew with me (nearly 3 year old son and 8 month
> pregnant wife). We all had a lot of fun on a nice easy sailing day.
If I
> had had them with me the previous saturday, and been stupid enough
to leave
> the mooring, I would be sailing single-handed for the rest of my
life.
> > It's a good boat. The boat can probably withstand worse conditions
than
> you can, but you probably won't enjoy the process.
> > BTW, I have the vertical batten IMF main that looks the same as R
ummy's
> though it is about a year older. I have not sailed the "old" IMF
main, so
> can't discuss relative performance.
> > Jim Connolly
> > s/v Inisheer
> > '85 recycled '03
> > -------------- Original message --------------
> >
> > > Dennis,
> > >
> > > The Rhodes 22 will handle small craft warnings on Saginaw Bay or
Lake
> Erie
> > > just fine. Consider that in July of 1991, my 2 sons & I did a
week-long
> > > loop of western Lake Erie. At the time, Daniel was 8 years old &
Gary
> was 5
> > > years old. We launched from the western side of Sandusky Bay &
sailed
> out
> > > to Kelly's Island. We stayed two days on Kelly's Island & then
crossed
> Lake
> > > Erie over to Pelee Island. After Pelee Island, we crossed Lake
Erie
> again &
> > > s tayed on Middle Bass & South Bass Island. We ended up the week
at the
> > > Cedar Point Marina. We sailed in all sorts of conditions, small
craft
> > > warnings, dead calm, & even a thunderstorm! Dynamic Equilibrium
took it
> all
> > > in stride.
> > >
> > > FYI, visiting Cedar Point Amusement Park by boat is great. The
marina
> has
> > > its own restaurant, rest rooms, shower facilities, & its own
private
> > > entrance into the amusement park . You party in the amusement
park until
> > > they close, walk to your boat which is probably closer than your
car
> would
> > > be parked, & crawl into your bunk. There's no fighting traffic &
no
> long,
> > > tiring drive home. It truely a most civilized way to do Cedar
Point!
> > >
> > > I recommend you 1st get some experience on t he small inland
lakes in
> your
> > > area before you tackle blue water. I believe Whitmore Lake has a
marina
> > > which rents dock space. If you can afford it, take a slip for
the
> season.
> > > You will use your boat much more often if it's already in the
water. The
> > > Rhodes 22 comes alive when there are small craft warnings up.
But, you
> do
> > > need to know what you're doing or it can be pretty scary.
> > >
> > > Roger Pihlaja
> > > S/V Dynamic Equilibrium
> > >
> > > ----- Original Message -----
> > > From: "Dennis McNeely"
> > > To: "The Rhodes 22 mail list"
> > > Sent: Monday, August 09, 2004 7:15 PM
> > > Subject: Re: [Rhodes22-list] An introduction
> > >
> > >
> > > > Thanks for the welcome.
> > > > > > > > I'll probably try to do some sailing in Saginaw Bay. I
agree with
> Roger's
> > > > comment that many local lakes are marginal in size for sailing
the
> Rhodes,
> > > > and Lake Erie is fairly shallow and seems to have small craft
warnings
> up
> > > > often.
> > > >
> > > > I'll do a bit of lurking and reading the list archives while
working
> on
> > > the
> > > > boat. It'll have to do for now.
> > > >
> > > > Dennis McNeely
> > > >
> > > > At 09:26 PM 8/7/2004, you wrote:
> > > > >Dennis,
> > > > >
> > > > >Welcome to the list! I'm probably the closest Rhodes 22 owner
to you.
> I
> > > > >have a 1976 model & I live on Sanford Lake, about 2-1/2 hours
north
> of
> > > you
> > > > >up US-23 & I-75 to Bay City & then west on US-10 about
halfway to
> Clare.
> > > > >
> > > > >Where will you sail; Ford Lake, Belleville Lake, Whitmore
Lake, one
> of
> > > the
> > > > >many small lakes to the northwest of Ann Arbor, or? I've
canoed on
> Ford
> > > > >Lake, lots of power boat & PWC traffic. The only lake in that
area
> I've
> > > > >sailed on is Whitmore Lake, it's not bad, although a little
on the
> samll
> > > > >side for a Rhodes 22.
> > > > >
> > > > >Give me a shout if you have any rigging questions.
> > > > >
> > > > >Roger Pihlaja
> > > > >S/V Dynamic Equilibrium
> > > > >
> > > > >----- Original Mes sage -----
> > > > >From: "Chris Geankoplis"
> > > > >To: "The Rhodes 22 mail list"
> > > > >Sent: Saturday, August 07, 2004 9:02 AM
> > > > >Subject: Re: [Rhodes22-list] An introduction
> > > > >
> > > > >
> > > > > > Welcome to the list Dennis,
> > > > > > You have indeed found the
> > > > >fount
> > > > > > of all things Rhodes (and a lot more). Be sure to check
out the
> > > archives.
> > > > > > Again welcome to Da List.
> > > > > >
> > > > > > Chris G.
> > > > > > Medford OR
> > > > > > '83 Rhodes
> > > >
> > > > __________________________________________________
> > > > Use Rhodes22-list at rhodes22.org, Hel p? www.rhodes22.org/list
> > > >
> > > >
> > >
> > >
> > > __________________________________________________
> > > Use Rhodes22-list at rhodes22.org, Help? www.rhodes22.org/list
> > __________________________________________________
> > Use Rhodes22-list at rhodes22.org, Help? www.rhodes22.org/list
> >
> >
>
>
> __________________________________________________
> Use Rhodes22-list at rhodes22.org, Help? www.rhodes22.org/list
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