[C320-list] compass

Onat Dogruer onatdogruer at gmail.com
Tue Jan 16 07:16:39 PST 2018


Hello there,

Ours is Ritchie SP-5C Globemaster. I had to refill about a year ago.

Onat
S/V Kittiwake
#546, 1998

On Sat, Jan 13, 2018 at 8:36 PM, Elizabeth Schwartz
<schwartz781 at optimum.net> wrote:
> Ahoy all....does anyone know the model # of the binnacle mounted
> compass......it a Ritchie Powerdamp.......is it 4 1/2 diameter mount? Mine
> is badly scatched and am looking to replace......Joe....#245
>
>
> On Sat, Jan 13, 2018 at 06:01 PM, Amirault Family wrote:
>
>> Ted:
>>
>>
>> Only my .02$, and for our American readers worth less (worthless?) as it
>> is
>> in Canadian funds. I faced this issue on my '01 in '14 and discussed my
>> needs with my local sail maker representative - the only one here is
>> Doyle,
>> but any would do as well. Generally we are all interested in performance,
>> longevity, and price; and not necessarily in that order. I race (poorly)
>> Thursday night JAM on the local river in Ottawa. Here's how it unfolded
>> for
>> me.
>>
>>
>> There are choices in type of materials, and sub-choices in quality within
>> a
>> category. The best bang for my buck (NOT the best sail) was high modulus
>> and
>> more expensive Dacron with a radial cut. Dacron lasts longer and is
>> cheaper;
>> an important consideration when presenting the proposal to the local Board
>> of Economy. Additionally, its performance deteriorates slowly over time
>> without actually failing. This is why you can see boats propelled by their
>> original 30 year old Dacron sails while never seeing boats propelled by
>> their original 30 year old Mylar sails. Opting for radial rather than slab
>> cut makes a significant increase in price, but the extra labour yields a
>> sail of better shape which retains that shape for longer as the Dacron
>> begins to relax with the years. As mentioned by others, a foam luff will
>> greatly support general sail shape when furling.
>>
>>
>> Shape of the sail. I race with a full and robust crew, but also
>> casual/cruise sail with only my low-upper-body-strength spouse for crew.
>> The
>> then current headsail was the original 150. Because I river sail, and as
>> the
>> prevailing wind is downriver, on most weekends you're in crowded water and
>> everyone is doing frequent tacks as you quickly run out of river on
>> approaching the shore. To that end, vision forward with only
>> spouse-as-crew
>> was VERY important to me as you really need to see. I asked Doyle for a
>> full
>> Yankee cut which would yield a very high foot at a sharp angle. Doyle
>> wouldn't do it claiming the customer is NOT always right and I would
>> regret
>> it, so we settled for a modified Yankee with a more shallow rise but not
>> parallel to the deck. This compromise proved correct as ther eis more sail
>> area than with the "full Yankee" but I still get good vision while sitting
>> to the side of the wheel.
>>
>>
>> Size of the sail was influenced by climate and my cruising crew situation.
>> On race nights here, because land is so close on both sides of the water,
>> the wind is frequently gusting double digits at race start and reduces to
>> light by the time the sun begins to set and so we often begin a race with
>> at
>> least one reef which we let out as the wind conditions allow. So we find
>> that the best balance rather than using the 150 is to start with a reef
>> and
>> either some furl or the full 135. For cruising my spouse will not take the
>> helm in less than dire circumstance and so when tacking and furling I'm
>> handling the wheel and she the sheets. She has problems handling the 150
>> in
>> any wind, so I needed less sail to ease her workload, and settled on the
>> 135. This size has proved optimal for cruising with the spouse as it is a
>> good balance between ease of handling that you get and performance that
>> you
>> give up when moving to a smaller sail. In moderate wind while racing, the
>> radial cut smaller jib actually gives me better speed and pointing than
>> the
>> original larger slab cut sail. HOWEVER.if you are racing, I would not
>> recommend the 135 for a C320, and would not elect this size again, as
>> there
>> are some things that you just can't know until you actually fly your new
>> sail. In good wind, and as cut, the 135 cannot be sheeted in as far as I
>> would like for optimal performance because by coincidence the spreader
>> rests
>> just inside the sail area and there is insufficient billow to the sail to
>> fully sheet the sail in while keeping the material off the spreader; so
>> we're forced to adjust it just a little out of trim to keep the fabric
>> free
>> of contact.
>>
>> So there you have it. Your local wind may be lighter. You may not pine for
>> race performance. Your budget may be more or less constrained. You and all
>> those around you may be able to hold a tack much longer. There are plenty
>> of
>> permutations which would suggest a solution other than mine. The above
>> works
>> for me.
>>
>>
>> Regards;
>>
>>
>> Brian Amirault
>> 797 Waltzing Bear, too
>>
>>
>


More information about the C320-list mailing list