Stus-List 3D File

As a new owner of a 34 (38 years old) I want to try to create a 3D file of the boat . . . . . Does anyone out there have anything already that is close to a C 34 . . . . ? I can manipulate a different boat if anyone has one that is similar . . . . I'm using a Program called MicroStation, but I

Re: Stus-List CnC-List Digest, Vol 152, Issue 12

I can't figure out how to respond to a specific posting . . . . Cheers, Rob Ball Chief Design Engineer  Tel 508-995-9711 Edson International    Email: r...@edsonintl.com     -Original Message- From: CnC-List On

Re: Stus-List Rob Ball Drawing of C 30 MK I?

Randy, I worked one summer while going to Michigan, and started at Cuthbertson and Cassian in 1969 when I graduated . . . In 1973, Big George wanted to retire early, and he handed me the Chief Designer job (much to my surprise). The C 30 was very much a development of the C 27, and I did the

Stus-List Grenadine's Paint Job

Randy, My daughter makes a point about chasing C owners to pitch them to make sure they get the boat's name painted in that spot in the Cove Stripe. So, Look Out - she'll be after you . . . . . . . . . . On Oct 31, 2018, at 9:49 PM, Randy Stafford mailto:randal.staff...@icloud.com>> wrote:

Stus-List C 35-3 Actual Drive

The boat was designed with a depth of 6'-5 inches in salt water. If it were floating in fresh water it would sink .3", so the draft would be 6'-5-1/2" It takes 875 pounds to sink the boat one inch. So if there is double that added since building, then the draft would be 6'-5" plus .3" plus 2"

Stus-List Baby stay (bs) bs

We supplied the boats with Baby Stays, knowing that the mast could be tuned with a bit of bend so that it was not needed. However, when the boat was brand new, on the first sail, and not tuned yet, things could go south. So, we kept them on the boats. In a violent seaway they do stabilize a

Re: Stus-List Baby stay (bs) bs

Wade, Once we went to In-Line shrouds as opposed to double lowers, the baby stay was introduced to tension the mast forward . . . With experience, most boats were able to eliminate the use of the baby stay if you had even a small amount of pre-bend aft. We couldn’t rely on you setting the

Stus-List 37+ Rudder Bearing

Gary, When you get the new bearings(bushings) made – there are better materials out there for the job. I have seen graphite lined and different mixtures of materials that are tougher and more slippery . . . Cheers, Rob Ball – C 34 From: Gary Russell Sent: Tuesday, November 6, 2018 7:39 AM

Stus-List 37+ Rudder Bearing

Presumably you only need to work on the bushings if the rudder post is flopping around . . . . If you have the ‘Velvet Touch’ on the helm, maybe your rudder post is a lot happier . . . . . Ha . . . . I’ve designed a couple of needle bearings in my time, so if I was rich, I’d be trying to get

Re: Stus-List 1978 C 26

As mentioned, the C 30 is the stiffest boat we ever did, and there are enough of them around, that there are good prices . . . AND, it has standing headroom – the 26 – not so much . . . . . Cheers, Rob Ball Chief Design Engineer Tel 508-995-9711

Re: Stus-List Corner grabs

We made some in polished stainless for Barry Carrol years ago, but sadly, when they stopped using them we stopped making them. I hoarded a bunch for a while, but never found a home for them . . . . But I’ll bet someone somewhere has replaced their table, and they have them in the back of

Stus-List C 34 Mast

I'm a new owner and gearing up for lift out next month. When they drop the mast (with complete rigging), how many hundred people will it take to carry it to the back of the lot . . . . . ? Any idea how many pounds it might weigh ? Cheers, Rob Ball, C 34 'Escapade'

Stus-List Cockpit scupper drains

When I first worked at C, I did a number of calculations figuring out how big the drains had to be, in order to empty the cockpit quickly enough . . . . . Later on, of course we did some open transoms - dangerous everyone said - but it turned out they were actually safer . . . . . Rob Ball.

Stus-List Saturday morning reading - Wikipedia Article

Rick, The C 30 was my first Lines Drawing, but it was Big George telling me what to do. I don't remember any mods to the rudder, but it indeed was a while ago. The design was very much a development of the 27. Once we started being able to actual 'compare' the stability of different designs- it

Stus-List Pocket Rowing Skiff

I have one in our pond. I am very proud of the design, since I had no previous experience, and it turns out to be a dream to row . . . Cheers, Rob Ball C 34 ___ Thanks everyone for supporting this list with your contributions. Each and every one

Stus-List C removing adjustable jib tracks

Bob, There was no core anywhere on the deck if that part was on the original deck plan from the design office. I can't remember if that track was on the original deck plan. So, it will depend on that particular design's history. But, for sure the intent is/was that all serious deck fittings

Stus-List 1990 37+/40 For Sale [Not Mine!]

Every single boat larger than 35 feet at C was balsa cored . . . Rob Ball, C 34 ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send

Stus-List 1990 37+/40 For Sale [Not Mine!]

$ 50K doesn’t sound like a serious thought-out number . . . Living where I do, near boat builders, fixing fiberglass is normal everyday stuff . . . . I can see a DIY type buying the boat and working at it slowly . . . the end result being a terrific boat . . . . Rob Ball, C 34

Stus-List C 34 Cockpit

All the 34's used the same deck mold, so any change would be a very big deal . . . The windows can be changed quite easily - it's a removable insert in the mold. As long as it's a 34, and not a 34R or 34 +, the decks were all the same. I suppose you could change the helmsman's hump, but that

Stus-List C 37R Auto-pilot

I am working with a guy who is trying to install an autopilot in his 37R. It seems he thinks there isn't enough available space (Who designed such a boat anyway) . . . . Any experience here from you guys . . . . ? Cheers, Rob Ball, Edson Chief Design Engineer  

Re: Stus-List C 30 -Foredeck Track (was Anchor roller and anchor locker?)

I sailed a lot on the first Redwing 35, Redhead, and we had an over length spinnaker pole - so it had to be robust. As a result, at the right wind angle we could fly the chute And the jib and we were wicked fast . . . . . Sailed the length of Lake Ontario following the wind angle rather than the

Re: Stus-List Rudder Shaft Material

So there are C out there with both solid and tube stocks. The ideal tube for rudder posts was Schedule 160 pipe. But, when you phone up a supplier and ask for some, he says 'How many thousand feet would you like. That's a special order you know' . . . . . So, you end up balancing between a

Stus-List Keel bolt question

Those square plates are steel washers to spread the load - the Wider the better. They were often mild steel (to cut costs). Admittedly they block water. The best solution is to fill in between them - which of course isn’t that much fun . . . . . Cheers, Rob Ball

Re: Stus-List Genoa track leaking on a '94 37/40+, can't seem to access underside?

Was this track installed when the boat was built . . . . ? I know that occasionally fittings were installed by laminating a strip of aluminum into the laminate – then tapped, so the machine screw didn’t have a nut on the under side. Having lost most of my memory now, I can’t say if this was

Re: Stus-List Genoa track leaking on a '94 37/40+, can't seem to access underside?

I got word from the C glass shop. They only used the laminated-in tracks on the new 30 ., . . . So, I misled you . . . . Rob Ball ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you

Re: Stus-List Hull windows

I would love to have Windows in the hull. But, as you mention they are always Ugly. For sure fitting them into an existing hull that was not built for it, would be very unwise. There needs to be careful structure changes if a window is fitted . . . . . I dreamed of a full length stripe that

Re: Stus-List Keel bolts comment/question

I have watched a number of keels removed from a hull. Most all the time the epoxy held the keel when the nuts were removed. In fact there are special wedges made to try to break it loose . . . . . It is a really tough job . . . . Bottom line, in my opinion, it will not matter whether the

Re: Stus-List Keel bolts comment/question

All the C Keels have a safety factor of FIVE with the boat heeled 90 degrees . . . . so that keel joint is pretty conservative. Cracks and ‘Smiles’ are normally the fiberglass bending (it is plastic remember) outboard of the bolts and washers . . . The best thing to do (although we never did

Re: Stus-List [EXTERNAL] Re: AC75 boats

Many of us would like to see the America’s Cup in ‘real’ sailboats . . . . . I was very interested to watch the Canada’s Cup just last year. For those not familiar it is very much a junior version of The America’s Cup. One Challenging Yacht club vs the holder of the trophy – between one

Re: Stus-List Touche' steering system disassembly - issues of concern discovered

Interesting test of older steering system. Usually when idlers are serviced, we suggest new stainless pins, since the older brass pins wear . I've never seen a sprocket damaged like that - obviously not from wear . The corner of the quadrant where your cable started breaking is an obvious

Re: Stus-List Replacing Water Lines...

If installing waterlines, are there not tubes one could use that can tolerate freezing - so we could avoid antifreeze entirely . . . . ? In this era of plastics, surely there's a way . . . Cheers, Rob Ball C 34 r...@edsonintl.com From: David Sent: Wednesday,

Re: Stus-List Depth Transducer Installation

The standard was that boats smaller than 35 had solid glass hulls. 35 and up has balsa, but it is faded out about six to eight inches from centerline. Rob Ball

Stus-List C smile repair document

Dennis, I take some issue with the problem normally being toque on the bolts . . . I believe the biggest reason is there is a plastic boat sump (which distorts slightly) up against a solid cast lead blob which does Not distort at all. We chased that problem for years and minimized it, but a

Re: Stus-List Fresh Water Hookup?

Edd, My 34 came to me with a proper connection fitting installed in the cockpit wall . . . . Systems like that are very common in RV's so you should have no problem finding the needed parts . . . . . They are a bit scary on a boat of course, since you can visualize how a hook up like that could

Stus-List Maximum/Optimum Rudder Travel

Most all quadrants are built for a total travel 72 degrees, 36 degrees each way . . . (historical convention) If you turn the rudder farther than that, the cables start coming out of the groove that holds them on the quadrant. The largest loads that the whole steering system experiences happens

Stus-List Deck stepped mast

A deck stepped mast is a 'pin end' at the bottom in engineering terms vs. a thru-deck mast which has the double support of the mast step and mast collar. With so much less support the deck stepped variety requires a considerably stiffer mast section which will be a lot heavier. The structural

Re: Stus-List Windstar 33-2 blog update - improving ventilation in the 33-2 cabin

Richard, If the anchor locker fills up that much to leak into the Vee Berth, I expect there will be far larger problems on board in other areas . . . . But, I suppose if the locker drains get plugged, there could be a problem. But, my cowl vent came with a flush closing cap, which I would have

Stus-List Replacing Chain plates

It seems pretty radical to replace those chain plates . . . I might take them out and X-Rayed . . . . or even add some metal . . . . I picture a U shaped stainless ‘cover’ that goes over top, and still fits into the shroud toggles – spread the load of each individual hole better to the other

Stus-List Tuning the mast

Surely the shrouds are always the same length, so you can see the turnbuckles to make sure the two sides are similar. For many years I was told our boats leaned to one side or the other, and that I should plan on getting them to lean to starboard (the favored tack in the Bermuda Race) . . . but

Stus-List Tuning the mast.

Hopefully you have a Monday boat – not Friday . . . . For many years at the Niagara Plant, rum bottles were produced at 3 pm . . . . . And often workers got home a bit late those days . . . After a few crashes into snow drifts the practice was curtailed . . . . . I’m not sure the boats came out

Stus-List 1981 C Inspection

I'm interested in the details of the 'problem' . . . . The ones I've seen have come from installation of thru-hulls where water got to the balsa surrounding it and then migrated from there . . . We bought a moisture meter at the plant and went about testing a lot of different boats - new and

Re: Stus-List New Rudder Steering Tugging

The engine and Propeller are installed at an angle, because the rotation of the prop will kick the boat to one side. The angle is an effort to work against that to balance it out. That decision is made when building the first hull of that model and you can imagine that the engine and propeller

Re: Stus-List Windstar 33-2 blog update - improving ventilation in the 33-2 cabin

Don’t you keep your anchor and anchor tackle sparkly clean . . . . ? Rob Ball C 34 From: Dave S Sent: Tuesday, July 30, 2019 1:01 PM To: Wade Glew Cc: cnc-list@cnc-list.com Subject: Re: Stus-List Windstar 33-2 blog update - improving ventilation in the 33-2 cabin Nope, but if it were to be

Stus-List Deck tie-down

Indeed the deck floats on the bulkhead(s) and there are those tiny tie-downs at sensitive spots. All of the boats did that until we learned on the C 40, that the loads and twisting was too much. So, on the Mk III 35 we started to tab the bulkheads to the deck. This results in a much better

Stus-List Deck Tie-downs

Richard, If you think the boat is moving near/at a tie-down, it wouldn't be too hard to add an additional one or two . . There is a funny story about George Cuthbertson . . . He was sailing on Redhead ( C 35 Hull No. 1 ) in the Southern Circuit (Bruce Kirby Skipper) and was lying in his

Stus-List 37/40 Versions

There were those three versions of the 37 design, but if you are trying to figure out actual details, it becomes even more challenging. I know there were different rig heights - specific to a particular owner - so they are not all the same . . . Four different keels will fit on that hull, and

Re: Stus-List listed weights

When I, or any other designer, starts out a project, he makes a decision about what weight the design is aimed at. Then create a hull shape that has that exact volume. Then the rest of the design follows suit. Meanwhile, if a company wants to sell any of these, some specs need to be available

Re: Stus-List CnC-List Digest, Vol 170, Issue 2

On the C 34, I thought we got to 496 . . . . . Just did not make it to the 500 . . . . . I counted over 7,000 boats out there of my design, but never got a good number of Harpoons or Windsurfers . . . . . And then there are a bunch once Tartan took over . . . . . Sent from my iPhone > On

Re: Stus-List CnC-List Digest, Vol 171, Issue 50

I have had the same sliding hatch leaks. Those ‘tracks’ indeed hold water in that cavity outboard. If they are gone, the water can overflow that much easier. I actually added height to the sliding tracks with a strip of wood. Also my boat was floating bow down so that cavity forward of the

Re: Stus-List Below Deck Handhold Plating/Powder Coating.

John, Be careful of powder-coating. . . . . I had my corner castings done and they came out as a pile of sand - the heat destroyed that particular aluminum . . . . Cheers, Rob Ball C 34 -Original Message- From: John McCrea Sent: Monday, April 27, 2020 12:14 PM To:

Stus-List Main sheet Traveler Location

Designing a cockpit to include the traveler is the biggest challenge . . . . . On the bridge deck - good for the crew to trim the main, but deadly for moving around the cockpit . . . . . Aft by the binnacle is good for trimming and good for short handed sailing but again is very awkward to use

Re: Stus-List edson chain lubricant

It was carefully engineered after we explained the use and environment . . . . . You can see it here . . . . https://edsonmarine.com/chain-care/​ Cheers, Rob Ball Chief Design Engineer

Stus-List Northeast 39

The project was a limited run boat from the Custom Shop - built by Bruckmann. Not intended as a comfy cruising boat obviously . . . The market was intended for Long Island Sound and try to come up with something to appeal to C 40 owners looking for something uptick . . . . Clearly much more

Re: Stus-List Northeast 39

You can probably get a good trade in with the old keel at Mars Keel in Burlington . . . . Rob Ball C 34 Escapade -Original Message- From: Joe Della Barba Sent: Tuesday, August 18, 2020 2:31 PM To: cnc-list@cnc-list.com Subject: Re: Stus-List Northeast 39 Be cool if the keel was the

Stus-List Window replacing

I know that Southshore Yachts has a number of them available . . . . Check with Rob MacLachlan . . . . r.c.maclach...@gmail.com ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If

Re: Stus-List 1979 C 34: why hangers on thru-deck mast fitting?

Bill has it right . . . . . The shrouds and mast compression are the worry . . . On serious race boats (without a bulkhead at the mast) we had a vertical rod beside the mast and even a diagonal strut from the mast step to the shrouds to counteract the load. I can’t remember the original 35 in

Stus-List Repowering a C 36 to Electric?

Chandler, Sounds like more like their diesel than hate it . . . . Last year our 34 had, it turned out, no compression in one cylinder and the repair required the engine come out (not enough space under the cockpit), which meant the boat had to come out . . so several thousand dollars just to

Re: Stus-List 1979 C 34: why hangers on thru-deck mast fitting?

David, When the boat is sailing and heels over the shrouds and mast combination try really hard to squeeze the two sides of the boat together and the deck to lift up (off). It is VERY important to hold the deck down, and those straps are to be bolted so the deck is held down. If the holes

Stus-List Backstay adjustment downwind

Hi there, We proved conclusively that the tighter the forestay upwind, the faster you go . . . . unfortunately, since at some point you break something or the boat . . . . . Downwind, you can't get the spinnaker too far forward - in other words, the looser the backstay the better - gets the

Re: Stus-List C 35 about to be scrapped in Pensacola, FL

The original 35 design was called the Redwing 35 and was built by Hinterhoeller, and was then renamed the C 35 after the company merger - one of which was Hinterhoeller. So the mold did not have the Cuthbertson star molded in. Indeed the Mark II used the same hull mold as a starting point . . .

Stus-List C 29 Mainsheet Bridge Traveler

Don’t forget that the cabin top isn’t strong enough for the traveler, so structure needs to be added . . . . But it’s certainly doable . . . Rob Ball C 34 ___ Thanks everyone for supporting this list with your contributions. Each and every one

Re: Stus-List CnC-List Digest, Vol 173, Issue 115

When we delivered a custom boat from the custom shop in Bronte, it always came with bottle of Mount Gay . . . . . Rob Ball. C 34 ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If

Stus-List Singing Rigging

We looked into it when C 30’s were doing it when tied to the dock or slip. Indeed those Von Karmen Vortices. The only real solution is/was to change the ‘frequency’ of the spar somehow. The simplest being tension some point on the mast - maybe a simple as a tight spinnaker pole lift. But a

Re: Stus-List Re fiddle castings.

We switched to laminated corners in more recent boats. I would love to do that on my boat, but it looks challenging . . . . Rob Ball C 34 ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly

Re: Stus-List Rob Ball comment on 41 "robustness"

Earlier C’s had the bulkheads ‘floating’ in the headliner groove, and as we got into larger sizes (bigger loads) those tie downs were the solution. On the C 40, there were a lot of warranty claims for those leaks, and eventually it was decided to stiffen up things to prevent this. The first

Re: Stus-List Rob Ball comment on 41 "robustness"

But it had a Super Duper Brit Chance keel . . . . . . ? Rob BallC 34 ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send

Re: Stus-List Rob Ball comment on 41 "robustness"

I sailed on a 40 and we cut the headliner back about 4 inches from the bulkhead – and taped the bulkhead to the deck. Then used wood to fill in the headliner afterwards . . . Not that hard, but labor intensive . . . . Rob Ball C 34 ___ Thanks

Re: Stus-List Re fiddle castings.

Interesting . . . . I didn’t think there were stainless ones there . . . . but I got the painted ones from Rob at South Shore . . . (after I tried powder-coating the old ones – which turned into powder) . . . While working here at Edson, we did a stainless version for Barry Carroll to use on

Re: Stus-List CnC 39? Comments please

Wow - Different boats . . . The C 39 was designed before the C actual formation - before the IOR rule . . . The C 41 is a much later design - much larger (longer waterline) designed in the hayday of IOR . . . The Northeast 39 was a limited production run at the Custom Shop - higher level of

Re: Stus-List CnC-List Digest, Vol 173, Issue 69

The 33 was the first design I did from a blank sheet at a time when our reputation on the race course was slipping, so it was pretty stressful. Turned out the 33 was a step up and we got our reputation back. The 34 was to replace it with the same design BUT have standing headroom forward. It

Re: Stus-List New-guy C 40 Shopping questions

The ‘basic’ waterline of the 40 and the 34/36 are almost identical, so the hull speeds match . . . . Which is why the newer boat sails in the same speed range . . . . Cheers, Rob Ball C 34 ___ Thanks everyone for supporting this list with your

Re: Stus-List New-guy C 40 Shopping questions

The C 51 was designed as a centerboarder from the start, and the board is full of lead. We did a hydraulic lift for that . . . . . a tackle arrangement so the cylinder moves about one quarter the distance needed to pull up the board. Rob Ball C 34

Re: Stus-List New-guy C 40 Shopping questions

That’s like asking you which of your children do you like best . . . . . Rob Ball C 34 ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal

Re: Stus-List Launching a 34 by forklift

THAT would do it . . . . . Rob BallC 34 ___ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution --