The patch work I did to the skin of the transom needed to be cleaned up, so I mixed powdered glass into some resin and skimmed it flat.
So the total investment for replacing my rotten transom is $497 in materials and 17-18 hours of my time in the evenings.
Location: Michigan Nice job Thill Mine turned out solid also, and have been on the water all summer. My boat has a lot of composite in the original design, and the stringers I can get to are solid. And just for the record, I'm not saying Seacast is perfect, just that it has worked well for me SO FAR. Location: Virginia, USA It's been a while since I checked in, and that Trophy has been sold, but the owner calls from time to time, and he's still loving the boat, with no issues at all. When making potentially dangerous or financial decisions, always employ and consult appropriate professionals. Location: North Augusta, SC Transom Repair This is my first transom repair, so I'm hoping to get some advice. Location: Milwaukee, WI Build it like the original and it will last you another 25 years.
Location: daytona beach florida Seacast? Yes you can get Seacast? in Australia there is a distributor there. Location: daytona beach florida Seacast weight 31 lb per 1000 cubic inches don't forget the glass and resin when you add the weight.
The name of something should reflect some significant or hopefully dominant feature of the thing to hearld what it is. If you wish to change the definition as you see it to suit your own concepts who's to argue? Personally, if I wanted anything that old in style, I?d want to go all the way and use steam power and maybe paddlewheels. Location: Flattop Islands Describing and defining a canoe stern is even more difficult than the double-ender.
I think of canoe sterns as finer and more graceful than the typical Colin Archer double-ender. Amateur designers Albert Strange (1855-1917) and George Holmes (1861-1940) did a great deal to popularize the canoe yawl type by creating and sailing these small but capable vessels on some challenging cruises. Location: Minnesota, USA I guess in my mind, I picture a canoe stern as having tumblhome from about sta 6 or 7 back and around. Location: Alliston, Ontario, Canada Maybe in these days of high fuel prices and the coming years - perhaps not too far off - we may see a resurgence of efficient power watercraft including double-enders, for recreational purposes, but I doubt it. Typically NW American seagoing birchbark canoes had tapering stems like modern sea kayaks, no surprise there. Dugouts of the same region often had small transoms or wildly raised sterns clearly intended to fend off - or surf down - a following sea. A racing canoe was an entirely different design, extremely long 50+ ft with longest practical waterline as you might expect.
The Kutenai built a bark canoe with stems like extreme wave-piercing designs - I have never been able to figure out the reason. Location: Iowa 71 IMP Transom Repair I bought a 71 Imp Santee and all and all the boat seams to be in great shape. However I removed the motor cover and seating in the back to access the fuel tanks and noticed the eyelets on the transom were cracking. Location: USA I would start by removing the bolts to check the transom for rot. Since you have to remove the drive, you should replace the bellows, shift cable, raw water hose, check the hydraulic hoses for leaks and of course all the seals replaced. You're probably tempted to just use a big old backing plate of something, to reinforce the towing eyes.
Location: englewood florida I just fiinished removing wood rot out of my formula 233. Location: Ma Transom Bracket on a 19ft boat I am looking for some information on transom brackets. I am rebuilding my 19 ft CapeCodder center console (a locally made boat during the mid to late 70's) from the stringers up.
My main question is what are the possible negatives to using a transom bracket on a 19 ft boat?
Location: Baltimore MD, USA Check, but I believe the fiberglass bracket provides positive bouyancy which will help with the weight when at low speed. Has 450mm set back ,changed motors from 20 in to 25 inch shaft , old omc 75 to a 115 yamaha so its a go fast !!. Location: Milwaukee, WI Actually, if you lighten the deck and install the motor further aft it is not offsetting it but making it worse. Location: Eustis, FL A better choice is to use a longer shaft and make a taller cutout. Another problem I see with production boats, particularly older ones, is the splash well isn't adequate. As to your bracket, I'm not a fan of them on craft the size of yours, but if really bent on having one, get one with a buoyancy chamber so she isn't so bad at low speed and coming to a stop. Stacer’s new EVO Advance hull brings a new height to boating adventure, offering the perfect combination of storage, stability and rough water performance.
Level Flotation is standard across the majority of the Stacer range, making them some of the safest on the water.
There are eight models in the Proline range, all built with front and rear bench seats and backed by a 3 year warranty for peace of mind. The Stacer open boats feature wide beams and high sides, making them roomy and safe to operate.
The Stacer SF series has seven models to choose from, featuring the superb tracking and stability of the SF Sports Hull making it a major contender in the tournament boat market. The Stacer Nomad series series has a boat to suit anyone, with a massive 12 models available.
Polycraft boats are manufactured from UV stabilised marine grade polyethylene, designed for extended use in direct sunlight. The 3m Tuff Tender is perfect for use as a tender for a larger craft, but is also becoming increasingly popular as a small fishing boat due to it awesome stability and safety attributes.
The 4.1 Challenger features a full floor, front and rear casting decks and generous under-floor storage. The 4.5 Drifter offers the stability normally associated with much larger boats, while at the same time retaining the benefits of being easy to maintain and tow.
The 4.8 Brumby is fitted with stylish rounded consoles which include locations for sounders, gauges and other electronics, and include full pod transom, straight internal walls and wide gunwales. The 5.3 Warrior comes with a full carpeted floor, fold down rear lounge, 130L underfloor fuel tank with sender and front hatch storage.
The 5.99 Frontier has a deep v-hull with distinctive reverse chines, which delivers a soft, quiet ride with unmatched stability. Location: Australia Step -no step More than a few times I have wished I could go back in time and give myself a good talking to. But to do a better job after fairing will be 5 times harder so ask yourself the question very very hard and be wary of your responses. Transom drag is usually discussed as associated with loss of hydrostatic pressure against a transom (which when present via wet transom, helps rather than retards forward motion, so when this pressure is lost via a dry transom there is an associated resistance or drag). If the comment is correct, then when there is water against a fully submerged transom if it were to offer twice the drag of a dry transom would be -14 psig or absolute zero.
If the transom is ONE HALF partially submerged, ie the area of wet transom is HALF than the two areas as noted above and this water is producing a drag of - 28 psig.


This is not possible SamSam 12-14-2015 11:54 AM I would think a dry transom has more or less zero drag. If you were comparing a transom dragging air behind it to one dragging water behind it, 2x sounds believable. As far as my knowledge goes, the effect of the transom on hull resistance is not yet fully comprehended, and no universally accepted physical model is available.
That being said, it is true that a number of research papers point to the fact that the wet-transom drag is very high in the low-speed regimes, up to twice the drag of a canoe-stern vessel of similar geometry.
The fact that the transom-stern drag is much higher than the canoe-stern drag at low speeds is imo not very difficult to accept, if you consider that the total resistance of a canoe-stern hull at low speeds is very modest (since most of it comes from the friction, the wave drag accounting on average for some 15-25% of the total). The turbulent wake, in particular, can imo account for a good part of the wet transom drag, since the wet transom essentially behaves like a transverse step in the flow - with the associated separation-induced large vortices.
I'll stop here, awaiting for the above-mentioned resident experts to come and say more on this issue. Can this be the cause of a wet transom giving a drag level as high as 2x "transom drag" as per the VanOossanen reference??
I submit that it has little or nothing to do w air pressure on submerged or open air transoms. Perhaps you can dig out the thread where Van Oossanen made the statement so we can ascertain the parameters under which he made this statement.
Thanks Good point -- before posting the question I had gone to the Van Oossanen web site and looked at their list of publications. The fact that the transom-stern drag is much higher than the canoe-stern drag at low speeds is imo not very difficult to accept, if you consider that the total resistance at low speeds is rather modest (since most of it comes from the friction, the wave drag accounting on average for some 15-25% of the total). The water surface is modeled as a symmetry plane (or slip wall, if you prefer), given the very low water speed. The 2-D canoe stern gives 180 N of drag force, while the transom stern gives 390 N in the same flow conditions. Let me underline the fact that this is a 2-D analysis of a simplified model of a submerged stern at low speeds and with no surface waves.
What this analysis shows is, IMO, that the 2x difference between drag forces of a canoe-stern and transom-stern hulls at very low speeds could indeed be mostly attributed to the vortex-dominated wake behind a transom stern. Daiquiri, in his latest post graphically shows the turbulence behind a transom stern and calculates that it can have 2x the drag of a rounded stern (not a canoe stern but blunt back end similar to flat transom but with smooth curved up bottom, eliminating the the turbulence of the flat transom and very illustrative of the vortex drag situation) -- I have not quoted his whole post but his final statement just above suggests that the Van Oossanen reference to wetted flat transom able to show 2x the drag of "hydrostatic transom drag" (increase in total net drag when transom goes dry) might well be a reasonable observation -- Is this situation similar to the high drag related to turbulent flow and vortex action at rear of an automobile??
What this analysis shows is, IMO, that the 2x difference between drag forces of a canoe-stern and transom-stern hulls at very low speeds This makes more sense and I doubt anyone would disagree with the drag of a transom stern hull being twice that of a canoe stern hull, especially at lower speeds.
The OP referenced a statement that a PARTIALLY SUBMERGED transom stern hull's drag would be 2x that of a dry transom. After some consideration of the OP, I cannot remember seeing a transom stern boat with a partially submerged transom, underway, which, if the situation exists, would be immediately before full water separation to a dry transom. Well, we were not questioning the flat transom vs a canoe stern and Daiquiri did not explore this specific comparison Ok, I must have misunderstood the sense of your opening post.
Anyways, at very low speeds the flow around the wet transom will look qualitatively like the one shown in the bottom pic of my previous post. At high speeds, when the transom becomes dry, the water becomes replaced by air along the vertical wall, and the pressure is constant and equal to the atmospheric. Such comparison would not be physically meaningful either, because in dry-transom conditions all the drag-related hull attitude parameters (like trim, wetted length and wetted surface) of the vessel would be completely different from the low-speed case. Location: Fishers, IN Help with aluminum Starcraft fixer-upper Hi all, first time boat owner. Also, the previous owner says it dates back to the 1950's, but I can't seem to find any tags. Location: Fox Island I imagine that part of the project for you and your boy will be fabbing up missing parts.
The Floatation in that boat was probably under the Floorboards and they were riveted down over top of the Foam.
I wrote to the Starcraft factory, to get the Handles for the bow and ask about the wood the front deck was made of. Today I think I'd use some Pine boards and make a bottom that dropped in and was wedged in place, with the floatation trapped under it. Then I'd make seats with Foam under them and use Stainless screws to hold those seats down. Another material for the floor would be fiberglass grating like they use on machine platforms. The rear coaming to transom supports are critical in supporting the transom and attached outboard. Up in the bow, I went below the rails and put in a flat piece of Decking held in place by a Bungee cord.
I started this by cutting the stern on each side of the storage compartment, drilling out the rivits and removing the top section.
I was reading some of the older posts and there was some give and take about getting info out of them.
USA To answer your question, 1 each 5 gallon pail of SeaCast contains 1,000 cubic inches of finished product (SeaCast Matrix, fiberglass, and tubes of BPO catalyst).
Not quite gone with the wind, there are lots of them still around, lovingly preserved from antiquity. If the masses can't afford to run their honking great highspeed boats they will either go smaller or go away. Ignoring modern canoe stern variations, aboriginal builders were incredibly innovative and used many stern types. I haven?t seen any flat planing sterns or tunnel sterns on an aboriginal canoe though, but they tried everything else. It's common issue with older boats and one addressed many times before, so there's lots of information available.
Trust me, if the core is soft enough to permit the outer 'glass skin to crush, then a backing plate will cut make a bigger crushed area. They have a state-of-the art manufacturing facility with the latest equipment operated by highly skilled fabricators to produce the best possible aluminium boats.
Built on the foundations of the renowned EVO hull, the EVO Advance hull is Stacer’s most advanced hull design. Level Flotation enables Stacer boats to remain level and upright when swamped in calm water with passengers and cargo on board.
They have plenty of storage space and heaps of fantastic features, sure to become a favourite in no time. A Rolled side pressing extends forward from the transom to deflect spray away from the boat, while a wide beam and downturned chines deliver the first-class stability Stacer is renowned for. These compact little models feature the superb stability and smooth ride of the Proline Sports HullThe Stacer open boats feature wide beams and high sides, making them roomy and safe to operate. The color is part of the material, so your boat should retain its original colour, and will never need painting.
They also have a one year warranty for commercial use (see the warranty statement on their website for full terms and conditions). We can even get these in a multi-colour, creating a unique boat that can never be perfectly copied!
It comes standard with a carpeted floor, front and rear storage bins and a rear fold down lounge.Available as Center Console, Cuddy, and Rear Center Console.
We can even get these in a multi-colour, creating a unique boat that can never be perfectly copied!The 4.1 Challenger features a full floor, front and rear casting decks and generous under-floor storage. It almost always is about saving time and doing the easy job that comes back to cause more work later. Done before major fairing so it was hugely less work than not admitting I had made a mistake and then doing it after fairing.


My question is how one can get 2x the level resistance which comes from loss of hydrostatic pressure loss as transom goes dry -- can turbulent vortex flows actually produce a suction effect of this magnitude against the wet transom under speed?? For that reason the output of velocity-prediction programs is not reliable in the low-Froude number range (where the transom is wet or semi-wet). I didn't see a title that looked directly relevant, read through a few papers but could find no reference to a 2x comment -- perhaps someone else can find it?? In other words, it is assumed that surface waves and their influence on drag are negligible.
Hence, the analysis says that the transom-stern drag is approximately 2.15 times the drag of the canoe stern, under the assumed simplifying conditions. In that case, you will have to provide the source of your claim about dry transom having twice the drag of a wet transom (intended as the same transom running dry at higher speeds), before going into further discussion. How much the drag due to this single change of boundary conditions - I do not know that, and hence cannot say if it halves, doubles or else.
It looks like they'd be easy to make out of a re-inforced 1X12 piece of good looking shelf boards. You have a couple of choices for a coaming to fit over the top edges of the gunwales; Synthetic (commercial) edging, moulded wood or extruded aluminum if you can find some.
If you used large strap ratchet clamps aroung the hull after the floor sections were slid in place and tightened the straps a bit (don't get carried away and distort the hull) prior to fastening the deck pieces to the existing brackets you would achieve a semi-monocoque structure which would be very strong for its weight.
Going this route, you could lay removable marine carpet sections attached to the grate with velcro or snaps so that you could remove it when necessary.
I put it up on the bow so I had a solid truss with a handle on one side and a place to step.
Battery and gas up front to offset the sail area of the bow, and my bulky weight back at the tiller.
It seems to me they are all on loan to the local boat museum, taking advantage of the free mooring no doubt, and only get taken out for the annual regatta when their owners show up in a plastic monstrosity with a great chunk of noisy metal hanging over the stern.
As impressive as Serenade is, I would not consider that a canoe stern and I would guess that in the popular vernacular, most others would not consider that a canoe stern.
Water has gotten in, though the transom plate (where the drive holds onto the boat) and around other penetrations through the transom (like those bolts).
Thats my old 1975 fishing boat with a differance now there is no wood any where in the boat its 100% all glass construction !!Its and oldie but a goodie !!
The 5" difference between a short and long shaft isn't enough to upset anything, but the height change can mean the difference between taking a boarding sea or having it bounce off.
Too often I see a well, just barely big enough to let the motor tilt and too shallow to accept much more then a few quarts of water, before splashing over into the cockpit. The take-off performance was very improved as was the top speed, the latter increasing from 28 knots to 40 knots. Their ability to plasma cut, press and weld marine grade aluminium, combined with industry leading quality controls enables us to produce a quality boat to be envied. The EVO Advance hull takes Stacer’s design principals to a whole new level, featuring the combination of a sharper bow design and a deeper V, it delivers a smoother ride and impressive overall performance. Stacer’s larger models are fitted with a gunnel bump rubber to keep the paint in top condition. They are easy to drive, economical and handle well in a variety of conditions, whatever your boating experienceThe Stacer SF series has seven models to choose from, featuring the superb tracking and stability of the SF Sports Hull making it a major contender in the tournament boat market.The Stacer Nomad series series has a boat to suit anyone, with a massive 12 models available.
Polyethylene has been shown in independent test to have five times the impact resistance of fibreglass. The hull also features pronounced reverse chines, which contributes to an unmatched stability at rest. Available in Open, Center Console and Side Console The 4.5 Drifter offers the stability normally associated with much larger boats, while at the same time retaining the benefits of being easy to maintain and tow. Rememer almost every multi is down on her lines so some upsweep at the stern should not be a problem. In the absolute sense, measured over a whole practical speed range of a given hull, both canoe-stern and transom-stern vessels have low drag at low speeds. The intented goal is to observe the qualitative behavior of just pressure and viscous forces in the aft part of the hull. I want to try this myself since I like carpet in a boat but have learned the hard way that plywood and wet carpet are incompatible!
I see no problems with the transom repair itself, but usually a rotten transom seems to mean a rotten floor and stringers also, but not always. There was a middle sheet of fiberglass, so I cut it out and removed the wood on the other side.
I know of many boats done with Seacast? and the only complaint came from one yard that just slapped it on like it was mud and did not follow the directions at all. Honestly, I use Meranti as often as I do the fir, which weighs in at 72 pounds per sheet, so how's Seacast lighter again? Since you're redoing your transom anyway, you're correct in thinking over these types of changes. Now, I understand the reasons they do this, mostly to offer as much cockpit space as possible, but most powerboats swamp over the stern and it doesn't have to be this way.
Using the latest technology and innovative design, Stacer produces a range of hull designs that deliver outstanding performance on the water. Its new transom is designed to increase cockpit space, while also making boarding easy by enclosing engine cables inside the transom keeping the boarding platform obstruction free. This rubber insert runs along the gunnels, protecting the boat when pulling up at a jetty or coming alongside other vessels. They have plenty of storage space and heaps of fantastic features, sure to become a favourite in no time.The new EVO Advance Hull features flattened chines for superb stability at rest. This makes Polycraft boats one of the strongest on the market, providing trouble free boating for many years.
The reverse chines also promote lift when accelerating onto the plane, and allow for tighter cornering at high speed. It looks nice, but you missed out on all the bending over, crawling around in awkward positions and the big mess fun of doing it the regular way.
After a couple of days, spread over a few weekends and some homemade tools, I removed all of the rotton wood completely from the transom.
There is now info on the web site and so far the stuff seems to meet everything they told me. Another bonus of the Polycraft boats is that polyethylene is an inert material which is not affected by electrolysis, and is very easy to maintain, clan and repair. Whereas the water returns gracefully to the surface experiencing far less turbulence as most of the turbulence is just surface friction. I am considering reattaching the back piece of fiberglass and cutting two pieces of plywood to fill in the gaps and then using a epoxy filler to fill in any spaces. The tumbling water aft of the transom at less than hull speed pushes on the transom a bit and perhaps even helps move the boat. I was worried when I saw all the old posts but they seem to have new management by the daughter of Mr. As speed increases the boat runs away from the water at the transom and the angle of attack of the bottom on a planing or semi-planing hull is much greater than a boat w the bottom ramping up to the surface as in a full displacement hull.



How to make a cheap houseboat uk
Bentley pontoon boats for sale canada water
Boats for sale in red wing minnesota
Wooden boat building school michigan quarterbacks