Location: Oregon Aluminum Jet Boat Plans I have made a futile attempt at finding plans for an aluminum jet sled. Location: Alaska jet sled plans Trigger, it might help if you could give a bit of back ground, have you built a welded aluminum boat before this project? Its easier, on all forums, for anyone who might offer information to form a good quality response when you provide more precise details. You should determine EXACTLy what you'll do and what you'd hire out, especially as regard the cutting of the parts; hull panels, frames and bulkheads.
Since you're looking for an almost flat bottomed sled with little or no V section forward, the hull is much more simple to build. All these items will help refine the work of selecting a plans package, or help you to submit them to someone to design one for you.
Location: Alaska marine design software Trigger, this forum has a rousing ongoing discussion of marine design software and will be of good assistance in trying to select a package.
What I suggest you keep in mind is the design cycle, which doesn't get the press it should. It too easy to get sucked into a method where you rely on the PC's lines to start your boat, if you don't draw well by hand at least get some battens and work with them by hand-then enter the PC. If you follow a design cycle with some care you can avoid redrawing parts of your boat that were not clearly thoughtout in a previous (more initial) stage of your design work.
I also suggest that you avoid a V in the after bottom sections -convex camber runs better under sleds and then bring in the V forward amidships section.
Location: Alaska jet sled design procedure Trigger, I read on some of the forums remarks about the different marine software packages and one remark kind of stands out. I want to discourage you from taking this time as I've spent hundreds of hours downloading and setting up tests of features lists and tool functionality.
I can summarize it all by saying the remark (unattributed to its wise author) is true as far as I can say.
If I could suggest any package it would be the package of software that seems the most obvious to you. I've worked in Prosurf, MaxSurf, Rhino and several of the others until I'm blue in the mouse hand. How do you interact and what work flow method is required to draw a boat in this package or that? Location: Alaska Aluminum extrusions at the chine Trigger, many highly regarded production builders use an extrusion at the chine which holds the bottom AND the side. I would suggest that it is poor practice to incorporate this into your design for several reasons.
I think hull seams should be fully welded inside and out AND the appearance of a weld is 'welded'. The edge of 5052 plate has experienced exfoliation (peeling into layers) when it was used in these extrusions in salt water although it took a decade to show up.
The edge of the side and the edge of the bottom plates are NOT welded in the slotted chine hull joint.
I know other builders who are certain that the weld near but not on the edge of the plate makes the remaining fraction of an inch of plate loose its heat treatment without being mixed in the puddle and fused to another plate. My experience is very limited with this method of building, but I'd like to encourage you to seriously consider the advantages of inside and outside welding instead of just inside welding between the two differing alloys. I have built a few skiffs that were lost in a storm while towing in the Gulf of AK, one was found years later on the bottom of a log pile. Location: Southern Oregon Interesting to hear the other side of the coin on this one. Location: British Columbia, Canada I have some experience with the phenomenon known as crevice corrosion.
Location: Southern Oregon Good Info JD, Something I have not seen but definately makes sense. Location: Alaska chine extrusions benefits Joey, good points about the benefits of chine extrusions regarding set up, fairing and aid in building. Almost always built with a crew of a few and most often hanging sides was done with four guys. I think a stringer type bead, fast hot and drag style along the outside of the slotted chine would allow the one-off builder or working team to have the advantage of the setup without building a weaker joint. Your observation is right on for a single chine sled shaped hull; the slotted chine extrusion would save lots of build effort and often these boats spend considerable time in fresh water.

My preference for a cover angle shape welded over an inside edge to inside edge then double welded joint is likely overbuilding; due to long association with Alaskan commercial fishermen.
When making potentially dangerous or financial decisions, always employ and consult appropriate professionals. Building a competitive hull for a world class jet sprinter is perhaps the biggest challenge for jet boat builders. Scott has a history of building winning hulls - including Konrad's two world championship boats.
This is a list of all the models of boats in our system, ordered by the last time they were updated. The new racing pumps have shown better top end speed while retaining all the performance values of the original race pumps.
We manufacture a range of performance jet boats specifically designed for NZ's extreme boating conditions.
We design our boats using every bit of the expertise we have built up in the last three decades – building market leading jet propulsion equipment and boats.
Last year, despite the tough financial conditions, was our busiest year for producing boats. We like it when customers ask for our advice on all sorts of things when it comes to their boats.
As always our boats represent our latest technology in hull design, engines and jets (staying no 1 in jet sprinting globally means we have a constant stream of upgrades and product improvements). Tim came in to Winchester wanting to buy a conventional boat, but tried the Scud and bought one on the spot.
Power is from a Nissan all alloy 3.5L V6 pumping out just under 300hp in a very light compact package. The high revving (up to 6,000rpm), high output, all alloy Chev engine is perfectly suited to the high revving 852 jet. When Brent was looking for a new boat he chose Scott because "he wanted to get the best.
Brent worked closely with Scott Waterjet to customise 'Hammer Down' including a different dash layout, modified trailer, etc. This boat is one of our earlier Puddle Hoppers and was designed and built to explore anything that contains water. Building a competitive hull for a jet sprint super boat is perhaps the biggest challenge for jet boat builders. Scott has a long tradition of building winning hulls - including Konrad's two world championship boats. This boat was built for Merv and Dave McCabe (father & son) of Oamaru, NZ and has a lot of features for their particular use. We designed and built this boat with a lot of input from the owners to achieve their goals.
The sides are 50mm higher than std (available as an option) to give more freeboard and side height for better safety for the kids as well as providing more room and a seating position that is easier to get in and out of. In the end, I think this is what will be more productive for you, choosing the software that is the closest to your 'way of thinking'. The lap weld occurs some two or three thicknesses back from the edge of the plate and then it occurs between 6061 or 6063 depending on the alloy of the chine extrusion and the 5086 or 5052 hull plates.
If you only weld one side of a slotted chine extrusion, there is a risk of creating an oxygen depleted area that is exposed to seawater. 5 color hull, Casale V-Drive, trimetric rails & mount, deluxe steering, steel strut, tanks, pleated seats.
Sold as is new.Pro Boat Hull Only: IM31B, PRB4270Ships same day if ordered by noon CDT Monday-Friday! Look at this brother boat of 22.5 EP Deep-vee Arowana, eye at front, we made changes on Structure Design given a more playful Journey. We've also been lucky enough to spend thousands of hours boating in NZ and overseas rivers and lakes, and have listened carefully to feedback from jet boat enthusiasts around the world.
Jet boating is our life and we reckon we've done most things our customers will want to do in their boats; fishing, hunting, adventure boating, family boating, etc. Richard is a keen fisherman - and also wanted a boat that would work for his 80 year old dad. Our customer spent an afternoon with us on the Rangitata River in South Canterbury, and knew he needed a boat that could perform at home in Sweden.

It is built around our 14 deg design but features a variable deadrise in the bow entry for better ride quality in rough conditions. The characteristics of this engine are perfectly matched to the 812 two stage jet which features hydraulic trim control and hydraulic reverse control, it is also fitted with our heavy duty intake grill (option on the jet) featuring bissaloy 400 bars and high tensile cast AB2 ends - these grills are unbelievably tough and are essential for vigorous users. The impellers on the jet match the revving of the engine right up to 6,000rpm - delivering massive, controlled thrust.
These boats are a hoot to drive and the extra push from the two stage jet and the 2.0L turbo engine (which has the boost set higher to produce 240 hp) gives eye-watering performance and handling.
We look forward to following Slade's progress in Australian Superboats this season, and wish him and his team all the best.
Dave has a young wife and family and wanted easy access in and out of the boat for his wife and kids, he also wanted a secure dry storage area for stowing gear so that it was not lying in the cockpit. We built this boat with a windscreen that has an opening centre section to allow for easy access in and out of the boat, the centre section opens on a gas strut which holds the door in the open or closed position. The oxide layer on the aluminum sloughs off or is rubbed off by a small amount of flexing in the chine and can't be replaced in the expected way. The first boat they made was Porky Pig, which was crashed running in Blown Fuel Flat at Oakland Marine Stadium. We use them for extreme boating, fun and family boating and fishing in the rivers and lakes of New Zealand. He also gives a 2 hour lesson on how best to handle and maintain your Scott Boat, and has a complete workshop for your scheduled maintenance. It fitted perfectly in a 20 foot container and we are looking forward to photos of the boat n operation - once the ice clears!
It features a full open bow with a removable white water cover for extreme conditions, the walk through from the cockpit has a hinged folding door which can be latched in the open or closed position depending on the use, this allows excellent access in and out of the boat. All around handling and performance are exceptional while retaining excellent fuel economy.
The cockpit is roomy and allows for great access in and out as well as an excellent seating position. Merv is not as nimble as he used to be and wanted easy access and a comfortable roomy cockpit, they also wanted to retain maximum performance and handling. Then other insignificant sources of corrosion (the tiny copper content of 60 series extrustions for example) can become major propblems.
Irv said they are safe to 130MPH if the setup was correct, the balance needed to be perfect to go faster. We believe Scott Boats set the standard for recreational boats in construction, quality, performance and most importantly safety. The hull is slightly stretched to make the bottom as wide as possible - allowing it to plane at really low speed. These boats are used for a wide range of activities - adventure boating, fishing and hunting, water skiing etc. The sides were made 50mm higher than std (which is an option) for extra freeboard as this boat will see some offshore sea use. This boat is small, nimble and liightweight making it the ideal tool for shallow water boating and exploring those waterways that are too small for regular boats.
I'm leaning towards ProChine3 as it looks like a decent low budget start, but no firm decision yet.
If, on the other hand, you choose poooorrrly, you'll become adveserial toward the publisher and the software. The Cockpit is exceptional roomy and well laid out with all of the controls at your fingertips, the seating is set up for 4-5.
It seats 3 in comfort and has excellent performance from the 200+ HP Subaru coupled to the 751 jet, much like a go-cart on water. I want to do as much as I can with the build, but the more info as in lines, framing, plate development the better. I will definetely be around this place, I have alot to learn and there is alot of knowledge here.

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