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Aluminum and Steel, one designer's view - Ocean Navigator

Log in or Sign up. Boat Design Net. Hi everyone, Which is the better building material for cruising sail boats - Steel or aluminium :? This got me thinking. It steel vs aluminum yachts llc one thing to design and build a boat out of aluminium, preach its pros as presented to us on spec sheets compared to steel.

But, how does aluminium delivers to its promises in the real world, meaning owning one, cruising the four corners of the globe, maintaing it. Are their any case studies out their regarding alu boats in peril such as striking reefs, collisions aluminum boats 1960 keys. Bearing this in mind, because an aluminuim hull is much lighter than an equivalant steel one, the extra expence of alu is greatly offsetted in weight.

Looks promising if alu is Steel Vs Aluminum Yachts 820 realy great. Please convince me gentleman. Fair winds to all Wynand Nortje. Wynand NDec 3, Depends on everything aluminum boats 1960 keys that's why there are both aluminum and steel boats built. If one was better, you wouldn't see the. CDBarryDec 3, Steel vs aluminum yachts llc of the big differences in that in most places you will find someone with the skills and equipment to peform repairs of steel structues.

It may be harder to perform repairs of aluminium in remote places. MDVDec 3, Aluminum is bloody expensive and thus not imported by many countries you might end up at - and doubly expensive for same reason if it is This aluminum boats 1960 keys can be offset by not needing to blast - prep - and paint it like steel - if staying local You can torch any piece of steel out of an old Pontiac if need be Tricky to weld too without good equipment However - I steel vs aluminum yachts llc fabricating and machining aluminum to steel - common tooling will cut the stuff - annealing can be fun - spinning too If I was going anywhere third world though - I would build in steel But I never will - why would I Sean HerronDec 3, In terms of damage tolerance, steel has a higher ultimate strength.

A more subtle advantage is that aluminum has a lower modulus of Steel Vs Aluminum Yachts 128 elasticity than steel The advantage of this is that when you hit something, the aluminum will deflect more than the steel. In most cases, this deflection brings more surface area into aluminum boats 1960 keys effectively distributing the load over a larger area, further reducing the potential damage.

From a corrosion resistance stand point, aluminum is intrinsically better than steel, however you need to be careful of galvanic or dissimilar metals corrosion. It is vital to never leave anything made of steel laying on the aluminum.

This weight reduction can increase the payload capacity, increase speed under sail or reduce fuel consumption under power.

This means that aluminum will require better sound isolation between noise sources and also insulation on the inside surface to dampen water noise. Aluminum is also a better thermal conductor so there will steel vs aluminum yachts llc more heat loss or gain and higher potential for condensation in the bilge.

Once again the solution is good insulation. Here are a couple of informative articles on the subject. PortagerDec 5, Wynand NDec 14, Aluminium hulls are more useful if you want much performance. MikeJohnsDec 24, Mike, You're absolutely correct. Dutch PeterDec 24, Wynand NDec 24, Wynand No it wouldn't, It it has too poor an abrasion resistance.

The same attribute that make it easy aluminum boats 1960 keys work with woodworking tools. But note Wynand as I have said before a lightly plated steel boat will not be so good. Happy Christmas. Actually there was an advertisement a number of years back of I think a Pacific Seacraft built of fiberglass that did basically the same thing, sat on a reef for a fairly long time and survived and was sailed away.

You can make a design for any material that's strong enough to do that if you add enough material. Bill H. HammDec 26, SkippyDec 26, You must log in or sign up to reply. Show Ignored Content. Similar Threads. Replies: 1 Views: 1, Replies: 4 Views: 1, Replies: 11 Views: 4, PAR Oct 14, Replies: 21 Views: 1, Goodbye Aluminium Welcome Steel vs aluminum yachts llc boat.

Replies: 5 Views: Replies: 13 Views: 1, Replies: 19 Views: 1, Ad Hoc May 18, Replies: 26 Views: 1, Mr Efficiency May 1, MaxxiApr 10,in forum: Boat Design. Replies: 28 Views: 2, Maxxi Apr 12, Building of Aluminium Boat. Mounting of hull framing structure Steel Vs Aluminum Yachts Quality an2reirFeb 27,in forum: Boat Design. Replies: Views: 8, Forum posts represent the experience, opinion, and view of individual users. Boat Design Net does not necessarily endorse nor share the view of each individual post.

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Replies: 19 Views: 1, In this case, one can make good use of Cor-Ten in order to have better control over distortion during fabrication and better dent resistance in use. Strength: Comparing strengths is difficult because aluminum alloys lose strength after welding while steel does not. Replies: 28 Views: 2, So the cost was the most important factor to us because the other differences in the end were a wash. Cost and price are always an essential factor to consider when making any product. Even with the possibility of corrosion, steel is harder than aluminum.
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It seems to be diseased as well as vibrating aluminum boats 1960 keys.

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