M80 High-speed No-wake landing craft

Anti-wobble boat keeps low profile

Jay Mac the Cryptic Subterranean tips me off to this new experimental landing craft:

A HIGH-SPEED landing craft unveiled this week by the US Department of Defense will not only stay steady at its top speed of 50 knots, but also produces virtually no wake. The vessel, dubbed Stiletto, is the prototype for a new breed of craft designed to carry troops and their equipment ashore without attracting attention.

Stiletto’s hull has a double-M shape that channels the wake under the craft. There it mixes with oncoming air to produce froth that lifts the ship part-way out of the water, reducing drag and increasing stability, says Greg Glaros, the programme’s leader at the defence department’s Office of Force Transformation.

The hull is made of carbon fibre, and the 27-metre-long, 12-metre-wide vessel will be able to haul around 37 tonnes. The prototype cost $6 million to build, and will be tested during this year.

A bit of googling turns up some more:

Here’s another shot, for a sense of scale:

If you’ve got broadband, this 32MB Power Point slide show is sort of interesting.

For more info on the “how”, see this M Ship article: Jumping Catfish Batman!

Comments

  1. its top speed of 50 knots Wow, 50 knots! You can water ski behind a sucker that fast. Just like the dudes in the 1st Cavalry did from behind the swift boats in Apocalypse Now. I love the smell of Napalm in the morning. Afternoons however, I prefer the pungent aroma of Willie Pete.

  2. This approach can only reduce wake, not eliminate it completely. A true no wake boat is theoretically possible, but it would be unstable and unseaworthy, and it would still have a lot of drag from its larger wetted surface. I’m sure that this does all it was supposed to, though, but that the inaccuracy is just miscommunication.

  3. You can water ski behind a sucker that fast. Just like the dudes in the 1st Cavalry did from behind the swift boats in Apocalypse Now.’ Actually, I know at least 3 guys who did just that, although they were Navy riverines, not Cav types. Variously behind Swift boats, PBRs and Boston Whalers.