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Posts Tagged ‘steve clark’

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Day One of the America’s Cup Qualifiers went more or less as expected by observant watchers.

France got crushed 0-2.

Oracle demoralized a quicker Team New Zealand, with Spithill abusing young Burling at a top mark, to go 2-0.

Artemis, BAR, Softbank Team Japan, and ETNZ are all on 1-1 records, and Ben Ainslie continued his smashing, crashing ways with a nasty impact and two holed boats.  Watch the full video of the crash and aftermath here, and the SA postmortem from Steve Clark should explain it even to those of you with zero understanding of cats, match races, or the new face of the AC (from the Ben Is A Dangerous Motherf&*$ker thread):

You will notice that these boats will fly their leeward hulls when they round up and or come to a stop. This is because the AOA of the foil increases as you head up.  As the hull flies, the foil also loses most of it’s side force. So if you watch the replay, BAR puts the helm down to respond to SBTJ’s luff. The leeward hull goes up and the bot skids sideways into SBTJ.  I suspect that this was the intent of setting up the move as Barker did, but the altitude achieved by BAR was greater than anticipated.  The stern beam of SBTJ is what popped the hull.  Fortunately both dagger boards and Japan’s shrouds limited BAR’s incursion into SBTJ’S air space.

People are giving Ben some unnecessary shit. I don’t have a problem with the collision, shit happens when you race and as the boats get faster and more finely engineered, the consequences can be more dramatic. I find fault with not putting the boat on the beach immediately after damage was known to have even sustainedMy shore boss would have reamed me a new asshole for continuing to race. The damage got worse as the firehouse played havoc on the honeycomb carbon bond, and plies of carbon started peeling away.  Ainsley put the whole program on the line because the hull could have broken in half.  He has two points in hand, so could have burned one and ended up in the same place with a less badly damaged boat.  These guys get their blood up and fight on when it would have been better to retire and fight another day.

 

May 28th, 2017 by admin

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The guy who nearly killed the C-Class with his wing sail design has a new appreciation for the development race in Bermuda.  Here’s longtime SA’er and Cogito builder/skipper Steve Clark reflecting on a potential game changer at the America’s Cup.

I just got schooled in a previous thread for not knowing that The defined “illegal actions” had been removed from Rule 42 in this event. Which pretty much opens the door for unlimited kinetics or human propulsion as long as it is attached to the wing, sails, rudders or daggerboards or is otherwise an “act of seamanship.”

This has completely changed my view of the event. Instead of viewing the athletes as providing power to “normally” adjust the sheets,  pull the boards up and down and provide enough juice to adjust the AoA of the main foil, it is now clear that the metabolic energy of the grinders can be used to propel the vessel by pumping the wing or other actions. Some have already poo pooed this, but I think it is significant and gives ETNZ a huge edge.  Previously, I believed that an efficient control system and forgiving foil design could compensate for the lack of pure horsepower.

Earlier, 800  watts was sighted as the  power premium of 4 cyclist versus 4 hand grinders. What was not given is the duration and intensity of the pumping. It is clear from the videos that the grinders are not pumping  all the time and are not pumping hard all. Of the time. The cyclist, on the other hand, seem to be spinning the cranks 100% of the time. Does anyone want to hazard a guess what the difference in energy production during the course of a race is?

I expect this advantage to manifest itself most in marginal foiling conditions, where ETNZ will foil sooner and longer, and also on the down wind legs where they should be able to foil deeper at the same or better speed.  If they can trim faster, they will accelerate off the starting line faster.  Finally they should be able to tack and gybe  faster simply because the human power will buffer the loss of aerodynamic drive. One horsepower isn’t much, except when it really matters.

Let me be absolutely clear, I do not regard this as cheating.  It is absolutely within the rules as written, but not within the rules as understood by fools like me who thought they knew the rules. I could believe the simplification was done to avoid another charge of cheating against Oracle by ETNZ.  I know how hard it is to police kinetics, and it has become customary in many classes to have a wind speed at which the Race Committee can declare “game on” but this is different. ETNZ deserves a golf clap for taking advantage of this opportunity.

If anyone can quantify the difference between the arm grinders time producing x power and the cyclists producing y power, I think it would inform all of our appreciation of the events to come.

SHC

Got an answer for this legend?  Hit him up in the thread.

 

May 24th, 2017 by admin

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UFO Production - 1

We haven’t seen ‘average’ sailors so charged up about a new singlehander in a decade, and with UFO production hull # 1 currently in the mold, shit’s getting real for the US-designed and built ‘people’s foiler.’  Get to know the genesis of the project and the latest news right here on SA, and head over to the new builder’s website to find out more.

March 22nd, 2017 by admin

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Dave and Steve Clark’s UFO foiler is moving incredibly fast, the unique catamaran already finding a reputable US-based production shop and deposits already starting to flow.  Meanwhile, with the Clark’s opting not to produce a bespoke trailer for the 90-pound boat, the biggest question on anyone’s mind turns out to be ‘how do I transport this thing?”

Project manager Dave Clark took the time to actually answer the question in an extremely comprehensive form that applies to any small dinghy looking for wheels, but papa Steve isn’t known for his patience, and he penned our ‘answer of the week’ in the thread.

It just hovers there. You pull it behind the car with a light piece of string tied to the mast step.
We were considering powerful magnets as the coupling device because it was much cooler than the bit of string, but a passing semi truck ripped the boat out of our magnetic field and the boat floated into an underpass where it attached itself to the steel I beams.
 
Turned into a hell of a mess, we had to stop traffic in both directions while Dave tried to lasso the rudder gantry with a bit of Rooster Braid (which sucks as a lariat).  Traffic ended up backed up for a few miles and the cops weren’t amused. Particularly when we mentioned Alien Technology. They called Homeland Security, and because it was a first reporting of a new kind of threat, we had to go down to the station and answer questions for 48 hours while they played Donny and Marie songs at us.
 
Didn’t think something as simple as move a boat would get so complex.  Maybe if we had just tied it down to something with wheels like thousands have done in the past…
 
SHC

September 26th, 2016 by admin

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image001One of the most dominant players in the history of the C-Class and Little America’s Cup has once again lost his way. The first day of the Little AC saw a familiar site to those who’ve watched the past few C-Class events – the capsize and destruction of Steve Clark’s Aethon.  We’re not going to try to tell you the story; for everything Little Cup, head over to the thread.

The photo montage of Aethon’s destruction is here, the spirited discussion on whether the C-Class is headed for another dormant period begins here.  Luka’s been doing a solid job of free onsite coverage on his Facebook Page here.

For live virtual reality coverage of the event, go to the Hydros Youtube channel.

Mysterious title shout to 80’s post-punkdom.

September 17th, 2015 by admin

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post-738-0-92394000-1440703775With the Little America’s Cup fast approaching (and the entirely expected but still sad withdrawal of Rob Patterson’s Canadian team, the guy whose dominance nearly killed the C-Class checks in with his latest idea for taking the Cup back to the USA, and in a competition that may be more floating than foiling, it’s clever as a motherf^%&ker.  Meet the SNAKEfOIL, and hit the thread for the full details on Steve Clark’s entry and the full field of competitors.  Teammate and family member Dave Clark explains the foil.

The intent of the SNAKEfOIL is actually not to get foiling sooner. There is no judge awarding points for simply being out of the water more. The boat has exited the water in light winds sooner than would be expected, but that was mainly a function of maxing out the foil trim and was on final analysis simply wasted energy picking up the boat. It definitely brought it below a fast catamaran’s displacement-mode speed for that wind. In fact, I believe my dad’s intent is the reverse of your assumption. The SNAKEfOIL (named for the board head’s resemblance to that of a cobra, the caps bit is a self deprecating joke i.e. “snake oil”) is a seven foot long slightly recurved straight board with a tightly curved head that acts as a cant control. This means that the board can be Screen Shot 2015-08-28 at 10.11.27 AMreverted to a cant angle of zero and simply zip along in displacement mode on the leeward side and be fully retracted from play on the windward side. This solves too problems in wind speeds where foiling is pointless. First, it eliminates the excess drag found in the horizontal component of a stereotypical catamaran hydrofoil when in displacement mode. This excess drag was poison to hydros in light air and Mischa went to arguably radical lengths to combat it. Second, the unretractable component of the stereotypical catamaran hydrofoil is a pain on the windward side in light air. It juts out sideways and drags just as you are starting to build speed and fly a hull. Ideally, the SNAKEfOIL should make it possible to glide along in sea-hugger mode in light air and foil in good breeze. That said, if the breeze is light, my money is on Cogito. She’s the best boat for a drifter in the event, Benoit Marie knows what he’s doing with the stick and Benoit Morelle is a seasoned veteran of strange lake geneva breeze. Let’s bit forget that this is a boat race. I hope I’ve brought some clarity to all this.

-DHC

August 28th, 2015 by admin

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