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Cheers - SSS Technical InfrastructureSkip, the ship appears to have bow thruster indicators painted on the hull. Two, in fact. Wouldn't those be an important tool to keep the ship away from the bank?
I wasn't joking about Suez Canal pilots stop working 5x/day to pray to Mecca..this has been documented by ship captain friends. Religion takes precedence no matter what else is happening when piloting in the Suez Canal.
There was a ship close astern of EVER GIVEN, the 300 meter M/V DENVER, when she ground to a stop. Fortunately the DENVER was able to "crash stop," without T-boning EVER GIVEN.
I'm not sure bow thrusters properly used would have prevented the grounding. Once the ship begins to divert from centerline in the canal, the "bank effect" begins to take over, sucking the ship ever closer to the side of the canal.
As well as other contributions, for whatever reason, the EVER GIVEN was speeding at 12 knots. That's 5 knots over the Suez Canal speed limit and just asking for trouble. Dead Slow, or Slow Ahead, would have been the correct call, as documented on previous post #4236 upthread.
Something not being mentioned is the fact with both bow and stern of EVERGIVEN aground and supported by the canal banks, the middle of the ship, about 1,000 feet worth, is afloat but unsupported. Hundreds if not thousands of tons of cargo is trying to break the ship in two. I would not be surprised to hear the ship has developed cracks amidships.
Maybe what's needed is the horsepower of one of these French tugs...https://www.youtube.com/watch?v=eu3GZAadt3M be sure turn down the dramatic music!
This question is properly addressed directly to the Race Chair or PRO, the only personages who can modify the RRS in the NOR. I am not that person. Asking here in general terms risks un-official or uninformed opinions.
I have queried the PRO of the CBC. Her opinion may not be that of the SSS. She says,"'Twin headsails set on two poles for downwind sailing' applies to any CBC race, not to classes unless so stated. If you fly legal jibs, you may wing them out as 'twins' using two poles attached to the front of the mast whether they be spinnaker poles or whisker poles. The pole length may not exceed the LP of the jib being poled out. Two poles may not be used flying a spinnaker except when gybing. It makes no difference for flying twin jibs in CBC racing if your boat has a spinnaker or just jibs (non-spinnaker class)."
I've cruised and raced many thousands of miles with twin jibs and poles of various dimensions. If you have any practical questions not associated with SSS Rules, feel free to visit "New Boat 4 Sled" with your query. John Letcher, Jr. also has excellent discussion and photos of twins in his classic Self-Steering for Sailing Craft. Highly recommended.
Considering the twin headsail set up as "pulling sails", how much of a loss of performance is there compared to a spinnaker of similar size within the 135 degree down wind run?
No definitive answer to this, as it depends on boat design, wind speed, who's steering (hand steering, wind vane, or AP. It also depends on the size, weight, and cut of the twins.
I sailed on a 30 foot Mull design similar to yours that had legal 155% twins with poles to match. G. Mull thought this the fastest way to singlehand to Hawaii, with more area spread than a spinnaker. I pointed out that the owner/skipper was an out-of-shape newbie to sailing, the poles were 17 feet long. And if, in a seaway, one of the poles dipped, the mast would likely come down. It was decided to do the Pac Cup instead, with full crew, no twins and a happier wife.
On WILDFLOWER, my 27' custom Wylie cruiser displacing about 6,500 pounds, when running DDW in tradewinds 18-22 knots, the boat could average hull speed, 7.5 knots, as fast as a spinnaker, using 125%, 2.2 oz ripstop nylon twins with 110% whisker poles and steering was a Sail-o-Mat windvane.
That said, a spinnaker the same size as twins, is almost always going to be faster given its lighter weight and better downwind shape. But on a dark night, with squalls lurking, I much preferred the twins as being near bombproof, and auto gybing was a cinch, just turn the boat.
I was once asked after a SHTP how many times I gybed. My honest answer was "3-4 times a minute." Fearful, he'd only gybed once the whole race.
But Hot Doggies, does a boat roll DDW under twins. Ask Beetle and he will tell you not to steer DDW, but reach up 20 degrees either side of DDW for more comfort and speed with a poled out jib or jibs.
The best way to run twins is with roller-furling. But I staggered hanks instead. No roller furling on WF. But knowing what I know now, I would have roller furling headsails, especially more practical for elder singlehanders.
Many readers have Barient #10's which probably need cleaning. If there is no circlip, how do you get your winch apart? I know the answer, but do you? Have you not cleaned your halyard winches since the boat was new?
Does anyone other than Howard Spruit still have one of these conversation pieces from 50 years ago?
I think the answer to #2 is either "Made (or Cast) by Hippies from Olema"