Thursday, October 20, 2016

Music Whenever: Empire of the Sun "High and Low"

Some of the visuals of this music video have the Salvador Dali, trippy, psychedelic look of the album covers from the 1960's and 1970's. Way cool. We also have the psychedelic interspersed with a hippie troupe gallivanting through nature... so definitely a throwback.

However, the music is modern, dance club electronica.

High and Low - Empire of the Sun - Director's Cut from Roof Studio on Vimeo.

Wednesday, October 19, 2016

U.S Sailboat Show: The Singlehander Wars in the U.S. Updated

I made it over to the U.S Sailboat Show last weekend. I took some photos with my older waterproof camera (my newer one died) which I'll post at some point. If you want photos now, go over to fellow Classic Mothie, George A's blog where he has put up a slew of photos of the Show.

Just a quick comment on the singlehander wars in the U.S. market, as gleaned from talking to the manufacturers reps at the U.S. Sailboat Show. (I've put the dinghies up in the order I visited their stands.)

Melges 14 - (Previous posts here, here and here.) Around one hundred Melges 14's have been built with about half of them going overseas (interest is strong in Germany and Italy). Nearly all of the U.S Melges 14's are in the Midwest, the backyard of Melges Boatworks. There was no racing schedule this past year but the class did hold their first regatta at Lake Max, Culver, Indiana this past weekend. (Video from the class Facebook page.) My feeling, in talking with the Melges salesman, is they are angling the Melges 14 towards a more general purpose crowd, particularly with their large cockpit (though the 14 is certainly racy enough.) For a mid-winters, there is some thought at piggy-backing a Melges 14 regatta off a Melges 24 regatta in Florida.

RS Aero - (Previous posts here and here.) I hadn't realized that Zim Sailing had become the East Coast rep for RS Sailing (evidently this happened last year just after the Show) and the RS boats were featured  on the Zim Sailing stand at this year's show. The RS Aero is a clear leader in quantity, hundreds have been built (I forgot to ask for a specific number), there is a strong presence in Europe and the RS Aero can be found in ones and twos in most areas of the U.S. (but surprising, no activity yet in the Annapolis area). The big concentrations of RS Aero activity in the U.S. are the Pacific Northwest and the Northeast where there are some nasceant fleets and organized racing. For more detail on RS Aero activity, there is no better place on the InterWebs than to click over to Tillerman's blog.

There you have it; the RS Aero is gaining a foothold in the Pacific Northwest and the Northeast, the Melges 14 is percolating in the Midwest. If you were taking a round-about tour of the U.S., you would more likely bump into an RS Aero than a Melges 14. (But a RS Aero or a Melges 14 sighting would still remain very rare, as it remains true today, nearly every yacht club in the U.S. has some number of Lasers kicking around the dinghy park.) Unlike the Laser, which exploded on the U.S dinghy scene in the 1970's, given the factors at work in 2016, I would expect these new singlehanders to chart a more gradual acceptance into the sailing scene.

Addendum October 20, 2016: Tillerman left a comment indicating I am under-reporting the numbers and activity of RS Aero sailing in the U.S. I've moved his comment over to the main post.
"Thanks for the update on the RS Aero and the plug for my blog.

"I believe over a thousand RS Aeros have been sold worldwide, and the biggest countries by sales are UK, US and Germany in that order. About 150 have been sold in the US. In the first year, boats were sold in 39 countries on 4 continents - not sure of the latest numbers.

"You are correct that there are active RS Aero fleets in the Northeast and Pacific Northwest. There are also fleets in southern California, Florida and Texas. The RS Aero scene in Texas is really heating up with 14 RS Aeros already registered for the Wurstfest Regatta next month. There were 4 RS Aero regattas in New England this year with 16 and 17 boats at a couple of them. And there were 35 RS Aeros at the US Nationals at the Columbia River Gorge this year.

"There will definitely be two RS Aero regattas on back-to-back weekends in Florida this winter, and early indications are that attendance will be in the 20s at least.

"The RS Aero has World Sailing international class status now and the first RS Aero Worlds will be at Carnac in France next year.

Saturday, October 15, 2016

505 Classic Moth

Continuing with the 505 theme, the image above is one that ever-vigilant Neil Kennedy plucked from the Web. It is buried deep within a very interesting article on 505 designer John Westell, written by British historian David Henshall, found on the Yachts and Yachting website. The image is the lines drawing, the waterlines and buttocks of a Classic Moth that John Westell designed on his 505 theme. (No date is given for the design but it would be safe to assume sometime in the 1960's.)

I initially thought this design would not have met the 1 inch (25mm) hollow rule the class had in the 1960's (and a rule that our modern Classic Moth class still retains) but on second look it seems that John Westell did meet the rule (the rule applies aft of the daggerboard trunk and John did reduce the gunwhale flare to what looks to be legal limits in the back of this Moth).

Speed-wise this design does not offer any advantages to our current Gen 1 race-horses (the Shelley, the Europe, the Cates) but for someone who wanted to build a lovely mini-505 and race Classic Moths, this would be a very interesting and welcome addition to our polyglot group.

Wednesday, October 12, 2016

String Pullers Convention: The 505 East Coast Championship

I was reminiscing in a email exchange with Kiwi Neil Kennedy about the string puller classes; those dinghy classes that seem to have a mind-bending assortment of rope controls to tweak everything. The old Olympic double-hander, the Flying Dutchman comes to mind as good example. These dinghy classes were more prevalent in the 1960's and 1970's and also can be found in the modern sailing world in other dinghy cultures, such as the English... not so much in the United States... except for the always interesting 505 class. I closed the email saying the 505's were coming to town for their East Coast Championships in September and I would try to get some photos of "string".

I was able to wander around the SSA dinghy park before the event started and did get some photos. Many of these systems photographed below I saw on the old International 14's of the 1970's and 1980's. However, on the modern 505 they have been refined to the Nth degree, using modern materials so they work flawlessly.

This 505 had a condensed user manual electrical-taped on the aft starboard seat tank. I asked the crew about it and he said it was from the previous owner - they didn't abide by the instructions but kept it around anyway.

This 505 dispensed with the jib tracks on the inside of the tank and replaced it with a floating jib lead adjustment using thin spectra line (possibly to bring the lead further inboard - I didn't ask).

The ultimate. Supposedly a German dinghy fitter takes a bare Rondar 505 shell and this is what you get back. Note the hoop center main on a traveler. This allows weather sheeting of the main when you really want to twist off the top leach without having the rest of the leech sag off too far. One other advantage of such complexity in the middle of the boat; you can concentrate more weight in the center and get around the corrector rules.

An older 505. You can tell it has been much modified by the multiple filled screw holes on the centerboard cap. This is an over-under mainsheet/vang control/cleat (mainsheet on the top, vang on the bottom).

The German fitted 505 didn't use a mast ram at the gooseneck. Pre-bend of the mast was controlled by moving the shrouds fore and aft on a shroud track. The 505 mast rake can be adjusted throughout the race. With this set-up, the multi-purchase system used to tension the shrouds is out in the open and not buried inside the mast ring frame. Usually shroud tension on these dinghies requires something like a 36-1 purchase system.

The control console on the German 505. I didn't ask about specific functions of each string shown.

The modern 505 has twin spinnaker poles, slung on each side of the boom. This allows the crew to jibe the spinnaker without ever having to clip the spinnaker pole onto the mast or the spinnaker guy onto the pole - everything is done by pulling a string. This is the custom twin pole fitting on the mast.

Twin carbon spinnaker poles on a 505 where the boom is not yet placed on the gooseneck. When the pole is launched the spinnaker guy is automatically sucked up into the pole.

There are still very competitive wood-decked Lindsay 505's from the 1980's, albeit fully upgraded with the modern kit. The class now allows carbon booms but still requires an aluminum mast.

Some other posts featuring the 505 from the Earwigoagin memory bank.

Header Photo: Bermuda Fitted Dinghy under Spinnaker

I've featured the Bermuda Fitted Dinghy several times in previous Earwigoagin posts. From observing the photos of Fitted Dinghies racing there seems to be two odd traditions concerning the spinnaker; one of the crew holds the spinnaker pole against the mast (no pole fitting), and the pole is thrown overboard when reaching the leeward mark.

Monday, September 26, 2016

Benoit Duflos - Moth-Pop - Computer Massage - Part 3

Plans de dériveur classique Moth

I've run Benoit Duflos Moth-Pop design thru my hull software. The result is close but not exactly to Duflos' original plans. I've changed the original stations somewhat. Stations 1a, b, c, d, and 8e from Duflos' plans remain mostly the same but I've put other stations in new positions.

Frames are placed at (dim in mm from bow):

30(1a), 375, 750(b), 1250, 1750(c), 2300, 2850(d), 3335

You could use all these frames in a build if you wanted a stiffer but heavier hull.

For reference, in the section drawing below, waterlines are spaced at 60 mm (except for the first one above baseline, which is 30mm), and the buttocks are spaced at 150 mm.
Below is the .DXF file. Use the pop-out icon to open the file in another browser tab to download for use in a CAD program. Dimensions in the .DXF file are in meters.

Here are the offsets in mm. In the Moth-Pop Duflos designed a positive curve in the topside panel to improve stiffness. I've designated that point as the Top Side Bump-Out. There are also some points in the aft stations to mark out the bottom panel curvature.

Thursday, September 22, 2016

Medicare Part A

Today I went and registered for Medicare Part A, which, if you are a knowledgeable American, would precisely date my age. To celebrate, given my temperment, and to what I can look forward to in my coming advancing years, I present a somewhat Anglo-centric but very prescient video. (Let me also state that I work approximately five miles from the longest escalator on the East Coast of the U.S - and I have yet to take a ride on it... bucket list!)

Born to be Mild from Aeon Video on Vimeo.