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  Topic: Rudder downhaul cable
EarthBM

Replies: 6
Views: 272

PostForum: DF35 Hull   Posted: Thu 01 Jun 17, 16:59   Subject: Rudder downhaul cable
Thanks Mika, looks like a good improvement.
  Topic: Rudder downhaul cable
EarthBM

Replies: 6
Views: 272

PostForum: DF35 Hull   Posted: Thu 01 Jun 17, 0:46   Subject: Rudder downhaul cable
Great idea about the second rope! This way it will also give the signal that the first one broke (when the rudder slips aft)!

Thanks Mika!

One-off rudder? Just higher aspect ratio or something e ...
  Topic: Rudder downhaul cable
EarthBM

Replies: 6
Views: 272

PostForum: DF35 Hull   Posted: Tue 30 May 17, 18:13   Subject: Rudder downhaul cable
I am thinking about that. What diameter Dyneema do you use? Do you use thimbles and splicing to preserve breaking strength or just oversized rope?

At least on the 35 it goes through a 90-degree ben ...
  Topic: Rudder downhaul cable
EarthBM

Replies: 6
Views: 272

PostForum: DF35 Hull   Posted: Mon 29 May 17, 19:24   Subject: Rudder downhaul cable
I got a couple splintered strands in the cable that connects the rudder itself to the downhaul line. So remembering Larry's advice I want to replace it, but the eye fitting doesn't get through the 90- ...
  Topic: DF35 Centreboard Downhaul
EarthBM

Replies: 3
Views: 711

PostForum: General   Posted: Tue 19 Jul 16, 15:30   Subject: DF35 Centreboard Downhaul
I found the diagram, don't know how to post though. Email me at my username at gmail and I'll send it to you .
  Topic: DF35 Centreboard Downhaul
EarthBM

Replies: 3
Views: 711

PostForum: General   Posted: Tue 19 Jul 16, 15:23   Subject: DF35 Centreboard Downhaul
There is a diagram in the printed boat manual. It is fairly straightforward with the lines in red and green.

There is a hole at the corner of the board. The line enters it and then there is a roun ...
  Topic: Code Zero for DF28 Touring
EarthBM

Replies: 1
Views: 761

PostForum: DF28 Rig/Sails   Posted: Sun 10 Jul 16, 17:49   Subject: Code Zero for DF28 Touring
if your winds are <12 knots half the time it makes sense. If they are <9kt you can use Code 0 cloth, otherwise heavier.

I Used Randy Smyth designed screacher. You are probably looking at some ...
  Topic: Pressure on helm/rudder
EarthBM

Replies: 5
Views: 1227

PostForum: DF28 General Topics   Posted: Sun 10 Jul 16, 17:44   Subject: Pressure on helm/rudder
I've heard some accounts of how a more stretchable rope (nylon) works better because it absorbs shocks via elasticity rather than slippage.

But in general this should not happen. My rudder had to b ...
  Topic: Replacement Mainsail
EarthBM

Replies: 8
Views: 1580

PostForum: Rig/Sail issues concerning all DFs   Posted: Sat 04 Jun 16, 1:28   Subject: Replacement Mainsail
Are you zipping up the sails when not in use? 3 seasons for Technora sound like something is not done right.
  Topic: What dodger is this?
EarthBM

Replies: 0
Views: 889

PostForum: DF35 General Topics   Posted: Thu 14 Apr 16, 22:11   Subject: What dodger is this?
Saw it in this http://www.yachtworld.com/boats/2011/Quorning-Boats-Dragonfly-35-Ultimate-2756865/West-Frankreich/France#.VxAG5fDEynM listing.

Mine has gone totally opaque, perhaps from Port of Long ...
  Topic: Air Conditioning
EarthBM

Replies: 2
Views: 820

PostForum: DF35 General Topics   Posted: Wed 02 Mar 16, 5:13   Subject: Air Conditioning
Fort Lauderdale -- neighbor! Can't answer directly, because I haven't, but also would chip in that you don't need it. The inside space is simply not big enough to spend a lot of time there. Having sai ...
  Topic: California - Florida Dragonfly 35/1200 swap?
EarthBM

Replies: 6
Views: 1194

PostForum: General   Posted: Sat 27 Feb 16, 4:30   Subject: California - Florida Dragonfly 35/1200 swap?
Yep, this is what the owner of another DF 35 Tri Vector did. Cost $12k Oakland - Miami.

Use tax alone on buy/sell transaction will be more than that. Hence I was just thinking shared use / swap.
  Topic: California - Florida Dragonfly 35/1200 swap?
EarthBM

Replies: 6
Views: 1194

PostForum: General   Posted: Wed 24 Feb 16, 5:36   Subject: California - Florida Dragonfly 35/1200 swap?
Yep, this is an option, although feels wrong -- sailing it over is much more in the spirit of it! Sailing it down from Seattle to LA (with our own Steve B!) was one of the weeks in my life that I stil ...
  Topic: California - Florida Dragonfly 35/1200 swap?
EarthBM

Replies: 6
Views: 1194

PostForum: General   Posted: Tue 23 Feb 16, 5:30   Subject: California - Florida Dragonfly 35/1200 swap?
So I moved to a new job in Boca Raton, FL, and miss my 35 on the west coast.

One solution is to sail it down to Panama and then up to Florida. The problem of course is that from Panama it's uphill ...
  Topic: Losing Weight
EarthBM

Replies: 18
Views: 2677

PostForum: DF1000 General Topics   Posted: Fri 09 Oct 15, 22:52   Subject: Re: Thanks everyone!
Ivan, pics: Yes. I've a big picture view, but no details as I'm still working out how to finish the edges.
Please click on any of the photos to see them enlarged!

http://www.dragonfly-trimara ...
  Topic: Dragonfly 28 capsize ?
EarthBM

Replies: 7
Views: 2216

PostForum: General   Posted: Sun 27 Sep 15, 17:03   Subject: Dragonfly 28 capsize ?
Virtual copy/paste of my table from another DF 28 capsize thread... the last line shows the "righting moment index": 28S is two times less stable compared to 35T....

the 28 was built to g ...
  Topic: Losing Weight
EarthBM

Replies: 18
Views: 2677

PostForum: DF1000 General Topics   Posted: Sun 27 Sep 15, 16:50   Subject: Losing Weight
Thanks for the good detailed report!

Could you post pictures of the Net-Systems Ultra Cross trampoline?
  Topic: Breaking Battens on DF28
EarthBM

Replies: 7
Views: 1992

PostForum: Rig/Sail issues concerning all DFs   Posted: Tue 04 Aug 15, 15:13   Subject: Breaking Battens on DF28
or can just execute a regular jibe properly... dead downwind is a pretty mellow place... get to ~160 apparent wind angle, bring the mainsail dead center, both traveler and mainsheet, jibe to 160 appar ...
  Topic: Waterstays
EarthBM

Replies: 9
Views: 2794

PostForum: Rig/Sail issues concerning all DFs   Posted: Mon 13 Jul 15, 22:00   Subject: Waterstays
right, forgot about the hard windshield on the 1000 (1000 is the best looking DF in my view, in part because of that screen and the scoop aft of the traveler.)

Very keen to see your result with the ...
  Topic: Waterstays
EarthBM

Replies: 9
Views: 2794

PostForum: Rig/Sail issues concerning all DFs   Posted: Sun 12 Jul 15, 19:10   Subject: Waterstays
Great blog!

How did you source the polycarbonate screen ? Looks great.
Did you stitch it to the old dodger?

Bookmarked the blog!
  Topic: Tramps - repair or replace?
EarthBM

Replies: 6
Views: 2137

PostForum: HULL issues concerning all DFs   Posted: Mon 15 Jun 15, 22:19   Subject: Tramps - repair or replace?
I would really like to replace factory trampolines with more open mesh:
http://dragonfly-trimarans.org/phpBB/viewtopic.php?t=620

So far this is just a project in my head. But with some threads giv ...
  Topic: Main halyard block failure (2:1 purchase)
EarthBM

Replies: 8
Views: 2421

PostForum: Rig/Sail issues concerning all DFs   Posted: Wed 03 Jun 15, 16:26   Subject: Main halyard block failure (2:1 purchase)
Thanks, but how do you attach the block to the mainsail headboard -- with a rope shackle?
  Topic: Main halyard block failure (2:1 purchase)
EarthBM

Replies: 8
Views: 2421

PostForum: Rig/Sail issues concerning all DFs   Posted: Mon 01 Jun 15, 16:47   Subject: Main halyard block failure (2:1 purchase)
Mika, does your Dyneema halyard not slip through the clutch? (which do you have -- Easylock or Spinlock?)

The Karver block look neat -- do you have a pic of how you attach it to the sail? Does the ...
  Topic: VDO water tank level sensor
EarthBM

Replies: 1
Views: 1437

PostForum: Motor/Equipment/Electrics issues concerning all DFs   Posted: Sun 21 Sep 14, 6:53   Subject: VDO water tank level sensor
After the tank was empty for a few weeks, the sensor is sending readings al over the place, including twice the tank capacity (eg 200+ liters).

Does anyone know how to reset/recalibrate it?
  Topic: Has anyone installed hatch locks in the amas?
EarthBM

Replies: 10
Views: 4586

PostForum: HULL issues concerning all DFs   Posted: Tue 19 Aug 14, 19:16   Subject: Has anyone installed hatch locks in the amas?
Can report good experience with contacting BSI directly (bsidk.com -- marine -- contact). Bought 10 outside handles at $8/each plus shipping.

BSI part XO2206731
  Topic: Has anyone installed hatch locks in the amas?
EarthBM

Replies: 10
Views: 4586

PostForum: HULL issues concerning all DFs   Posted: Fri 15 Aug 14, 6:41   Subject: Has anyone installed hatch locks in the amas?
I am thinking http://www.defender.com/product3.jsp?path=-1|6880|2290149|2290157&id=1568522

$54/pair

Just need to look at it in person to make sure I understand how it will fit
  Topic: Has anyone installed hatch locks in the amas?
EarthBM

Replies: 10
Views: 4586

PostForum: HULL issues concerning all DFs   Posted: Thu 14 Aug 14, 22:47   Subject: Has anyone installed hatch locks in the amas?
Outside handle... $35 for a single piece of plastic... These custom parts are ready for 3d printing...

http://www.rigrite.com/Hardware/Hatch_%26_Port/_derived/Moonlight%20Hatch%20Parts.html_txt_Moo ...
  Topic: Haul out harness specs
EarthBM

Replies: 11
Views: 4181

PostForum: DF35 General Topics   Posted: Fri 25 Jul 14, 22:41   Subject: Haul out harness specs
I hear you on aligning the eyebolts!

Also on splicing... The problem is that I haven't done it, and this is probably not the best first application... Will find a rigging shop I guess.

The excel ...
  Topic: Haul out harness specs
EarthBM

Replies: 11
Views: 4181

PostForum: DF35 General Topics   Posted: Fri 25 Jul 14, 17:32   Subject: Haul out harness specs
Thanks Bo! Looks like sideways loads on the eyebolts are ok for 920's weight, based on the angles in the picture.

Larry,
I don't have the cradle anymore. Think the link I posed in the previous pos ...
  Topic: Haul out harness specs
EarthBM

Replies: 11
Views: 4181

PostForum: DF35 General Topics   Posted: Fri 25 Jul 14, 6:22   Subject: Haul out harness specs
Thanks Larry, this should work if not too windy.

Have you ever tried using the "platform lift" (you sail over the platform, then blocks are placed under the bottom and drom the sides, the ...
  Topic: Haul out harness specs
EarthBM

Replies: 11
Views: 4181

PostForum: DF35 General Topics   Posted: Fri 25 Jul 14, 1:03   Subject: Haul out harness specs
Found the picture.
http://www.dragonfly-trimarans.org/images35/crane_s.jpgPlease click on the photo to see it enlarged!

It's not a rectangle - just a fore and aft straps to align the rope with th ...
  Topic: Haul out harness specs
EarthBM

Replies: 11
Views: 4181

PostForum: DF35 General Topics   Posted: Fri 25 Jul 14, 0:32   Subject: Haul out harness specs
I want to construct my own harness from .5" Dyneema (15.4 ton ISO strength). Splice the ends that go through the eye bolts, and splice+shackles on the other end.

I recall that the factory harn ...
  Topic: DF 800 Weather Helm
EarthBM

Replies: 3
Views: 1907

PostForum: General   Posted: Wed 02 Jul 14, 4:32   Subject: DF 800 Weather Helm
The easiest is to pull the centerboard up a bit, like 10cm of the board downhaul worth.
  Topic: Rudder Downhaul
EarthBM

Replies: 3
Views: 2624

PostForum: DF1200 Rig/Sails   Posted: Sun 13 Apr 14, 19:56   Subject: Rudder Downhaul
Larry, did yours come off? Sounds like a spare that should always be on board.

Is there no synthetic solution?
  Topic: DF 1000 polar
EarthBM

Replies: 9
Views: 3696

PostForum: DF1000 General Topics   Posted: Wed 26 Feb 14, 6:44   Subject: DF 1000 polar
Thanks. That's beyond my knowledge. I did buy a Comar nmea-wifi bridge, installed it last weekend. Seems to work well, so I will start building real world polars in iRegatta soon.
  Topic: DF 1000 polar
EarthBM

Replies: 9
Views: 3696

PostForum: DF1000 General Topics   Posted: Fri 07 Feb 14, 18:35   Subject: DF 1000 polar
What bridge model are you using please? Is it connected to NMEA 183 output wire or something else?
Hi EarthBM,

Did you get your serial to wifi bridge working? I had similar problems with my own ...
  Topic: DF 1000 polar
EarthBM

Replies: 9
Views: 3696

PostForum: DF1000 General Topics   Posted: Sun 26 Jan 14, 7:38   Subject: DF 1000 polar
Hi Mika, how was your Barcelona- Adriatic sail?

The nmea-wifi bridge is from http://www.madmanmarine.com/ , but when I installed it today the nmea sentences were garbled up and iRegatta could not r ...
  Topic: DF 1000 polar
EarthBM

Replies: 9
Views: 3696

PostForum: DF1000 General Topics   Posted: Wed 22 Jan 14, 22:44   Subject: DF 1000 polar
Check out 2007 Yacht World article on the dragonfly.dk press page. It has dr 35 poplars that seem accurate in flat water.

I am getting an NMEA - wifi device (just $120 or so), which should allow me ...
  Topic: Code 0
EarthBM

Replies: 38
Views: 15372

PostForum: DF35 Rig/Sails   Posted: Tue 31 Dec 13, 0:40   Subject: Code 0
Well since we haven't had any posts for months (not even about the Barcelona-Slovenia delivery), here's what I did about the undersized (for the 1:1 screacher halyard) Easylock. I added a rope clutch. ...
  Topic: Delivery Barcelona-Slovenia
EarthBM

Replies: 6
Views: 3118

PostForum: General   Posted: Fri 04 Oct 13, 17:21   Subject: Delivery Barcelona-Slovenia
How was it?
  Topic: Sizing gear for Trimarans...
EarthBM

Replies: 14
Views: 3617

PostForum: Rig/Sail issues concerning all DFs   Posted: Sun 15 Sep 13, 18:09   Subject: Sizing gear for Trimarans...
Would say tri or any multi loads are higher. It has to do with higher apparent winds and with less heel. A gust would hit a mono sail and it would heel, spilling the highest load. A multi would stay u ...
  Topic: Free Navionics charts
EarthBM

Replies: 2
Views: 2164

PostForum: General   Posted: Thu 05 Sep 13, 18:51   Subject: Free Navionics charts
Looks like someone is sailing from Barcelona to Slovenia this month!

iPad + inavx or navionix seems like the cheapest solution. I have inavx and it works well with free US charts. Add pocketgrib an ...
  Topic: DF35 1st reefline lenght
EarthBM

Replies: 2
Views: 1796

PostForum: Rig/Sail issues concerning all DFs   Posted: Thu 05 Sep 13, 17:05   Subject: DF35 1st reefline lenght
25m 10mm Dyneema in the manual
  Topic: Delivery Barcelona-Slovenia
EarthBM

Replies: 6
Views: 3118

PostForum: General   Posted: Mon 26 Aug 13, 18:20   Subject: Delivery Barcelona-Slovenia
Would appreciate pictures, stories, videos!
  Topic: Motor battery problem
EarthBM

Replies: 1
Views: 2146

PostForum: Motor/Equipment/Electrics issues concerning all DFs   Posted: Thu 22 Aug 13, 18:53   Subject: Motor battery problem
When unplugged from shore power the parallel battery switch on the electric panel turns off after a while (10 minutes). I guess it's as expected to prevent autopilot/instruments/etc draining the start ...
  Topic: lopolight
EarthBM

Replies: 3
Views: 2899

PostForum: DF35 Motor/Equipment/Electrics   Posted: Thu 22 Aug 13, 17:55   Subject: lopolight
My mast top tricolor died after 4 years (almost no use). Lopolight was good about replacing it. Just need to make sure the serial number is preserved when removing silkaflex.

It feels like somethin ...
  Topic: Sailing singel handed
EarthBM

Replies: 5
Views: 3360

PostForum: DF920 General Topics   Posted: Wed 21 Aug 13, 17:00   Subject: Sailing singel handed
90% of my sailing is single handed. Good autopilot is key. Need to make sure sail trim gives you balanced helm, or the autopilot will drain the battery.

My autopilot (raymarine X10 is better than ...
  Topic: Delivery Barcelona-Slovenia
EarthBM

Replies: 6
Views: 3118

PostForum: General   Posted: Tue 13 Aug 13, 16:49   Subject: Delivery Barcelona-Slovenia
Should be a fun trip if you make stops in Sardegna and Sicily (or even Malta). Pilot charts say you should hug the North African coast for the current, but winds will be all over the place.

I had ...
  Topic: Mainsail traveler too tight
EarthBM

Replies: 11
Views: 3719

PostForum: DF35 Rig/Sails   Posted: Tue 06 Aug 13, 22:43   Subject: Mainsail traveler too tight
Yep, replaced the traveler line with a lot less tension on the new line (3/8", max diameter that fits) and the traveller is very easy now, my 13 year old can winch it!

Used polyesther line bec ...
  Topic: Series vs. Parralel for Solar Panels
EarthBM

Replies: 10
Views: 3668

PostForum: Motor/Equipment/Electrics issues concerning all DFs   Posted: Tue 16 Jul 13, 5:56   Subject: Series vs. Parralel for Solar Panels
Thanks! I guess the question is about drilling holes in the akas (can't be good) and about flexing cables between the aka and the hull.
 
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