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1st Mate

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Initially Posted - 08/05/2019 :  17:29:33  Show Profile  Reply with Quote

Will this setup let me use a tablet in the sunlight? About to test it in August, in Texas, so we'll find out soon enough! If the answer is no, we'll just have to sail with the dodger up all the time, because it turned out so pretty.

This boat is setup to be wireless. We use the Vexilar SonarPhone epoxied to the hull in the V-berth for wifi depth, which integrates with Navionics for a nice, reliable display, and is an excellent resource for getting in and out anchorages. I will often go to the bow to drop the hook and switch to my phone for instrumentation to confirm what I am seeing in the water.

While that was a good choice, I made a poor decision and bought a sailtimer wind instrument to broadcast the wind data via bluetooth. While it worked when mounted to the railing via a GoPro mount for several months, it failed after only two weeks in a permanent installation on top of the mast. And I mean a complete failure, electronic interface failed, and then the bearings, which thankfully seized because they were dreadfully noisy. It clearly wasn't ready for primetime and I got nowhere with customer service.

Trying the Calypso ultrasonic next. With the wind instruments tied into the app, I get a nice feel on the boat for windspeed, which really is critical to managing the sail plan on this boat. What do you all run?


Catalina 250 WK SR Hull #475
San Juan 21 Hull # 1977 (SOLD)


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116 Posts

Response Posted - 08/06/2019 :  15:15:38  Show Profile  Reply with Quote
I have a 250WK with the wheel and binnacle. I bought a cheap Lowrance hook 2 fishfinder/GPS and mounted it on the binnacle with a transducer puck shooting through the hull. Very simple, works well for speed and depth. I adjust my sails using the speed. I can see it in the brightest sun and the color display is easy to read. If it gets stolen no big loss.

Frank Vaughan
250 WK/SR
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1st Mate

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69 Posts

Response Posted - 08/08/2019 :  09:23:16  Show Profile  Reply with Quote
This month's Cruising World magazine has a good review of apps for your tablet. One of the apps, C-map (Embark) described on page 80, automatically adjusts the color and contrast to allow full readability in bright daylight.

Michael Levin
Sailin' on Sunshine
C250 #402 WK
Lake Tahoe
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Master Marine Consultant

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4372 Posts

Response Posted - 08/09/2019 :  18:01:27  Show Profile  Reply with Quote
I use Embark on my iPhone and Android to navigate public transit in towns like NYC, Boston, Wash DC, Atlanta, San Jose and Denver. Itís completely connected with real-time updates so itís a very accurate way to get around. The parent company makes very smart software.
I just downloaded the C-MAP app to my iPad and if itís anything like the Embark app, Iím covered on the boat.
Of course Iím still all about belts and suspenders so I keep my 2 handheld GPSs and my charts and dividers.

Bruce Ross
Passage ~ SR-FK ~ C25 #5032

Port Captain ó Milford, CT

Edited by - Voyager on 08/09/2019 20:44:45
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