Hi,
A topic on speedometers (can't find it) made me figure
out this simple setup. Used the padle as a boom-extender
and a Garmin gps.
Yesterday I did a test-run, here's the result.
http://www.youtube.com/wa…detailpage&v=XALVwzZJs3Y
André
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Tornado (80's Reg White)
Prindle 18-2 (sold)
Dart 16 (hired and hooked)
13 mtr steel cutter (sold)
Etap 22, unsinkable sailing pocket cruiser.
Amsterdam, the Netherlands
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Catamaran Speedometer
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Posted: Apr 26, 2013 - 07:38 AM
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Posted: Apr 26, 2013 - 11:28 AM
Like it!
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Damon Linkous
1992 Hobie 18
Memphis, TN
How To Create Your Signature
How To Create Your Own Cool Avatar
How To Display Pictures In The Forums.
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Posted: Apr 26, 2013 - 07:59 PM
Same here! That's cool.
Tom
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Tom Benedict
Island of Hawaii
P-Cat 18 / Sail# 361 / HA 7633 H / "Smilodon"
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Posted: Apr 27, 2013 - 03:26 AM
Like it too. Is it reading kph or kts??
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Jeff R
'88 H18 "Jolly Mon"
'10 C2 USA1193
NE IN / SE MI
cramsailing.com
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Posted: Apr 27, 2013 - 04:14 AM
Jeff, its reading Knts, nautical miles.
André
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Tornado (80's Reg White)
Prindle 18-2 (sold)
Dart 16 (hired and hooked)
13 mtr steel cutter (sold)
Etap 22, unsinkable sailing pocket cruiser.
Amsterdam, the Netherlands
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Posted: May 02, 2013 - 06:48 AM
I have an old analog speedo that was given to me with my H-18. Imagine a 3/8" aluminum pole with a plastic prop on the end. i tried it once, but the cat goes so fast i could barely hold the darn thing in the water.
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FYC, Nacra 5.2 "Chris's Flyer" & Nacra Playcat & Farrier Tramp
Previously owned: Trac 14, H14, H16, H18, N5.0, G-cat 5.0
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Posted: May 02, 2013 - 08:28 AM
HAHA, ANALOG~!
I think the proper method is to tie a line to your rear beam and drag your crew behind the boat. They can hold the pole/prop in the water below them much better than you can (their hands are free)
Every time they come up for air (i assume they will get dragged under often) they can yell the current speed reading to you (in-between their gasps for air)
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Posted: May 02, 2013 - 11:24 AM
I recall seeing a harness for keeping the crew and analog speedo under the tramp, out of the sun. I think there was an optional Playmate cooler rack/snorkle to add to the crew's comfort.
It had a light so it could be read after sundown as well.
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Sheet In!
Bob
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Prindle 18-2 #244 "Wakizashi"
Prindle 16 #3690 "Pegasus" Sold (sigh)
AZ Multihull Fleet 42 member
(Way) Past Commodore of Prindle Fleet 14
Arizona, USA
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Posted: May 02, 2013 - 05:42 PM
Well done... I will be hijacking your setup idea. I will have to see if my LCD is readable 4 or 5 ft back tho.
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nacra inter-18
CNBP
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Posted: May 03, 2013 - 05:43 AM
i did the same on my trimaran on the end of the bowsprit and a gopro3
http://www.youtube.com/wa…s45hdszGx0LqvYgQ&index=2
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Posted: May 07, 2013 - 05:55 AM
Maybe utilize a speedo like on a yamha wave runner. Has a 1" paddle wheel that spins that calculates speed and sends to a readable unit??
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Will
Indian Shores, FL
Newbie but catching on fast.
NACRA 17
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Posted: May 07, 2013 - 05:56 AM
And attach to be k of a hull. Maybe one for each hull?
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Will
Indian Shores, FL
Newbie but catching on fast.
NACRA 17
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