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Simrad IS20 |
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Bereklauw2 
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Joined: 01 July 2007 Status: Offline Points: 190 |
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 Posted: 08 September 2007 at 23:39 |
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I always use true wind. It gives you a better idea about the direction and true force of the the wind in all headings and on tidal waters. It helps to better sheet the sails.
Boudewijn |
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Arwen, Hanse 370, #401, former owner of Mirage, Hanse 291. "Real men don't use bowthrusters!"
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Bereklauw2
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Joined: 01 July 2007 Status: Offline Points: 190 |
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Posted: 20 September 2007 at 11:14 |
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IS20 update:
The new IS20 instruments may very well be Nmea2000 instruments. Hanse mounted the new Airmar Smart Tri-ducer (speed, temp and depth) and this transducer is fitted with Nmea2000 cabling and connector. Guess what: the connector doesn't fit. The boat is still fitted with standard Simnet cabling. So no dummies on our boat, but a just a matter of unfortunate incompatibility. The windset is working properly however with the IS12/15 masthead transducer. You can read all about Nmea2000 at: www.maretron.com. (And yes: the boat sails perfect!) Boudewijn |
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Arwen, Hanse 370, #401, former owner of Mirage, Hanse 291. "Real men don't use bowthrusters!"
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Johan Hackman
Admiral of the Fleet 
Joined: 24 August 2005 Location: Sweden Status: Offline Points: 4361 |
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Posted: 20 September 2007 at 12:10 |
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Boudewijn, I think you are right that IS20 is going to be NMEA2000 compatible. I will most probably replace my IS15 system with IS20.
It's good to hear your boat sails well. That must mean that you've been out on the water with her? Johan |
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Johan Hackman
Admiral of the Fleet
Joined: 24 August 2005 Location: Sweden Status: Offline Points: 4361 |
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Posted: 20 September 2007 at 12:11 |
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I usually use True Wind too, but I recently found out how much better I perform if I use Apparent Wind Angle and VMG when I am tacking. Johan |
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Bereklauw2
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Joined: 01 July 2007 Status: Offline Points: 190 |
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Posted: 20 September 2007 at 18:21 |
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Johan,
Yes we have been sailin. We had holiday arrangements. But after a week due to the weather conditions here, we take the car and go south. From what Ive read about NMEA2000, it looks very promising. There is also a possibility to collect engine data. I've found a screen for that on the IS20 graphic or multi. According to the Maretron site Yanmar is supporting NMEA2000. Boudewijn |
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Arwen, Hanse 370, #401, former owner of Mirage, Hanse 291. "Real men don't use bowthrusters!"
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Ole Østergaard
Lieutenant Commander 
Joined: 19 May 2006 Location: Denmark Status: Offline Points: 77 |
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Posted: 21 September 2007 at 19:29 |
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Simrad instrument facts:
 IS15 / IS12
IS15 is using Roblink, cable and protocol, and have a NMEA 0183 port you can change from receiving to transmitting. in/out
 IS12 is using Simnet, cable and protocol, and thats all
 To both system you can connet other instrumet as the same type.
Simrad also have some "box" thats can convert the protocol to NMEA.
 It is compleat inpossible to connect IS15 & IS12 together, and let them work with a Gamin GPS. The carmin have 2 ports in/out NMEA 0183.
I have tried? I have IS15 multi (speed/dept & temp) and a Gamin C182 GPS, and my wife give me a gift (IS12wind), then my trouble start. At the end and before i installed the IS12, i contacted Simrad DK. and talk to the enginering, and after nearly one hour we give op and decited to skib the IS12wind.
So the conclusion is SIMRAD is not SIMRAD, but SIMRAD, and SIMRAD is a company that have "bought" other companies into SIMRAD (Robertson, Navico, Corus, Shipmate) and they have continieus there instrument in own name, and there original cable and protocol.
 The new IS20, use NMEA2000 is somebody saying, can it use SIMNET &/or ROBLINK? Is Nmea2000 also down compatible with the old Nmea? With the correct answer for me i can bye the new IS20Wind instrument and connect it to my IS15Multi, if not i decide to change all my instrument to another vendor.
 Regards Ole Østergaard
 MoDi
a Hanse 312 #351
Hope this bring little info to you.
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MoDi Hanse312 Sail # 351
Ole Østergaard Egå Marina Århus Danmark olp@mail.dk www.olp.dk |
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digme
Commander 
Joined: 14 November 2005 Location: Norway Status: Offline Points: 129 |
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Posted: 22 September 2007 at 00:05 |
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Unfortunately, that's not correct. There is some variation between different IS12 instrruments. Some have NMEA 0183 output, and the IS12 Mega sports NMEA input and output. (I should know. I use it to interface NMEA 0183 instruments with Simnet instruments.) You can also use the AT10 Universal Converter (NMEA 0183/SimNet).
It's not impossible, but you really need to know what you're doing. Some of the Simrad autopilots makes it really simple because they've got both Roblink and SimNet connectors (in addition to one or two NMEA 0183 connectors on the computer unit).
 To connect a Garmin GPS you need to address another issue. There are two kinds of NMEA 0138 interfaces. Garmin is using RS232C and Simrad is using RS422. You shouldn't try to directly connect the two. You need an interface.
My choice is to use equipment from the Swedish vendor Marin Elektronik. The have a product range calles Animal Farm and one interface you can use to connect Simrad (NMEA 0138) with Garmin is the Rabbit 2. (If you want to connect a PC rather than some GPS equipment I recommend the Rabbit 3.)
Note that when you've got the electrical wiring correct, you still need to reset SimNet to get the Simrad equipment talking with the Garmin.
And, SimNet is NMEA2000 with special plugs. It's fairly easy to make a cable that'll connect the two. No need to buy fancy interfaces.
 Ok, it may sound easy, but you should consider using professional help when wiring up navigational equipment.
Edited by digme - 22 September 2007 at 00:07 |
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copain
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Joined: 10 August 2007 Location: Netherlands Status: Offline Points: 182 |
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Posted: 22 September 2007 at 20:38 |
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Hi Boudewijn,
We have purchased the 350 and noticed the change to IS 20 instruments.
I have send the following question to Simrad:
"At the Hiswa show (2007) in IJmuiden (Holland) we visited the Hanse stand.
After negotiation with Hetterschijt(Dutch Hanse dealer) we decided to buy the Hanse 350. To our surprise the Simrad IS12 instruments were changed to IS20 instruments, so up to the Simrad stand but no joy there, while there was no documentation and we were told this range of instruments was not officially released and therefore no information. A lot of people at the different Hanse forums have questions about the quality and specifications of these instruments. My question to you is: Why would you be allowed to put something on the market without the proper info to buyers ?? This must be against European regulation!!"
Looking forward to you answer.
W.Smith I hope we will get a proper answer from them
Regards Willem
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s/y Copain (Beneteau 281)
from march 2008 Hanse 350 # 061 Visit my BLOG op http://www.wsv-haringvliet.nl/blog/maatje/ |
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Johan Hackman
Admiral of the Fleet
Joined: 24 August 2005 Location: Sweden Status: Offline Points: 4361 |
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Posted: 23 September 2007 at 09:41 |
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Willem, I think that's a clever and relevant question to ask. Let us know if you get an answer.
Johan |
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digme
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Joined: 14 November 2005 Location: Norway Status: Offline Points: 129 |
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Posted: 23 September 2007 at 10:19 |
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I guess it's covered by the general disclaimer in the contract. Works when you're buying a boat and the issue is what model of Simrad instruments.
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Bereklauw2 wrote: