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Showing results 1 to 25 of 309
Search took 0.01 seconds. Search: Posts Made By: jonasaberg
Forum: Product or Service Reviews & Evaluations 16-12-2022, 01:14
Replies: 16
Views: 5,239
Posted By jonasaberg
Re: Sailomat 601 Manual

Are you still looking for a 601 Manual?
Forum: OpenCPN 18-07-2021, 16:03
Replies: 4
Views: 655
Posted By jonasaberg
Re: Make your own charts

Thanks,
Ok, but how do you go from the nmea stream to a chart that is readable in OCPN?
Forum: OpenCPN 18-07-2021, 14:51
Replies: 4
Views: 655
Posted By jonasaberg
Make your own charts

Sorry for beeing out of touch, I guess this topic has been covered
many times…

I need to survey an area and produce a private sea chart that can be read by OpenCPN.

In the past there was a...
Forum: Deck hardware: Rigging, Sails & Hoisting 18-01-2018, 00:39
Replies: 1
Views: 797
Posted By jonasaberg
Identify Organizer, replace sheaves

Does anyone recognize this organizer?

It is probably from year 1980, mounted on a 42 ft mast head cruiser racer.

I want to replace the sheaves, they look a little worn especially the ones with...
Forum: Construction, Maintenance & Refit 10-11-2017, 11:11
Replies: 7
Views: 1,028
Posted By jonasaberg
Chromed copper tubing

Is standard chrome plated copper tubing for domestic use sensible to use in a boat?
I need to change the tubing for the radiator system for heating the boat, and the only way is probably to have a...
Forum: Electrical: Batteries, Generators & Solar 22-05-2017, 15:42
Replies: 45
Views: 6,809
Posted By jonasaberg
Re: Use two cables in parallell to double area?

See extract from AWG on Wikipedia below:
As stated in the thread, AWG 2 is 33.6 mm^2 (which I rounded of to 35 mm^2). In the metric system this way of writing (mm^2) means "length*length" which...
Forum: Electrical: Batteries, Generators & Solar 22-05-2017, 07:12
Replies: 45
Views: 6,809
Posted By jonasaberg
Re: Use two cables in parallell to double area?

A big thanks to all of you.

I think my original summary in post #3 holds.

I did indeed refer to square mm (and not diameter) and used the Nigel Calder conversion table to compare it to AWF size...
Forum: Electrical: Batteries, Generators & Solar 21-05-2017, 07:12
Replies: 45
Views: 6,809
Posted By jonasaberg
Re: Use two cables in parallell to double area?

Yes, but proper fusing is obviously a general requirement. Nothing special to double-cabling.
Forum: Electrical: Batteries, Generators & Solar 21-05-2017, 06:20
Replies: 22
Views: 3,151
Posted By jonasaberg
Re: 1/0 wire

I did not find this thread earlier today and started a new one where I got to know about this earlier thread.

I wrote a quick summary, and for those interested it is found here:...
Forum: Electrical: Batteries, Generators & Solar 21-05-2017, 04:05
Replies: 45
Views: 6,809
Posted By jonasaberg
Re: Use two cables in parallell to double area?

Thanks, good thread!

Summary:
Doubling is recommended practise at large required cable dimensions by Victron and commonly used in electronic circuitry design and in industrial installations.
...
Forum: Electrical: Batteries, Generators & Solar 21-05-2017, 03:08
Replies: 45
Views: 6,809
Posted By jonasaberg
Use two cables in parallell to double area?

Is this the right sub forum for this discussion?
I was thinking of using two 35 mm^2 (AWG 2) in parallell to get a total of 70 mm^2 to use in a windlass installation since I have the cable from...
Forum: Anchoring & Mooring 15-05-2017, 12:09
Replies: 23
Views: 4,594
Posted By jonasaberg
Re: Bow anchor box design 42 ft sail yacht

Nice! Thanks. So they let the chain slide down the side of the hull. I did not dare to try that. I thought the chain needed a foot of free fall below the deck. Also the Anchorlift motor prefered...
Forum: Anchoring & Mooring 15-05-2017, 12:05
Replies: 23
Views: 4,594
Posted By jonasaberg
Re: Bow anchor box design 42 ft sail yacht

Nice! Thanks. So they let the chain slide down the side of the hull. I did not dare to try that. I thought the chain needed a foot of free fall below the deck. Also the Anchorlift motor prefered...
Forum: Anchoring & Mooring 15-05-2017, 11:57
Replies: 23
Views: 4,594
Posted By jonasaberg
Re: Bow anchor box design 42 ft sail yacht

I made a full scale model to test my idea of an off centre mount and a narrow tall small volume chain box.
https://youtu.be/TCcfIoawP0U

I will make a hatch in the deck just on the port side of...
Forum: Anchoring & Mooring 15-05-2017, 00:33
Replies: 23
Views: 4,594
Posted By jonasaberg
Re: Bow anchor box design 42 ft sail yacht

Thanks for your comments!
The space is very tight so the only option is a custom made hatch. I am not worried about structural integrity, there is a bulkhead just aft of the hatch, and I will make...
Forum: Anchoring & Mooring 12-05-2017, 07:58
Replies: 23
Views: 4,594
Posted By jonasaberg
Re: Bow anchor box design 42 ft sail yacht

Thanks for all good info.

The anchorlift winch seemed like a good economical choice after looking around on a boat fair in Stockholm 8-9 years ago, and when I found two identical winches on a sale...
Forum: Anchoring & Mooring 07-05-2017, 23:50
Replies: 23
Views: 4,594
Posted By jonasaberg
Re: Bow anchor box design 42 ft sail yacht

Thanks, good advice!
Forum: Anchoring & Mooring 07-05-2017, 22:24
Replies: 23
Views: 4,594
Posted By jonasaberg
Bow anchor box design 42 ft sail yacht

I intend to install an Anchorlift Dolphin 1000 with 50 m 8mm chain in the bow of a 42 ft sailing yacht.
The yacht does not currently have an anchor box.

Design issues:
-What distance is needed...
Forum: OpenCPN 03-05-2016, 05:28
Replies: 71
Views: 19,032
Posted By jonasaberg
Re: Garmin xHD Radar Overlay

Thanks, just a hollow shell...
Forum: OpenCPN 02-05-2016, 09:32
Replies: 71
Views: 19,032
Posted By jonasaberg
Re: Garmin xHD Radar Overlay

Yea, I think it does weigh less than half a kg... Anyone know how much it should weigh?
Forum: OpenCPN 02-05-2016, 09:13
Replies: 71
Views: 19,032
Posted By jonasaberg
Re: Garmin xHD Radar Overlay

I found a xHD at a bankruptcy sale today. Could this be just an empty shell for demo/exhibition?
There is no serial number..

I am really interested to by this but feel it is a bit risky. Anyone...
Forum: OpenCPN 18-01-2016, 08:36
Replies: 363
Views: 58,226
Posted By jonasaberg
Re: OpenCPN on Raspberry Pi2

I know I am ignorant about this, but is it impossible to have wx3.0 included with ocpn or have it available for installation before ocpn without having to compile it on the pi?
I would guess that...
Forum: OpenCPN 06-02-2015, 03:24
Replies: 167
Views: 19,778
Posted By jonasaberg
Re: The Electronic Charting "Zoom Problem"

Yes, this is what I interpreted that Dockhead was requesting. This would be neat to have.
Forum: OpenCPN 05-02-2015, 15:18
Replies: 167
Views: 19,778
Posted By jonasaberg
Re: The Electronic Charting "Zoom Problem"

Of course the captain is responsible for the navigation, but today it seems to be so much easier than it was 30 years ago. Then the charts was the accurate part of the system, and the position...
Forum: OpenCPN 02-02-2015, 13:37
Replies: 167
Views: 19,778
Posted By jonasaberg
Re: The Electronic Charting "Zoom Problem"

I agree that you are responsible to check the route you are to navigate but ... an aide is an aide ... it helps to locate problems and seems a smart tool so I agree with Dockhead.

I have many...
Showing results 1 to 25 of 309
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