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Forum: Health, Safety & Related Gear 30-10-2020, 13:50
Replies: 47
Views: 4,600
Posted By pendragon
Re: How much damage to vessel from whale strike?

we hit a whale in the coral see, 13T. Steel boat, 6-7 knots. Boat stopped on a dime
No damage to the boat and crew.
Whale damage: Probably a bad headache....
Forum: Seamanship & Boat Handling 23-10-2020, 10:28
Replies: 114
Views: 6,547
Posted By pendragon
Re: Reflections on Seamanship

Well if they hack or shut down the US GPS system , we still have Galileo and glonass and Beidou which gives even greater accuracy than GPS.
Forum: Liveaboard's Forum 23-10-2020, 09:34
Replies: 100
Views: 11,490
Posted By pendragon
Forum: Navigation 19-10-2020, 17:44
Replies: 39
Views: 4,229
Posted By pendragon
Re: Autopilot steering off course

Thew rudder feedback unit is probably worn in the center position. The center position is where it operates most of it's working life.
It is just a wire wound pot meter with center=zero . Replace...
Forum: Cruising News & Events 05-10-2020, 13:20
Replies: 229
Views: 19,107
Posted By pendragon
Re: Yachties deported from NZ

Good on ya NZ. No excuses, no concessions. Those are the current govt rules. Abide by them or else......... When the covid problems are fixed you are all welcome to come over..
For now: G0 directly...
Forum: Electrical: Batteries, Generators & Solar 25-09-2020, 16:11
Replies: 95
Views: 8,133
Posted By pendragon
Re: Help identifying electrical gizmo from 1990 yacht

It's a toroidal transformer. The dial on top selects input voltage of the primary coil, thus effecting the output AC.
Run the engine, use the dial, put your multimeter on AC and find the...
Forum: Marine Electronics 15-09-2020, 01:39
Replies: 79
Views: 6,255
Posted By pendragon
Re: AIS recommendation

Yes the software is near identical, but the hardware is not: Like there is no decent external alarm connection. You need to put a transistor switch in between , if your buzzer draws more than 0.1mA ....
Forum: Marine Electronics 14-09-2020, 17:41
Replies: 79
Views: 6,255
Posted By pendragon
Re: AIS recommendation

The genuine Matsutec HP-33A AIS transponder, actually has the name 'Matsutec' embossed on the case and has a more or less square case. Comes with a manual about 1/2" thick. This is the genuine...
Forum: Seamanship & Boat Handling 04-09-2020, 15:35
Replies: 152
Views: 12,641
Posted By pendragon
Re: Why is the CG Unintelligible When They are on the Radio?

Record the broadcast and put playback on 33 1/3
Forum: Monohull Sailboats 21-08-2020, 15:59
Replies: 43
Views: 4,238
Posted By pendragon
Re: Connections to mast, screws or rivets?

Stainless screws seize up in aluminum and are very hard to drill out, while monel rivets don't seize up. To replace, grind flush and punch them out.
Forum: Auxiliary Equipment & Dinghy 21-08-2020, 15:26
Replies: 105
Views: 7,336
Posted By pendragon
Re: Binoculars - with or without built-in compass

My 7x50 Steiner has a stabilized compass with red light built-in which is great for nights and a range finder.
The compass works fine even on a steel boat.
Quality or junk.........You get what you...
Forum: Propellers & Drive Systems 10-07-2020, 16:54
Replies: 32
Views: 3,194
Posted By pendragon
Re: How to grease the prop shaft ?

My 2 cents.........
A cutlass is an old Oldsmobile
A cutless is a bearing
Forum: Electrical: Batteries, Generators & Solar 03-07-2020, 16:09
Replies: 44
Views: 4,387
Posted By pendragon
Re: Interesting find, self soldering sleeves...

I have had major problems when soldering nav light connections on top of the mast with a 80W solder iron, the wind just keeps the wires too cold.
I also tried those plastic sleeves, using a heat...
Forum: Fishing, Recreation & Fun 26-06-2020, 07:08
Replies: 98
Views: 11,651
Posted By pendragon
Re: Fishing on long haul or ocean passage

25 years ago there was plenty fish in the S. Pacific/tasman/Coral seas.
We troll a spoon lure on a stainless trace to 200Lb mono, 30/40 feet behind the boat. In those days mahi mahi, tunas, Spanish...
Forum: Construction, Maintenance & Refit 05-06-2020, 15:42
Replies: 52
Views: 3,893
Posted By pendragon
Re: Mast Climbing Techniques

Climbing the mast on some rope is fine, but out at sea, you become a pendulum, so....I just riveted aluminum mast steps all the way up. Wear a harness and clip on/off as i descend. I find this the...
Forum: Plumbing Systems and Fixtures 29-05-2020, 06:52
Replies: 114
Views: 9,993
Posted By pendragon
Re: Manual vs electric head?

Suggest you use the electric variety. I've had the same unit for the last 25 years
The only problem is that the small (discharge) flap valve sometimes starts to leak (somehing stuck in it) causing...
Forum: Seamanship & Boat Handling 18-05-2020, 14:00
Replies: 500
Views: 23,550
Posted By pendragon
Re: Examples of a two crew watch rotation for an ocean crossing?

With 2 on board, we do 4 on 4 off, starting watches at 1600hrs until 0800 the following morning. During he day who ever is awake, keeps a look out.
The watches alternate every day
The person who...
Forum: Marine Electronics 27-03-2020, 14:12
Replies: 48
Views: 4,179
Posted By pendragon
Re: Connecting new to old wiring, best practice.

I solder ( silver solder lead free) all my electrical connections and put dual-wall heat shrink on all the joints. I never use connectors of any kind, as they all tend to corrode over time
Forum: OpenCPN 09-12-2019, 13:55
Replies: 69
Views: 4,629
Posted By pendragon
Re: OpenCPN will not open in Windows 10 64 bit

I had exactly the same problem. What I did was:
I uninstalled CPN in Control panel, than manually deleted all the CPN references on C: and all in the registry, reboot laptop. Installed CPN...
Forum: Destinations 08-11-2019, 16:51
Replies: 179
Views: 22,108
Posted By pendragon
Re: Risk of not checking in, new country / island

If you go ashore before clearing customs in New Caledonia. The skipper gets an instant fine of USD15.000, every ashore crew USD5.000 and the boat gets confiscated. Than the skipper get taken to...
Forum: Multihull Sailboats 14-10-2019, 14:20
Replies: 197
Views: 25,704
Posted By pendragon
Re: What do single handlers do at night?

I tie up to a pier in mid ocean, take a taxi home at night and continue the voyage to Tahiti in the morning :whistling:
Forum: Marine Electronics 13-07-2019, 15:55
Replies: 28
Views: 2,078
Posted By pendragon
Re: External alarm buzzer for Matsutec AIS HP-528A

The solution seems to be to solder an external low powered buzzer to the existing one. Polarity is important here!

I don't know why people still call this a Matsutec
The HP-528A is a nameless...
Forum: Marine Electronics 30-05-2019, 01:33
Replies: 28
Views: 2,078
Posted By pendragon
Re: External alarm buzzer for Matsutec AIS HP-528A

Ehh...... You should mount the mic as close as poss to the buzzer output side, you could even glue(hot melt) them together( leave 2 mm space or so)
Than set the potentiometer to only act on buzzer...
Forum: Marine Electronics 30-05-2019, 01:14
Replies: 28
Views: 2,078
Posted By pendragon
Re: External alarm buzzer for Matsutec AIS HP-528A

Note that the internal buzzer cannot drive a relay nor a external buzzerr!! It may work well a few times and than ...........no more.
A relay coil will use even more power than a buzzer
What you...
Forum: Marine Electronics 29-05-2019, 19:43
Replies: 28
Views: 2,078
Posted By pendragon
Re: External alarm buzzer for Matsutec AIS HP-528A

GHRT: According to the factory you cannot directly connect a external buzzer to the internal one, you'll overload the circuit, unlike the 33A, which has a (driver) power-up circuit behind it

Try...
Showing results 1 to 25 of 126

 
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