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Forum: General Maintenance 09-15-2021, 08:26 AM
Replies: 17
Views: 479
Posted By diver dave
1 1/4*sanitation hose ?

Include 32mm hose in ur search.
Im fixing up a metric boat and had to expand my horizons. [emoji16]
Forum: Marlow - Mainship 09-14-2021, 08:50 AM
Replies: 20
Views: 1,106
Posted By diver dave
121083 Have 3 of these aboard currently

121083

Have 3 of these aboard currently
Forum: Other Trawler Systems 09-12-2021, 09:34 AM
Replies: 51
Views: 1,532
Posted By diver dave
Newb to AC

And thats prolly a 95/5 split. I tell my northern friends that SFL winters r whete u need to roll the car windows up between stoplights, then back down when waiting.
Forum: Other Trawler Systems 09-12-2021, 09:13 AM
Replies: 51
Views: 1,532
Posted By diver dave
Newb to AC

Agree. Plus there’s that pesky thing called water temperature. Where i go, its 87, 88 degrees. With 80% RH in the air. If U open up, then its mosquito fest. If u solve that with netting, then its...
Forum: Marlow - Mainship 09-12-2021, 08:05 AM
Replies: 20
Views: 1,106
Posted By diver dave
Hmmm, wires and 5 year life, how quaint. Put in...

Hmmm, wires and 5 year life, how quaint. Put in lithium powered 10 year units.
Too many wires in boats as is. [emoji41]
Forum: Electrical and Electronics & Navigation 09-08-2021, 11:24 AM
Replies: 15
Views: 1,184
Posted By diver dave
Ringing Noise in Electric Panel - Solved

Yeah, SS around 42x specific resistivity of Cu. Washer must be placed directly under the bolt/screw head on something like a breaker with tapped holes.
On a copper based system, phosphor bronze...
Forum: Electrical and Electronics & Navigation 09-07-2021, 06:33 PM
Replies: 15
Views: 1,184
Posted By diver dave
I like external star in stainless.

I like external star in stainless.
Forum: Liveaboards 09-06-2021, 07:57 PM
Replies: 173
Views: 8,365
Posted By diver dave
Thats funny. I saw a 70 ish foot once with 3...

Thats funny. I saw a 70 ish foot once with 3 gensets. Blended euro/US thing that had to support both 50 and 60Hz operations. These kind of installs almost require a full time ships...
Forum: Californian 09-06-2021, 10:29 AM
Replies: 27
Views: 1,330
Posted By diver dave
exhaust elbow question

If this was a muffler shop, it would be demo saw with metal blade on the threads, followed by a air hammer with cutter tip to get some anti-clockwise rotation on the remaining piece.
A marine shop...
Forum: General Discussion 09-04-2021, 10:19 AM
Replies: 95
Views: 5,455
Posted By diver dave
U would be shocked at the typical sailcat...

U would be shocked at the typical sailcat thickness below waterline. Fast power boats need more. But its more complex than that, due to stringer design and more…
Forum: Electrical and Electronics & Navigation 09-03-2021, 07:15 PM
Replies: 17
Views: 878
Posted By diver dave
Dont forget the magnet[emoji106]

Dont forget the magnet[emoji106]
Forum: Electrical and Electronics & Navigation 09-03-2021, 05:32 PM
Replies: 15
Views: 1,184
Posted By diver dave
Noise at a connection point might be actual...

Noise at a connection point might be actual arcing. Resistors are quiet. I dont believe there are any magnetic parts at the shore power connecter to react to a magnetic field and start shaking. ...
Forum: Californian 09-03-2021, 05:10 PM
Replies: 27
Views: 1,330
Posted By diver dave
I think i might reuse the old bronze barb and use...

I think i might reuse the old bronze barb and use PST sealant on the threads.
Forum: General Discussion 09-03-2021, 03:38 PM
Replies: 95
Views: 5,455
Posted By diver dave
I wanna see more. Please XRF your fuel tank and...

I wanna see more. Please XRF your fuel tank and thru hulls and stainless fittings for comment. Also, grab a portable FTIR and check out the important o rings and gaskets.
SEM on the sunbrella...
Forum: Electrical and Electronics & Navigation 08-29-2021, 07:24 PM
Replies: 30
Views: 1,604
Posted By diver dave
Anodes and Bonding

My last boat sat in hot salt water for 10 years and had shaft brushes and bonded u/w bronze and a single divers dream zinc. Alls well

Next boat is now 15 years sitting in hot salt water with lots...
Forum: Electrical and Electronics & Navigation 08-29-2021, 06:41 PM
Replies: 30
Views: 1,604
Posted By diver dave
Anodes and Bonding

Water pipe clamps Ive used. Get the all bronze variety.
Or, drill and tap the flange for a 1/4x 20 SiBr machine screw.
Forum: General Discussion 08-27-2021, 07:37 PM
Replies: 46
Views: 2,001
Posted By diver dave
Using solid magnet wire, I suppose?

Using solid magnet wire, I suppose?
Forum: Electrical and Electronics & Navigation 08-27-2021, 06:56 PM
Replies: 90
Views: 6,055
Posted By diver dave
Yeah, I’d do the same.

Yeah, I’d do the same.
Forum: General Discussion 08-27-2021, 06:46 PM
Replies: 46
Views: 2,001
Posted By diver dave
Electrical smell from Genset

Put your lugs on a vib table. Report ur findings[emoji41]

NASA demanded a tool called “anti-wicking” pliers on soldered connections. This prevented molten solder from migrating outward inside the...
Forum: General Discussion 08-27-2021, 12:41 PM
Replies: 15
Views: 967
Posted By diver dave
R U going to want air conditioning? I don't live...

R U going to want air conditioning? I don't live far away and the two seasons here seem to need some sort of modifications to support life. :D
Forum: General Maintenance 08-27-2021, 12:30 PM
Replies: 26
Views: 1,879
Posted By diver dave
Find a new(ish) nose cone. Yours will need help...

Find a new(ish) nose cone. Yours will need help in the way of sandblasting to allow a good no gap, fit to the block. A bad seat, will cause even a new cone to break, since you are loading/bending...
Forum: General Discussion 08-27-2021, 11:17 AM
Replies: 96
Views: 5,018
Posted By diver dave
The two voices that were at the epicenter, I have...

The two voices that were at the epicenter, I have not heard. USCG will certainly be looking at the use of volatile chemicals. And the use of cigarettes, vaping, etc.
Forum: Electrical and Electronics & Navigation 08-27-2021, 09:23 AM
Replies: 90
Views: 6,055
Posted By diver dave
An idiot's guide to building a big lithium bank

Agree for the most part. Three phase motors have the inherent simplicity of no caps, no start winding, no centrifugal switches. Prolly will work for a while immersed in salt water. True, you can...
Forum: Electrical and Electronics & Navigation 08-26-2021, 03:22 PM
Replies: 9
Views: 365
Posted By diver dave
Lets give it a try on 75m. PM me anytime; i...

Lets give it a try on 75m. PM me anytime; i live near the boat. :thumb:
Forum: Electrical and Electronics & Navigation 08-26-2021, 03:20 PM
Replies: 90
Views: 6,055
Posted By diver dave
Gosh; I might look at a 3 ph bilge pump and a 3...

Gosh; I might look at a 3 ph bilge pump and a 3 ph fire pump as well on a ship that size.
You know how those crazy divers are, with their own Li scooters and flashlights and 100% oxygen,...
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