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Forum: Power Systems Today, 12:33 PM
Replies: 94
Views: 2,243
Posted By Nomad Willy
Thought about the hole in the thermostat but now...

Thought about the hole in the thermostat but now Iím glad I didnít do it.

My Mitsu started up quickly and warmed up fast. Was up to 190 quickly. My idle speed was higher than most would have it...
Forum: Power Systems Yesterday, 02:00 PM
Replies: 94
Views: 2,243
Posted By Nomad Willy
Mambo42 wrote; “I have a 172 degree thermostat...

Mambo42 wrote;
“I have a 172 degree thermostat that is what apparently belongs in these engines (according to the company in the Netherlands). I actually wanted to have a 163 degree one, because of...
Forum: General Maintenance 06-23-2022, 05:53 PM
Replies: 41
Views: 2,478
Posted By Nomad Willy
KnotYet, I agree that NA engines will be happy...

KnotYet,
I agree that NA engines will be happy w single or multivis lube oil.
And I agree turbo engines should have what the manufacturer recommends as well as all other engines. And if they don’t...
Forum: Power Systems 06-23-2022, 01:33 PM
Replies: 94
Views: 2,243
Posted By Nomad Willy
Mambo42 wrote per post #55; “Moving weight...

Mambo42 wrote per post #55;
“Moving weight around I don't really see as a viable option. But your tip is valuable, so that I don't move batteries (heavy weight) into the lazarette. Unfortunately I...
Forum: General Maintenance 06-23-2022, 12:52 PM
Replies: 41
Views: 2,478
Posted By Nomad Willy
Well professor will you please enlighten us? ...

Well professor will you please enlighten us?

Did you read my take on having a maximum amount of oil probably aids lubrication? Anything else in the oil does probably does not.
I’m not saying that...
Forum: Power Systems 06-23-2022, 11:31 AM
Replies: 39
Views: 4,379
Posted By Nomad Willy
Post #33 on “cruising green” Great shout in...

Post #33 on “cruising green”

Great shout in the dark about reality.
Forum: Power Systems 06-23-2022, 11:19 AM
Replies: 94
Views: 2,243
Posted By Nomad Willy
Also and probably more inflewensive the wetted...

Also and probably more inflewensive the wetted surface area becomes less per ton of displacement.

SeeVee,
Yes using a fuel flow meter would shed a lot of light … or darkness on the subject. Many...
Forum: General Maintenance 06-23-2022, 11:03 AM
Replies: 41
Views: 2,478
Posted By Nomad Willy
Don, 1. Lubrication at startup is kind of a...

Don,
1. Lubrication at startup is kind of a snake oil subject. Mostly opinions. And Iíve offered my own. Most opinions are kind of a scare tactic implying or outright stating ďmost wear in an engine...
Forum: General Maintenance 06-22-2022, 10:44 PM
Replies: 41
Views: 2,478
Posted By Nomad Willy
KnotYet said this about my post; ďAnd the...

KnotYet said this about my post;

ďAnd the same old misconstruing. No one has said that marine diesels need
multiviscosity oil. The point is that there is no need to avoid them either.Ē

Very...
Forum: Power Systems 06-22-2022, 07:05 PM
Replies: 94
Views: 2,243
Posted By Nomad Willy
I agree rgano. But it depends a lot on how the...

I agree rgano.
But it depends a lot on how the engine is propped. It’s a function of load .. not engine speed or rpm. There’s only one rpm.
But I’m curious … what’s a “waterline boat”?
Forum: General Maintenance 06-22-2022, 07:02 PM
Replies: 41
Views: 2,478
Posted By Nomad Willy
We choose our presidents with a popularity...

We choose our presidents with a popularity contest.
Why not oil?
Forum: Power Systems 06-22-2022, 05:10 PM
Replies: 94
Views: 2,243
Posted By Nomad Willy
Hippocampus, Re low prismatic hulls … they are...

Hippocampus,
Re low prismatic hulls … they are often called “diamond shaped hulls” The most efficient hull at low speeds. Well below hull speed.
Forum: General Maintenance 06-22-2022, 05:06 PM
Replies: 41
Views: 2,478
Posted By Nomad Willy
No multi-vis oil needed for inboard boat engines...

No multi-vis oil needed for inboard boat engines Ö.
UNLESS Ö. itís for a fireboat or other such craft that requires heavy engine loads right after startup.
Stationary engines operated by engineers...
Forum: Power Systems 06-22-2022, 01:31 PM
Replies: 94
Views: 2,243
Posted By Nomad Willy
Mambo42, Yes the more your stern looks like...

Mambo42,
Yes the more your stern looks like your bow the more efficient your boat will be … at the appropriate slow speeds tho.

Speed for max range includes a lot of variables.
Over...
Forum: Power Systems 06-22-2022, 11:57 AM
Replies: 94
Views: 2,243
Posted By Nomad Willy
The brick wall you face w a typical rec trawler...

The brick wall you face w a typical rec trawler is hull form and weight.
When trawler hulls become much more like FD fish boats and sailboats much will be gained in efficiency. Short of that … not...
Forum: General Discussion 06-22-2022, 11:52 AM
Replies: 3
Views: 216
Posted By Nomad Willy
Is there any activity at Duncanby Landing?

Is there any activity at Duncanby Landing?
Forum: Power Systems 06-21-2022, 02:33 PM
Replies: 39
Views: 4,379
Posted By Nomad Willy
Why all this talk about electric this and...

Why all this talk about electric this and electric that before exploring deeply all the benefits possible w gas and diesel power.

With my Willard going 1/2 a knot slower would likely reduce fuel...
Forum: General Discussion 06-20-2022, 06:44 PM
Replies: 5
Views: 207
Posted By Nomad Willy
GD, I usta live on Robson street almost ďinĒ...

GD,
I usta live on Robson street almost ďinĒ Coal Harbour. 1971

If you trim a boat angle of attack (aoa) from fwd velocity it will not be correctly trimmed. If you were on the face of a wave...
Forum: General Discussion 06-18-2022, 09:02 PM
Replies: 117
Views: 4,540
Posted By Nomad Willy
Thanks guys for the good feedback. I knew...

Thanks guys for the good feedback.

I knew there was potential.

One potential problem I thought about was the fact that reverse thrust would start out w a loaded propeller and lots of prop...
Forum: Grand Banks 06-18-2022, 05:52 PM
Replies: 14
Views: 846
Posted By Nomad Willy
With twins the’re could be a weight bias fwd due...

With twins the’re could be a weight bias fwd due the the engines being well fwd .. part of other design issues.

Long time GB owners may have input.
Forum: General Discussion 06-18-2022, 05:41 PM
Replies: 117
Views: 4,540
Posted By Nomad Willy
Never had thrusters but see a possible advantage...

Never had thrusters but see a possible advantage w stern thrusters. No prop walk if over time you found out at what rpm in your single screw boat the stern thruster neutralized the prop walk and...
Forum: General Discussion 06-16-2022, 06:53 PM
Replies: 172
Views: 5,789
Posted By Nomad Willy
Simi 60, You donít speak so much about engine...

Simi 60,
You donít speak so much about engine reliability as you do about history. Having many hundreds to thousands of hours time running a specific boat, engine, control systems and electrical...
Forum: General Discussion 06-16-2022, 10:00 AM
Replies: 172
Views: 5,789
Posted By Nomad Willy
Wify B, Aren’t “jet” drives quite inefficient?...

Wify B,
Aren’t “jet” drives quite inefficient? At one speed? Or anytime. I see few jet boats so they’re must be a big drawback. Expense probably.
Forum: General Discussion 06-16-2022, 09:53 AM
Replies: 172
Views: 5,789
Posted By Nomad Willy
Hippocampus makes good point. His post 121...

Hippocampus makes good point.

His post 121 is a clear case for single prop on CL.

But one needs to evaluate the good and bad of everything and make decisions. Whatís worse? Hitting a submerged...
Forum: General Discussion 06-15-2022, 10:50 AM
Replies: 172
Views: 5,789
Posted By Nomad Willy
Ted I don’t think I missed your point but what...

Ted I don’t think I missed your point but what you describe as going over a spillway is true you’re much more a risk taker than I.
Showing results 1 to 25 of 500

 
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