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Showing results 1 to 25 of 87
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Search: Posts Made By: dem45133
Forum: General Discussion (sailing related) 12-23-2013
Replies: 115
Views: 24,110
Posted By dem45133
Re: Largest Semi-Trailerable Sailboat ???

Just an update...

The 30 ft Seafarer is "On Hold" at the minute. I ended up taking a job that is 1600 miles from the house. Left out of here Aug 22, just flew in last Friday (Dec 20) for the...
Forum: Diesel 08-07-2013
Replies: 38
Views: 3,614
Posted By dem45133
Re: Yanmar hard starting question

Yea, I didn't appreciate his blatant direct attack on me either... when he obviously missed the whole point on light vs heavy duty designs and didn't understand the marine environment and what in...
Forum: Electrical Systems 08-06-2013
Replies: 13
Views: 813
Posted By dem45133
Re: Helm control panel question

Interference of the magnetic compass... could that be one of the reasons for scattering electrical based devices around the cockpit? Mechanical engine gauges do not operate off electrical signals so...
Forum: Electrical Systems 08-06-2013
Replies: 13
Views: 813
Posted By dem45133
Re: Helm control panel question

Humm, don't know... I'll have to investigate that.
Forum: Electrical Systems 08-05-2013
Replies: 13
Views: 813
Posted By dem45133
Re: Helm control panel question

Thanks... I'll think about that some. Maybe the whole console could be positionable for where ever one is sitting.

Dave
Forum: Diesel 08-05-2013
Replies: 37
Views: 1,824
Posted By dem45133
Re: Confused about which oil weight to use

Good day avicola...

Part of that discussion would obviously be how old the boat/engine when one got it. Since I am a poor man... any boat or engine I get is about 20 or 30 years old. If one buys...
Forum: Diesel 08-04-2013
Replies: 38
Views: 3,614
Posted By dem45133
Re: Yanmar hard starting question

That a neat site Hellosailer. I saved down the pdf.

Worth a look if your interested in oils you all. I'd love to get my hands on their test data for the various brands, but I doubt that's...
Forum: Diesel 08-04-2013
Replies: 37
Views: 1,824
Posted By dem45133
Re: Confused about which oil weight to use

Good day DixieJulie

Once you eliminate the simple things as mentioned above there is something to think about...

Since it is raw water cooled and salt water.... its a bad combination for any...
Forum: Diesel 08-04-2013
Replies: 37
Views: 1,824
Posted By dem45133
Re: Confused about which oil weight to use

I second the high rev comment. 3600 is pushing it. Actually on most long stroke engines its starting into the "screaming" definition. You may be a little underpropped too, but just pull the...
Forum: Diesel 08-03-2013
Replies: 37
Views: 1,824
Posted By dem45133
Re: Confused about which oil weight to use

Without a thermostat sometimes (depending flow characteristics) the flow can be too much and prevent full operating temp...

I supposed it could be possible that the stay time around the cylinder...
Forum: Diesel 08-03-2013
Replies: 37
Views: 1,824
Posted By dem45133
Re: Confused about which oil weight to use

Back to the original topic.... I've been using Shell Rotella 15w40 for 35 years in all my diesel and most of my gas engines (old school low rev type). Only in the very coldest part of winter do I...
Forum: Diesel 08-03-2013
Replies: 38
Views: 3,614
Posted By dem45133
Re: Yanmar hard starting question

There you go again. Do you just enjoy insulting people, or just tooting your horn to make yourself feel good, or trying to convince yourself you know something? You didn't need to add the "this is...
Forum: Diesel 08-03-2013
Replies: 37
Views: 1,824
Posted By dem45133
Re: Confused about which oil weight to use

(edit: I replied from the original post on your over heat on page 1, didn't see the previous replies until just now. I repeated a couple things, but also added a couple. No matter what you need to...
Forum: Diesel 07-31-2013
Replies: 85
Views: 2,723
Posted By dem45133
Re: Conversion to oil as coolant?

A miniscule amount which is offset by drag almost instantly on props our size.




No, Tiny
Forum: Diesel 07-31-2013
Replies: 85
Views: 2,723
Posted By dem45133
Re: Conversion to oil as coolant?

Yea, just proves a statement my wife was told many many years ago by her grandfather and she has repeated a thousand times since when appropriate... "There never has been any shortage of either...
Forum: Diesel 07-31-2013
Replies: 85
Views: 2,723
Posted By dem45133
Re: Conversion to oil as coolant?

Geeez... get your facts straight. I'm not the one who talk potential gross and net developed torque. You have to read the context it was stated in.

Mark... maybe your just an a**. You are...
Forum: Diesel 07-31-2013
Replies: 85
Views: 2,723
Posted By dem45133
Re: Conversion to oil as coolant?

Sir, I've been working on engines for better that 40 years. You are missing the point. I do not care what the boat itself is doing... that's irrelevant. The variables your cite "wind, water...
Forum: Diesel 07-31-2013
Replies: 37
Views: 1,824
Posted By dem45133
Re: Confused about which oil weight to use

The main difference is in the cold start... which in most pleasure craft will not be all that cold.

I've used Rotella T 15w40 in EVERY engine I've owned for the past 35 years. I get 250,000 miles...
Forum: Diesel 07-31-2013
Replies: 85
Views: 2,723
Posted By dem45133
Re: Conversion to oil as coolant?

... "Unless a boat is being pushed above the capability of the motor by running down the backside of a wave, isn't the torque at the input the same, regardless of the condition of the hull? Isn't the...
Forum: Diesel 07-29-2013
Replies: 85
Views: 2,723
Posted By dem45133
Re: Conversion to oil as coolant?

Yes, that was what I was trying to convey too. Its in the design... I have no idea what the TDI engine is, but if it was designed for marine its fairly robust to hold it. An engine design for auto...
Forum: Gear & Maintenance 07-29-2013
Replies: 1,138
Views: 363,943
Posted By dem45133
Re: Low buck projects- Let's see 'em!

Why? What are they mfg it from that can't do oil? Can't be much good then.
Forum: Diesel 07-29-2013
Replies: 85
Views: 2,723
Posted By dem45133
Re: Conversion to oil as coolant?

"Mad Machine"... sounds like a name that would fit me too. I'll modify anything and even have machine tools in the shop.

As far as the Jetta engine... If I am right... I believe is was purpose...
Forum: Diesel 07-29-2013
Replies: 85
Views: 2,723
Posted By dem45133
Re: Conversion to oil as coolant?

Thanks Mark2g...

Yea, I calculated the air thing too (not doable) when I considered some of the air cooled small gas engines, but I do not want gas on board anywhere really. It will be a tight...
Forum: Electrical Systems 07-29-2013
Replies: 13
Views: 813
Posted By dem45133
Re: Helm control panel question

Hello ChuckelsR

Yea, thats what I'm talking about! I love natural wood... its too bad no one (at least that I've found yet) that makes a clear wood finish that is UV PROOF.

Thanks.
Forum: Electrical Systems 07-29-2013
Replies: 13
Views: 813
Posted By dem45133
Re: Helm control panel question

"Since you don't need to constantly monitor them they could be placed perhaps at a seat back to the side of the wheel."

Thanks Gladrags1, I'll start looking.. but I'll likely build up my own just...
Showing results 1 to 25 of 87

 

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