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Search: Posts Made By: Dumah
Forum: Sailnet.com Polls   09-22-2011
Replies: 200
Views: 25,068
Posted By Dumah
44' X 16' Cape Island 135 HP Senator running on...

44' X 16' Cape Island 135 HP Senator running on dual fuel, PAID FOR.

Cheers, Dumah,
Halifax, NS
Forum: General Discussion (sailing related)   07-22-2010
Replies: 31
Views: 3,324
Posted By Dumah
Fight club has little or nothing to do with...

Fight club has little or nothing to do with sailing, per se, rather it is a place for the "kiddies" to play in the sandbox. Should you be foolish enough to take ANY of the remarks to heart, I suggest...
Forum: Diesel   07-10-2010
Replies: 12
Views: 1,911
Posted By Dumah
So far so good with the advice. In all fairness...

So far so good with the advice. In all fairness to those who have posted, it is important to know and correctly apply the torque specifications. Got 35 years around thumpers and floaty things in...
Forum: Gear & Maintenance   07-05-2010
Replies: 37
Views: 7,340
Posted By Dumah
As a ship repair specialist, (35 years) when I...

As a ship repair specialist, (35 years) when I pack a stern gland I NEVER put a joint in the packing on the bottom. This will leak every time. When you cut the packing leave about an eighth inch...
Forum: General Discussion (sailing related)   05-16-2010
Replies: 81
Views: 5,584
Posted By Dumah
This demonstrates the absolute stupidity and...

This demonstrates the absolute stupidity and arrogance of those addicted to communication devices. This gent would not be welcome aboard my vessel unless I'm allowed to give such devices a float...
Forum: Diesel   05-09-2010
Replies: 25
Views: 3,115
Posted By Dumah
very well said, sir..................having said...

very well said, sir..................having said that, I'll stick my oar in and recommend Rotella 15-40, imho the best lube on the market for ANY diesel, I have even used the same oil in my Briggs...
Forum: Diesel   05-09-2010
Replies: 20
Views: 3,239
Posted By Dumah
the early VW diesel s were prone to runaway on...

the early VW diesel s were prone to runaway on srtictly blowby gasses, turboed and supercharged engines only need a bad seal on the intake side to draw lube oil into the engine where it provides...
Forum: Diesel   05-04-2010
Replies: 20
Views: 3,239
Posted By Dumah
With over 35 years in the industry, I can testify...

With over 35 years in the industry, I can testify that a runaway engine is not only possible but highly likely. It is not the liquid in the sump you worry about, it is the fumes drawn in via the...
Forum: Electrical Systems   04-15-2010
Replies: 31
Views: 9,400
Posted By Dumah
I tend to use uninsulated connectors pinch them,...

I tend to use uninsulated connectors pinch them, solder, then add heat shrink tubing. Takes longer but also lasts much longer. Labels are a must and I also tend to use more than most zip ties,...
Forum: Gear & Maintenance   04-15-2010
Replies: 7
Views: 7,024
Posted By Dumah
That oil consumption is way too high, suggest you...

That oil consumption is way too high, suggest you have a leak in the lube oil cooler or raw water pump. Either way,I would be investigating and curing before the engine itself starts inhaling water....
Forum: Gear & Maintenance   04-15-2010
Replies: 33
Views: 8,513
Posted By Dumah
I own a Mermaid Mariner (6 cyl, 135 HP) and it...

I own a Mermaid Mariner (6 cyl, 135 HP) and it came complete with a "sump pump". I have modified to add an electric pump witch allows me to not only change the oil with 12 volts, but also gives me a...
Forum: Diesel   04-15-2010
Replies: 20
Views: 3,239
Posted By Dumah
Won't argue the runaway engine, we still dilute...

Won't argue the runaway engine, we still dilute crankcase oil up north in order to be able to start it, the lighter elements evaporate off as the engine warms up, in addition I've been known to use...
Forum: Diesel   04-14-2010
Replies: 2
Views: 956
Posted By Dumah
Mermaid Info Wanted

I own a Mermaid Mariner, model #05135-13 and I could use an owners manual as well as a workshop manual. Could anyone direct me to a PDF without going to Mermaid.uk as my firefox says the site is...
Forum: Diesel   04-14-2010
Replies: 20
Views: 3,239
Posted By Dumah
A common problem is a failed diaphram in your...

A common problem is a failed diaphram in your lift pump which will also cause air locking in the injector system due to air being drawn in through the failure. This likely won't happen if the fuel...
Forum: Diesel   03-31-2010
Replies: 22
Views: 6,633
Posted By Dumah
suggest that is an "O ring" set up, CAREFULLY let...

suggest that is an "O ring" set up, CAREFULLY let your pump go and twist the pump around the pipe to release> You may have to add a penetrating fluid to both ends as I would recomend replacing the...
Forum: Diesel   03-23-2010
Replies: 16
Views: 7,317
Posted By Dumah
Strongly recommend 15/40 Rotella, been working in...

Strongly recommend 15/40 Rotella, been working in and around diesels for over 35 years, mostly marine.I feel a 30 weight oil too light.
Cheers, Dumah, Halifax
Forum: Introduce Yourself   03-21-2010
Replies: 9
Views: 684
Posted By Dumah
I'm a newby with a 35' ex lobster vessel acquired...

I'm a newby with a 35' ex lobster vessel acquired from Crown Assets for a rediculously low price, and have noticed that there are not a lot of diesel sailors on this site. I'm an ex engineer, alergic...
Forum: Diesel   02-21-2010
Replies: 18
Views: 1,606
Posted By Dumah
Veggy oil is a viable fuel provided precautions...

Veggy oil is a viable fuel provided precautions are taken. Firstly, do not think one can do without fuel oil as it is needed to start and stop the engine. The veggy oil MUST be heated before even...
Forum: Diesel   02-21-2010
Replies: 9
Views: 1,314
Posted By Dumah
In actual practice a new engine casting MUST be...

In actual practice a new engine casting MUST be "seasoned" before any machining is done merely to reduce internal stresses from the casting process. Depending on how finicky one is, (I'm not) one can...
Forum: Diesel   02-21-2010
Replies: 3
Views: 1,133
Posted By Dumah
Ten Commandments for Diesel Maintainance

(1) Thou shalt keep thine engine clean and in adjustment that thy life in its company shall be long and that the owner shall increase thy pay.

(2) Know thy engine and all its parts and...
Forum: Diesel   02-21-2010
Replies: 12
Views: 2,332
Posted By Dumah
I have to take exception to the remark that there...

I have to take exception to the remark that there is no difference between diesel and gas engines. Firstly, I have seen too many violent holes in the water with gassers being started without...
Forum: Diesel   02-21-2010
Replies: 7
Views: 2,960
Posted By Dumah
I prefer to use "loctite" blue, tends to also...

I prefer to use "loctite" blue, tends to also resist vibration better than teflon tape and can be used for any medium, fuel, raw water ,coolant etc.
Hope this helps,
Dumah, Halifax, NS
Forum: Diesel   02-21-2010
Replies: 12
Views: 8,872
Posted By Dumah
I would NOT have any 71 series engine in a...

I would NOT have any 71 series engine in a pleasure craft. I have 35 years working in and around ships and related machinery, we call them Detroit converters, convert fuel to noise. They tend to leak...
Forum: Introduce Yourself   02-20-2010
Replies: 3,451
Views: 957,461
Posted By Dumah
Own a 35"Cape Island recently purchased from...

Own a 35"Cape Island recently purchased from Crown Assets and intend to use her (after refit) touring coastal Atlantic Canada. Unicorn Mystriss is Halifax based.
Forum: General Discussion (sailing related)   02-20-2010
Replies: 682
Views: 31,411
Posted By Dumah
That has got to be the MOST illogical argument...

That has got to be the MOST illogical argument I've seen and I'm only halfway through this thread. If it is that clean, hook up your gas mask to your exhaust and tell us how well you are breathing in...
Showing results 1 to 25 of 38

 
 
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