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by Merlyn
Sun Dec 29, 2019 8:09 am
Forum: Crew Mess
Topic: New engine
Replies: 418
Views: 140477

Re: New engine

Super bit of kit with Santa flying around in your somewhat large shed you have over there Andrew. Perhaps you could design a turbo version which would carry a large payload of a fistful of dollars and route it over my way in time for a New Years present? Back to practicalities I fear that there coul...
by Merlyn
Tue Dec 24, 2019 3:54 am
Forum: The Workshop
Topic: First Timer
Replies: 4
Views: 542

Re: First Timer

Nice to hear from you again Dave and Big Pete and a happy Xmas to you and yours and all the best for the coming year. This Diesel engine fitted with a spark plug for each cylinder displays some most peculiar traits many of which I have never encountered before. For example a simple plug change consi...
by Merlyn
Mon Dec 09, 2019 6:02 pm
Forum: The Workshop
Topic: First Timer
Replies: 4
Views: 542

First Timer

After nearly 60 years in the trade I find myself today on a ship with 4 diesel engines fitted with spark plugs.
No, not glow plug/heater plugs ( although it does have them too ) but Spark plugs.
So what's the score here then?
by Merlyn
Thu Nov 21, 2019 1:25 am
Forum: Crew Mess
Topic: New engine
Replies: 418
Views: 140477

Re: New engine

Felix, Concerning your write up re timing, do you refer to valve timing and/or injection timing? If injection timing is it Common rail timing or the ( now old ) mechanical system? If Common rail whose system are you referring to ? If the old mechanical system duplex or single chain? Spur or straight...
by Merlyn
Wed Oct 30, 2019 8:02 am
Forum: The Workshop
Topic: Daihatsu diesel generator troubleshooting
Replies: 25
Views: 1739

Re: Daihatsu diesel generator troubleshooting

IMG_0807.JPG So the way to measure compressions in a Diesel engine with electric start with NO dismantling whatsoever? By measuring the resistance of the starter motor. How to perform the test; Disable the engines fuel injection system. Using a Engine diagnostic Oscilloscope ( preferably a four cha...
by Merlyn
Tue Oct 08, 2019 2:13 am
Forum: Crew Mess
Topic: New engine
Replies: 418
Views: 140477

Re: New engine

Greetings Alex, What a super illustration of valve bounce and obviously well knackered guides. If that depicted valve is an exhaust one and the wrist watch engine depicted has run for many hours then the red hot gases flowing continually across its seat during the bounce cycle must have been apparen...
by Merlyn
Sat Aug 31, 2019 12:29 am
Forum: The Workshop
Topic: Daihatsu diesel generator troubleshooting
Replies: 25
Views: 1739

Re: Daihatsu diesel generator troubleshooting

RESISTANCE is the word applicable here. Everyone must have encountered it in some form or another in their lives. So Mr Ohms and that upside down circlip symbol denoting the unit of resistance is how to measure each and every cylinder compressions accurately and very quickly with no dismantling what...
by Merlyn
Thu Aug 15, 2019 4:47 am
Forum: The Workshop
Topic: Daihatsu diesel generator troubleshooting
Replies: 25
Views: 1739

Re: Daihatsu diesel generator troubleshooting

It appears to me to be somewhat of a problem here engineering wise to crack this one? As there are more than one ways of skinning a cat ( as they say ) perhaps a different angle of attack might be the way to go. A personal approach maybe. So I put it to you in a different format. Winding back the ol...
by Merlyn
Tue Aug 13, 2019 2:16 am
Forum: Crew Mess
Topic: MSC Opera Crash In Venice
Replies: 5
Views: 1061

Re: MSC Opera Crash In Venice

How far back though? Back to that voice speaky tube with that whistle, long Morse cable or fly by wire jobby? Perhaps the same team who designed the system used to work for Boeing, they have it worse that computer taking over and bringing down fully loaded aircraft. Perhaps computer designed systems...
by Merlyn
Mon Aug 12, 2019 3:00 am
Forum: The Workshop
Topic: Daihatsu diesel generator troubleshooting
Replies: 25
Views: 1739

Re: Daihatsu diesel generator troubleshooting

BP and Revolver,

Further clues required here methinks?

This is what your first girl friend put out to you on your first date together?
by Merlyn
Sat Aug 10, 2019 11:25 am
Forum: The Workshop
Topic: Daihatsu diesel generator troubleshooting
Replies: 25
Views: 1739

Re: Daihatsu diesel generator troubleshooting

Good old Frank Perkins, started out with them, R6 and P6.
Still got the workshop manuals for them.
And the old smokey Cats.
So racking the old brain then re the Wheatstone Bridge clue which I remember doing in the early sixties what's the answer to it all?
by Merlyn
Sat Aug 10, 2019 9:13 am
Forum: The Workshop
Topic: Daihatsu diesel generator troubleshooting
Replies: 25
Views: 1739

Re: Daihatsu diesel generator troubleshooting

Don't see many ( if any ) 36 v engines but lots of Common rail stuff circuits on 5-5volts for modules and -5 volts for oxy. sensors etc. However you are ( intentionally or otherwise ) on the right track here mentioning voltage. Think about other measurements in the voltage field era and see if you c...
by Merlyn
Fri Aug 09, 2019 10:11 pm
Forum: The Workshop
Topic: Daihatsu diesel generator troubleshooting
Replies: 25
Views: 1739

Re: Daihatsu diesel generator troubleshooting

Only the readings amigo, only the readings.
by Merlyn
Thu Aug 08, 2019 7:26 am
Forum: The Workshop
Topic: Daihatsu diesel generator troubleshooting
Replies: 25
Views: 1739

Re: Daihatsu diesel generator troubleshooting

Remember my " What's the difference between a R/H machined liner and a L/H one? "
Nobody got it over several months period.
The answer was staring you in the face every time our read the question?
Things are not always what they appear to be speech again.
The clue is in the question.
by Merlyn
Wed Aug 07, 2019 12:46 am
Forum: Crew Mess
Topic: ER noise level
Replies: 10
Views: 1112

Re: ER noise level

And RPM
I reckon those squirters are the worst.
Up on the top end of the governors for most of their lives.
Screamers all day X 4 of 'em performing ( well down to 3 a lot of times )

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