Search found 1024 matches

by Merlyn
Fri Jan 26, 2024 2:01 am
Forum: The Workshop
Topic: Post purge sequence on Boiler after emergency trip
Replies: 2
Views: 2010

Re: Post purge sequence on Boiler after emergency trip

Fond memories of singed and non existant eyebrows from flashback days whilst peering through that glass peephole with a manual torch flaming away and thrust into the furnace with cotton waste on the torch. All the torches were welded onto the ends with the firemans initials and who betide anyone who...
by Merlyn
Mon Dec 11, 2023 1:36 am
Forum: F.W.E
Topic: Edwin Millar/Jolly Jack
Replies: 4
Views: 7860

Re: Edwin Millar/Jolly Jack

Shocked and saddened to just read JJ's entry into the FWE column. Although I never met him I felt he was one of the major contributers to the site and one of the old school re his experiences of the marine engineering world. I will allways remember the banter we experienced together particularly con...
by Merlyn
Sat May 20, 2023 10:57 am
Forum: The Workshop
Topic: Caterpillar C8.7 temperature query
Replies: 7
Views: 3271

Re: Caterpillar C8.7 temperature query

Got any scoops fitted to the hull outside of the sea suctions?
Bent/damaged/foreign bodies etc restricting flow rates etc?
by Merlyn
Sat May 20, 2023 10:54 am
Forum: The Workshop
Topic: Caterpillar C8.7 temperature query
Replies: 7
Views: 3271

Re: Caterpillar C8.7 temperature query

Got any scoops fitted to the hull outside of the sea suctions?
Damaged/missing/restricted flow/foreign bodies obstructions etc?
by Merlyn
Sat May 20, 2023 10:33 am
Forum: The Workshop
Topic: Caterpillar C8.7 temperature query
Replies: 7
Views: 3271

Re: Caterpillar C8.7 temperature query

Thats a fast old canoe you have there, slammer jobby indeed. When I have encountered similar problems I have used IR temp detectors, being a ray shiner you can isolate temp. in temp. out from seasuction to pumping it back over the side. Pipework, charge air coolers , all heat exchangers, pumps, ther...
by Merlyn
Sat Apr 22, 2023 3:54 am
Forum: The Workshop
Topic: Aalborg Auxiliary Boilers leaking water into drum
Replies: 3
Views: 2055

Re: Aalborg Auxiliary Boilers leaking water into drum

Test points?
Test kits?
by Merlyn
Sat Sep 17, 2022 1:50 am
Forum: The Workshop
Topic: Marine Engineering - Practical Tips & Tricks
Replies: 62
Views: 84805

Re: Marine Engineering - Practical Tips & Tricks

JK has the answer to this.
I remember back a long JK writting about scraping in white metal bearings on a steamwinch?
Dig deep in that old toolbox.
Clue?
Its half round?
by Merlyn
Sat Sep 17, 2022 1:44 am
Forum: Crew Mess
Topic: New engine
Replies: 547
Views: 2027987

Re: New engine

Dont mean nothing to me Andrew.
I'm still in feet and inches over here in UK
by Merlyn
Tue Sep 13, 2022 5:57 am
Forum: Crew Mess
Topic: New engine
Replies: 547
Views: 2027987

Re: New engine

Twice as fast eh?
Up on the plane big time here.
Don't forget the spray rails calculations here together with the cavitations equations.
Five blader or four?
Equipoise?
Left or Right handed?
Azipod?
PS
Can't imagine the size of you garage here.
by Merlyn
Mon Sep 12, 2022 9:54 pm
Forum: Crew Mess
Topic: New engine
Replies: 547
Views: 2027987

Re: New engine

Right
by Merlyn
Sat Sep 10, 2022 2:58 am
Forum: Crew Mess
Topic: New engine
Replies: 547
Views: 2027987

Re: New engine

500,000 SHP Andrew?
Didnt think there was that many SHP in the world.
Biggest one so far is 108,00 SHP so how bigs this ship gonna be?
Gi normous jobby here.
And all on one shaft?
Or a DE version?
Where you gonna build this?
Its all off the clock in terms of reality.
by Merlyn
Tue Sep 06, 2022 8:32 am
Forum: Crew Mess
Topic: New engine
Replies: 547
Views: 2027987

Re: New engine

Andrew, So six propshafts, six sets Michel Plummer bearing assemblies, six sets thrust pad assemblies ,six sets of ninety degree angle drive gearboxes, shaft tunnels to accommodate same and six sterngland assemblies. Plus six sets couplings. Or three shafts into one ninety degree gearbox. And what a...
by Merlyn
Fri Sep 02, 2022 2:04 am
Forum: Crew Mess
Topic: New engine
Replies: 547
Views: 2027987

Re: New engine

Whilst I take on board all that you have said Andrew this latest configeration of yours is for a land based machine, a three axled loco. no less. I see the counterbalance weights on each wheel clearly displayed but the driving rods are very very close to the centre shaft whereby on a loco. they are ...
by Merlyn
Thu Sep 01, 2022 12:42 am
Forum: Crew Mess
Topic: New engine
Replies: 547
Views: 2027987

Re: New engine

Andrew, It would appear to me that we have a crossover of interests here in so much as the semi rotary engine is a IC engine and the chain driven one is steam powered one. This is borne out by the valvegear fitted to the IC engine, looks like 45 or 30 degree cut seats and to boot looks like four spa...
by Merlyn
Mon Aug 29, 2022 1:54 am
Forum: The Workshop
Topic: Marine Engineering - Practical Tips & Tricks
Replies: 62
Views: 84805

Re: Marine Engineering - Practical Tips & Tricks

Nothing on this subject of late so here is one from the past. Re white metalling a bearing during an emergency repair with the job up in a lathe three jaw chuck in boring out the ID on its last cut you encounter a blow hole. Not a lot of white metal left in the stores to start over so what are you g...