Wet week in Caledonian Canal + some

Divemaster1

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This year we only had one week to spend continously on the boat, so decided a slow journey through the canal would be a rather nice pace of life. This time we decided that we would do no early lockings and have lazy mornings watching life pass by..

So on Sunday afternoon we locked in through the sea lock and spent the night in Muirtown basin (Near Inverness). Slow start next morning and a busy locking up the flight of four locks a Muirtown...

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A slow journey past Tomnahurich ...

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....and heading towards Dochgarroch which is the last lock before we enter Loch Ness. Stopped for lunch here and we had a fuel truck coming delivering fuel for us as they deliver regularly to the boats moored here. Starting up again we developed an odd vibration on port engine, which I thught might be some plastic or rope around the prop, but also realised that the engine had started to smoke a bit.... so guessed this is a injector which are playing up.

Continued through to Loch Ness and past Urquhart Castle ...

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Where we opened her up for a short while ..... and rightly so the smoke from port engine died down and they both ran up nicely to 2300 RPM. But why hurry, and as there were a number of other boats around we slowed down to about 9 knot, and the smoke came back. The vibration and smoke disappeared just after 1200 RPM when the turbo's kick in, so suspected one of the injectors sticking open.

Slow journey to Fort Augustus where we spent the night...

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Quick engine check in the morning revealed something un-expected ... raised oil level in port engine $£&%* !!! So fuel getting past piston rings ....not good !!!!! Upon startup, there is a definitive oil sheen at the exhaust ... so now I may have a) sticky injector b) damaged cylinder liner c) cracked piston rings ..... guess which one I hope for ....

Anyway, decided to continue using one engine only and port engine purely when manouvering, which worked well. So up the flight of locks at Fort Augustus (which looks pretty at night)

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on to Kytra for Lunch.....

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... and inwards to Loch Oich where we spent the night...

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Woke up to heavy rain (started previous night) with severe weather forecast westwards, so decided to head east again wehre the weather forecast was better, so ended up again at Fort Augustus, at the top of the locks...

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Next day we went down again, mid afternoon and took on Loch Ness again, but this time on single engine and 7 knot....

Moored up at Dochgarroch again, where there is a quaint little restaurant, serving beautiful food. The following morning we woke to a beautiful day ....

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....lazy morning and just before mid-day we set off towards Inverness again....

Another night in Muirtown basin and friends arriving next day for going to sea again and for a spot of playing with the dolphins around the Morray Firth ......

Nice day and plenty of life, but best of all, just at the marina entrance we were welcomed by two more friends ....

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Next .... engine inspection .... oh by the way, non-return valves are not failsafe !!!
 
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Thanks for the report Alf, very nice indeed.

Those aerial shots at Inverness and the Fort Augustus locks with the lights, look great, and of course your own photos, as usual, are really nice as well :)

Any particular story behind the lovely old traditional timber yachts in the lock behind you?

Can't imagine the cause of the engine problem evading you for too long.

Cheers
 
Thanks for the report Alf, very nice indeed.

Any particular story behind the lovely old traditional timber yachts in the lock behind you?

Cheers

Aye, brilliant photos Alf, thank you for posting them.

Re the classic yachts that AndieMac refers to, the schooner on the right looks very much like a Murray Peterson design - I am wondering if she might be Flower Of Caithness?
http://www.flowerofcaithness.co.uk/boat.html
Although if she is, then the bulwarks have been painted a different colour since the photos on her website.

Or could she be Flower's sister ship Mary Bryant?
 
Aye, brilliant photos Alf, thank you for posting them.

Re the classic yachts that AndieMac refers to, the schooner on the right looks very much like a Murray Peterson design - I am wondering if she might be Flower Of Caithness?
http://www.flowerofcaithness.co.uk/boat.html
Although if she is, then the bulwarks have been painted a different colour since the photos on her website.

Or could she be Flower's sister ship Mary Bryant?

She certainly appears to be one or the other Martin, good call, thanks mate.

Did you notice the site was hosted by Webcraft?
 
......- I am wondering if she might be Flower Of Caithness?
http://www.flowerofcaithness.co.uk/boat.html
Although if she is, then the bulwarks have been painted a different colour since the photos on her website.

Or could she be Flower's sister ship Mary Bryant?

Mary Bryant she was !!!, the second one I cannot remember right now, but she is quite young .... mid 1990's I believe ... timber with fibreglass ..... (was on the hard this winter with us).
 
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your pictures or the pics from your area alway's have a nice "spark" in them,
not sure what it is, but alway's very nice.

looking forward to our Schotland trip within 2,5 weeks
 
Lovely and peaceful looking places. The scenery is very similar to that of ours apart from the hills on the background, which make it much more exciting.

Great pics, thanks!
 
Back from a dirty Sunday onboard .... As we had a large(ish) ammont of fuel in the oil, I decided that I'd do an oil change before any investigation was to be carried out... so changed the oil and started the sick engine.... same issue with vibration and smoke (fuel shine on water) ... Now onto identifying which cylinder that caused the problem... decided that this was best determined by exhaust temperature for each port ..., so got one of these ...

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Then checking each exhaust port (after running a while), found cylinder 5 cooler than the others.... so looks like I have easily identified which cylinder is not well .... :) ...

Then there is the question "What is wrong?" ... Fuel lines, Injector, exhaust valves, piston, piston rings, liner etc..

As I needed to dismantle the air filters etc, to check injector and fuel lines, I decided that I would check the cylinder bore and piston first. Easiest thing for checking a cylinder condition on a two-stroke Detroit, is to open up the inspection port which gives you access to visually inspect the cylinder bore, piston and rings, and it is a single bolt removal.

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Opened up cylinder 5 & 6 (for comparison) .... then turning engine around..... On the face of things, all looked well on both cylinders with piston skirts smooth, oil scraping rings firm on, but not seized... Compression rings into view .... also OK ... until Ring 3.... which on cylinder 5 was missing, as was the top part of the piston crown..... :( .... so somewhere up in cylinder 5, I have a seized compression ring and top of piston skirt..... so cylinder is filling up with diesel and flowing into the exhaust and obvioulsy not firing as top of piston is stuck up there.

Now what next ???

I need to set injector 5 to zero fuel which will stop fuel to the cylinder, which will allow us to operate the engine cleanly for the rest of the season.... then it looks like I have a engine re-build on my hands .... which means a lot of dismanteling and prep work over winter .... but before I start, I need to device a way I can lift a 110 Kg cylinder head in limited space for the in frame rebuild....
 
Big fork lift will do the job. My starboard engines out, or coming out next week. it's not a big problem. But bit of a bummer for an oil leak.

Bit of diesel in the water on starting, dont mean anything, maybe a bit over fueled on starting.

A big fork lift through the patio doors lifts the whole engine out easy. Dunno how you go on with aft cabins.
 
Big fork lift will do the job. My starboard engines out, or coming out next week. it's not a big problem. But bit of a bummer for an oil leak.

Bit of diesel in the water on starting, dont mean anything, maybe a bit over fueled on starting.

A big fork lift through the patio doors lifts the whole engine out easy. Dunno how you go on with aft cabins.

Was actually hoping to do the re-build onboard, hence the need to devising a lifting frame for the 110 Kg cylinder head ...but may change my mind when I look into the details and take her ashore over winter.

The physical re-build should, in principle, be relatively easy as block is on an approx 45 degree slant outwards, similar to one part of a V engine to make it a Lower profile engine. This means that once cylinder head and oilpan is removed, I should have good access to both top and bottom end of the engine for the liner and piston replacement.... but the safe removal of the cylinder head is the biggest challenge, as is removal of the bits needed to do the job.

Marina does not have a forklift with a 5-6 M reach, so if anyting like that is needed, a truck with a crane will have to be brought in .... at which time engine removal would be an alternative.
 
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