Kelvin F4 rebuild

[billh]

37 minutes ago, RLWP said:

Yes, but that one's just plug ugly and missing its  GT engine.

Ours is very good looking with a  5litre Kelvin  that goes fairly  quick if you let it

[tom_c]

I'm not too worried about a tug of war, it's only a J2! Half the capacity of the F4 and a slower throttle response, I can always run on petrol for a bit more power like you did with Joel in Nottingham! 

Just got to finish it and get it in the boat and run in first. Some of the bits for the electronic ignition system are ordered, looking forward to seeing how well that works.

Tom 

[stagedamager]

On 1/26/2018 at 20:17, D. W. Walker said:

Looks brilliant, I thought I was the "patron saint of lost causes" in the words of my pal!

One question: where on the canal network do you think you will be able to buy paraffin in "engine size quantities", not just in 5 litre containers? The canals are very much set up for diesel boats!

We had a similar consideration with a coal fired steam boat - 20kg sacks don't go far and are an expensive way of buying coal in large quantities!

If only your brother ran a Boatyard and could put a kerosene tank in........

Oh. That's handy.

 

[tom_c]

I had a bit of time this week, new front engine feet are on and it's starting to look more like an engine again

next step, vaporisers and carburettors, hopefully next week.

Tom

[tom_c]

More progress today, hopefully lifting it into the boat over the weekend!

[NB Esk]

1 hour ago, tom_c said:

More progress today, hopefully lifting it into the boat over the weekend!

Some really nice work there...

[stagedamager]

cracking work......

if anyone needed a major engine rebuild..... I know where I would be going based on this....

 

[BEngo]

Are those fixed links on the impulse drive, or are they just there for assembly?

 

N

[tom_c]

They are rubber O rings as I have left the correct springs on the boat. They are working for testing though 

Tom

[tom_c]

Progress has been slow over the last couple of months, but the engine is roughly in position in the boat, next step is aligning it with the shaft then I will start on the fuel tanks and plumbing 

[tom_c]

Sorry for the long delay since the last update, today I started on the electronic ignition system to replace the magneto, this will use a trigger wheel and a sensor and bolts in place of the magneto. Just awaiting the the arrival of some bearings and can then assemble and fit to the engine.

Tom

 

[john.k]

Seems a shame to go to all that trouble and not refit a period correct magneto.

[BEngo]

Where did the round flanged piece behind the die cast box start life please?

It looks fairly modern.

TY.

N

[tom_c]

The round flanged piece is a hub from a large fan, it just happens to be about the right size to fit the mounting. I have quite a few of them.

I am keeping a magneto as a spare but they are not the most reliable of things. 

With this system I will be able to have multiple sparks for each firing stroke but still retain the manual ignition timing control

the whole system will have cost less than a magneto ht coil rewind!

Tom 

[tom_c]

a short video of the engine running on two cylinders