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London Hit & Miss Engine Project


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  #1  
Old 01-03-2016, 08:07:48 PM
Miles1 Miles1 is offline
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Default London Hit & Miss Engine Project

This is my first Engine project.

It is a London hit & Miss that came from my Grandfather's Farm.
not sure on the HP or the year of the engine.
this was gong to be my Dad and my project but he past away a year ago.

It is my New Years Resolution to restore the Engine.

Some of the pics of the first day I started to work on the engine are on the meet and greet thread.

Today I have disassembled and cleaned parts up, Lap the valves and start gasket making.
I have an issue with the Piston not move in the cylinder head.
One issue with that was a chipmunk had made a nest in the head.
I have spent 1/2 an hour cleaning the crap out and have a pic of the stuff.
Now I'm putting more penetrating oil in the cylinder hoping it will help.

If anyone has another way of getting the piston freed up I would appreciated it.

Here are the pics from today's work done.

Hope you enjoy.
MIles
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  #2  
Old 01-04-2016, 12:07:33 AM
WesPete66 WesPete66 is offline
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Default Re: London Hit & Miss Engine Project

Miles,
That will be a nice looking engine when you're done.
Have you searched the forums here on smokstak? I think you'll find posts about other London engines that are around.
Just a thought, but can you handle that piston like a Maytag cylinder? by pumping grease (pressure) against the piston?
Best of luck!
Wes
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  #3  
Old 01-04-2016, 11:28:25 AM
jamesk815 jamesk815 is offline
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Smile Re: London Hit & Miss Engine Project

Westpete66
Just take your time and go at it slow, it well come out. I would use the grease gun method as a last resort. A grease gun puts out a lot of pressure;
and if the piston doesn't move you can brake something else, and cause even more troubles. Just my two cents worth, based on years of playing with
these old engines.
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  #4  
Old 01-04-2016, 07:42:35 PM
Miles1 Miles1 is offline
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Default Re: London Hit & Miss Engine Project

Today I got the piston moving a little then went to the grease to push it out the rest of the way. No damage and it came out smooth
the Piston has some pitting on top and the compression ring was stuck in the groove of the piston (corrosion) the other 2 rings spun free. Piston looks good but I need to replace the top compression ring for sure if not all of them.
Have all my gaskets made now but need to get 2 copper rings for the intake and exhaust valves. I will need a muffler, all I have left of the old one it the pipe. The fuel pump works well after cleaning and the carb is back together.
the only thing that worries me is the pitting in the cylinder wall. I have some pic to show of it. Not sure where to go from here on that ( Any Thoughts).
As for some of the parts like the piston rings, Valve Gaskets, and the muffler any particular place to acquire these items?

Have A good One
Miles
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Old 01-04-2016, 09:09:53 PM
Amax Amax is offline
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Default Re: London Hit & Miss Engine Project

Personally, I would not worry about the cylinder pitting. It might smoke a little but that's about it. You could lightly hone the cylinder but don't try to remove the pits as you will remove too much material.
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Old 01-05-2016, 07:41:46 AM
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Elden DuRand Elden DuRand is offline
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Default Re: London Hit & Miss Engine Project

Miles:

I think I'd just give the rusty part a good wire brushing and honing to remove the loose rust and take off the high spots, put it back together and see how it does.

You might be surprised!
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Take care - Elden
http://www.eldensengines.com
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Old 01-05-2016, 09:26:03 AM
Geist Geist is offline
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Default Re: London Hit & Miss Engine Project

Miles
when I was at the Coolspring, Pa show a old man told me that pits in the cylinder will not hurt you but grooves will kill you
that makes sense, so I would put it back together, as it was said in another post you may be surprised of the outcome

let us know how it works out,

Randy
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Old 01-06-2016, 08:07:54 PM
Miles1 Miles1 is offline
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Default Re: London Hit & Miss Engine Project

Thank you for your input it is appreciated.
I only have one issue a broken piston ring, so I'm down to 2 rings plus I still need copper washers for the valves to seat them in the head.
Just need to make an intake tube from the gas reservoir to the pump and wire her up.
So Close to the prize.
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Old 01-09-2016, 04:52:51 PM
stevengine stevengine is offline
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Thumbs up Re: London Hit & Miss Engine Project

Hi there:
Certainly nice to see another London engine. They are very rare here in the UK & I have one of the few that are known about.
I wrote an article for the "Stationary Engine Magazine" back in October 2013 regarding their history & showing both my engine & also my 1924 Lister A type, its certainly easy to see where Arthur Freeman-Saunders got his Idea's from
If you go to Youtube & type "London Engine At Astle Park 2015" it will show footage of mine running at last years event.

Regards:

Steve
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Old 01-09-2016, 11:43:42 PM
Miles1 Miles1 is offline
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Default Re: London Hit & Miss Engine Project

I got it started today and to my surprise, it started and ran better than expected. thought I would have more problems and issues. Guess I got lucky.
Here is a short Video of it running.

http://vid154.photobucket.com/albums...109_125654.mp4
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Old 01-10-2016, 06:46:05 PM
stevengine stevengine is offline
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Default Re: London Hit & Miss Engine Project

Hi there Miles:
Nice to see that you've managed to get your engine running again. My own gave me quite a lot of trouble to start with, but once I'd got it set up right it ran fairly well.
That event that you can see it running at was a fairly wet weekend & I eventually got some water in my magneto which eventually stopped it running after two days.

Steve.
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Old 01-10-2016, 07:43:12 PM
beezerbill beezerbill is offline
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Default Re: London Hit & Miss Engine Project

That engine looks for all the world like a Novo S series. Not just kind of like, but exactly like. My guess is that they are the same engine, just one manufactured under license by the other. A quick measure of the bore and stroke will tell if it is the same as any of the Novo S engines. If it is, then try Hit and Miss for parts - they advertise on the 'Stack here. I am in the process of restoring a thoroughly hammered 5S right now - looks like yours is in MUCH better shape!
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Old 01-10-2016, 08:12:47 PM
B.Morrison B.Morrison is offline
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Default Re: London Hit & Miss Engine Project

I use acetone and transmission fluid 50/50 .and let it soak. Heat (not open flame) is useful. Good luck....nice job on the disassembly and clean up so far...Brian
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Old 01-10-2016, 09:20:34 PM
Miles1 Miles1 is offline
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Default Re: London Hit & Miss Engine Project

Watched your youtube video and was very impressed with your engine and your display.
very nice restoration job.
More work to do on my engine but happy it started and very surprised with only a few cranks.
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Old 01-10-2016, 10:34:02 PM
Miles1 Miles1 is offline
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Default Re: London Hit & Miss Engine Project

Here is something a little strange with my crank case cover lettering compared with a few others pictures off the net. my lettering is different. That is strange.
Anyone know why?
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Old 01-19-2016, 08:37:33 AM
David A. David A. is offline
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Default Re: London Hit & Miss Engine Project

mine looks like the middle pic, I have wondered the same thing, maybe has something to do with manufacturing date? Your engine looks good, mine has little to no paint so I will probably paint mine. good job
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