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Messages - mikenash

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16
Waste Motor Oil / 3/4" needle valve
« on: June 13, 2021, 08:31:15 PM »
See pics?

I have been looking at needle valves and they're not cheap

But gravity-feed isn't demanding and so a cheap Chinese one might do the trick?

I attach a link - should be easy to google


https://www.trademe.co.nz/Browse/Listing.aspx?id=3128518899

Cheers

17
Original Lister Cs Engines / Re: 6/1
« on: June 13, 2021, 07:26:32 PM »
Nice find. I'm still looking for a good CS.

What are you wanting the groovy startomatic flywheels for? You driving stuff?

They're a bit heavier and should smooth out starting loads.  Yes, got a couple genset heads I'd like to drive one day

Whereabouts are you if you're looking for a CS?

Cheers

18
Original Lister Cs Engines / 6/1
« on: June 12, 2021, 03:40:06 AM »
Bought this fellow the other day and collected it this morning

Came from the estate of a chap who collected old engines and whose widow was clearing out the shed

Described as a "good runner" - might be true

Prices are funny . . .

I missed out on a not-particularly-good 3/1 a few months back that had sat in a shed and hadn't been run for 20 years - it went for $1500 to some insane person

This one I paid $600 for - which seems fair

If this is OK I should have two good runners, and two dismantled-but-probably-useable units and a bunch of spares

Apart from a set of grooved SOM wheels, I reckon I have all I need

19
Waste Motor Oil / Re: My new "Roger Sanders" style waste oil burner
« on: May 27, 2021, 08:31:46 PM »
Hi, yes, I am only playing with this because I have a few tonnes off free oil - and can see myself being too decrepit to cut a lot of firewood in a few years

Last year I played with a 30% diesel mix - perhaps less will work?  We'll see

I have just made a new top-plate for the stove with a removeable "element" that has fins hanging down into the hot airstream from burner to flue.  I see myself sitting with my feet up near the stove while a coffee pot simmers & bacon makes frying noises and appetising smells . . .

The shed where I have that burner is 400Ks from where I live - so I'm only there from time to time.  But I hope to have some more play-time with the burner this coming (southern hemisphere) winter

Goals are: refine the drip-feed (possibly a needle valve).  More heat from the top element.  Refine "clean" around the operation - no smoke, no drips, no spills

Regardless of all that detail stuff - there's a great deal of heat energy to be had from not very much fuel.  You can see the attraction

I guess we'll see.  Cheers

20
Waste Motor Oil / Re: My new "Roger Sanders" style waste oil burner
« on: May 09, 2021, 07:33:22 AM »
isn't it embarrassing when old people try to use technology :(

https://www.youtube.com/channel/UC-Vrb-j5YY2Vrt_3uR_VCpg

Try this one? Maybe?

21
Engines / Re: Museum Lister D problems
« on: May 09, 2021, 07:22:59 AM »
I'm not sure there is any cracking of the water to produce/burn hydrogen?  That might be nuclear?  I think we're just talking about a wee smidgen of steam in the combustion chamber to looses/softer the soot?  Cheers

22
Listeroid Engines / Re: Ran the beast today !
« on: May 09, 2021, 07:21:06 AM »
Looks good in that brown :)

23
Waste Motor Oil / Re: My new "Roger Sanders" style waste oil burner
« on: May 07, 2021, 02:56:51 AM »
Hey Cseyfert

If you've been looking at waste-oil burners on here - you may have looked at mine?  of course you may not have too

I've been playing with drip-feed - on the basis that I'm not building something you can fire up and head out and leave (and come back to find your shed burnt down) but rather something that you have to tend a little while you're in there doing something else (even if it's only drinking tea and warming your feet by the woodstove)

I've had pretty good results in a low-tech sort of way.  certainly lots of heat to be had . . .

I built about three prototypes out in the open air - to get my head around the process

Since then I have built three iterations of one to bolt onto (and be easily removeable from) my big woodstove.  Apart from anything else, I wondered if a MEAN, open-throttle, chimney-fire-generating burn of the woodstove with dry, hard wood, occasionally, might clean out the accumulated soot from the oil-burning

I have access to several tonnes of clean, new, gear oil with no combustion residues, antifreeze or other contaminants to speak of.  As a 66% oil/34% diesel mix it burns like wildfire in the woodstove

Because I have an off-grid shed, my objective is to not use pumps/injectors/blowers - and hopefully achieve a good result without them

I recently modified the top-plate of my stove with a bunch of fins that hang down into the flame path to try to harvest a bit more heat into the top-plate - hopefully I'll get some trial runs this winter coming

I just have a simple low-head oil feed with an inefficient valve (need a needle valve some time soon) and a small tank only a metre above the burner (if I have to top it up out of a larger container every half-hour or so, I will have no issues with changes in viscosity due to temperature - maybe)

Anyway - see link

https://studio.youtube.com/video/PS42bLGHqME/edit

I took it at night so you can see the red glow - that's a 5mm wall 125mm diameter steel bend glowing there

If you go to:

https://studio.youtube.com/channel/UC-Vrb-j5YY2Vrt_3uR_VCpg/videos/upload?filter=%5B%5D&sort=%7B%22columnType%22%3A%22date%22%2C%22sortOrder%22%3A%22DESCENDING%22%7D

there are a few more small vids showing some of the processes of learning-by-doing

Cheers


24
Things I want to Buy / Re: Cam gear CS 6
« on: May 06, 2021, 08:22:00 PM »
Hi Daryl

i hadn't realised you were in the Chathams - great spot

i was hoping you were on the mainland somewhere somewhere and could just come and dismantle the old case and help yourself.  I'm currently about 400 Ks away from where the motor is - but next time I'm there, I'll have a look

However do you know about the spares chap in Australia?

https://www.oldtimerengines.com.au/lister-engine-parts/lister-cs/valve-rocker-and-timing-gear/lister-cs-cam-shaft-assembly.html

See link?  Or google oldtimerengines

Really helpful chap.  Has mailed me all sorts of things

Cheers

25
Original Lister Cs Engines / Re: couple of old SOMs
« on: May 02, 2021, 07:48:01 AM »
Hi Dayle. Yes. For sure. Id just like the flywheels really so well see

I bid $300 a while back on a nice complete 3/1 hadnt been run for a few years (being sold by the widow of a collector of course) and it went for $1500. Jeez

I guess well see lol. Cheers

26
Things I want to Buy / Re: Cam gear CS 6
« on: May 02, 2021, 01:40:31 AM »
Hey Daryl whereabouts are you?

I have the entire bottom end of a 3/1 sitting in a paddock here.  I don't see why the cam gear would have any more than superficial rust on it.  I would imagine it's the same as a 5/6/1 - maybe worth looking at?

Get back to me if you like?

Cheers, Mike

27
Original Lister Cs Engines / couple of old SOMs
« on: May 02, 2021, 12:08:14 AM »
Check out the link

https://www.trademe.co.nz/a.aspx?id=3076626868&member_hash=a3a7566550fad4bdc4224f94f4401662016de7c29f5cc5555c&tm=email&et=46&mt=3CD2EA5F-6EC8-4299-AE88-E417DDE97A03

I have put in a bid and will chase these along.  I suspect they're worth having just for the couple of pairs of SOM flywheels . . .

I'd be interested in any observations, thanks

28
I started playing with an idea for my Lister 6-1 engine. I have some thick-wall aluminium tube of about exhaust size (no idea where it came from!), into which I cut an 10mm round groove using a form tool on the lathe. I wrapped some microbore copper pipe (the sort we use in the UK for central heating systems) into the groove. Filled it with water & fired up the engine. With a load on the engine, the water in the microbore pipe boiled in about 2-3 minutes IIRC. At the time, I didn't have any cladding over the pipe, so it was 50% exposed to air; nor did I have any thermal compound between the pipe and the aluminium tube to improve contact surface area; so I've no doubt the system could be hugely improved with very little extra effort.

I haven't gone any further with that experiment, but I've no doubt I could get a good supply of hot water from it; and it gets hot MUCH faster than the engine block. In fact, I'd be tempted to circulate the hot water through the block initially, until that gets up to temperature, before extracting the heat for personal use...

I'll take a couple of photos of the lash up later, if anyone's interested.


Ade, a lot of folks here don't have access to a lathe or machining skills

But, if you wanted water that was just "hot" in terms of, say, pre-heating a HWC or the like - then you're only playing with something like 55 degrees C.  And, if you kept the "cooling" water flowing so that there wasn't static water "sitting" and overheating - then the plumbing to heat water to that extent could be much much cruder - something that is the tech equivqalent of some i/2" copper pipe wound around some alloy tubing and slathered with high-temp silicone . . .

29
Listeroid Engines / Re: Low oil temperature
« on: December 16, 2020, 08:33:32 AM »
FWIW  I reckon don't worry about the oil temp.  The engine is designed to run like that.  If it bothers you - just change the oil more often.  Those old English engineers knew what they were doing and that these old girls are still going 80 years later bears that out.  Just my $0,02

30
General Discussion / Re: A Book Club, of sorts...
« on: December 13, 2020, 06:57:59 AM »
Hi Ade.  I can't imagine that many folks would think information on 80-year-old machinery is something that should have restricted circulation?

What do we have to lose by sharing?

Something searchable would have value, as  far as I can see

I don't know what I have to contribute?  But I have many years of old-fashioned sub-editing skills.  I can probably turn something badly-written or a terrible copy/paste job into deathless prose lol

I'll be interested to see what folks have to say

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