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Topics - dax021

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1
General Discussion / Glort gone awol
« on: December 04, 2020, 05:15:04 PM »
I see Glort has disappeared from the forum, I assume banned as all his post have also gone missing.  I would like to get hold of him, so if anyone might have his email address, would you please share, or PM me.  Thanks, Peter

2
Everything else / Brushcutter Sparkplug
« on: July 08, 2020, 09:08:04 AM »
My China brushcutter sparkplug failed the other day, so I replaced it with a NGK equivalent.  When I got home and compared the old and new, I found that the new one had a slightly shorter reach ( approx. 8mm).  Started first go and ran well, but after 15 minutes of use it got so hot that the cheap crap plug lead melted. 

Is it possible that it overheated because the plug is too short and detonation is occurring in that space that should be filled by plug shaft? (hope my description makes sense).  My gut says yes, the heat can't dissipate fast enough like it would if the electrode was protruding into the chamber, so the head is acting like a large heat sink.

Any thoughts, thanks.

3
Other Fuels / Paraffin as Fuel
« on: April 15, 2020, 11:34:57 AM »
What would it entail to convert my SR2 to run on parafffin (kerosine)?  At the moment illuminating paraffin (IP) is going for around $0.25US per litre because of the low oil price.  In South Africa we don't pay tax or fuel levies on paraffin, as a large sector of our population use it for cooking, lighting and heating. Taxes and levies equate to about 70% of our petrol and diesel price at the pump, so using IP could make a huge difference in running costs. 

I am guessing that an IP/2 stroke oil mix would be fine?  Any ideas what ratio, and would I have to play with timing, something I would try to avoid, as I don't know how?  Thoughts, both pro's and con's would be appreciated.

Thanks

6
General Discussion / Forum Time
« on: August 07, 2018, 12:59:54 PM »
Hi, the forum time is 2 hrs behind my local  time.  this causes a bit of confusion when trying to decide which posts I've read or not.  Is there a way to change the forum time on my computer so that posts reflect my local time?  Thanks in advance, Peter

7
Waste Vegetable Oil / WI
« on: June 07, 2018, 02:20:53 PM »
I have finally got a batch of WVO ready for consumption in my SR2, but am reluctant to try it without WI.  I still haven't got my head around how to install WI, but remember reading a post where someone modified an oil bath filter to feed water into the intake.  To me this would be the easiest solution, but am concerned about whether it will work and also whether the filter will still work as an air filter, not having the oil bath.  I know Ed and Glort will be able to advise.


Thanks,
Peter


8
General Discussion / Too Quiet
« on: August 31, 2017, 06:27:06 PM »
The forum has been super quiet lately.  Nothing happening out there?

9
Lister Based Generators / SR2 Revs low
« on: April 10, 2017, 08:01:37 PM »
Out of lurk mode for a while as I need some advice from you learned folks.  Firstly, thanks for a great forum, even tough I've hardly posted anything, I read the posts religiously most evenings.  I have picked up loads of theoretical knowledge, though sadly, pretty much no practical experience, mainly because my SR2 has been running faultlessly for 150 odd hours, and following the old saying that "if it aint broke, don't fix it"

About 2 weeks ago, I made the stupid mistake of starting up and forgetting to open the fuel valve.  She ran fine for about 1/2 hour then I noticed a rough sound and immediately realized my cock up.  The filter and feed line was devoid of fuel.  I shut down and bled the fuel right up to the banjo going into the block, but not further.  After startup she ran smoothly again, but it sounded like the revs were a bit on the low side.  I measured them at 1430 RPM, should be 1500 to suit my Hoffberg direct drive alternator.  After a while the revs seemed to have normalized and I thought all is well again.  Today I fired her up as I wanted to do some welding, but the inverter welder kept cutting out.  I checked the output and found it to be only 219VAC, should be 230 as far as I know.  Also the revs sound a bit slow again, which would explain the low voltage.  I haven't as yet checked the revs again, but will do in morning.

Any advice on what to do would be appreciated.  Like I said, I don't have much practical experience, so some step by step instructions will be great.  I would like to up the governor speed to 1500 RPM, but am not sure how much of a job this will be.

Thanks in advance.
Peter
 

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