Lister Engine Forum
How to / DIY => Engines => Topic started by: doandevil on February 18, 2011, 09:04:25 AM
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Dear all
i own a lister CS 6/1 bought from india and currently got some problems with my engine. I coupled my engine with a generator and used bulbs to load my engine for some experiments using PPO. When i run the engine at 3.5 Kw nothing happen but when i add 1/kw more the engine became overload and automatically shut down. I tried to adjust the governor again but it's not working. Does anyone here knew about this problem before ? Please help me. Thanks a lot =((http://)
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3.5KW is 4.7HP, so bearing in mind alternator efficiency you cannot expect to get much more, certainly not 4.5KW. The SOM sets with the CS6/1 were rated at 2.5KW.
Ian
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Yep......3.5KW is considered a good running 6/1 ;D
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Yeah.... and my 1987 Yugo will only do 157 MPH, what am I doing wrong? ;D ;D ;D
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Remember, the Yugo was not rated for more than 150 in second gear....shift to third and you should be OK ;D
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Remember, the Yugo was not rated for more than 150 in second gear....shift to third and you should be OK ;D
good thing they came with Z rated tires
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Yep.... 3.5 kw from a Listeroid 6/1 is about all you are going to get.
Most people set up their 6/1 systems to provide 3KW.
At 3.5 kw you should start getting some black smoke and a lot of ground thumping :)
veggie
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yup.....at 3.5kw my engine becomes holy smoky......black smoke and then.....slowly shut down. It look like i have no choice but to accept this ;D, thanks guys.
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Sounds to me like your unit is operating fairly closely within specs... you might do some fine tuning though and get a little more power output. Take a very close look at your actual compression ratio and piston bump height, make certain your valves are sealing fully and rings in good condition, check injector spray pattern and atomization and then the injection timing! Very small changes in the timing can make a big difference in the engine performance. I have seen many identical engines, especially in generator pairs, perform quite differently from one another and it is the very small adjustments that can make the difference!
dieselgman
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Yeah.... and my 1987 Yugo will only do 157 MPH, what am I doing wrong? ;D ;D ;D
Release the ignition key, the starter is being driven as a generator, and sucking HP
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Release the ignition key
I tried that - the damn thing skipped across the border, swum the Adriatic and made good its escape into Italy!
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Bear in mind that altitude will also play a large part in power output. The derating factor is approx 8% for every thousand feet above 600 feet above sea level.
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Quote from AdeV;
"I tried that - the damn thing skipped across the border, swum the Adriatic and made good its escape into Italy!"
That's not an ignition key problem, it's a timing problem. Retard the timing 3 degrees and you'll be able to keep up with it.....on foot ;D
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today i checked injection timing of my engine and it was 14 CA BTDC.........if i advance i think it will result in serious knocking.......currently my engine run not so smooth and some time knock..........what happened ????
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today i checked injection timing of my engine and it was 14 CA BTDC.........if i advance i think it will result in serious knocking.......currently my engine run not so smooth and some time knock..........what happened ????
According to the manual, injection should be at around 20 degrees BTDC. The same manual suggests that knocking could be:
a) A sticking exhaust valve being struck by the piston (clean valve stems & guides)
b) A slack bearing (it doesn't suggest which one)
c) Insufficient clearance between piston & head (check bump clearance)
d) Injection too early (doesn't sound like it, in your case)
e) Flywheel loose on shaft... I think you'd know about that one, but worth checking.
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In addition to AdeV's list I would add poor spray and leaking injector. That can cause knocking and roughness. Check spray pattern. I would say it be a must to check connecting rod big end bearing clearance; sometimes they do not start out right from the assembler. There are a few people here on the forum that have had these bearings go out or come loose. I dont know how many hours on your engine but if the timing is only 14 deg. advance it is a fair bit less than standard and I would want to check the condition of the injector pump tappet roller to make sure that wear there is not the cause of the timing delay.
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Spill timing 14 degrees BTDC is a little retarded. 19-20 BTDC is the norm, but it also can be a little tricky to measure. 19 degrees of spill timing actually equates to an injector firing around 1 degree BTDC, so if your 14 degrees is accurate, your injector is firing well after TDC... With timing that retarded, it shouldn't be knocking. I would first look at mechanical interferences as suggested. To add to the list, check your GIB keys. A loose flywheel can sound like knock as the crankshaft decelerates under compression and accelerates under combustion...
The 6/1 is rated at around I believe 4.4KW. That rating can be misleading. That is 4.4KW of mechanical energy at the engne. With drive and generator losses this equates to around 3.5KW of electrical load on the driven genset, which you discovered is about the max your engine can sustain...
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(http://imageupload.org/dm-13129888199912.png) (http://imageupload.org/pm-13129888199912.html)
(http://imageupload.org/dm-8129888200010.png) (http://imageupload.org/pm-8129888200010.html)
(http://imageupload.org/dm-9129888200010.png) (http://imageupload.org/pm-9129888200010.html)
these are the picture of my engine.........i used a dial gauge to identify the TDC and i believe there no mistake with that point. I marked on both the engine block and flywheel for timing later. Today i checked again and still hear the "knocking" noise, i was confused i don't really know where did it come from ???? ??? ??? ???
I heard the sound from somewhere in cylinder head, not in the flywheel, i am sure about this.
i opened the injector and check...there was no leak. The GIB key is alrite, still very tight. today i used a clamp meter to measure the amper in the load bank and badluck it was just 3Kw now.
I am just a newbie with Lister so there are many i still don't know. Please forgive if i ask too many question.