[Gasification] Lister on Gasoline, ingition control device?
Mark E. Ludlow
mark at ludlow.com
Sun Oct 14 00:26:49 CDT 2012
At 57deg BTDC, what is the manifold pressure? This seems reasonable but how
would some mild supercharge affect this timing?
Great topic!
Mark
From: Gasification [mailto:gasification-bounces at lists.bioenergylists.org] On
Behalf Of Pete & Sheri
Sent: Saturday, October 13, 2012 8:50 PM
To: 'Discussion of biomass pyrolysis and gasification'
Subject: [Gasification] Lister on Gasoline, ingition control device?
Hello, Ken.
Did you ever publish the circuit for your ignition control device? I seem
to remember seeing a video that showed it in action. Looked like maybe
there was an Arduino in there somewhere.
Pete Stanaitis
----------------
From: Gasification [mailto:gasification-bounces at lists.bioenergylists.org] On
Behalf Of Ken Boak
Sent: Saturday, October 13, 2012 12:28 PM
To: Discussion of biomass pyrolysis and gasification
Subject: Re: [Gasification] Regarding Combustion Quality of Producer gas
Alex,
We* found that the Lister had to be significantly advanced when running on
woodgas in spark ignition mode.
It was anticipated that we might have to be 20 degrees BTDC, but when the
engine was finally running well, it was found to be around 57 degrees BTDC.
The Lister has a 24" diameter flywheel, thus a 75.4" circumference. Our
optimum ignition point was found to be 12" on the rim ahead of the TDC
position.
The Lister rpm was limited to 600rpm because of an undesirable resonance
around 610rpm - a quirk of the specific engine we were using at APL.
Normally the 6hp Lister should rev to 650rpm without vibration.
Marcus Hardwick and I wrote up most of the technical detail here
http://wiki.gekgasifier.com/w/page/30448258/Spark%20conversion%20for%20Liste
r%20slow%20speed%20diesel%20engines
We* - the Lister team at the April APL workshop consisted of Ron Ohler, Andy
Schofield, Marcus Hardwick, myself and contributions from other workshop
delegates.
regards
Ken
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