[Vwdiesel] Seeking experience or data on Petter stationary diesels

[Gerry Wolfe]

Petter also made small marine diesel engines... often used in Contessa 26 (I
had a Vire gas engine in mine, but have seen quite a few Petter diesels).  I
have a friend with a Hinterholler 31 in Toronto that has a single-cylinder
Petter diesel, and he was recently able to get replacement parts via marine
diesel service establishments.  You may wanna look at this source as well.

rgds, g.

----- Original Message ----- 
From: "Area31 Research Facility" <stephensrw at stn.net>
To: <vwdiesel at vwfans.com>
Sent: Sunday, June 12, 2005 21:06
Subject: [Vwdiesel] Seeking experience or data on Petter stationary diesels


> After looking for a unit just like this for many years, just the other day
I
> found a single cylinder air cooled diesel genset made by Petbow in England
> (model VK4 79R), hidden in a friend's huge collection of scrapyard
> treasures.  I believe the engine is a British made vintage Petter but am
not
> having much luck finding info. It has a huge massive single flywheel.  It
> direct drives an 1800 RPM alternator that is 110 volts, 60 Hz and has
output
> fuse protection of 100 amps.  That would be about 11 kW and would require
> about 20 HP to drive.  I'm therefore guessing I have an engine in the 15+
HP
> range.  I really have no clue as to what year this plant could have been
> built but it may be as old as 1950's.  The entire plant was exposed to the
> elements for many years and is badly rusted.  Fortunately the engine was
> left to sit in the position that had both intake and exhaust valves
closed!
>
> The piston appears to be frozen as the crankshaft will not budge.  I'm
> letting it soak now with diesel fuel and ATF in the cylinder.  I'm going
to
> try to put up to 200 PSI compressd air into the cylinder tomorrow through
> the air inlet port.  That will provide in the neighborhood of up to 1000+
> lbs force pushing down directly on the piston.  If nothing else it will
> accelerate the penetration into the rings of the solvent.  I might have to
> soak this baby for months from what I'm reading on the subject of freeing
> seized pistons on old engine restoration sites.
>
> If anyone has experience with these and could help me with info I'd
> appreciate it.  I really want to rebuild the engine as necessay and use
this
> plant.  I can send photos by request.
>
> FYI, a Petter is a higher speed (~1500 RPM), low speed diesel and is the
> other famous stationary engine from England along with the well known
really
> slow speed Listers (650 RPM) which are quite similar.
>
> For topic qualification know that I drove my 1991 TD Jetta to and home
again
> on the trip where I found this vintage generator which is itself a diesel!
> ;)
>
> thanx,
> Rob
>
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