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4hp Penguin for Sale (finally sorted ...

Old Marine Engine » One and Two Cylinder Gas Inboards » 4hp Penguin for Sale (finally sorted it out!) « Previous Next »

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wombat-200
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Posted on Tuesday, November 06, 2007 - 06:20 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Hi Again,

Well, a couple of people contacted me about the Penguin last time I mentioned this, but I didn't have any photos available, so couldn't pass on any more info.

Have been out of the marine business for over 3 years now & am getting rid of the last of my vintage inboard stuff.


Good condition, this engine was in good running condition when removed from the deck of a cray boat, where it had been used to run a winch. I pulled it down mostly to check it over & paint it. Finnished most of the painting, but never re-assembled it. It's all there, incuding all the components for the integral clutch. I've got a fair idea of what it's worth, happy to take offers.


Anyway, today I pulled all the bits off the shelf, took some photos, then loosely bolted the engine back together, mostly without gaskets, so people could see it was all there. This engine is now for sale, and I apologise to those who showed interest before.

Those of you who know about these know how good they are - the removeable water jacket, and the seperate bearing caps make the engine a joy to maintain. They are far better built than an equivalent Chapman/Blaxland, with high-quality attention to detail.

Generally, this engine is in very good condition overall.

The good stuff:

All the brass has been wire-brushed back & cleaned & is in good condition. The carb is an ?Austral, copy of a schleber, and is in exceptional condition.

The compression seems to be very good - I did have the engine running when I bought it, and the piston & rings were well oiled while in storage, as was the cylinder bore.

The muffler is unique - it's a heat exchanger & I've never seen another like it. The water flows from the water jacket, to the muffler, and passes through the other side (muffler is not wet), then onto the exhaust pipe, where it entres to form the wet exhaust. The benefit is the muffler gets cooled without getting wet, and does not rust out - certainly the muffler is in excellent condition.

The bad stuff (all minor):

The water port where the pump flange bolts to the water jacket needs work - one thread is damaged & needs tapping out, the other has a piec cracked off & needs welding up & re-drilling/tapping. Not a big job.

One lid for one greas cap is missing - it ia an 'STG K27' made in Sydney & I imagine is a universal part. I have a few leads for you to chase one up if you don't have one.

The eccentric cam lobe on the crank that drives the water pump is a bit rust-pitted, and ideally needs either building up with weld & re-turned, or turned down & a sleeve shrunk on - either is not too difficult. Tt could be run as is, but would possibly vibrate a little more.

All that nice new paint is a bit worse for wear & needs re-painting.

Please email me for more, if I don't get any interest it will go on ebay in a few days time. I will be listing the miscellaneous Chapman & other bits on Ebay today.

Thanks,

Rob.
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Wombat 200
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Posted on Tuesday, November 06, 2007 - 11:46 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Hmmm, just relaised my email address isn't displayed...... Wombat200@hotmail.com.

Thanks!

Rob.
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Grant Willis
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Posted on Saturday, November 24, 2007 - 06:02 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Hi Rob, I'm in Whangarei NZ and have an Underwood single cylinder petrol engine, I guess 2 to 3 hp made in Melbourne Australia. I've had it for nearly 10 years and run it on the bench periodically but am finally going to build a boat for it. I'm wondering if anyone has heard of these and knows of any info on them?

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