Archive for the ‘Industrial Engines’ category

Spring with holes

November 17, 2013

This spring is used to hold a small piece of felt to oil a distributor block. It attaches inside. We used a suitable spring material in the same thickness as the sample that was provided to us. Order quantity for this was 300 pieces.

finished spring

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Bamford model Z4 Diesel engine

December 1, 2010

Bamford was a British manufacture of small industrial and farm engines, among other things, dating back to the 1870s. I am not sure if they are still around, but believe they may be but trading under a different name.

A customer who has used our services before sent a scan of a head gasket for one of Bamford’s model Z4 diesel engines from the 1930s. He liked our price and decided to order four of them. Because the head gasket was too large to fit entirely within a scanner frame the customer split it in two, and with the aid of some supplementary dimensions we were able to reconstruct that and create a pattern. Upon receiving the gaskets this is what the customer had to say:

The gasket looks great as I expected it would.
Pleasure to again be able to do business with you.

I will paste an image of the scan used to make a pattern, followed by an image of one of the gaskets we made, and a picture of a Z4 engine:

Gasket Scan

Reproduction, with steel fire ring and copper bushed water passages

Bamford Model Z4

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Cast Aluminum Alloy Cooling Rotors

November 28, 2010

A customer sent us an aluminum alloy rotor used on a small engine manufactured some years ago. He wanted us to duplicate the rotor, but make one change. As shown in the second image below, there was one rotor fin that was too close to a bolt hole, so he wanted us to move that fin about 2mm to the right. Apparently that tight location made installation a bit of a headache. We moved the rotor as you can see in the first image. We had a batch of 100 of these cast and machined. Here is what this customer said upon receiving two samples for evaluation:

…just received 2 fan rings, PERFECT

First image above: New fin location  Second image: Previous fin location

Old and new side by side

100 new rotors

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Moteurs Bernard

November 28, 2010

Here is an image of an old industrial engine made by Moteurs Bernard in France in the 1930s. The image was sent by the customer after we completed a gasket order for him. Below the first image is another image showing the ‘art deco’ radiator assembly:

The customer lives in Germany and has one or more of these interesting French engines from the 1930s that he is restoring. I will let him tell the story:

I bought this engine from a french guy who had an auction running on ebay for some other things. He saved it from scrap. It came together with a second engine of that type and both were partially seized and not running. I had to do quite a bit of work, but I got them both running again. The manufacturer is “Moteurs Bernard” and the type W2. This company still exists and produces modern small engines. The engines of this type were made in several sizes and were quite common in France and other countries in Europe during the 1930s. They were also made in a second factory called “C.L. Conord” ( this type as F2) which was overtaken by Bernard and even under license in Germany. At that time the design was quite sophisticated but after the war the more smaller high revving engines came into fashion. As far as I know production of these engines was stopped 1950. Now the special design of the “art deco” style makes them interesting for some enthusiasts.

Below you will find an image of the ‘art deco’ radiator:

To make the gaskets the customer sent a scan with dimensions drawn in. The graph paper backing allows us to check all the dimensions. We used this scan to produce the gaskets shown immediately below this image. Incidentally, if you are thinking of having us make some gaskets for you or want to obtain a quotation, you can find more info on making scans at www.gasketstogo.com/scans.htm.

These were copper sandwich style construction just like the originals, using a non-asbestos filler material supplied by Interface Solutions (USA) since the EU does not allow that.

Listeroid Gaskets

February 28, 2010

Earlier this month I wrote about Lister and Listeroid gaskets. Lister is an old English firm that manufactured a line of diesel engines that are popular around the world to this day, so popular that they continue to be manufactured in India by many different firms. These Indian copies are referred to as ‘Listeroids’ by the Lister engine communityto differentiate them from the genuine Lister engines.  Many are identical or almost identical to the originals, but the cylinder head pattern is one important area of difference. Lister OEM pattern head gaskets will fit many Listeroids, but there will be redundant bolt holes and the water passages do not match up 100%.

From what I have been able to gather, the Indian manufacturers have a habit of leaving swarf in the castings and the engines must be cleaned up and rebuilt in order for them to last. They also come with very poor quality gaskets, which is why many Lister owners came to us for help. At our Lister gasket web site http://www.listergasketstogo.com we supply a head gasket for Lister and Listeroids that has been very well received by Lister owners, and we will be soon adding Listeroid patterns to our list of gaskets on the site. I will post a picture of one of these below along with the Lister pattern so you can see the difference. As always, we can customize both patterns with different bore sizes.

Listeroid 10/1 Head Gasket

Our Lister CS Series pattern available at www.listergaskets.com

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Stover DV2

February 28, 2010

Stover was one of the larger American industrial engine manufacturers. If my research is correct they were in business from 1895 to 1942. Shutting down in 1942 seems  curious, what with war-time production at capacity. I wonder why Stover wasn’t busy with government contracts to make engines or any other needed material? Perhaps a reader can enlighten us as to why that was the case?

The customer sent a scan for this gasket, and asked for copper sandwich construction. The backing grid indicated that it was not printing out at 1:1, so I foolishly adjusted it so that it would print out correctly. What I didn’t know was that the customer (without realizing it) had scanned it at less than full size, so the result was that I sent him a pile of gaskets that were the wrong size! We sorted that out, but just to be safe the customer sent the old gasket to us and we redid the batch.  I have since revised the scanning instructions at www.gasketstogo.com/scans.htm to make things clearer.

Stover DV2

Finished gaskets along with used pattern gasket

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