Lister Engines > Lister Based Generators
Gen head hold down
Stan:
On the following site http://www.powercubes.com/listers_3.html is a picture of the SOM base. On the base are two "tracks" (for want of a better word) that the gen head is bolted to I presume. How heavy are these tracks? I have something similar in the shed that were originally meant to be barn door overhead tracks. They are made of heavy sheet metal and appear to be quite flimsy. I was loath to use them on my little 2.5kw gen head but looking at this picture, maybe I should.
This question is to anyone with access to an SOM. How thick is the metal that these two tracks are made of (guage/thickness in inches or mm). (I know, I know, a preposition is a bad word to end a sentence with)
Stan
binnie:
It would be nice to find some examples of the original lister Iron bases for both the singles & the Twins to mount our listeroids on. I wonder if they are still around. I have seen examples only in the original manuals and a few on ebay UK offerings...Might be something to consider with Ken's shipment in the early fall. I am looking over there. Some amazing stuff.
Stan:
This particular piece of engineering would be dead easy to replicate if I could tell the thickness of the steel "rails" that are on that original SOM foundation. I imagine from the rest of the site that the SOM gen head is NOT a light piece of machinery and yet it only develops 2.x kw, I assume because in the 50's that was plenty to power a whole household (maybe 2). Mine is 2.5 kw and only weighs 50 or 60 lbs so would be easy to hold down.
Stan
GuyFawkes:
--- Quote from: Stan on March 20, 2006, 03:44:32 AM ---
This question is to anyone with access to an SOM. How thick is the metal that these two tracks are made of (guage/thickness in inches or mm). (I know, I know, a preposition is a bad word to end a sentence with)
Stan
--- End quote ---
my start-o-matic has a pukka cast base, so I can't answer that question
Mr Lister:
Guys,
The cast iron T-slot tracks were used in the later Startomatics that used the 46 " x 24" fabricated steel base - from about 1950 onwards.
The cast iron runners are 18" long and 3" wide at the base with a slight trapezoidal draught angle required by casting. They are about 1.75" deep
The T-slots are 1" deep and will accept 1" diameter heads, and 5/8" dia (maybe 9/16) bolt shanks.
When fitted to the base, the centre distance between tracks is 9.25".
I have taken a couple of photos that I will put on:
http://groups.yahoo.com/group/Lister_CSOG/
Ken
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