George Lendich wrote:

Paul,
I ready to lay up the new bellhousing, what thickness do you want the top arc flange and bottom (Schertz beam) flange, 10, 12 or
15mm - don't tell me 4mm !
George (down under)

Leave off the bottom Schertz beam and make everything else as thin as possible.
Just beef up the areas where the bolts go to 13 mm.

The reason is a cast in Schertz beam would not be efficient. It would wind up
being too heavy. An efficient Schertz beam should look like an I beam.
Not easy to do with a simple casting lacking core boxes.

You may need a few thin internal ribs or gusset here and there around inside 
the rectangular lower section. When you get the pattern done take some photos not only
from dead  on or directly from behind but hold the pattern at an angle
so I can get a perspective view.

Here is how I suggest you handle the two lower right bolt holes.
This rendering has Tracy's redrive installed.

>From the sounds of it you are getting to be a pretty good pattern maker.

If your foundry does good work I might come down there and get
some quotes on some of my stuff. You are in Briz-bin right?
 
Paul Lamar
 
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