I found this un-machined 36hp case half while perusing the Grundmann collection in Germany this year. How something like this has survived from back then is amazing.
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Welcome to 2019. Just before the new year began I found another SPG roller crank, this time it's an 82mm pinned unit with minor wear ... -
With the 40hp Okrasa heads back from having been wet blasted, new guides fitted and the original seats re-cut, plus of course being machine... -
Thought I would share some of the images I have found on various public forums' that I have been referencing for my engine build. S...