Engines > From Plans
Teeny Tiny Micro Model Diesel from Germany
Jasonb:
As it is so small I don't think scaling it up by 200% will be too much of a problem, you can always compare it with some other engine designs of the new capacity and make any adjustments needed. I'm assuming you mean scale the sizes by 200% not the capacity, if it is capacity then there is not much of a size change so just apply the scaling factor to all parts.
It would not be too costly to get the crankcase 3D metal printed which would save a lot of time cutting from solid.
Yes Jo's looks to be a different engine, her's has the mounting lugs carry around to front and also a web vertically at the front.
Jo:
--- Quote from: pirmin on January 21, 2025, 10:49:33 PM ---could your casting be for the 0,30cc Kratmo ( a very rare engine ) , because to me it looks it has some web cast on the frontside
--- End quote ---
It could be. My supplier did not know what it was for. He did not have any drawings with it and when I saw yours they are the right sort of dimensions.
Jo
Jasonb:
Looking a bit more I wonder if this one even used a casting, it is the type of crankcase that just needs the nose piece turning and then the shape of the crankcase can just be milled - top, tapered sides and curved bottom to leave the lugs. Similar style to the 1cc Weaver
I suppose it depends if they were also teaching them pattern making and casting or just machining.
Any clue on the drawing as to whether it mentions a casting or aluminium specification?
Weaver
pirmin:
yes jason, i also believe they just milled the crankcase,because in the Drawings is no Casting mentioned, and since those are realy good drawings i would assume it would have been mentioned if they worked from Castings. and yes there is a material mentioned , i have toi check the alloy.
btw, the weaver is a Goliath compared to this little fella :)
Jo:
Do you have anything on the 0,30cc Kratmo?
A photo would be a good start. :)
Jo
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