the old 10 hp kerosene motor has had heavy duty, needs nearly always full open throttle with the hard ground
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the beast on work…it is a pitty i cannot load videos, but think on the sound of a hot bulb single cylinder tractor…good we have no neighbours close here…
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same motorcultivator is actually for sale near venice for 200 eurobucks, someone interested from the gardeners…?
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I haven’t seen that before on your pictures, or didn’t notice. But I see now that you made a manual reversible plough so you can plow in both directions, or perhaps it is a bought attachment. Clever though.
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the plough is factory made, but i must restore it completely, was decades outside stored…the modyfied diesel is very strong, the ground actually very hard and dry like concrete, so the plow breaks, the chargas combined with modyfied diesel was obviously stronger, …more or less works on idle…
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Hi Giorgio, you probably already thought of this but here it goes anyway, perhaps it helps someone in the future 
It looks like the broken pieces is cast iron, if it was me remaking the pieces out of regular steel or iron I would plan in a sheer bolt somewhere in the construction to be allowed to break and easily replaced (probably have a few at hand while ploughing) so nothing else breaks or bends that is not easily fixed as the soil indeed looks very dry and hard.
It can be done in a couple different ways as I see it, either as a fulcrum or a drilled through axle and sleeve. The fulcrum is probably the easiest and most versatile for this.
Good to start out too small and drill out a hole bigger for thicker sheer bolts if it breaks too easily
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johan,thanks for tips, the broken piece is not cast iron, some normal steel, but i think the piece was weakened by bending round in the factory production…maybee they have bended with coal fire where the sulphur was not good burnt away and the iron absorbs a quantity and got a bit brittle…the pieces are 13 mm thick and 35 mm high, so i think it was weakened, because normally the piece where the bolt for hight regulation - small screw- would break besides the hole, because there the material is weaker as the broken part…yesterday we welded all again together , all a bit stronger because weldings are always weaker as uninterrupted material…today we plowed again, 4 hours, 1 hopper filling, and all keeps up.well till now…the ground is reallydry and hard , kind of crete senese, or pottery clay…in the middle of the field the earth is lighter fortunately. on the field, half hectar, are to note 6 or 7 different kinds of ground…besides a lot of stones everywhere…
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I thought it looked like a grainy structure on the broken piece but it doesn’t make sense to have a cast iron piece in that position. Just wanted to say that perhaps make it springloaded instead of a sheer bolt, just as on tractor plows.
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http://herve.cochard.free.fr/tracteurs/946_Instructions.pdf
references for ignition setting with diesel fuel…actually the breakers of the magneto opens about 1,5 cm earlier as the left point
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Giorgio,
Is that blackwater now fertilizer / “Biochar” water for the garden?
Great work and I love the photos! 
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