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Home Model Engine Machinist > Building Them > Engines From Castings > old tractor LANZ HP 4WD 1923 (scale 1/4)

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Old 02-03-2018, 08:14 AM   #11
ZAPJACK
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The cylinder is coming from GGG60 Iron-steel, nothing special to made it, just the transfer port are inside
LeZap


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Old 02-18-2018, 05:28 PM   #12
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The connecting rod is made from aluminium bar-stock.
LeZap


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Old 02-25-2018, 06:45 PM   #13
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P34 is the raw machined half crankshaft
P54 is the mounting jig. this is to have the same centering on both half crankshaft
P55 machining the crankshaft
P56 all the parts before assembling
P57 hot assembling by expansion
Regards
LeZap
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Old 03-10-2018, 08:23 PM   #14
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The motor blok is quite complicate for machining
Need to respect the orthogonality of the difference axles.
Many checks, measurement, zéro setting .....before machining
But I let you discover by the pictures
LeZap
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Old 03-25-2018, 05:39 PM   #15
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Some other picture of the engine bloc.
On a sinus-table is much more easy
LeZap
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Old 03-25-2018, 06:49 PM   #16
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Nice work! That's going to be a real nice model.

John
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Old 04-01-2018, 06:10 PM   #17
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First blank mounting of the crankcase
Machining of the cylinder-head on a centering jig
Piston made from cast from cast iron
LZ
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Old 04-08-2018, 06:12 PM   #18
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This is the oil pan & oil pump.
Not truth but simply factice
LeZap
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Old 04-25-2018, 09:35 AM   #19
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Now, one of the flywheel in cast iron
LZ


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