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kvom
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kvom reacted to Foketry's post in the thread 18 Cylinders Isotta Fraschini (straight six-cylinder x3 ) with
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Electronic ignition test with oscilloscope I asked my friend who builds the ignitions to check how many sparks per minute his ignition... -
A 3/4" disk of 4-1/2" diameter Stressproof arrived from Speedy Metals in time to start work on the flywheel/ring gear. Its sawed ends...
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The bell housing was designed around models of the already completed block and 775 motor adapter. The hope is that the adapter will...
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kvom reacted to Foketry's post in the thread 18 Cylinders Isotta Fraschini (straight six-cylinder x3 ) with Like.
The 3-level distributor cap, each level for 6 cylinders I copied from an old Ferrari 12-cylinder distributor, 2 levels, each for 6...
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A few small parts later, and I had a functional water pump. The impeller was machined from Delrin and pressed onto a 3/16" shaft. Its...
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Few More Photos ....
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kvom reacted to Nerd1000's post in the thread 18 Cylinders Isotta Fraschini (straight six-cylinder x3 ) with Like.
What actually wears out cams and followers in full sized engines is usually fatigue stress at the surface, leading to 'spalling' of...
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kvom reacted to Foketry's post in the thread 18 Cylinders Isotta Fraschini (straight six-cylinder x3 ) with Like.
The heads assembled with rocker arms, camshaft , camshaft supports and 1:1 ratio gears rocker arms left and right
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There was also an after-market Cobra oil pan available for some of these engines, but in my opinion it was a little gaudy, and so I...
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kvom reacted to Foketry's post in the thread 18 Cylinders Isotta Fraschini (straight six-cylinder x3 ) with Like.
Valve lapping and control with vacuum pump, 36 valves, real boring work. A first rough lapping was done with valves and cages not yet...
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The valve covers were up next. The stock engine's stamped steel covers were functional but lack panache. Since museum accuracy isn't my...
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kvom reacted to Foketry's post in the thread 18 Cylinders Isotta Fraschini (straight six-cylinder x3 ) with Like.
Heads, valve cages and valves are assembled , after the assembly I made the inlet and outlet holes, both with housing for orings
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My original plan to support the workpiece during the manifold's topside machining was to attach it to a fixture plate using the twelve...
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kvom reacted to Richard Hed's post in the thread Muncaster Joy Valve Steam Engine 1/2 scale with Like.
What a Joy!
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kvom reacted to Foketry's post in the thread 18 Cylinders Isotta Fraschini (straight six-cylinder x3 ) with Like.
Valve turning and valve cages
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