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Three Cylinder Radial Engine

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kellswaterri:
Hi Stew, your link to the drawings would not open for me...indeed I am having some problems at the moment using the site...could be ''Snow'' on the lines. :bang:
                                                                                                   John.

NickG:
Perfect for me Stew  :thumbup:

sbwhart:
Not so cold today so got the pistons finished.

Set up for drilling gudgiun hole. find edges and index to corect position, all three were drilled from the same setting



The inside of the piston requires milling out to give clearance for the con rod little end.

This is the set up, a length of 4mm rod was inserted in gudgion pin hole then squares this up to the vice,



At my first attemp I used a 3mm slot drill but broke it so went up the a 4.5 end mill that worked ok

And her they are done



And on the crank



I've just got three bits to make before I start assy and test, so I've attached the drawing that shows these last three bits

Have fun

Stew

NickG:
Looking spot on those ground pistons!  :bow:

Bernd:
Looking good Stew.

You won't be able to upload the file. Admin has removed the "download" section for now. It's not working properly. I believe he's working on it. Give it some time.

Bernd

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