radial engine basic (master rod and slave rods layout)

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 This is a reciprocating engine working on the four strock cycle in two crankshaft  complete turns and in a radial arrengement ;

There is one master connecting rod to wich is atached an even number of slave connecting rod , the master connecting rod is linked to the crankshaft via the master pin . This arengement is very easy to cool by air and is very short but not aerodynamic efficient

                                                   movie  1.328  MB warning this is a big file !

it show the cinematic of the valves ; pistons  ;connecting rods ; and  crankshaft during one complete cycle

ps the tooted gears may seem to spin backward !   this is due to the computer display refresh rate being somewhat a multiple of the number of tooth that passed at a given place during the time between 2 frames (stroboscopic effect)

photo

This is a picture of a  working radial french hoby model engine

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