4 Cylinder Stirling Engine

I have designed and built this engine with a view to installing it in a small river launch. The engine incorporates forward, neutral and reverse options all within the engine so no gearbox is required.

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[StirlingEngine123]

Nice engine! Congratulations! What configuration did you use on the linkages of the connecting rods to the driving shafts?I mean, wath is the timming on the pistons to run the shaft. the firing order is divided trough those four cylinders or some of them fire at the same time? I hope you understand my question.... I guess its a bit confuse. XD Keep the good work.

[Broomfieldify]

@StirlingEngine123 Thankyou for your interest. As you can see the two crankshafts are geared together and are therefore contra-rotating. There is a crank on each end of both crankshafts and these are set at 180° to one another. The two crankshafts are set at 90° to one another and this arrangement results in a power stroke every quarter of a revolution. This makes for a very smooth running engine which does not need large flywheels

[barumman]

A really nice looking piece of engineering and it sounds lovely, keep up the good work.

Thanks for sharing. :)

[Broomfieldify]

@barumman Thank you for your interest and compliments

[blackiceshadow]

with water pump?

[Broomfieldify]

@norseaknothead

Thanks for the compliment. The engine runs on propane gas and is heated by the 4 gas burners that are around the 4 displacer cylinders at the top of the engine

[norseaknothead]

@Broomfieldify and approtechie. I am in awe of the stuff you guys create. Thanks for sharing.

Broomfieldify, I apologize for my ignorance, but I don't understand where the heat that drives the engine is coming from.

[Freakawn]

Nice man! A true life accomplishment. 

[0030chris73]

this is great!

[RWINSOLO]

Wonderful linkage and mechanism, I like it . . .