Assistance needed: Stirling model accessory- how heavy can it be?

[Cocktail]

Hello, folks. First post here. I have an idea for a homemade accessory for a stirling engine model, but it is on the heavy side. I'm not sure a model would have enough power to rotate the accessory.

I have no technical expertise, but am told that the way to determine how much power an engine has is through its torque rating. While I see maximum RPMs for stirling models on line, I have seen no torque ratings.

I'm hoping someone who has worked with accessories of various load levels can advise me.

Thanks much!

[Ian S C]

Hi Cocktail, what is it you want to drive? My engines drive a number of things, generators/alternators, a water pump, a power hacksaw, and fans.
Once you have your motor, you can build a Prony Brake, and test the torque of your motor, and if you also use a tacho, you can check the revs.
Ian S C
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[Cocktail]

Thanks for your reply. My project is to have a stirling engine model power a cocktail shaker. I've concluded that the weight of a shaker + liquid and ice would be too heavy for a tabletop stirling model to power it. My revised idea is to have it power an old fashioned hand crank butter churner, which I think would be doable. I'll repost with this revised idea.