The web page says that "you can hear the shop air compressor running..."
It also says "It makes about . 5 horsepower" so I'm not sure if that's a
misplaced "."
It seems unlikely that there is enough energy from the sun in that
pi*r^2 area to produce 5 HP.
--
Martin K

David P Harris wrote:
> Peter P. wrote:
>
>   
>> I wonder what makes that noise. It is too fast for a Stirling imho.
>>
>>  http://www.youtube.com/watch?v=-v5Tz0pd9dQ
>>
>> Peter
>>
>>  
>>
>>     
> Further down the page:
> "I didn't see a generator in the video, all I saw was the hose venting 
> live steam out. I know you can use a turbocharger to build a gas turbine 
> engine, might try spinning a turbo with steam as well.
> *...
> *
> The motor is in the boiler. This unit is making about 5 horsepower and 
> about 3000 BTU of heat.
> www.acrosolarlasers.com"
>
> http://www.acrosolarlasers.com/acrosteamengine.html
>
> David
>
>
>
>
>   

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