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Touring Motor Gliders Association (TMGA)
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Nick Scholtes

Why two static pressure souces?

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Nick Scholtes


I just purchased a Grob G109A.  I noticed on the panel that it has a switch that allows you to choose between a static source for motoring and one for gliding. 

Can someone explain to me the particulars of this system?  Why is it necessary?  What is it doing?



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