more on masts

[WeigeltF@rad-lan-po.radiology.uiowa.edu (WeigeltF@rad-lan-po.radiology.uiowa.edu)]

     Seems like we may have beat the EMT and other mast material questions 
     to death.
       Does anyone have any thoughts as to what might be optimum or even 
     advisable in how much mast to "bury" in the tower, vs how much is 
     above it?  How much does using a thrust bearing change this, if any?
       Thanks for your thoughts / comments .  Frank AA0GG

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