Re: What is "synchronizing" propellers and why was it done?

Date:         21 Dec 97 02:32:41 
From: (G3AV8TOR)
Organization: AOL
References:   1
Next article
View raw article
  or MIME structure

Bob's reply is on the money.

You might be interested to know that multi-engine jet aircraft have the same
capability of synchronizing the engines. In the case of twin-spool high by-pass
turbofans, the pilot can select which spool to synch, thereby reducing the
pulsing noise created by the compressor sections being out of synch