01 Nov 2003, 12:06, Roy J. Tellason (1:270/615), wrote to Charles Angelich:

Hi Roy.

 CA>> You may have noticed that there are extensions (shroud) over the
 CA>> top of fans now and most are completely shrouded? Older
 CA>> cars did not have this. It's not for 'looks', it's to protect the
 CA>> mechanic from loose fan blades. ;-) 

 RJT> That lightweight plastic stuff?  That's in there for airflow.  
 RJT> I'm missing one in my truck,  and it tends to run hot as a 
 RJT> consequence...

 RJT> I've never seen one that'd stop much in the way of flying metal, 
 RJT>  though.

For that matter, the cast iron engine itself won't stop flying metal when
something inside decides to come loose!  Reference the heavy _steel_ clutch
shields the NHRA requires to keep drivers' legs in one piece when a clutch
goes.


     Good luck...  M.

--- Msged/386 TE 06 (pre)