I've been thinking of the same.  It should be easy to fashion a removable
duct that could be stowed when the top is up.  Make a flat one (3" or so thick,
12" or so wide) out of a large cardboard box.

As an interim, just remove the black grills, and the airflow to the front
will increase about 2X.

- Frank

 >     Forever bemused by VW's inability or unwillingness to do something 
 >     about front A/C in the Westfalia (just CAN'T use that cutsey name), 
 >     I've been wondering:
 >     
 >     How about sacrificing that left side "shelf" and installing a blank 
 >     duct (similar to the one over the sliding door, but without the 
 >     vents). At the rear, the duct would have a fitting to go into (and 
 >     replace) the leftmost air director on the A/C unit.  At the front, it 
 >     could terminate in an air director or two.  Or a more involved 
 >     installation might include ductwork that you install above the ceiling 
 >     panel with a couple of vents to bring the air away from the back of 
 >     your neck.  Maybe even an inline fan to help the air get through the 
 >     tube.
 >     
 >     Anyone done something like this on their own?
 >     
 >     Should I try it and then sell you all copies?
 >     
 >     -Blaine
 >

\\\\////\\\\////\\\\\////\\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\
Frank Terhaar-Yonkers
Cisco Systems, Inc.
Engineering Services, W2 F3 5
7025 Kit Creek Road  PO Box 14987
Research Triangle Park,  North Carolina  27709
fty@cisco.com   voice (919)472-2101   FAX (919)472-2940
pager (800)796-7363 pin 1008366 -or- fty@airnote.net