[Amps] Muffin Fans

[k7fm@teleport.com (COLIN LAMB)]

Rich said:

"The Consolidated B-36 was a pusher type aircraft.  The sucky side of 
the 6-propellers passing by the wings' trailing edges created a beating 
noise that shook the earth below."

Wasn't that beating noise from the pusher type fuel pumps?  I understand
that when the pilots of the B-36 shut the fuel pumps off, the noise went
away.

Colin  K7FM