Hi Don. Nope, two different models. What is the difference between the DC 6B and a DC7? I always thought the DC 7 was the first Douglas jet?
Can't remember...HOWEVER! I WILL NEVER FORGET THAT RIDE FROM THE PITS OF HELL on n' old Streeeeetched DC-8, in the middle of a thunderstom on the way back from the 69 Philly nats. Talk about HANG ON!....while sitting in the back seats, while looking forward, you could hear hear the "oil-canning, forward and backward sounds of the rippling alumn. fuselage skins INSIDE THE PASSENGER AREAS...and worse yet...
the memory of just looking down that looooong center isle and seeing the torque and twisting of the entire front bulkhead was mind boggling.
Because of that loooong long center isle...you could see and feel the body actually twisting, bouncing up, down, side ways in opposite directions.
Stories of those DC stretch airliners are infamous.
Lew McFarland also had some stories about that 1968 flight from the World Cup. Not only did they hear constant oil canning noises...
WORSE YET...HE HAD TO CUT THE OUT BOARD SECTIONS OFF HIS BEAUTIFUL 1/4 OVERSIZE SHARK 45 WING before leaving...because of those COMPARTMENTISED CARGO CARRRIER HOLDS proved just a bit too small for that larger sized new Shark wing of his.
After arriving back...he had to carefully re-attach and rebuilt that other wing tip panel onto that beautiful model, just days before the trip to Olatha.
I am still amazed to see that soooo many of those old Stretched DC-8 survived for so many years?