Re: 747 100/200 differentiation question

From:         simonlc@ozemail.com.au (Simon Craig)
Organization: OzEmail Pty Ltd - Australia
Date:         17 Jul 95 04:29:37 
References:   1
Followups:    1
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> As a quick visual differentiation between the 747-100 and -200, I had always
> thought that the trailing edge of the engine pylon worked well. The -100
> had an almost straight trailing edge leading up to the wing, whereas the
> -200 trailing edge extended aft, curved up sharply, then straightened out
> to the wing.
>
> That worked fine until yesterday at Changi. An Olympic 747 SX-OAB had the
> -100 pylon's trailing edge - but the aircraft was clearly labeled a -200.
>
> Were many -200 aircraft made with the straight pylon trailing edge? And
> is there another reliable way to visually differentiate the 747 classics?

I always thought that the 100 had a different wing design altogether.  The
100 has a single piece flap design and the 200 and onwards a
triple-slotted fowler flap set-up.  This is also the case on SPs.  Well,
that is my experience anyway.

Simon.