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737-200 Vs -200adv.  
User currently offlineDoug_or From United States of America, joined Mar 2000, 3424 posts, RR: 3
Posted (13 years 2 weeks 8 hours ago) and read 1995 times:

what are the visible exterior diffrences? how can i identifiy one over the other? also, i read that sometime during the production, they witched from clamshell to target type thrust reversers, what do these look like?

thanks
Doug_or in PDX


When in doubt, one B pump off
6 replies: All unread, jump to last
 
User currently offlineNKP S2 From United States of America, joined Dec 1999, 1714 posts, RR: 5
Reply 1, posted (13 years 2 weeks 5 hours ago) and read 1957 times:

You really can't- not from the outside away from the plane. The only way I can tell is the different trailing edge flap assymetry protection system on the rear bulkhead of the main L/G wheelwell. Every 737-200 "basic" I've worked on had target type T/Rs, just like our "advanced" ones.

User currently offlineHAWK21M From India, joined Jan 2001, 31692 posts, RR: 56
Reply 2, posted (13 years 2 weeks ago) and read 1929 times:

Advanced 737-200 was introduced in May 1971.

Physical dimensions wee the same as the basic B737-200.

The Adv version incorporated aerodynamic improvements, automatic wheel brakes, more powerful engines & greater fuel capacity,gross weight & range, enabling the 732adv to operate from short runways as 3600ft.

Quiet engine nacelles were an option.

15% improvement in payload.5% reduction in fuel consumption.introduction of special sealents,& enamelling of major portions of the fuselage structure for corrosion protection.

Advanced composite technology was used as graphite/epoxy elevators, rudder & ailerons.

regds
HAWK.



Think of the brighter side!
User currently offlineDoug_or From United States of America, joined Mar 2000, 3424 posts, RR: 3
Reply 3, posted (13 years 2 weeks ago) and read 1911 times:

do the engines look any diffrent? Also, were there any aerodynamic improvments beyond the flaps?


When in doubt, one B pump off
User currently offlineMusang From United Kingdom, joined Apr 2001, 865 posts, RR: 7
Reply 4, posted (13 years 1 week 6 days 17 hours ago) and read 1899 times:

Early 737s had auxilliary intake doors like 707s and early 747s.

Early Lufthansa pictures show a different nacelle rear end design, possibly the original thrust reverser config??

Regards - Musang


User currently offlineHAWK21M From India, joined Jan 2001, 31692 posts, RR: 56
Reply 5, posted (13 years 1 week 5 days 20 hours ago) and read 1865 times:

Early lufthansa pics you describe probably refer to the B737-100,The -200 had a tailpipe installed between the Engine & T/R.
Engines on -200 & -200 adv look same exterior.
Thrust rating vary though.
The -200s had the JT8D-7/7A,9/9A.
The -200adv had JT8D-15/15A,17/17R.
regds.



Think of the brighter side!
User currently offlineOPNLguy From , joined Dec 1969, posts, RR:
Reply 6, posted (13 years 1 week 5 days 11 hours ago) and read 1844 times:

As far as the engine doors on the previous -200 basic models are concerned, you might do a search for the term "sucker door" (or doors), as I'm pretty sure it's been discussed before.

The easiest way (for me, anyways) to distinguish between the 737-200 Basic and the 737-200 Advanced is to look at the leading edge of the wing.


Click for large version
Click here for full size photo!

Photo © Graham Hitchen



This engineless bird is a "Basic" model (line number 110), and you'll notice the edge of the leading edge krueger flap doesn't get very close to the edge of the fuselage. Look at the edge's location in reference to the landing light at the wing root.

Compare the above photo with two below of an "Advanced" version. You'll notice that this leading edge krueger flap now extends all the way to the edge of the fuselage. It was a major aerodynamic improvement over the "Basic".


Click for large version
Click here for full size photo!

Photo © Kevin Wachter



Click for large version
Click here for full size photo!

Photo © Luis Rosa



Hope that helps...


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