747-100,200 and 300

747-100,200 and 300

Postby f4dj79 on Tue Mar 17, 2009 3:39 pm

I worked many nights on the old 747 "flying pig" the engines were JT9D-7A and JT9D-7R4G2 models. These engine are still ok in my book the work horses of the old school avaition business. I found the engines to be durable and easy to work on. The only thing I had gripe about was the cowlings. PW and GE had the fan, T/R and core cowl. If you forgot to close the core cowl, the T/R would try to crush the cowl and it even had a exit duct that would get messed up. If that is my major complaint then life was good. The 747-100/200 were a bit before my time and I got to see the last -200 go down the line and fly away it was a Freighter if I remember and I am glad that I never got to mess with the throttle cables for each engine too much. The -400 came out with a new concept EEC or FADEC electronic engine controls, it did away with cables and made the mechaincs life much easier. My career started with the last three -300 and the new at the time 747-400 which started the PW4000 series engines what a difference between these engines.
When I say I spent many a night under the wing and engines of 747-300, I meant with throttle control adjustment boxes that you would need to set the various quadrants and cables plus all the rig pins. It was extra special in the cold, rain and snow. After twenty plus years at Boeing it still would rather be doing this than flipping burgers!
WB
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Re: 747-100,200 and 300

Postby j79guy on Tue Mar 17, 2009 7:30 pm

Bill,

Flipping burgers? Come on Bill, you LOVE this turbine stuff!

Robin.
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Re: 747-100,200 and 300

Postby f4dj79 on Wed Mar 18, 2009 5:57 am

Ok Robin
I give in I got too much JetA in the blood!
Bill
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