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Questions On WN's 737-300s...

KensukeAida From United States of America, joined Oct 2005, 217 posts, RR: 0
Posted (7 years 7 months 2 weeks 1 day 1 hour ago) and read 2313 times:

Hello all. I have some questions about WN's 737-300s, and I was wondering if you could help me.

1. What is the max gross weight and the empty gross weight on the 737-300s that WN uses? I ask because I'm trying to figure out if they fly the HGW version or the "regular" one.

2. Does WN use the 20,000lb thrust -B2 engines, or the uprated 22,000lb thrust -C1s on their 300s?

3. Where do they presently stand on their proposed EFIS upgrade?

Thanks guys. I appreciate it. Smile

- John

8 replies: All unread, jump to last

OPNLguy From , joined Dec 1969, posts, RR:
Reply 1, posted (7 years 7 months 2 weeks 23 hours ago) and read 2275 times:

1/ OEW 73.5, max structural TOW 139.0

2/ CFM56-3-B1

3/ No decision yet.

Molykote From United States of America, joined Aug 2005, 1336 posts, RR: 30
Reply 2, posted (7 years 7 months 1 week 5 days 13 hours ago) and read 2161 times:

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Quoting OPNLguy (Reply 1):

OPNLguy,

Can you tell me if WN operates this engine with or without HPTACC timers?

Speedtape - The asprin of aviation!

OPNLguy From , joined Dec 1969, posts, RR:
Reply 3, posted (7 years 7 months 1 week 5 days 1 hour ago) and read 2135 times:

Quoting Molykote (Reply 2):
Can you tell me if WN operates this engine with or without HPTACC timers?

I'll have to check on Monday when I get back into the office...

KensukeAida From United States of America, joined Oct 2005, 217 posts, RR: 0
Reply 4, posted (7 years 7 months 1 week 4 days 15 hours ago) and read 2096 times:

Are you sure they are B1s on the -300s? I thought the 18,500lb B1s were only offered on the -500s?

Here's what I'm going off of:

http://www.b737.org.uk/techspecsdetailed.htm

- John

SCXmechanic From United States of America, joined Dec 1999, 534 posts, RR: 1
Reply 5, posted (7 years 7 months 1 week 4 days 1 hour ago) and read 2048 times:

No we don't use the HPATCC Timers... Not many do if I remeber correctly from the CFM class I attented at GE in CVG.

OPNLguy From , joined Dec 1969, posts, RR:
Reply 6, posted (7 years 7 months 1 week 4 days 1 hour ago) and read 2047 times:

Quoting KensukeAida (Reply 4):
Are you sure they are B1s on the -300s? I thought the 18,500lb B1s were only offered on the -500s?

The B1s are 20,000 lb thrust, and are used on both the -300 and -500.

http://www.cfm56.com/engines/cfm56-3/tech.html

KensukeAida From United States of America, joined Oct 2005, 217 posts, RR: 0
Reply 7, posted (7 years 7 months 1 week 3 days 23 hours ago) and read 2033 times:

Alrighty then. I stand corrected, and the 737 reference I used is obviously wrong on that count.

Thanks. Smile

- John

OPNLguy From , joined Dec 1969, posts, RR:
Reply 8, posted (7 years 7 months 1 week 3 days 23 hours ago) and read 2046 times:

I don't that it's wrong, per se. There easily could have been a 18,500 derated version for the -500 as an option, but given that the Classic series are out of production, or maybe the 18,500 versiondidn't get many takers, CFM just left it off their site. As far as the 737.uk site, there's only so much info one can put in a table, and I guess they elected to only put some in. That's why I went to the source, CFM's website... Wink

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