How to tell a CV580 from a CV340 (and other Convair props)?

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How to tell a CV580 from a CV340 (and other Convair props)?

Posted by Homer on 03 June 2016 - 14:04:24
Local Airport: YCM

Greetings to all...

Years ago I used to fly quite regularly on Great Lakes (Great Shakes) Airlines, which later became Air Ontario. The equipment was Convair 580s, or so I thought. I have pictures of some and airliner postcards in which they're so identified -- CV580 -- for instance C-GDTE. Yet the listings here show C-GDTE and sister ship C-GDTC as CV340s.

I confess to not knowing the difference between a CV340 and a CV580, though think it has something to do with the engines -- piston vs turboprop? Is there any way to tell at a glance which is which?

If anyone can help me out, I'd appreciate it!

Homer

Admin Posted by nighthawk on 04 June 2016 - 10:18:16
Local Airport: CAX

Both seem to be listed elsewhere as CV580's. It might be that our database is wrong.

Posted by eLaReF on 06 June 2016 - 12:14:13
Local Airport: EDI

340 - Correct - Pistons & usually(3) a 3-blade prop

580 - Turbo-prop - 4 Bladed Allisons See https://en.wikipedia.org/wiki/Convair_CV-240_family

One of my 580 pix https://www.flickr.com/photos/elaref/8129215541/

Post Edited By eLaReF on 06/06/2016 - 12:15:00

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