Mumrik
Topic Author
Posts: 313
Joined: Thu Jun 16, 2016 3:55 pm

Convair 440 Metropolitan "Long nose", Operators

Mon Jul 18, 2016 4:27 pm

Hi,
I have a question about the Convair CV-440 (Metropolitan); I can find pictures of it with both a long and a short nose (Radom).
So my question is, why was it built with two different types of noses?

Also a follow on that, was the CV-240 and CV-340 also available with this option?

Which operators operated this "long nose" version, and are there still some of these in service that hasn't had the upgrading to turboprops?
Aircraft enthusiast and model custom maker
 
oldannyboy
Posts: 2547
Joined: Wed Jun 15, 2016 8:28 am

Re: Convair 440 Metropolitan "Long nose", Operators

Mon Jul 18, 2016 5:06 pm

I always thought the long nose to be associated to the CV-580 conversion, but I'm probably wrong..
I am pretty sure though that there was also a "third" nose variant, a kind of "plastic cup shaped" nose, which I am mentally associating with another re-engine variant...maybe the Napier-Eland or RR dart ones? Again, I'm probably wrong and just confusing fuzzy memories with facts!
 
Viscount724
Posts: 19316
Joined: Thu Oct 12, 2006 7:32 pm

Re: Convair 440 Metropolitan "Long nose", Operators

Mon Jul 18, 2016 5:06 pm

Mumrik wrote:
Hi,
I have a question about the Convair CV-440 (Metropolitan); I can find pictures of it with both a long and a short nose (Radom).
So my question is, why was it built with two different types of noses?

Also a follow on that, was the CV-240 and CV-340 also available with this option?

Which operators operated this "long nose" version, and are there still some of these in service that hasn't had the upgrading to turboprops?


I believe those factory-built with weather radar had the longer nose and radome. Those built without weather radar had the short all-metal nose.

I think 240 production had ended before weather radar was even offered. Some 340s may have been built with the long nose, not sure. There are quite a few photos of 340s with the long nose/radome but they may have been modified after delivery. There were also various after-market weather radar modifications that kept the short nose and added a smaller radome.

UA 340 with the long nose and radome like most 440s.

Image
 
B757Forever
Posts: 847
Joined: Tue May 04, 2010 3:23 am

Re: Convair 440 Metropolitan "Long nose", Operators

Mon Jul 18, 2016 5:09 pm

I worked on Convair freighters in the 1980's and we operated a mix of "long" and "short" nose versions. IIRC, the short nose Convairs were delivered new without weather radar, having a round nose with just the pitot probes protruding forward. Over time, operators upgraded their aircraft with radar adding the radome which makes the short nose version you've seen. The longer nose aircraft are those factory delivered with radar or perhaps retrofitted. I have seen CV240, CV340 and CV440 aircraft with the long nose. I know the CV440 was delivered mostly with the long nose but assume some were retrofitted.
The Rolls Royce Dart. Noise = Shaft Horsepower.
 
Mumrik
Topic Author
Posts: 313
Joined: Thu Jun 16, 2016 3:55 pm

Re: Convair 440 Metropolitan "Long nose", Operators

Mon Jul 18, 2016 7:08 pm

Okay, than I understand this with the different noses of the Convair 440.
Thanks,

Now, does anyone know if there are any Convair 340 or 440 aircraft left with the piston engines and not converted to new turboprop engines?
Aircraft enthusiast and model custom maker
 
maxpower1954
Posts: 1067
Joined: Thu Sep 25, 2008 1:14 am

Re: Convair 440 Metropolitan "Long nose", Operators

Mon Jul 18, 2016 7:34 pm

Yes, I forget the operator but piston 340/440s fly freight everyday OPF (Miami) to the Bahamas.
 
Viscount724
Posts: 19316
Joined: Thu Oct 12, 2006 7:32 pm

Re: Convair 440 Metropolitan "Long nose", Operators

Mon Jul 18, 2016 8:12 pm

maxpower1954 wrote:
Yes, I forget the operator but piston 340/440s fly freight everyday OPF (Miami) to the Bahamas.


Convair 440 with short nose and after-market weather radar modification arriving Nassau 2015. Ex-USAF.
https://www.youtube.com/watch?v=6FWyDhM4ZDE

Convair 340 with long nose departing Nassau 2014. Also ex-USAF.
https://www.youtube.com/watch?v=q2BP0x7BdK0
 
Steelhead
Posts: 271
Joined: Wed Nov 16, 2005 3:04 am

Re: Convair 440 Metropolitan "Long nose", Operators

Mon Jul 18, 2016 8:19 pm

So this one would have the retrofitted nose?

http://www.flickr.com/photos/steelhead2010/12747800683
 
Viscount724
Posts: 19316
Joined: Thu Oct 12, 2006 7:32 pm

Re: Convair 440 Metropolitan "Long nose", Operators

Mon Jul 18, 2016 8:36 pm

Steelhead wrote:
So this one would have the retrofitted nose?

http://www.flickr.com/photos/steelhead2010/12747800683


Yes, that's the same aircraft as in the first video in Reply 7.

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