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Author Topic: Consolidated PB2Y-2 Coronado  (Read 6963 times)
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Rudder flutter
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« Reply #50 on: April 10, 2018, 01:54:11 PM »



Richard I was wondering how you were getting on with this magnificent beast because of late we have some shallow "lakes" in a number of the fields which would be excellent for launching an RoW flying boat model - guess same over there?     

Good idea David, although with this one I'm building it with the tip floats retracted to save weight, so she'd drop a wing. Water drying up here now!
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Richard Crossley
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« Reply #51 on: April 10, 2018, 02:02:52 PM »

Here are the latest few pics.
I've been getting on with the covering whilst I wait for the electric power pack to arrive. I also built-in the little ply wheel which will help with take-offs. I did a few tests using the wheel which you can just see lurking in the bottom of the hull in that last photo and some thin wire stabilising 'whiskers' but I found that the wire had to be quite stiff (and heavy) to stop the model leaning over when at rest on the ground. I will try the whiskers positioned on the tip floats to see if that helps. If not, I'll take off using a dolly, and she can land on this mono-wheel. Not weighed it lately, but still feeling nice and light. Looking forward to seeing a few of you on this group at this weekends UK indoor Nationals!
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Richard Crossley
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« Reply #52 on: April 10, 2018, 05:07:55 PM »

Whiskas in the tip floats may well work - they did on the B52.

Otherwise?      COR!

 I think though RoW may not work.  The two water planes I have built had difficulty in unsticking - they had steps - water was “sticky”!

Hope all goes well at the weekend.
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Rudder flutter
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« Reply #53 on: April 30, 2018, 06:21:26 AM »

I've been rather busy lately, so not much progress on the PB2Y. I did get a couple of hours over the weekend to get started on the painting though. I didn't have any silver paint that was suitable, and don't have any model shops nearby, so I opted for some car paint from the local Wilco car spars shop (Wilco are a bit like Halfords, but Norfolk based).

This Carplan aluminium paint sprayed beautifully with cellulose thinners, and hasn't added much weight either. I did get a little overspray texture in places, but once dry (minutes) I buffed it with a tissue and it looks good. Bit of masking out next ...
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Richard Crossley
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« Reply #54 on: May 02, 2018, 11:16:50 AM »

Looks good! Has it hardened off properly? I have had a lot of trouble with various aerosol silvers remaining in a state that the silver comes off on your fingers with handling, and then gets redistributed in places you'd prefer not to have it (both on the model and personally!)
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Rudder flutter
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« Reply #55 on: May 03, 2018, 09:03:57 AM »

Looks good! Has it hardened off properly? I have had a lot of trouble with various aerosol silvers remaining in a state that the silver comes off on your fingers with handling, and then gets redistributed in places you'd prefer not to have it (both on the model and personally!)

Its hardened off well WIP, and looks to be permanent, no paint transfer. Wink
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Richard Crossley
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« Reply #56 on: May 11, 2018, 12:28:39 PM »

Couple more PB2Y pics showing some of my home made laser-printed decals in place. This is a simplified model so these really help ad some interest. They went on well, the carrier film does not show much at all.
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Richard Crossley
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« Reply #57 on: May 11, 2018, 12:36:38 PM »

Beautiful - very nice depth effect on the windows.

Mike
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meatbomber
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« Reply #58 on: May 11, 2018, 12:47:19 PM »

Yes stunning, I wish my finishing skills will be like this when I grow up Cheesy
Not that that is going Topsport anytime soon I fear  Roll Eyes
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« Reply #59 on: May 11, 2018, 01:44:13 PM »

Wow, wrinkle-free silver!  Can I buy that in a can?
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« Reply #60 on: May 11, 2018, 07:38:37 PM »

Outstanding finish on the fuselage...Those windows really set her off!!!
Tom
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« Reply #61 on: May 12, 2018, 12:18:58 PM »

Wow, wrinkle-free silver!  Can I buy that in a can?

Ha ha Strato. When I first covered the fuselage, there were plenty of wrinkles! Once doped though I cut them out and patched in with little tissue squares. After doping and sanding a few times they are gone. Tricky to get rid of every trace, but I'm happy with it.
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Richard Crossley
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« Reply #62 on: September 06, 2018, 03:52:58 AM »

Latest progress photograph on the PB2Y-2. I finally got some time to cover the wings and get some initial paint on. The wiring loom is all in place for the four Voodoo 10 motors, and I'll be using a 200MaH cell in the hatch at the front which should put the CG about right. Quite a few markings to apply, as well as various bit and bobs.
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Richard Crossley
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« Reply #63 on: September 06, 2018, 04:06:44 AM »

Spectacular Richard
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« Reply #64 on: September 06, 2018, 06:28:39 AM »

It's going to be a proper show-stopper
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Tim Horne
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« Reply #65 on: September 06, 2018, 08:43:53 AM »

Superb!
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« Reply #66 on: September 06, 2018, 11:06:53 AM »

Hi Richard,

Only a few days ago I was wondering how this was coming along, as well as Tim's Douglas...

I was pretty much convinced I would only see it next in Nijmegen. Well, you proved me wrong. But W.I.P. is right. it will be a great sight to see in the air! And on the bench

Looking very much forward to it.

George

PS. no clue as to what Peter Smart is preparing? Wink
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« Reply #67 on: September 06, 2018, 11:16:23 AM »

Hi Richard,

Only a few days ago I was wondering how this was coming along, as well as Tim's Douglas...

I was pretty much convinced I would only see it next in Nijmegen. Well, you proved me wrong. But W.I.P. is right. it will be a great sight to see in the air! And on the bench

Looking very much forward to it.

George

PS. no clue as to what Peter Smart is preparing? Wink

Hi George
Thanks, I hope it flies! My last multi, the Boeing B9 was a failure as it suffered from instability. I hold out more hope for this one as its high wing with a nice deep fuselage so should have plenty of 'flyability'. Its rather simplified compared with your gems, but from distance it should look fine. I ran up the four motors today, and they sound amazing!

Pete too has a new four engined flying boat!
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Richard Crossley
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« Reply #68 on: September 06, 2018, 11:53:11 AM »

Hi George
Thanks, I hope it flies!

I have no doubt that it will fly great! It looks the part...


Pete too has a new four engined flying boat!

Ha! I knew it... Let me guess... A Short Sunderland? Or a Russian obscurity?

George
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« Reply #69 on: September 06, 2018, 02:05:08 PM »

Hi George
Thanks, I hope it flies!

I have no doubt that it will fly great! It looks the part...


Pete too has a new four engined flying boat!

Ha! I knew it... Let me guess... A Short Sunderland? Or a Russian obscurity?

George



Well, its French, thats all I'm saying!
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Richard Crossley
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« Reply #70 on: September 09, 2018, 10:18:09 PM »

An interesting read:

https://generalaviationnews.com/2018/09/06/consolidated-coronado-seaplane-flew-in-relative-obscurity/
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« Reply #71 on: October 26, 2018, 08:22:20 AM »

The outdoor glide on the Coronado looked pretty good, so I decided to carry out a few taxi tests a couple of weeks ago in our local small sports hall. The intention was to work up through a few taxi runs, gradually increasing power slightly each time to see how the behaved on its 'dolly' and to check that the roll-out was straight for when I try the model in the huge hall at Nijmegen next month. One of the tests got filmed from the sidelines in slow motion. I hadn’t intended to actually fly the Coronado but on the 4th test this happened, very 'Spruce goose'!

https://www.youtube.com/watch?v=nmPAgeaUYGg
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Richard Crossley
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« Reply #72 on: October 26, 2018, 10:32:49 AM »

Lovely! And as you say, that was uncannily like the Spruce Goose flight.
 
I suppose it's only a matter of time before you or Pete Smart turn up with a huge indoor electric Spruce Goose.
(After which I'm afraid you have to become a mad recluse, never seen in public again.)
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Rudder flutter
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« Reply #73 on: October 26, 2018, 12:58:20 PM »

Lovely! And as you say, that was uncannily like the Spruce Goose flight.
 
I suppose it's only a matter of time before you or Pete Smart turn up with a huge indoor electric Spruce Goose.
(After which I'm afraid you have to become a mad recluse, never seen in public again.)

... and collect my wee in a jar?
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Richard Crossley
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« Reply #74 on: October 26, 2018, 01:29:45 PM »

Have you not been doing that already? You do get balsa to bend very nicely and I thought maybe that was your secret?
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