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B24 Liberator - 1/12th scale PSS

From CAD to slope

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Peter Garsden01/11/2014 21:10:39
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1573 forum posts
1159 photos

I think those gun turret operators need some serious liability insurance. Someone's gunning for them! Arf Arf.

Edited By Peter Garsden on 01/11/2014 21:11:11

Andy Meade01/11/2014 21:58:44
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2610 forum posts
679 photos

Har har! Glad the hawk is going well Pete

Andy Meade02/11/2014 21:07:52
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2610 forum posts
679 photos

A few stringers designed and cut into the formers tonight, other than that, not much activity this weekend. I have sketched out some bomb bay door mechanisms, and will have to commit them to CAD the coming week I hope.

Front upper and lateral, as well as rear upper stringers :

b24 fus assy 25.jpg

Underside stringers. Large bomb bay in view! :

b24 fus assy 26.jpg

Andy Meade11/11/2014 10:11:36
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2610 forum posts
679 photos

Not a huge deal of progress at the moment, but I have printed out all the formers and ribs required, ready for a scroll saw session. Strangely, as soon as I started printing, I was a bit disappointed on how small she looks.

Ah well, she's meant to be 12th scale to match the Me262, so I can't complain - I may think about scaling her up for a 10th or 9th scale electric version in the future.

I squared up the bomb bay on the design too. It may be hard to tell form the pictures, but there was an approx. 8mm taper front to rear - a result of the lack of clarity in the sections I used. Now this has been squared up, I will be using roller shutter type (i.e. scale) bomb doors, after I found this nice site where a chap built a 12th scale Libby from a "Palmer" plan **LINK**

Only things left to do now is to finish of the MiG tail upgrade, finish off some sanding on the Hunter, and the B24 can be started on the big bench.

Andy Meade17/11/2014 10:24:30
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2610 forum posts
679 photos

There is a nice "virtual" cockpit of the B24 here from the NMUSAF museum - actually of the Strawberry B***h, which is quite nice. If you scratch around a bit on their website, you can visit the bomb-bay, gunners seats etc throughout the plane.

 

http://nmusafvirtualtour.com/media/024/B-24D%20Pilot%20Station.html

 

Edited By Andy Meade on 17/11/2014 10:25:00

Andy Meade27/11/2014 11:00:58
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2610 forum posts
679 photos

I had a great big delivery of liteply and obechi yesterday, so I can shortly start making some decent progress on this (and the T50 too).

Happy days!

Matt Jones27/11/2014 11:10:49
1186 forum posts
1 photos

Has that wing been stretched??

Andy Meade27/11/2014 11:18:42
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2610 forum posts
679 photos

Is there a way to block users at all? laugh Matt - wingtip chord increased slightly (appx 8%) - whether or not that makes it into production like that, I don't know yet....I might stretch it and not tell you though to make my life easier cheeky

Get back to painting that Vixen!

Andy Meade03/12/2014 13:38:56
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2610 forum posts
679 photos

A quick check of the wood stock :

20141201_094609.jpg

20141201_094634.jpg

Yup, looks fine.

So yesterday's progress looks like this. A tailplane ready for wiring and bolt plates and top sheeting, and a semi-built fin.

20141202_192428.jpg

20141203_125339.jpg

AlexJ03/12/2014 14:14:01
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108 forum posts
45 photos

Hi Andy,

I'm a late finder of this build blog, now subscribed! Great looking build. It looks like your balsa stash is much bigger than my LHS!

Regards

Alex

Steve T03/12/2014 14:22:24
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488 forum posts
74 photos

Honestly, I went to my local model shop yesterday for balsa sheet, you have more than they had. If It's not's foam in a box they are not interested anymore, I came away empty handed, no balsa, no wire for undercarriage, no wheel collets, no more custom from me, can I buy your left over stuff!

Andy Meade03/12/2014 14:24:00
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2610 forum posts
679 photos

Hi Alex,

Welcome along! I was quite lucky at someone else's misfortune - I was looking on Gumtree one evening for a scroll saw, and a chap locally was selling one...and a lifelong stash of balsa due to a divorce! A deal was struck, and I bit his arm off. I've used about a quarter of it since, so I'm running a little low laugh

Steve,

I had a large off-cuts box...but that gets used too.  In fact I only used one virgin sheet of 3/32 for the tailplane - the rest came from the scrap box!

Edited By Andy Meade on 03/12/2014 14:29:40

Steve T03/12/2014 14:56:52
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488 forum posts
74 photos

I may become Britains first 'Balsa Burglar', I have more in my scrap box than the shop stocked, oh well! Looks very good I must say. Nice build.

Phil Cooke03/12/2014 15:12:12
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2254 forum posts
1539 photos

Wow rapid progress Andy!! Looks great!! Hope you've got a bigger building board to hand when it comes to the wings and fus!!?

Andy Meade03/12/2014 15:17:42
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2610 forum posts
679 photos

Hi Phil,

Yes the board is pretty big, it's just full of rubbish. Odd really, as I just moved the workshop around to make things easier on my building - it only takes an hour for me to mess it all up again laugh

I use that little board with the cork glued-on for items where I have to pin through to keep to a template - ideal for the fin and tailplane.

Andy Meade18/12/2014 22:41:03
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2610 forum posts
679 photos

So - lots of cutting, sanding, and fettling ends up with something like this on the board :

2014-12-17 12.54.01.jpg

Which after more cutting looks like this :

2014-12-18 22.13.36.jpg

2014-12-18 22.13.50.jpg

Tailset and all the formers outside of the crutch system just held in general position for now. I need to clean up a few of the formers, then I can start glueing some bits together. Wing templates not cut yet, nor are the tailplane braces, but that's the back of it broken for now.

Phil Cooke18/12/2014 23:25:59
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2254 forum posts
1539 photos

Hey looking good Andy, super job! thumbs up

Andy Meade19/12/2014 11:31:45
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2610 forum posts
679 photos

Cheers Phil! Coming along nicely this morning, the main structure has been glued up and is very rigid, so very happy with it. Now cutting and splicing stringers, and finalizing the tailplane mount.

Andy Meade19/12/2014 15:29:22
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2610 forum posts
679 photos

Ever get one of those days where it feels like you couldn't have done any more on a build even if you tried your hardest? Today seems to have been one of those days for me. Every time I Thought about stopping, I couldn't - the urge to carry on and get more parts cut, sanded, glued and pinned took over. The only problem is I know I'll get it in the neck later when the good lady wife returns, and all my "honeydo's" haven't been done! Ah well, "Aviation is First Priority", as I always tell her. Then run.

Nose pretty much attached now, bomb-bay floor is in, some local reinforcement done, all cyano joints in the crutch assembly have been backed up with white glue.

img_1011.jpg

img_1013.jpg

Tailplane assy is on its back too - just waiting for some glue to dry there, then I will start on a first alignment run to get the tail end attached.

Tim Mackey19/12/2014 19:31:45
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20919 forum posts
304 photos
15 articles

Watching along in silent ( almost ) admiration.

Nice stuff Andy, really looking forward to seeing this thrown off a big cliff sometime next year laugh

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