Author Topic: Boeing Y1B-17 Project--1/48th Scale  (Read 74613 times)

Offline Second Air Force

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Re: Boeing Y1B-17 Project--1/48th Scale
« Reply #135 on: January 06, 2011, 08:07:23 AM »
Here are the elevators in the progress of being built up. I wasn't satisfied with the trim tabs after I cut them from the elevators so I made new ones from .010 sheet and styrene tubing.
http://i174.photobucket.com/albums/w117/2AF/IMG_6000.jpg
Boeing Y1B-17 Project--1/48th Scale


http://i174.photobucket.com/albums/w117/2AF/IMG_6005.jpg
Boeing Y1B-17 Project--1/48th Scale


This photo is a rough idea of the final product. Every YB-17 photo I have shows the tabs drooped at different angles so the model will have them this way also:
http://i174.photobucket.com/albums/w117/2AF/IMG_6007.jpg
Boeing Y1B-17 Project--1/48th Scale


And a photo from the Amarillo AAF B-17 mechanic school that shows the empennage of the real machine with the drooped elevators and tabs:
http://i174.photobucket.com/albums/w117/2AF/AmarilloMock-upEngineChangecleaning.jpg
Boeing Y1B-17 Project--1/48th Scale



Scott

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Re: Boeing Y1B-17 Project--1/48th Scale
« Reply #136 on: January 06, 2011, 08:56:25 AM »
:-ok

Offline draken35

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Re: Boeing Y1B-17 Project--1/48th Scale
« Reply #137 on: January 06, 2011, 05:46:53 PM »
Wow!!!

Offline Second Air Force

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Re: Boeing Y1B-17 Project--1/48th Scale
« Reply #138 on: January 10, 2011, 04:32:24 AM »
I fine-tuned the gun blister master and I think it's just about ready for me to vacuform a test transparency. It looks like I'll be molding two transparencies per blister so that I can properly model the moving portion. The radio room blister is actually quite different as the shape of the fuselage it fastens to is different, but I can still use the same master to vacuform this part also. It'll just require more trimming to fit the turtledeck.
http://i174.photobucket.com/albums/w117/2AF/IMG_6015.jpg
Boeing Y1B-17 Project--1/48th Scale


Scott

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Re: Boeing Y1B-17 Project--1/48th Scale
« Reply #139 on: January 10, 2011, 09:11:55 AM »
Scott- havy you try surface copy method for better and faster results?

Offline Second Air Force

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Re: Boeing Y1B-17 Project--1/48th Scale
« Reply #140 on: January 11, 2011, 07:20:59 AM »
You said the word "faster" regarding my model building, No.1! :) :) :) I enjoyed that as I am one of the slowest modelers I know...... :-roll

Here's the first vacuformed test-shot roughly fitted to the fuselage. I did the test piece in yellow so I could mark on it for fine tuning. It is pretty close to the correct shape as-is but needs a little shaping. Once I'm fully satisfied with the master it'll be short work to produce the four blisters.
http://i174.photobucket.com/albums/w117/2AF/IMG_6018.jpg
Boeing Y1B-17 Project--1/48th Scale


Scott

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Re: Boeing Y1B-17 Project--1/48th Scale
« Reply #141 on: January 11, 2011, 08:13:15 AM »
Oohh... sorry for my bad Englis :( When I said faster, I mean on faster way to get precise surface shape copy

samuraj77

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Re: Boeing Y1B-17 Project--1/48th Scale
« Reply #142 on: January 11, 2011, 01:29:13 PM »
Stunning work mate

Offline draken35

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Re: Boeing Y1B-17 Project--1/48th Scale
« Reply #143 on: January 11, 2011, 05:11:00 PM »
Excellent!!!

Offline Second Air Force

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Re: Boeing Y1B-17 Project--1/48th Scale
« Reply #144 on: January 11, 2011, 05:16:02 PM »
Oohh... sorry for my bad Englis :( When I said faster, I mean on faster way to get precise surface shape copy

Your English was just fine, No.1--I like to poke fun at my own speed any time I get a chance. ;) I usually use a contour gage to do this kind of work but I either loaned it to someone or left it at the hangar.

Scott

Offline Second Air Force

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Re: Boeing Y1B-17 Project--1/48th Scale
« Reply #145 on: January 16, 2011, 06:50:26 AM »
This evening I glued the practice blister onto the extra rear fuselage that I removed at the beginning of this project. I also cut out the moving portion of the blister (I cut it too large by accident, :-roll but that is one of the reasons I built a practice part). All I was doing at this point was to study how to use filler to properly fair the new blisters into the surrounding skin. With just a bit more work the blister mold will be ready to make clear parts. You can see a little bit of BareMetal foil on the lower part of the fairing and fuselage where I practiced applying it to the compound curves of the fairing, and the hand-drawn forward windows that I drew for reference:
http://i174.photobucket.com/albums/w117/2AF/IMG_6028.jpg
Boeing Y1B-17 Project--1/48th Scale


The nose fairing also moved forward tonight. I poured resin into the clear piece I constructed the other day, then chucked it into the lathe for shaping:
http://i174.photobucket.com/albums/w117/2AF/IMG_6024.jpg
Boeing Y1B-17 Project--1/48th Scale


http://i174.photobucket.com/albums/w117/2AF/IMG_6026.jpg
Boeing Y1B-17 Project--1/48th Scale


After the first shaping session I vacuformed the first attempt. It fits the airplane pretty well but the contour is still not right. Next will be more lathe work and another practice part.
http://i174.photobucket.com/albums/w117/2AF/IMG_6031.jpg
Boeing Y1B-17 Project--1/48th Scale


More later,
Scott

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Re: Boeing Y1B-17 Project--1/48th Scale
« Reply #146 on: January 16, 2011, 08:11:52 AM »
Every work step in this build is simply great!!

Offline draken35

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Re: Boeing Y1B-17 Project--1/48th Scale
« Reply #147 on: January 16, 2011, 08:25:52 AM »
+1 with Srecko!

Offline Second Air Force

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Re: Boeing Y1B-17 Project--1/48th Scale
« Reply #148 on: January 23, 2011, 06:30:03 AM »
The plan for the nose glazing is complete. We went to a local craft store today and found some necklace beads that were the correct diameter to vacuform the gunner's ball with. I also reshaped the nosecone master and vacuformed some practice parts in order to fit them up to the fuselage:
http://i174.photobucket.com/albums/w117/2AF/IMG_6038.jpg
Boeing Y1B-17 Project--1/48th Scale


Next step will be to make the final clear parts and build the gun swivel mechanism that goes into the ball. This was one of the sub-projects I'd been somewhat concerned about when I started this model. Next will be to fine tune the waist blisters and the hardest parts of the build will be behind me.

I'm working on the oil cooler vent louvers for the engine nacelles right now, but it's not really worth showing photos of...... :-roll

Scott

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Re: Boeing Y1B-17 Project--1/48th Scale
« Reply #149 on: January 23, 2011, 07:35:04 AM »
This side by side composition with the real subject is great!!!