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Old 04-01-2022, 10:14 PM
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Murph's Models/OBP Planes, 1/100

I have quite a number of different scales of Murph's/OBP planes posted on different threads on this forum but never a 1/100. This comes into being as Murph has let me beta build his gigantic AN225 that will be some 3 feet long as he has mentioned somewhere.

This happens to be the most challenging project in all my experience as the open and close mechanism of the nose cone is very very hard to do, I mean do it well as far as look and operation is concerned. The nose hinge shaft is the major concern. Murph's design is to cut the shaft after installing it for the nose cone to rotate around it but I have different views (to be discussed later). As the saying goes, there are many ways to Rome and let's see.

I use 80 gsm paper to print out the template in its original scale as Murph has designed and then laminate it on 250 gsm paper since the heavier paper, cardstock actually, can't pass through my Epson printer despite many trials. The good side is that after lamination, the part is much easier to bend, curl and whatever.

There are many ways to install the operating mechanism of the open/close nose cone and what appears in the photos below is the fourth attempt that can be further improved. Enough is enough and I have to move on.

Some points to note is that when building at such a large scale, heavier paper must be used especially in the nose cone section. Murph's models use bitmap pixels and the lines, curve ones especially, are rugged, irregular and thick. This appears more prominent when printed. What I do is that I would try my best to cut within the black outlines as far as possible. Please note that over-cutting will cause joining problems when adhering two parts.

Now back to the assembly line.
Attached Thumbnails
Murph's Models/OBP Planes, 1/100-dscn3689.jpg   Murph's Models/OBP Planes, 1/100-dscn3691.jpg   Murph's Models/OBP Planes, 1/100-dscn3690.jpg   Murph's Models/OBP Planes, 1/100-dscn3692.jpg   Murph's Models/OBP Planes, 1/100-dscn3693.jpg  

Murph's Models/OBP Planes, 1/100-dscn3694.jpg   Murph's Models/OBP Planes, 1/100-dscn3695.jpg   Murph's Models/OBP Planes, 1/100-dscn3696.jpg   Murph's Models/OBP Planes, 1/100-dscn3697.jpg   Murph's Models/OBP Planes, 1/100-dscn3698.jpg  

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Old 04-01-2022, 10:40 PM
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A major project. Best of luck to you and Murph with this.
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Old 04-01-2022, 10:46 PM
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I certainly need it. Almost threw in the towel the other day when the third attempt failed.
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Old 04-02-2022, 04:07 AM
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Mate, you will get there, I have no doubt. Thanks for putting this thread out here we will al learn a lot.
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Old 04-02-2022, 06:30 AM
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Wow! A major effort. I'm sure I'd reduce the scale to 1/144. Think that would make construction more or less difficult?

Les (The Voice of Authority)
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Old 04-02-2022, 08:16 AM
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I've got plans to release a simpler version in 1/200 without an opening nose or cargo bay. The 1/100 version has a partial cargo bay, so you can display it with you favorite 1/100 model half swallowed.

I don't know why the lines came out so jagged. Usually they're a lot finer, but this one is refusing. I'm gonna have to try it again.
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Old 04-02-2022, 08:23 AM
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Good luck Papermate.! 3 feet will be a gigantic model at 1/100 scale. This plane came to the Abbotsford Airshow in 1986 and it was huge when it flew over my house. I am looking forward to your build.

Brent
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Old 04-02-2022, 01:09 PM
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One word! Wow!
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Old 04-04-2022, 09:34 PM
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Murph has sent re-drawn new copies with greatly improved fine lines. Will therefore be starting all over, OMG.
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Old 04-08-2022, 07:23 AM
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Just finished joining up all the sections of the fuselage and took a measure. 30 inches long from nose to end. Now worrying where to store it when complete.
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