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 Post subject: P-51 Mustang Question
PostPosted: Mon Jan 07, 2019 8:32 am 
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FG Folder

Joined: Tue Mar 10, 2015 10:36 am
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Location: Pennsylvania, USA
Happy New Year everyone!

Has anyone assembled the P-51 Mustang (the 1-sheet version, not the 2 sheet version)? If so, is the 4-bladed prop at the proper scale? It appears to be slightly smaller than it should be compared to the wingspan.

Willie

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PostPosted: Mon Jan 07, 2019 6:05 pm 
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FG Origami Master
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Joined: Tue Feb 26, 2013 7:45 pm
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Location: Red Bluff, CA
Willie, assuming the large version is correct, the prop on the regular version needs to be increased to 127%. The way I got to this was to overlay the fuselage or the large version over the regular version (converted it to a transparency in Corel) reduced it in size until they matched then compared the prop size.

Beard

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PostPosted: Mon Jan 07, 2019 6:33 pm 
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FG Folder

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Thanks Beard!

I'll make the necessary adjustment.

Regards,
Willie

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PostPosted: Tue Jan 08, 2019 7:29 am 
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FG Folder

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Location: Pennsylvania, USA
Here is the finished P-51 with the properly scaled (I think) prop. The original version is shown for comparison.

I printed a sheet from the larger scale version (appropriately scaled down) and used the prop from it.

Your 127% was spot on Beard -- the re-scaled prop matched the spinner diameter perfectly.

Thanks again!
Willie

Attachment:
IMG_1045 copy.jpeg
IMG_1045 copy.jpeg [ 96.16 KiB | Viewed 6557 times ]

Attachment:
IMG_1043 copy.jpeg
IMG_1043 copy.jpeg [ 99.51 KiB | Viewed 6557 times ]

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PostPosted: Tue Jan 08, 2019 12:08 pm 
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FG Origami Master
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Location: Red Bluff, CA
Good, I'm glad it worked for you Willie.

Mike

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PostPosted: Sat Feb 09, 2019 10:28 pm 
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FG Folder
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I built this mustang, it was my second paper model. I saw right away that the prop was way too small and noted it in my comments on the build. With the correct sized prop on yours, mine looks sad. Perhaps one day I will redo the prop, but there was another issue as well. The other being the air scoop under the fuselage. I could never make it come out straight no matter what I tried. Maybe someone will tackle a redesign of this mustang and improve the issues.

caddmnn05


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PostPosted: Wed Feb 13, 2019 6:18 am 
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FG Folder

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Location: Pennsylvania, USA
Thanks for the comments, Caddmann.

During the last snowstorm, I started work on the P-47 and noticed that the prop (apart from being 3-bladed rather than 4-bladed) appeared to be too large for the model. I re-scaled a 4-bladed prop from the Mustang sheet and think I got it to the proper size.

If I can find my camera again, I'll post a picture when it's completed...

Willie

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