Antonov A-15

Anything to do with gliders & gliding.
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Cliff Evans
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Re: Antonov A-15

Post by Cliff Evans » 12 Apr 2018, 08:49

Got it, thank you.

Mark Erwood
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Re: Antonov A-15

Post by Mark Erwood » 12 Apr 2018, 21:10

I don't like to cast doubt on Vic Steel's drawings ,but I wonder if the span as drawn is correct. It scales at 17M whereas I think it should be 18M. I have looked at all the reference material I can find and 10 give 18M and 4 give 17M span While it is true that 3 of the 4 giving 17M span are 3-view drawings, including a couple of Russian drawings, Antonov's own website gives 18M as does Krasilschikov in 'Gliders of the USSR'. Also looking at the Antonov wing drawing and adding up the rib spacing gives 18M.
Can anyone else comment?

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Cliff Evans
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Re: Antonov A-15

Post by Cliff Evans » 12 Apr 2018, 22:15

Mark, you are right, but it looks like Vic used the Martin simons drawing as a guide, a lot of Martins drawings are not as acurate as they perhaps could have been!
A-15.jpg

BaldEagle
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Re: Antonov A-15

Post by BaldEagle » 13 Apr 2018, 04:46

I have the size of a real glider from Ukraine. It's 18 meters.

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Cliff Evans
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Re: Antonov A-15

Post by Cliff Evans » 13 Apr 2018, 12:12

Again, research is the key! We cannot be held reposible for the published research of others!

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Cliff Evans
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Re: Antonov A-15

Post by Cliff Evans » 13 Apr 2018, 20:03

revised plans with correct wingspan, hope you are all suitably grateful!!!!!

Have taken previous plans off.
Attachments
Fuselage.pdf
(377.2 KiB) Downloaded 124 times
Ribs.pdf
(157.61 KiB) Downloaded 113 times
Wing.pdf
(162.7 KiB) Downloaded 122 times

Martin G
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Re: Antonov A-15

Post by Martin G » 13 Apr 2018, 20:21

Fast work Cliff. I will be adding this model to my building list!

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Cliff Evans
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Re: Antonov A-15

Post by Cliff Evans » 13 Apr 2018, 20:45

It was actually Vince that did the work!

Martin G
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Re: Antonov A-15

Post by Martin G » 13 Apr 2018, 23:14

Thank you Vince for the amendments to the span, and thanks to Cliff for posting them on this forum!

BaldEagle
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Re: Antonov A-15

Post by BaldEagle » 15 Apr 2018, 18:57

Thank you very much for update the plans
How will the laminar profile behave on the model?

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