Duo 40 (oz7504)
About this Plan
Graupner Duo 40. Hello Steve, Here is a plan thats not again listed in the site. Graupner Duo 40 biplane. Best regards,
Quote: "Hello Mary, Thank you for your email and good luck with your beautiful site. For information : I haven't the Graupner Volksplane plan (monoplane version of the Duo 40) but it's exactly the same plan with no top wing and with 1 rib more on each side of the bottom wing. Best regards,"
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User commentsPhoto of completed Duo 40 was found online at http://www.rc-network.de/forum/showthread.php/397329-Graupner-Duo-40-%28Best.-Nr.-4644-%29
SteveWMD - 29/02/2016
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