Avro Avian (oz8885)
About this Plan
Avro Avian Biplane. Scale model for RC with electric power.
Hi Mary, I have for you today the plans for the Avro Avian Biplane I designed in 2017. It has a 60in wing span and the motor used is a Turnigy D3242/6 1000KV. Propeller is a APC 12 x 6E, battery 11.1V 3S.
Direct submission to Outerzone.
Supplementary file notes
Build Photos (26 pages).
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User commentsI've just completed an Avro Avian using Tom Decker's plans on this site. I based mine on Bert Hinkler's Avian currently hanging in the foyer of the Queensland Museum in Brisbane Australia. Attached are a couple of photos of the model you may like to add to the "more pics" section of the Avian's page [more pics 007, 008].
GeoffCollins - 18/06/2018
Despite the excellent plan showing the shapes of the wing ribs, there is no evidence on the plans where each rib is supposed to go.
Den - 30/11/2018
The Wing ribs are installed as follows: From WING center, W1,W2,W3 then 2 x W4, 6 x W5, and the last rib is W6. Same for both BOTTOM wings. The top wing, having no ailerons - would have 8 x W4 instead of 6x W5. Look carefully at the top wing center section detail... Hope this helps.
Eflyer7 - 01/12/2018
Sorry about this missing information. I try to make the plans understandable but sometimes I can miss things. RIB LOCATIONS: RIBS W-1, 2, 3 BOTH WINGS. W-4: 18 TO TOP WING, 4 TO BOTTOM WING. W-5 USED ON BOTTOM WING ONLY. W-6 BOTTOM WING ONLY. Thanks.
TomDecker - 01/12/2018
No need to apologise, Tom, your work is great! We really appreciate you sharing it with us. Thanks for this extra info :)
Mary - 01/12/2018
Some photos of 3 slightly changed Avro Avian Biplanes [more pics 009-014] and 2 photos of the new outer cabanes mounts, no tools required ! [more pics 015, 016]
TomDecker - 06/01/2019
Are the wing magnets sufficient to hold the wings on or could they be doubled up to provide more security?
anon - 22/03/2019
The magnets do the job very well, but if it bothers you you could doubled up. As long as the magnet are touching or are very close you should have no problems using what is shown.
Tom Decker - 23/03/2019
Hi Anon, the wings are aligned, and held at the right angle and dihedral, by the steel piano wires in the brass tubes. The small magnets are simply to hold the two wings touching each-other, and stop them from separating and sliding off the piano wire joiners. Other methods to hold the port and starboard wings together in the middle are clear sticky tape across the join, or to fit some small wire hooks to the wing panels and put an elastic band between the hooks.
VinceDay - 23/03/2019
Quote "Some photos of 3 slightly changed Avro Avian Biplanes [more pics 009-014] and 2 photos of the new outer cabane mounts, no tools required ! [more pics 015, 016] TomDecker - 06/01/2019"
I would like to see one or two more pictures, different angles, and a little closer, to the optional cabane attachment. The existing pictures leave a little question in my (little) mind.
Bob Blubaugh - 24/04/2020
Hi Mary, Here are the photos and info for the outer cabane struts on the Avro Avian [pics 018-020].
Cabane Attachment: The larger wire is from the left over unthreaded end of a Dubro Threaded Rod 2-56 .072. This wire is easy to bend. The small wire is .039 piano wire .The strut is made from 1/8 x 1/2 bass with a doubler of 1/8 x 1/2 balsa. The wire's inner ends are bent 90 deg and go through the strut. Wires are held in place with copper wire and are twisted on the large wire side. This will be covered over with med or thick CA after the balsa doubler is attached. The smaller wire also gets a fillet of CA from the copper wire to where it goes through the strut. Do not go pass the copper wire as the wire must be able to open to allow the strut to attach.
TomD - 01/05/2020
I have made the avro avian biplane but I was wondering if this plane could be converted back to the avro avian low wing model you have on your plans as both wings on the models are 60 inch span. Also I am not sure what the dihedral difference - if any - would be from the bipe to the low wing.
Den - 07/11/2020
Den, Yes you could convert it. The dihedral will be almost the same but not enough to worry about. The C.G. would be 3-3/8" from the L.E.
Let us know how it works out.
TOM decker - 08/11/2020
Hi Tom, Many thanks for your very prompt reply. I can now be confident to do a conversion from bipe to a low wing model.
Den - 09/11/2020
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