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Apr 21, 2019, 07:36 AM
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biomecanoid's Avatar
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Build Log

EPP Airplane Glider Dragon from Bangggood


Hello,

I have just bought this little hand thrown glider in the shape of a dragon:

https://www.banggood.com/EPP-Airplan...r_warehouse=CN

The plane feels tough and flies straight when you throw it, i would like to mod it to twin tractor RC on 2s with 4 channels so i can use differential thrust as well. This little thing will be virtually indestructible and will help me better my flying skills

I am open to suggestions for suitable hardware and where to mount it.

I will update when there is any progress.

Thanks
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Apr 26, 2019, 07:00 AM
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biomecanoid's Avatar
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Some more photos of the "airplane"

I think i would like to use the F959 motor for the dragon plane:

https://www.banggood.com/WLToys-F959...l?rmmds=search
https://www.banggood.com/WLtoys-F959...l?rmmds=search

and probably this servos:
https://www.banggood.com/3_7g-Micro-...l?rmmds=search

ESC:
https://www.banggood.com/Hobbywing-E...r_warehouse=CN

Regarding batteries i have lots of F959 2s batteries that i can use

The problem is that i would prefer to make the plane a twin tractor than a pusher and plus i need counter-rotating props and i wanna use differential thrust.

Any of you guys know of any counter-rotating props that would fit that motor ? How do i attach the motor on the wings any "clever" way of doing it instead of going crazy with the hotglue? Also what servo do you recommend ? the ones i found are a bit too big i think, some goes with the ESC a bit too big
Last edited by biomecanoid; Apr 26, 2019 at 07:43 AM.
May 03, 2019, 08:02 AM
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biomecanoid's Avatar
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Hello Guys,

I think i found a suitable motor:

https://www.ebay.co.uk/itm/DC-5V-6V-...8AAOSwOjBZZH83



What do you think ?
May 03, 2019, 11:59 AM
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jimjim06's Avatar
How heavy is it? As a glider, and does that include any balancing weight (Which can be removed)?

That motor is not so good, heavy and old design.

I would go for 2 of theese https://www.banggood.com/85x20mm-Mot...r_warehouse=CN or similar.
If they counterrotate will depend on how you supply them with current.

The dragon looks cool, but The Eagle looks more promising for conversion, bigger wing area and smaller deadweight body.

I want the Pterodactyl, but that seems to be unobtainable...


Tommy
May 03, 2019, 02:28 PM
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biomecanoid's Avatar
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I wanted the Pterodactyl too but it seemed too difficult to convert to RC. I liked the eagle aswell but the dragon seemed to be the easiest to convert .

If the dragon is successful as an RC plane i will buy the eagle as well.

I haven't weight the plane but one guy on banggood said its about 40 grams. Also it doesn't seem to have any weights i tried to "scan" the dragon under a light but the black foam doesn't help.

As far as motors are concerned i would prefer a 2s capable ones since i have lots of batteries from the WLtoys SkyKing ( I like my planes over powered ).

Do you have any 2s motors in mind ? also i will need 2 small ESC and of course props, servos and FlySky receiver. I don't like all in one bricks because if something breaks you throw away the whole thing.

It flies very straight if you throw it, but now that i added the rudder and the elevator its a bit tail heavy. The control surfaces are oversized for now but i can always trim them.

Any suggestions ?
Last edited by biomecanoid; May 03, 2019 at 03:35 PM.
May 03, 2019, 02:36 PM
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biomecanoid's Avatar
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Can we find CW and CCW props for this motor ?

https://www.banggood.com/WLToys-F959...r_warehouse=CN
May 04, 2019, 11:11 AM
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biomecanoid's Avatar
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Laminated the wing and the control surfaces
May 04, 2019, 01:16 PM
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biomecanoid's Avatar
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I think these props will do fine with the WLToys F959 motor :

https://www.banggood.com/56mm-CW-CCW...r_warehouse=CN


I need ESC and receiver now
May 04, 2019, 02:11 PM
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biomecanoid's Avatar
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What about this ESC ?

https://www.ebay.co.uk/itm/Speed-Bru...kAAOSw2CFctnGj
May 04, 2019, 04:30 PM
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OK if i go the 1s route with this kind of motors :

https://www.ebay.co.uk/itm/Pair-DC-1...UAAOSwQaFatjOm

where do i find a micro 1s ESC ?
May 04, 2019, 06:06 PM
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This looks promising:

https://www.amazon.co.uk/Aeroplane-S...s&sr=1-1-fkmr1
May 04, 2019, 06:18 PM
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Micro Servos:

https://www.banggood.com/1-Pair-Gote...r_warehouse=CN

https://www.ebay.co.uk/itm/1Pcs-Gote...MAAOSwzppZ5xk2
Last edited by biomecanoid; May 04, 2019 at 06:57 PM.
May 04, 2019, 07:35 PM
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Mini Receiver:

https://www.banggood.com/Flysky-FS2A...r_warehouse=CN


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