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This thread is privately moderated by Ronakagarwal, who may elect to delete unwanted replies.
May 16, 2019, 03:28 PM
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Discussion

Design and development of a flying wing


Having started from scratch.. i did my theory and design using matlb and excel.
Aim was to start with basic envelop of altitude 500ft
Stall speed : 10m/s
AR : 5
Using few other inputs i did my load calculations and constraint analysis
Then went on to do the weight estimation
And then sizing of the flying wing.
I am now in the assembly stage
I made the flying wing in EPP (pics below)
Started with joining the wings.
Further development will keep you posted.
Span : 909 mm
Root chord : 259 mm
Tip chord : 104 mm
Sweep LE : 30 deg
Airfoil : MH 60
During hot wire cutting trailing edge of the airfoil was found to be too thin and therefore had to keep the tip chord little less than the actual bcz the foam just melted.
Thought of compensating by using choro elevons as attachment.
Still trying to figure out how to mount motor and attach elevons to such a thin trailing edge��.
Any advice will be appreciated ��.
Looking for a cool name too ? Drop in some cool names if you can ��
Last edited by Ronakagarwal; May 17, 2019 at 03:20 PM.
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May 17, 2019, 03:24 PM
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Thread OP
Here is my progress with the project. Started assembling today. Pic below
Used choro sheet as elevons. Trailing edge was too thin for motor mount , so i had to add a bit of cut EPP, i fear that will add to the drag but will try to make it more streamlined.
Hope for maiden soon ������������
Last edited by Ronakagarwal; May 25, 2019 at 01:01 PM.
May 22, 2019, 09:00 PM
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old4570's Avatar
Hmmmm ,

1) I would have hotwired the design with Elevons in place ..
2) Then covered in laminating film ( Spars - bla bla )
3) Then cut out the Elevons and taped them .
4) Some foam block in the centre to glue the motor mount to ( Shaped bla bla )

Looks interesting ..
May 25, 2019, 01:01 PM
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Thread OP
Well... i would have also changed and done a lot of things but thats is the learning process.. hope to make better on the second one.
So, the maiden is tomorrow.
Will post a pic below.. too many wires .. need to secure them properly.
May 25, 2019, 06:14 PM
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old4570's Avatar
Yeah , my first micro wing blew chunks ..
Just spending more time thinking about the next one ..
Really want a Micro Wing .

1s ) F949 flight board with a small brushed quad motor
2s ) XK A800 flight board with XK A800 motor

hmmmmm


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