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« on: March 14, 2011, 05:26:21 PM »
foamybuilder
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Built a new delta plane with 3mm depron. Its around 1M in wingspan. Just has the winglets and no vertical fins. Am planning to put rudder at a later point, have just one servo left unused at this point.
Airfoil is formed by running a strip of 9mm on either side of the winghalfs and covering it with 3mm depron sheet.
AUW is around 450-500grams with 1500mah battery.

Have plenty of space to put the electronic. I can call this tata innova Cheesy
If this platform is stable I plan to use this for fpv, ofcourse using a different motor. Current motor used is some cheap motor and is severely underpowered(Ax-1800 series ).
Had flown this once, is a very slow flier.


phpA8GBDKAM.jpg
My new delta wing
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« Reply #1 on: March 14, 2011, 05:33:36 PM »
rajathv8
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Hey man that looks evil. Smiley you seem to be in love with deltas these days!!
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« Reply #2 on: March 14, 2011, 05:43:23 PM »
ujjwaana
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Saw this beautiful plane fly last Sunday. it is extremely light plane for its size. Foamybuilder put a thin GWS prop on high Kv motor and the setup was screeching. hope his setup is updated now.
The plane was just floating around with throttle cut. Beautiful plane indeed.
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« Reply #3 on: March 14, 2011, 05:46:08 PM »
rajathv8
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Did it attract wildlife? His planes have unique properties Cheesy
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« Reply #4 on: March 14, 2011, 06:10:32 PM »
foamybuilder
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@ujjwaana: Have bought EMP prop from rcd, but havent yet tested it. Will test with 7x6 EMP this time, atleast I hope it wont be underpowered.
@Rajath: It dint attract any birds this time may be because it gave a very irritating noise at high frequency because of prop setup as ujjwaana said:D
I am running out of servos, and these deltas are simple to build use only two servos and can do basic maneuvers Cheesy so am building only these nowadays
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« Reply #5 on: March 14, 2011, 06:57:27 PM »
rajathv8
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Hey next time you use tape on a model do me a favour and measure model weight before and after taping. I wanted to check but dont have weigh scale.
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« Reply #6 on: March 14, 2011, 07:35:24 PM »
Husein
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NICE..... the kfm airfoil that you have used, does it have a slight curvature or is it flatly stuck and whats the black cover, monokote or just plain plastic , awesome work
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« Reply #7 on: March 14, 2011, 10:48:12 PM »
foamybuilder
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@Husein:I could say it is a combination of conventional and kf2. The conventional symmetrical airfoil is built till 50% of the chord.
The covering is done with packaging tape and wrinkles are removed with normal iron set to silk.
 
Guys there is one problem I faced when I flew it. When I hit the ailerons, it turns very lazily. Is it to do with the size of winglet? Should I decrease the height of winglet. please advise.

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« Reply #8 on: March 15, 2011, 11:17:17 AM »
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@foamy i think size of aileron is too small to deflect enough amount of air! according to basics in coventional aircraft if you are using strip aileron than size should be 1/8 of chord ! and for conventional (out board aileron) it should be 1/4 of chord ! for quicker response you need to increase throw!
in your case its purely swept back wing  (delta wing ) try to use 1/6th of chord it should work! hope that helps!
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« Reply #9 on: March 25, 2016, 12:24:19 PM »
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Detail of motor, prop and wing dimension?
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