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« Reply #25 on: January 16, 2014, 07:49:51 PM »
utkarshg13
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I too used coroplast for wingspan and carbon fibre rod of 12mm square cross section. AUW of my model was approx. 500gm... Not above...
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« Reply #26 on: January 16, 2014, 07:52:54 PM »
manojswizera
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just my sujjestion.
you can add small 7 -8 inch dihedral, on both sides. That will increase the wing area, and will glide more. will also need less power, increase stability.
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« Reply #27 on: January 16, 2014, 07:53:36 PM »
khan007
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bro the coro board is so flexible so i used some wooden rods-taken from coconut plant -and the battery is 2200mah battery.the total aeroplane weight is around 700g
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« Reply #28 on: January 16, 2014, 07:59:59 PM »
khan007
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does that means i need to bend by fuselogue
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« Reply #29 on: January 16, 2014, 08:00:30 PM »
utkarshg13
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After adding these rods i am sure your wing would flutter... adding some dihedral would definitely give a good glide and adds to stability as well...  
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« Reply #30 on: January 16, 2014, 08:02:46 PM »
khan007
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how to add dihedral on my wings
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« Reply #31 on: January 16, 2014, 08:03:34 PM »
khan007
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i dont know anything about dihedral
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« Reply #32 on: January 16, 2014, 08:05:18 PM »
utkarshg13
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Adding a pic
DSCN1940.jpg
Re: prop size help
* DSCN1940.jpg (50.85 KB, 800x600 - viewed 583 times.)
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« Reply #33 on: January 16, 2014, 08:12:31 PM »
khan007
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nice
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« Reply #34 on: January 16, 2014, 08:16:03 PM »
utkarshg13
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I hope now its fine with you... This model flies very nicely... Thumbs Up
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« Reply #35 on: January 16, 2014, 08:17:12 PM »
docnayeem
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Re:
@utkarshg 13 ... I agree a poly dihedral will add to stability and will also decrease wing loading
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« Reply #36 on: January 16, 2014, 08:17:48 PM »
docnayeem
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Re:
Go ahead Mr. Khan ....
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« Reply #37 on: January 16, 2014, 08:19:45 PM »
docnayeem
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Re:
One more thing I would suggest is don't use coconut sticks ... Cf rods are ideal ... But if not use plastic electrical casing cover it works best and is light
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« Reply #38 on: January 16, 2014, 08:38:23 PM »
utkarshg13
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Plastic casings.... Thumbs Up Thumbs Up Thumbs Up good idea. Even i would use these...
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I think balsa sticks could also be used and are much cheap. Available on Rcbazaar...
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« Reply #39 on: January 17, 2014, 09:31:30 AM »
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Re:
Balsa sticks are expensive compared to these electrical casing ... One more thing which I use is pine wood sticks u can get those cut in 4 mm  and 6 mm from a saw mill if u have any close by ... Even those are light and tough ...
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« Reply #40 on: January 17, 2014, 10:29:25 AM »
Nithinraj Kotian
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or you can use light wooden corner beading's which are easily available in local hardware shop. Hats Off
flat beading.jpg
Re: prop size help
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« Reply #41 on: January 17, 2014, 10:39:47 AM »
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Re:
So back to your question mr khan .... If u can reduce the weight if not let's see about power config...
Let's say we give 1:1 thrust so we need around 800 gms  of thrust ... Let me see what u have ....
.
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« Reply #42 on: January 17, 2014, 10:43:10 AM »
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Quote from: khan007 on January 16, 2014, 08:02:46 PM
how to add dihedral on my wings
Cut 7 inch coro sheets with same chord as your wings. Take small 4 pieces of cycle spokes approx 5 cm. Bend them at an angle, you need for your dihedral.
insert the spoke in coro flute at the leading and trailing edge of your wing, fix it will CA.
put the other end in dihedral part of coro, fix again with CA.  

Call if u didn't get clear.
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« Reply #43 on: January 17, 2014, 10:44:22 AM »
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Re:
You have a 1450 kV motor I guess its emax and two cell ( please specify ) if its two cell then 8*4 prop that u have and this motor will hardly give y a thrust of around 500 gms ... Its is OK but might not be sufficient if its a 3 cell motor then we will get a thrust of 1.8 kgs  that's great enough ...
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« Reply #44 on: January 17, 2014, 02:08:00 PM »
rcrcnitesh
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which 1450kv motor Huh?
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« Reply #45 on: January 18, 2014, 12:41:42 AM »
khan007
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Mystery A2208-14 1450kv
Brushless Outrunner Motor
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