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December 23, 2010

Wing Aspect Ratio

satu lg consideration bila org nak design plane. (comment kalu salah. please ...)

mende?

wing aspect ratio - nisbah panjang kepada lebar wing.

nisbah ni menentukan respon kapal kita pada roll axis. meaning pusing side to side. kalu slow stick xkan nak roll cam zagi kan?



camne kira?

aspect ratio = span/chord

@

aspect ratio = span x span / wing area

apa guna? ble la kita agak roll respons kapal kita tu. slow ka, laju ka. ni some numbers tuk consider:

less 3 - funfly

3-4 - combat, sport (fighter ar nih)

4-5 - sport

5-6 - trainer

more than 6 - glider

so nisbah makin tinggi, respon makin slow. as tuk corostick, kwn xnak slow sgt n xnak laju. kwn pilih range trainer. span 50" n chord 10" = 5. so just nice for smooth flight. so far kwn da justify wing loading (try wing loading post) ngan aspect ratio wing corostick kwn.

more to come.


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