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foamy glider dan pylon racer nih

Posted: 24 Aug 2015, 11:02
by iwan21
udah lama enggak bikin armada baru, sekali bikin malah dua hehehehhehe

satu2 deh stepnya dimunculin

Re: foamy glider dan pylon racer nih

Posted: 24 Aug 2015, 11:07
by iwan21
I. Glider Foam
muncul ide bikin karena liat kondisi cibeureum anginnya kenceng, enggak mungkin bawa yg mini2 apalagi yg mikro

spek :
wingspan 120cm ( sayap stok lama , tinggal modif jadi multihedral)
fuse 90 cm
motor , versi pertama pake brushless Hextronik 24 gram/1500 kv, prop folding 6x3
kontrol 3 ch , R, E, T

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Re: foamy glider dan pylon racer nih

Posted: 24 Aug 2015, 11:08
by iwan21
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Re: foamy glider dan pylon racer nih

Posted: 24 Aug 2015, 11:12
by iwan21
Saat test, susah dapet CG karena motornya terlalu ringan, batere udah paling depan 2 biji 2s/1800 mah tetep tail heavy.

akhirnya bongkar lagi, ganti motor brushed 400 ex WD, baru CG bisa pas

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test terbang udah ok, glide ok, glide ratio lumayan jauh (mungkin 1:10 kali sebab landing aja jauh banget berentinya)
cuman satu yg masih belom dicek, belok ke kiri responsif, ke kanan lemot bahkan kalo headwind enggak mau kekanan padahal rudder lumayan gede.

nanti mau coba lagi dicari tau kenapanya

(maaf foto terbang belom ada)

Re: foamy glider dan pylon racer nih

Posted: 24 Aug 2015, 11:18
by iwan21
II. iseng2 nyoba pikin pylon race plane
model gabungan slipso dan stinger hehehehehehe

wingspan 92cm
fuse 76cm
motor adanya A2830-4000 kv ( agak ngeri, pake prop APC 4,1x4,1 full throttle narik 39 Ampere, padahal motornya kelas 250 Watt, kalo enggak hati2 main throttle bisa hangus nih motornya)

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bikin fuse dulu

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Re: foamy glider dan pylon racer nih

Posted: 24 Aug 2015, 11:20
by iwan21
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Re: foamy glider dan pylon racer nih

Posted: 24 Aug 2015, 11:22
by iwan21
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heatsink ESC di expos keluar supaya kena angin, motor juga dikasih lubang buat pendinginan

Re: foamy glider dan pylon racer nih

Posted: 24 Aug 2015, 11:25
by iwan21
lanjut ke sayap

gambar pola di polyfoam 3mm
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spar spruce 3x5mm ditambah polyfam 5mm, total tebel spar 8mm
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sayap dilipet dan dilem, nunggu sampe bener2 lem kering batu lakban dibuka
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Re: foamy glider dan pylon racer nih

Posted: 24 Aug 2015, 11:28
by iwan21
aileron dipotong, dikasih warna supaya enggak ketuker atas bawah ( karena bikinnya 16-17 Agustus, maka wananya merah-putih merdeka !!!!)

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Re: foamy glider dan pylon racer nih

Posted: 24 Aug 2015, 11:29
by iwan21
siap test, AUW dg lipo 3s/2200 mah = 550 gram

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