yak 54 primul meu acrobat

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yak 54 primul meu acrobat din polistiren balsa extrudat

#1 stelu82

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Postat 21 July 2012 - 09:48 AM

salutare tuturor am vazut multe aici pe forum si in acelasi timp am invatat muulte .
am decis sa fac si eu un acrobat din polistiren si voi incerca sa pun cat mai multe foto...

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#2 stelu82

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Postat 21 July 2012 - 09:50 AM

si altele...

.......

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#3 stelu82

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Postat 21 July 2012 - 09:56 AM

am reusit sa tai in fuselaj locul pt aripa fara sa ii fac deschidere de taiere

...

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#4 stelu82

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Postat 21 July 2012 - 10:00 AM

astept pareri chiar si comentarii din partea voastra tinand cont ca multi dintre voi sunteti adevarati maiestri bafta tuturor

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#5 pccdtk

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Postat 21 July 2012 - 10:08 AM

Arata foarte bine - sincer. Cum stai cu greutatea pana acum ? Cam la ce dimensiuni il construiesti ?

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#6 stelu82

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Postat 21 July 2012 - 10:18 AM

anvergura 152cm lungime 123cm greutate fuselaj in starea actuala 220g greutate aripi 210g

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#7 stelu82

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Postat 21 July 2012 - 10:19 AM

ce ziceti sal imbrac in balsa 1mm sau in folie intentionez sal motorizez electric nu vreau sa sar de1 kg

Aceasta postare a fost editata de stelu82: 21 July 2012 - 10:21 AM

Fly safe, have fun. Measure three times, cut once. The man who makes no mistakes does not usually make anything.

#8 stelu82

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Postat 21 July 2012 - 01:11 PM

si coada :)

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#9 stelu82

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Postat 21 July 2012 - 01:14 PM

scuze

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#10 stelu82

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Postat 21 July 2012 - 03:56 PM

siii aproape de final :yahoo: :)

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#11 stelu82

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Postat 21 July 2012 - 03:58 PM

momentan are 1000 grame fara tren si fara acumulator :)

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#12 stelu82

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Postat 21 July 2012 - 09:16 PM

sii sii a zburat :blush: :yahoo: mii de multumiri domnului Nae pt asistenta :drinks:

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#13 stelu82

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Postat 21 July 2012 - 09:18 PM

putin cam greu pt motorul care il am 1350g

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#14 stelu82

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Postat 21 July 2012 - 09:51 PM

si 2 poze dupa zbor :drinks:

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#15 stelu82

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Postat 21 July 2012 - 09:53 PM

din pacate motorul nu prea ma ajuta cred ca o sa remotorizez nu stiu ce as putea usura la el :drinks:

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#16 Dragos Avramescu

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Postat 22 July 2012 - 01:14 PM

la 152 cm anvergura, nu cred ca e nevoie sa-l usurezi. Cand l-am vazut din polistiren plin, m-am gandit ca o sa fie greu - dar nu este.
Cauta mai bine alt motor. Un yak de 1.5 metri poate sa aiba linistit 3-4 kg, deci daca il incadrezi in 2 e perfect.

#17 stelu82

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Postat 22 July 2012 - 09:11 PM

si cateva poze cu capota motor si maine poze cu el in zbor :clapping:

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#18 stelu82

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Postat 22 July 2012 - 09:49 PM

ca un scurt rezumat am fost foarte bine surprins de model intentionez sa il fac din extrudat adica putin mai rezistent si un pic mai mic profilul aripi cum e acum vine la aterizare ca un trainer si este foarte lent odata oprit motorul il aterizezi foarte usor nu imi9 dau seama daca il plachez cu balsa cam ce greutate ar avea :clapping:

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#19 pccdtk

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Postat 25 July 2012 - 08:11 PM

Din proprie experienta nu merita sa-l faci ( fuselajul ) din extrudat din cauza greutatii suplimentare . Mie mi se pare ca forma fuselajului din polistiren a iesit atat de bine incat daca ai "ingropa" baghete de pin in zonele in care apar eforturi ar fi de preferat . In plus eu as "rula" fasii de balsa de 1.5 mm pe fuselaj astfel incat sa-l pot infolia cu folie normala - de exemplu Coverfilm - 16 lei la "pasarea renascuta".

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#20 pccdtk

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Postat 25 July 2012 - 08:24 PM

Si daca nu ma crezi prea insistent - ti-as recomanda sa faci ampenajele si suprafetele de comanda din foi de depron de 3 mm laminate . Avantajul ar fi ca poti "ascunde" fasii de balsa sau de placaj in interior si astfel obtii la greutate substantial redusa ( ~ 1/3 ) aceeasi rezistenta structurala . E mai mult de munca insa merita . In plus daca pui fasii de balsa ( la BA BF - capete ) le poti si infolia .

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#21 stelu82

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Postat 26 July 2012 - 07:31 AM

mesci pt sfat am sa tin cont si cred ca o sal refac si da as vrea sal infoliez :blush:

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#22 stelu82

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Postat 26 July 2012 - 06:41 PM

am si eu o intrebare cu ce lipesc balsa de polistiren :pardon:

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#23 Mihai_supy

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Postat 26 July 2012 - 07:04 PM

aracetul e sfant. Unii au reusit cu Bison universal hobby. (poliuretanicul de la bizon merge sigur).

PS - Am vazut un planor facut din polistiren placat cu balsa. Lipirea s-a facut cu Bison universal hobby. Mai mult avea pe coada din polistiren pusa folie cu fierul direct pe polistiren!

Aceasta postare a fost editata de Mihai_supy: 26 July 2012 - 07:05 PM

#24 pccdtk

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Postat 26 July 2012 - 09:02 PM

stelu82, la 26 July 2012 - 06:41 PM, a spus:

am si eu o intrebare cu ce lipesc balsa de polistiren :pardon:

Eu folosesc "Adeziv de lemn Perfect G Express" de la phoenix . Face priza rapida si intr-o ora se poate si slefui . Se lipeste ok si pe unele tipuri de depron - insa de principiu merge pe orice polistiren sau extrudat , balsa , placaj etc.