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P-47D-25 Thunderbolt O incercare sau mai mult?

#151 Useril este offline   Jimmy 

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Postat 10 September 2006 - 06:20 PM

Salut!

Motorul....daca nu apar probleme... cel putin la primul zbor va fi un YS140 ( mi-l imprumuta Mugurel ),ca varianta ar fi magnum 108 daca reusesc sa-l scot la o greutate rezonabila.

Cu stima jimmy
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#152 Useril este offline   Jimmy 

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Postat 10 September 2006 - 06:28 PM

"Burtica" a iesit destul de bine....

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#153 Useril este offline   Jimmy 

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Postat 10 September 2006 - 06:30 PM

asa parca e o cucoana la4-5 luni @#!$%&*

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#154 Useril este offline   Jimmy 

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Postat 10 September 2006 - 06:33 PM

Inca n-am gasit un muzician sa-mi placa mai mult ca Mike Oldfield, dar mai caut. CORECT!
-----------------------------------------------------------------------------------------------------------------

vazut din fata parca mai arata cumva.....

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#155 Useril este offline   Jimmy 

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Postat 10 September 2006 - 06:34 PM

.............poate ar fi J.M.J.


o poza mai reusita cu bechia

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  • Fisier atasat  bech.jpg (40.3K)
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#156 Useril este offline   Skyspy 

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Postat 11 September 2006 - 04:23 PM

Pentru machetistii nostri ardeleni citeva poze:
Cockpit P-47

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A dracului dom-le cum se extinde si poluarea asta.
Deunazi desfac o conserva de sardine inauntru plin de ulei si pesti morti.
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#157 Useril este offline   Skyspy 

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Postat 11 September 2006 - 04:25 PM

Vizor vechi

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A dracului dom-le cum se extinde si poluarea asta.
Deunazi desfac o conserva de sardine inauntru plin de ulei si pesti morti.
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#158 Useril este offline   Skyspy 

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Postat 11 September 2006 - 04:26 PM

Vizor nou

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A dracului dom-le cum se extinde si poluarea asta.
Deunazi desfac o conserva de sardine inauntru plin de ulei si pesti morti.
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#159 Useril este offline   Skyspy 

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Postat 11 September 2006 - 04:29 PM

Pentru Mugurel ca sa nu mai deschid alt subiect :model de bechie rectractabila de la Mitsubíshi Zero Sen

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A dracului dom-le cum se extinde si poluarea asta.
Deunazi desfac o conserva de sardine inauntru plin de ulei si pesti morti.
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#160 Useril este offline   Skyspy 

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Postat 11 September 2006 - 04:31 PM

Poza

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A dracului dom-le cum se extinde si poluarea asta.
Deunazi desfac o conserva de sardine inauntru plin de ulei si pesti morti.
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#161 Useril este offline   Jimmy 

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Postat 11 September 2006 - 06:15 PM

BBBBBBBBBBRRRRRRRRRRRRRR

ma doare capul!

Om fi noi obsedati dar nici asa!

Multumiri pt. ajutor!

Cockp e gata bun/rau asta e!

Poate ma ajuti cu niste profile color sus/jos/st/dr
ti-as ramane profund dator!

Stima JIMMY
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#162 Useril este offline   Jimmy 

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Postat 29 September 2006 - 11:49 AM

Salut!

Printre picaturi am acoperit flapsurile......nu prea i-mi place cum au iesit....am facut doua gafe, care ma costa inca vreo doua zile de munca in plus!

Asta e!

Inerent,cand esti cu gandul aiurea!

Pana acum a mers totul destul de lin ,dar mai trebuiesc si deastea .

;)

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#163 Useril este offline   Jimmy 

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Postat 29 September 2006 - 11:51 AM

In schimb adaosul de pe "burtica" avanseaza bine...... ;)

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#164 Useril este offline   Jimmy 

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Postat 29 September 2006 - 11:53 AM

Capotajul.

Inca nu m-am hotarat, sa-l fac cutotu demontabil, sau numai partea de jos

............... ;) .................

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#165 Useril este offline   Jimmy 

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Postat 29 September 2006 - 11:57 AM

extradosul acoperit cu b de 1mm / flaps plin de clesti

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#166 Useril este offline   Jimmy 

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Postat 03 October 2006 - 06:38 PM

Salut!

Azi am reusit sa acopar intrados la aripa de P-u

Am folosit balsa de 1.5mm

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#167 Useril este offline   Jimmy 

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Postat 03 October 2006 - 06:39 PM

Aripa vazuta dinspre extrados

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#168 Useril este offline   Jimmy 

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Postat 03 October 2006 - 06:41 PM

...

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#169 Useril este offline   Jimmy 

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Postat 20 October 2006 - 07:36 PM

Salut!

Revin dupa aproape trei saptamani cu noutati.

Dupa ce am acoperit intradosul aripii,am decupat locasul trnului ,m-am apucat de comenzile flapsului si o chestie cam complicata: trenul cu mecanismele lui :D

La ora asta am fixat parghiile si servo flaps si le-am incercat.

Provizoriu sistemul functioneaza .

In privinta trenului treaba e mult mai complicata.... :)

La instalatia standard a trenului am adaugat inca un cilindru pentru actionarea bechiei ( puteam actiona si cu un servo, dar am dorit ca miscarea bechiei sa se faca cat mai lent...)

Pentru actionarea clapelor auxiliare ale trenului, incerc folosirea unui servo.

Problema a aparut in sincronizarea miscarii jambelor cu inchiderea/deschiderea clapelor.
Dupa ce am consultat mai multe pareri, am ajuns la schema finala.

Sper ca va functiona....

In prima faza voi face un banc de test, sa verific teoria......cu practica.

Intre timp mai astept vreo idee.....

in apropierea locasului trenului pe partea stanga varianta D-25 avea un far escamotabil :D

Poate reusesc sa-l fac.....escamotabil ( binenteles daca functioneaza esenta sistemului ;) ).

Pana atunci mai am front de lucru la fuselaj, comanda directiei si profundorului; parghii si balamale, trforaje etc.

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#170 Useril este offline   Jimmy 

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Postat 20 October 2006 - 07:46 PM

Pentru a nu avea probleme cu conturul locasului am dublat zona cu balsa ( balsa de 1.5 e destul de fragila ).Interiorul deocamdata e golas, va fi cosmetizat mult mai tarziu, DUPA primul zbor...reusit. ;)

Capacele vor fi din balsa intarita cu fibra, fara finisari.

Jambele provizorii vor fi din otel, daca totul merge bine, vor fi jambe scratch cu amortizoare. :)

Deocamdata nu invelesc extrados, pana nu rezolv cu ternul :D

Toate parghiile sunt din cablaj de circuite, dublu placat sau simplu.

Poza cu "orificiul" trenului:

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#171 Useril este offline   Jimmy 

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Postat 20 October 2006 - 07:50 PM

Actionarea flaps va fi facuta cu un singur servo de la mijlocul aripii, prin intermediul parghiilor cu furculite si triunghiuri din cablaj, folosind sarma de otel de 2.2mm.

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#172 Useril este offline   Jimmy 

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Postat 20 October 2006 - 08:08 PM

Tot ce exista in si pe model.....atarna la cantar.

Unul din cei mai mari dusmani ( al celor ce construiesc in special ) este GRASIMEA.
Cine spune ca o macheta POATE sa fie usoara ( si la propriu ) ? ;)

Fiecare detaliu adaugat, reprezinta GREUTATE in plus, indiferent ca e vorba de calitatea suprafetelor,complexitatea diferitelor subansamble, sau pur si simplu detaliile, ce de cele mai multe ori dau frumusete modelului ( incanta ochiul , si nu intotdeauna ajuta aerodinamica ). :)

Unul din lucrurile ce "trag" la cantar este si mecanismul trenului.

Cu toate ca majoritatea pieselor sunt din materiale usoare, insumate, reprezinta ,o masa ce trebuie luata in calcul ( daca se doreste escamotarea rotilor! ) iata inca un lucru ce tine de detaliile specifice machetelor ( binenteles cele ce AU trenul asa ).

Poza cu 'fiarele" din componenta trenului ( lipseste al doilea tren principal ):

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#173 Useril este offline   Jimmy 

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Postat 20 October 2006 - 08:19 PM

Si o ultima imagine de ansamblu cu aripa intreaga ( langa batranul Messer ).

Am incercat o comparatie intre forma celor doua avioane :) .

E ca si cand ai compara o sabie cu un topor ( sau satar mai degraba ).

Singurul lucru pozitiv la P-u e suprafata portanta mai mare la aceeasi anvergura si...........cam atat ;)

Incet ,incet vremea ne baga in casa.

Bucuria ................................................ constructorilor, si a obsedatilor de........................................................ calculatoare.

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#174 Useril este offline   RedBaron 

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Postat 21 October 2006 - 03:11 PM

as spune frumos dar imi e frica sa nu fie prea putin ...... si sa ma fugariti cu toporu' ....
Superb ... spor la lucru si sa il vedem in nori cat mai curand.... daca tot il terminati in iarna lasa-ti rotile si faceti-l cu sanie :D

Aceasta postare a fost editata de RedBaron: 21 October 2006 - 03:12 PM

KIT GUPPY
Ce e portanta? o floare ce se naste din viteza...
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#175 Useril este offline   Jimmy 

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Postat 22 October 2006 - 04:10 PM

Salut Ionut!

Promit sa fac o poza cu modelul in faza actuala ASAMBLAT ( fuse+aripa+ampenaje+capotaj+motor ) binenteles provizoriu.

Deocamdata mai am ceva de lucru la fuse si aripa SEPARAT.
Tre sa prind un moment ca jumatatea sa nu fie acasa!

A inceput sa faca alergie la modelele ASAMBLATE ce ocupa o gramada de spatiu prin casa!

Asa ca asamblez,pozez si..........din nou bucatele in magazie!

Bafta cu Wilga!

.........................JIMMY..................................................
......
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#176 Useril este offline   Jimmy 

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Postat 01 November 2006 - 08:30 PM

Salut!

Capacele trenului.

Deoarece forma aripii pe intrados nu e chiar plata, capacele trbuie si ele sa fie curbate,sa urmareasca profilul aripii.

pentru asta am realizat un sanvis din balsa si fibra de sticla ( pt. a nu-si schimba forma ). La flapsurile-radiator de la Me ,s-au torsionat, cu toate ca si acolo am folosit trei straturi de balsa, dar fara fibra dintre straturi.

Problema cea mare au fost....balamalele B)

Acestea nu au o forma oarecare,tocmai pentu a permite inchiderea si deschiderea, ocolind marginea compartimentului rotii.

Am pierdut o zi cu relizarea formei sablonului pentru balamale.

Am facut un test provizoriu, si sunt multumit cum functioneaza.....deocamdata.

De finisat , finisez numai piesele ce ulterior, dupa montare imi va fi greu sau imposibil sa le finisez ( slefuire,kit, etc. ).

Primul zbor il voi incerca FARA vopsea,inmatriculari, nituri sau alte dichisuri.

Nu mi-am propus un grafic.

Intre timp mai lucrez si la alte proiecte, deocamdata......pe hartie.

Oricum va urma un avion civil, dintre foarte putinele care imi plac.

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#177 Useril este offline   Jimmy 

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Postat 01 November 2006 - 08:33 PM

....... si interiorul B)

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#178 Useril este offline   Valteras 

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Postat 03 November 2006 - 08:48 AM

Jimmy obsedatule,

Cred ca stii filmul,
Dar io acum l-am vazut.
Se asculta musai cu sunet, ca sa vezi+auzi cum poa sa sune o macheta electrica...
Orice pas inainte e un shut in fund!
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#179 Useril este offline   pitts 

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Postat 03 November 2006 - 09:26 AM

.....ce machete electrica?????....AIA ELECTRICA???....ce drac de motor electric se aude asa pe un vant ca ala????......io cred ca shuguieshti coane Valteras!!! :(
No brain, no headache.....
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#180 Useril este offline   SILVIU66 

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Postat 03 November 2006 - 09:37 AM

are instalatie de surround 5.1 coane pitts!
si instalatie de fum.
flying is my life...
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