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« Reply #50 on: July 10, 2017, 08:38:04 PM »
prabal276
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One step at a time :)



Is that propellor reversed?
And is that handmade?
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« Reply #51 on: July 10, 2017, 08:56:46 PM »
wingmanbunty
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yes prabal this is hand made propeller , it is made of mango wood and totally hand crafted by me, i had tested these propellers , it is not reversed as it seem from the picture. actually i am still working on these propellers they are not totally successful , first i am not able to maintain equal pitch on both side that's why they create some vibration and approx 50 grms of less thrust as compare to plastic props, i had flown my airplanes using these hand made props with success , i am improving , i want to use it in this model ,if all up weight of the airplane not exceed 250 grms. i want 1:1 thrust to weight . let's see how it goes......
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« Reply #52 on: July 10, 2017, 09:07:12 PM »
prabal276
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One step at a time :)



as i said, the piper cub is a very sensitive model to thrust and thrust angle.
mine was over powered and i gave 2 degree down thrust.
Even though that, all it wanted to do was to loop.
keep an 4 degree downthrust and use 50% throttle for maiden.
reduce elevator throws and add -ve expo
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« Reply #53 on: July 11, 2017, 08:53:32 AM »
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okay
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« Reply #54 on: July 11, 2017, 11:47:41 AM »
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@wingmanbunty

That is awesome project.   You have lots of patients and skill.   You made the whole wing by sanding it with hand and handmade propeller too, I am amazed.  I really appreciate your work.  Waiting for the maiden.
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« Reply #55 on: July 12, 2017, 09:40:40 PM »
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@swapnilnimbalkar

thanks sir  Hats Off.planning to maiden very soon.

paint job (lamination started.)
https://s1.postimg.org/pi2mf2w8v/fullsizeoutput_569.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.




 
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« Reply #56 on: July 12, 2017, 09:42:30 PM »
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https://s13.postimg.org/nhtftgxdz/image.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.

https://s9.postimg.org/wtz8v1se7/image.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.

https://s10.postimg.org/ge7lm6rq1/fedfr.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.
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« Reply #57 on: July 12, 2017, 09:44:31 PM »
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https://s1.postimg.org/d3819fuin/image.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.

https://s11.postimg.org/4r33amw2r/image.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.

https://s1.postimg.org/awaozrcr3/ertsrdfwer.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.
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« Reply #58 on: July 12, 2017, 09:46:27 PM »
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https://s11.postimg.org/x9kcljdv7/image.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.

https://s4.postimg.org/rza5sowil/image.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.

https://s1.postimg.org/ko8uqlej3/image.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.
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« Reply #59 on: July 12, 2017, 09:48:16 PM »
prabal276
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One step at a time :)



Nice going......
W8 ing for d maiden
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« Reply #60 on: July 12, 2017, 09:51:17 PM »
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https://s1.postimg.org/bx06p76rz/image.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.

https://s23.postimg.org/4tu1mevcr/a22.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.

https://s18.postimg.org/3u2qoec4p/a61.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.
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« Reply #61 on: July 12, 2017, 09:55:52 PM »
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@prabal

maiden, have some patients
hopefully Sunday.
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« Reply #62 on: July 12, 2017, 09:56:37 PM »
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All waight with all electronic and what is wing span
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« Reply #63 on: July 12, 2017, 09:59:38 PM »
prabal276
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One step at a time :)



I'm waiting.
Want to see your creation take to the skies......
 Smiley Smiley
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« Reply #64 on: July 12, 2017, 10:01:44 PM »
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prabal

hopefully .
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« Reply #65 on: July 12, 2017, 10:03:58 PM »
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@Kantesh

wing is about 32" as i had shown it in 1 st page of the build , all up weight is appx 300 grms. with everything battery esc , rx, motor , prop ,servo....
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« Reply #66 on: July 13, 2017, 07:17:45 AM »
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final adjustment for wings , angle of incidence, pitch of the propeller etc.
https://s9.postimg.org/ochq9gtu7/image.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.

https://s9.postimg.org/alw6l21wf/image.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.

https://s4.postimg.org/f3qgym2b1/rrr.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.
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« Reply #67 on: July 13, 2017, 07:19:47 AM »
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https://s11.postimg.org/rczv1hxoz/image.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.

https://s14.postimg.org/ww0ivpqv5/eee2.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.

https://s17.postimg.org/7v9e995gf/eeee2.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.
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« Reply #68 on: July 13, 2017, 07:22:31 AM »
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https://s21.postimg.org/6ke9ngt0n/ghgh.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.

https://s1.postimg.org/ak14nz9jj/dsdsds.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.

https://s2.postimg.org/g5cpbc1o9/image.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.
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« Reply #69 on: July 13, 2017, 07:32:12 AM »
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https://s18.postimg.org/ta8o4by9l/fvfvf.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.
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« Reply #70 on: July 13, 2017, 01:16:25 PM »
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 Hats Off Hats Off Hats Off
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« Reply #71 on: July 13, 2017, 02:16:52 PM »
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@unidrakeshrc

thanks
 
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« Reply #72 on: July 15, 2017, 05:16:09 PM »
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although the weight of the airplane is not calculated yet if airplane is over weight then in first flight i have to use plastic propeller , because i have to lift more weight and i need more thrust  , but on latter test i am definitely planning to use my home made wooden propeller in piper cub. here is quick look how these props are made.
https://s21.postimg.org/egsa7473b/image.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.

https://s11.postimg.org/epup21hpv/image.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.

https://s14.postimg.org/yo9flmckx/image.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.

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« Reply #73 on: July 15, 2017, 05:18:01 PM »
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https://s11.postimg.org/ogs8jr6hf/w45.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.

https://s14.postimg.org/9p9igvtip/image.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.

https://s11.postimg.org/onj8qpkn7/image.jpg
Piper cub using coro sheet , thermocol, wood, bamboo sticks.
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« Reply #74 on: July 15, 2017, 05:21:52 PM »
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« Last Edit: July 15, 2017, 05:33:35 PM by wingmanbunty » Logged

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