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« Reply #100 on: February 19, 2013, 11:45:47 PM »
shivela39
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Tail part is ready. Since 2mm coro seems to be light I have doubled the thickness in tail part.

20130219_231542.jpg
Re: Home made coro trainer plane 50" span
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« Reply #101 on: February 19, 2013, 11:52:11 PM »
shivela39
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And the new fuse. Aluminium tube of 1/4 inch.

20130219_231802.jpg
Re: Home made coro trainer plane 50" span
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« Reply #102 on: February 19, 2013, 11:56:51 PM »
shivela39
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And the new wing. This time I have made stiff with 10mm rib inside.

20130219_231628.jpg
Re: Home made coro trainer plane 50" span
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« Reply #103 on: February 20, 2013, 12:00:50 AM »
shivela39
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I dont know why attached pictures are rotated by 90deg Head Scratching Head Scratching Head Scratching Head Scratching
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« Reply #104 on: February 20, 2013, 06:11:50 AM »
cheluvaraj
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Looks like it not supporting the vertical one. Application is rotating the image by 90' to maintain a format. just try and take horizontal ones for upload.

Anyway there has been a very good progress with trainer plane. well done.

cheluvaraj 
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« Reply #105 on: February 20, 2013, 06:17:36 AM »
arun.sreelakam
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@shivela: man it looks really cool.. very clean build...
 And nice progress.. Make it fly asp...  Clap Clap Clap Clap
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« Reply #106 on: February 20, 2013, 10:03:56 AM »
shivela39
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Thanks arun &cheluvaraj

Arun, wing position starts from 5 inch from the front as per pdf.

Should I measure from motor mount or from prop.
Motor length is 2 inchs which I have not noticed.

I have already placed the pod at 5inchs from motor base.
 Is that ok?
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« Reply #107 on: February 20, 2013, 10:18:15 AM »
arun.sreelakam
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Dont care about those 2" As the wings are movable we can move the wings later on to correct the CG...
As we are using coro the weights may vary respect to their foam... So continue your work.. CG can be adjusted later on and a glide test will make things more easier..
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« Reply #108 on: February 20, 2013, 10:42:42 AM »
rastsaurabh
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just a precaution it will be tail heavy... have scope of wing adjustment

2 sheets of coro on tail....!!!! Wink
« Last Edit: February 20, 2013, 10:52:44 AM by rastsaurabh » Logged
 

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« Reply #109 on: February 20, 2013, 11:01:29 AM »
arun.sreelakam
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Never be a problem for this plan.. As the lipo is mounting in the front end we can adjust that by moving the lipo.. More over another option is there to change the wing position.. So No need to worry about the tail heavy part right now..  Bow Bow
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« Reply #110 on: February 20, 2013, 11:20:29 AM »
shivela39
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Thanks team,

Initially i just thought of doing this.But afraid of losing stiffness in the fuse. 



May will try out after my successful flight.
any suggestions ?.....

wing_adj.jpg
Re: Home made coro trainer plane 50" span
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« Reply #111 on: February 20, 2013, 11:28:26 AM »
arun.sreelakam
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Why should you worry about the weight that much is it weighs too Much?  Head Scratching
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« Reply #112 on: February 20, 2013, 11:36:43 AM »
shivela39
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Weight status......

Fuse with POD                        ---- 80   grms
Wing                                     ---- 250 grms
Tail(Not sure)                          ---- 50   grms
Electronics                             ---- 210 grms
(with 3s 800mah Battery)
_________________________________________
Total                                    ---- 570 grms
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« Reply #113 on: February 20, 2013, 11:39:11 AM »
arun.sreelakam
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My setup was with 3s 2200mah...  >Cheesy
So dont worry about the weight that much.. making holes will be good to reduce weight but a crash may bend or broke the fuse faster.. Smiley
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« Reply #114 on: February 20, 2013, 11:53:33 AM »
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shiv . Arun is right , i laso made the same plane with coro. with 2200mah  lipo.  it flys great
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« Reply #115 on: February 20, 2013, 11:58:27 AM »
shivela39
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Thanks team,

Will continue the setup as it is.
Planing to complete the servo and motor mount today.
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« Reply #116 on: February 22, 2013, 02:46:26 PM »
shivela39
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Air frame almost ready.

Weight including electronics comes to 660gms Head Scratching Head Scratching Head Scratching

Arun
It that good? I think it is about 150gms high...

20130221_205751.jpg
Re: Home made coro trainer plane 50" span
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« Reply #117 on: February 22, 2013, 03:30:17 PM »
arun.sreelakam
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hey looks good.. weight is okay.. its 2200 mah right?
any way looking for the maiden soon... Smiley  Clap Clap
 
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« Reply #118 on: February 22, 2013, 03:35:18 PM »
shivela39
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No it is 800mah battery. That is my main worry.
2200mah will add 100gms more.....

I believe i took more care on tail part which caused 100gms more...and my new wing built another 100gms..

 
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« Reply #119 on: February 22, 2013, 03:41:25 PM »
arun.sreelakam
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No prob.. 660gms is okay we just want to correct the CG before maiden..  Install the electronics in the front end.. Which will make the cg come good..
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« Reply #120 on: March 05, 2013, 07:06:23 AM »
arun.sreelakam
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Shivela bhai what happend to the build?  Head Scratching Head Scratching
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« Reply #121 on: March 05, 2013, 01:31:27 PM »
shivela39
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Sorry Arun,

every thing kept ready.
Got heavily struck up with work..

Only Electronics to be installed... Trying to get some free time this week to complete.
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« Reply #122 on: January 03, 2014, 06:01:59 PM »
shin
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Hi,

Planning to build same, very nicely done. by both of you.. but really confused about wing tip dihedral angle.. is it attached seperately or bent from original wing design.. Please help//

 Help Me

Thanks
Shin
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« Reply #123 on: January 03, 2014, 06:46:46 PM »
arun.sreelakam
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It is bent from orginal wing see the attached pdf..
its easily understood from that..
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« Reply #124 on: January 04, 2014, 05:18:26 PM »
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Thanks Arun... Yes got pdf plan from link you mentioned  Salute

I finally got Coro sheets.. got 2 of them, but had to cut them in half and mentioned forum member so I have 4 sheets of 3x4 so as per plans mentioned I can make 2 incase of any mistakes.

sorry but one more question.. which direction is coro flutes facing for wings   Head Scratching

Thanks
Shin
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