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« on: July 19, 2011, 12:54:33 AM »
maserati
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this is my first attempt to build a rc plane.....i have got some pics of that......specifications are ---
lenght=63cms
wingspan=80cms.
pl people let me know what else is required to make it fly??
Picture 004.jpg
Help needed with getting my self built plane in the air
* Picture 004.jpg (49.19 KB, 800x600 - viewed 606 times.)
« Last Edit: July 19, 2011, 08:28:53 AM by anwar » Logged
ultra stick(electric),osh kosh,SPADET LC-40,coro piper cub 76".
 

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« Reply #1 on: July 19, 2011, 12:56:32 AM »
naatumach
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Vaibhav Sharma
you made this? what all did you consider before making it?
I did not understand what you mean by
Quote from: maserati on July 19, 2011, 12:54:33 AM
pl people let me know what else is required to make it fly??
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« Reply #2 on: July 19, 2011, 08:01:15 AM »
Swapnil
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Retreat, Hell!
Maserati, that bird looks odd man. By odd I mean the ratios of the dimensions of your plane (chord to nose, chord to tail etc). The horizontal and vertical stabilizers are too small as compared to the size (i.e area) of the wing.
Could you post pics of the plane from other angles and details of the power setup you are using?
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« Reply #3 on: July 19, 2011, 08:50:54 AM »
anwar
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Please use meaningful topic names for your topics, and not just "help needed".  A large percent of the topics here involve some looking for help, so that as a topic name would be too generic.

And +1 to Swapnil... please post more details on the plane, so that others can make valid inferences. 

Kudos for trying to build it yourself though ! Thumbs Up
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« Reply #4 on: July 19, 2011, 09:20:08 AM »
naatumach
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Vaibhav Sharma
in your thread
http://www.rcindia.org/electric-planes/help-with-selection-of-parts-for-beginner-plane/
Swapnil posted
Quote
Check this out, it should help you with designing:
http://adamone.rchomepage.com/design.htm
Even i posted
Quote
you could use these for reference
http://www.rcindia.org/self-designed-diy-and-college-projects/first-flight/
http://www.rcindia.org/electric-planes/build-log-model-2/
http://www.rcindia.org/electric-planes/build-log-yf-22/
I have tried to be as coherent as possible.

Did you use the info posted there to build the a/c?
« Last Edit: July 19, 2011, 09:36:04 AM by naatumach » Logged
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« Reply #5 on: July 19, 2011, 09:31:30 AM »
naatumach
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Vaibhav Sharma
You can also use the preflight tests
http://www.rcindia.org/wiki/Preflight_tests
i wrote that page if you have any confusion you can ask.
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« Reply #6 on: July 19, 2011, 10:15:47 AM »
bmanoj2
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Hey Great work as a first timer Clap. Do you have any one near you who fly ? Best thing is to get the help of a flier who can guide you to modify a little bit on the tail part and check th CG etc. All the best. Thumbs Up
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« Reply #7 on: July 19, 2011, 10:27:05 AM »
PankajC
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Nice work and great to see another 'builder'.

Anyway, as the folks are saying the dimensions do not appear correct. So in case you need assistance, do drop in at Noida field on Sunday and am sure we would be able to help

Pankaj
 
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« Reply #8 on: July 19, 2011, 11:36:33 AM »
maserati
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here are  some more pics.and thank you guys for your reply...
Picture 009.jpg
Re: Help needed with getting my self built plane in the air
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ultra stick(electric),osh kosh,SPADET LC-40,coro piper cub 76".
 

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« Reply #9 on: July 19, 2011, 11:43:09 AM »
naatumach
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Vaibhav Sharma
Good going...
Some more things to keep in mind-
Your control rods need to be straight and stiff.
You need to increase the size of the horizontal stabilizer and the elevator.
Where is your CG?
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Motto: build, fly, and modify.
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No pre-made plans. Use blueprints, make calculations, build, fly, troubleshoot, fly again.
 

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« Reply #10 on: July 19, 2011, 01:56:55 PM »
maserati
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please let me knw the correct method of finding CG of my plane?amd how to balance it?
thanks...
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ultra stick(electric),osh kosh,SPADET LC-40,coro piper cub 76".
 

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« Reply #11 on: July 19, 2011, 02:25:46 PM »
Swapnil
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Retreat, Hell!
Here's what I noticed:
1) The airfoil shape needs to be corrected (from what I can see in the 1st pic). Could you post a side view?
2) The wing seems to be drooping a bit.
3) I can't see any ailerons. Are you planning to add them later?

For determining CG, check this site out:
http://adamone.rchomepage.com/design.htm

It will also help you in correcting the dimensions of the horizontal and vertical stabilizers.
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« Reply #12 on: July 19, 2011, 02:41:33 PM »
maserati
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what can be done to keep the wings in straight position?
thanks
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ultra stick(electric),osh kosh,SPADET LC-40,coro piper cub 76".
 

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« Reply #13 on: July 19, 2011, 04:05:28 PM »
naatumach
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Just try to balance the a/c at a distance of 1/3rd chord from the leading edge.
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« Reply #14 on: July 19, 2011, 04:30:15 PM »
Swapnil
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Quote from: maserati on July 19, 2011, 02:41:33 PM
what can be done to keep the wings in straight position?
thanks
Use reinforcements like wooden spar, carbon fiber etc.
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« Reply #15 on: July 19, 2011, 06:08:11 PM »
naatumach
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Vaibhav Sharma
cycle spokes too can help sometimes
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« Reply #16 on: July 19, 2011, 06:35:09 PM »
maserati
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thnk you all for replyng...iwl fix it and wll post sm pics for ur further suggestion
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ultra stick(electric),osh kosh,SPADET LC-40,coro piper cub 76".
 

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« Reply #17 on: July 19, 2011, 06:38:49 PM »
maserati
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also can anyone let me knw whether i can get a readymade wing from anywhere?
thanks
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ultra stick(electric),osh kosh,SPADET LC-40,coro piper cub 76".
 

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« Reply #18 on: July 19, 2011, 06:55:58 PM »
Swapnil
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Readymade wing? Why don't you simply get an ARF instead?
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« Reply #19 on: July 19, 2011, 07:49:23 PM »
naatumach
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Vaibhav Sharma
lol
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No pre-made plans. Use blueprints, make calculations, build, fly, troubleshoot, fly again.
 

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« Reply #20 on: July 20, 2011, 01:35:22 PM »
maserati
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i have a eco six balance charger....i wanted to that,when i charged my lipo  with it giving it 12v 2amp  dc supply,there came an error on its screen.as a result my battery didnt charged...pl help
thanks
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ultra stick(electric),osh kosh,SPADET LC-40,coro piper cub 76".
 

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« Reply #21 on: July 20, 2011, 01:37:45 PM »
Swapnil
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Retreat, Hell!
Could you give details of battery?
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« Reply #22 on: July 20, 2011, 02:06:17 PM »
maserati
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it is zippy 20c 3cell  series and 1800mah.
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ultra stick(electric),osh kosh,SPADET LC-40,coro piper cub 76".
 

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« Reply #23 on: July 20, 2011, 02:13:34 PM »
sultan alam
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Nothing is Impossible except one, guess urself
I think there is a problem in your dc power supply.May be the output of ur dc supply is not sufficient to charge the battery.Try another dc power supply of 12v and higher than 2 amp.
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« Reply #24 on: July 20, 2011, 08:55:53 PM »
maserati
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here are 2 more pics...i have made some modifications.added dihedral angle to the wings..
im  nt able to attach tail wheel..dnt know what kind of wheel..websites are offering really costly ones..pl help..
thanks..
Picture 016.jpg
Re: Help needed with getting my self built plane in the air
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