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« Reply #25 on: August 07, 2014, 07:58:44 PM »
shobhit17
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Well.... I dod not mean what u understood of it... Its absurd if u say that sweep and taper at the tips will reduce stall speed.... for all I know of flying.  There are far too many other things which help in reducing stall speed.... and provide better handling and control
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Well I been into aeromodelling since I was in School....  and then been in the air for over 30 years.  Now looking to be back into aeromodelling full time...
 

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« Reply #26 on: August 07, 2014, 08:04:37 PM »
miginstruments
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well first of all pardon me I mentioned ashmid instead of Shobit. then I was referring to the sentence keeping my fingers cross, not tapering. n moreover he has honestly mentioned tat he saw it over internet. so lets C wat happens.
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« Reply #27 on: August 07, 2014, 09:05:29 PM »
K K Iyer
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Well.... I am at a loss as how people decide on what is good for flying and what not.... Despite knowing my aerodynamics well enough I am still at a loss of a lot of things.... These people I am sure must be knowing much better than me when they say highly scientific things like " I think the tapering given to the wing will reduce the stall speed to some extent, that's what i read online, anyway keeping my fingers crossed"....... Well I am sure people or many many people will be keeping their fingers crossed....

Well hope this unsolicited advice or comment does not hurt anyone......

@RCRandD
Shobit17 may or may not be a mech/aero engr.
But i understand he has been in aeromodelling at least 30 years.
You may be surprised when you find out what his profession is!

Could you give a little thought to what he is trying to tell you?

My suggestion for your consideration:
a little more research before development
Regards.

Edit
RCRandD is a very good handle!
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« Reply #28 on: August 07, 2014, 09:23:57 PM »
wingmanbunty
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 Cheesy Roll Eyes
« Last Edit: August 07, 2014, 09:40:25 PM by wingmanbunty » Logged

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« Reply #29 on: August 07, 2014, 10:23:08 PM »
miginstruments
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Guys n Seniors plz dont take those things so seriously we are here to learn n help each other. RD consider those valuable suggestions.
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« Reply #30 on: August 10, 2014, 12:54:33 PM »
shobhit17
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KK Sir..... thanks for the kind words....  Yes the profession of Aviation have been a great help for me in understanding the hobby.  The more I read of it as a young lad... the more it helped me develop.  The most important chapters are Lift and Drag, Stalling, Turns and Spins and off course Lift Augmentation.....  If our friends out here will read these chapters online with  more  care.... it will solve most of their problems and they will not need to ask most questions which are being asked here.  Aerodynamics has molded my life since I was small and started to read about it.  The more I read of it, the more it surprised me...... till I completed my training at the Test Pilot School to be just a few amongst many of us who wear their wings.  Yes aerodynamics been the bread and butter for me........ and my life.

OK for all you guys out there....

I made this model recently which has a span of 3.7 feet and flies like a beauty.  It does all possible aeros which can be done by a flat cambered aerofoil.  It does go inverted by with a lot of elevator.....  Here is the plan.  Take it to a poster making guy (the ones who make flex sheet posters in your town) and ask him to enlarge the plan as you want.  I used normal semi HD thermocol to make this model.  GO ahead and make it. 

Best wishes and Happy Landing.

3200.jpg
Re: Will be selling RC plane Built Kits estimated price below 700/- Rs
* 3200.jpg (49.79 KB, 640x480 - viewed 906 times.)
« Last Edit: August 10, 2014, 01:11:38 PM by shobhit17 » Logged

Well I been into aeromodelling since I was in School....  and then been in the air for over 30 years.  Now looking to be back into aeromodelling full time...
 

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« Reply #31 on: August 10, 2014, 01:14:29 PM »
ponappa
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Interesting putting an aircraft up for sale even before a Test Flight, sorting out the problems and then bringing out an improved version ...  Theres no pictures with the plane in flight.
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« Reply #32 on: August 10, 2014, 01:17:36 PM »
ponappa
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Shobhit, nice plan but cant download and print it because the uploaded image is a low res jpg image.
Woud appreciate a copy of the plan. Thanks
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« Reply #33 on: August 10, 2014, 02:06:33 PM »
shobhit17
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Well.... thats all I have Ponappa.  You can take the soft copy of this to the printer guy.  even if the outlines are .5 cm thick it does not matter... use the inner lines or the outer lines to make your templates.   I used the outer lines. 

Best wishes
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Well I been into aeromodelling since I was in School....  and then been in the air for over 30 years.  Now looking to be back into aeromodelling full time...
 

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« Reply #34 on: August 10, 2014, 03:30:08 PM »
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@ponappa
little search on google revealed this page
http://www.outerzone.co.uk/download_this_plan.asp?ID=3200
http://www.outerzone.co.uk/plan_files_03/3200/Alize.pdf
Hope this helps you.
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« Reply #35 on: August 10, 2014, 03:59:08 PM »
wingmanbunty
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thanks for research rcparkjets . Clap
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« Reply #36 on: August 11, 2014, 12:17:11 PM »
ponappa
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Thanks Rcparkjets. Will work on this on Coreldraw to scale on any size and upload soon.
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« Reply #37 on: October 23, 2014, 11:13:56 AM »
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Sorry for the delay guys, was busy with exams and stuff, after 1st test flight, will make some slight modifications to this design and hopefully will finalize it, on the other side, i'm also working on super beginner design economic series, watch out for it!! Happy and safe diwali to all !! 
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« Reply #38 on: October 23, 2014, 11:51:25 AM »
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under chamber wing is the key, for low stall speed (one among many keys)   
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« Reply #39 on: October 23, 2014, 11:54:52 AM »
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@shobhit17  I did some more survey under chamber wings is the main key!! for low stall speed !!  
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« Reply #40 on: October 23, 2014, 11:55:46 AM »
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@miginstruments   thanks for all the info guys, really appreciate it !!  Guys do you know any good isolated open space in bangalore to test fly, with a proper run way , pls let me know !! Thank you in advance
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« Reply #41 on: October 23, 2014, 12:00:47 PM »
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@K K Iyer  yes yes yes, i will take all your suggestions into considerations!! let the suggestions rain !! Smiley Smiley I will incorporate all your suggestions into my design !! Thank you
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« Reply #42 on: October 23, 2014, 12:04:35 PM »
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@miginstruments  yes, my idea here is to create a very good flying experience in the most economic way possible, and to get as many people possible into this hobby. pardon my english   
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« Reply #43 on: October 23, 2014, 12:22:02 PM »
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@shobhit17 whoa  Salute , really appreciate your support sir!! I have like thousands of questions, i think i will inbox them to you, pls find some time to answer them all.. I assume you work for HAL or DRDO ,.. It would be really helpful if you let us know which CAED tools you use to estimate lift, drag and .... I'm familiar with catiav5, hypermesh, ansys,  the modelling part can be done on catia, which software can i use to do the analysis part! Thank you for all your support and response, really appreciate it, i'm eagerly waiting for your reply !!  Hats Off     
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« Reply #44 on: October 23, 2014, 12:25:08 PM »
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@ponappa  better than pictures , i will upload video. these exams are killing me, no time, to be frank i'm running out of pocket money too ,.. i'm dumping all my money on whey protein  Bang Head , .. don't give up on me yet, i dono when , but i'm gonna surely makeit/upload  .. soon !!
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