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« on: July 02, 2015, 11:28:33 PM »
learner
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Hi All,

I new to this hobby and while going thru some excellent tech talks posted by Iyer sir I came across the very basic question " How does the plane fly?"

Is it the aerofoil shape or the propulsion system?

i am asking this becasue in some very basic models I have seen flat wings with some dihedral.

Would like to hear from all of you in order to understand this phenomena properly

thanks
Learner
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« Reply #1 on: July 02, 2015, 11:44:21 PM »
harshit batra
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In aerofoils lift is produced due to the production of high and low
Pressure area  it shape is such that it enable the flow of wind to be faster than bottom due to which a high pressure are is created beneath the wing due to which it creates lift.
And wing which have no aerofoil creates lift because they are placed at some angle with the direction of flight of plane due to which air is pushed downward when plane is pushed or pulled by motor as a result wing is also pushed upward and creates lift
The wing with aerofoil shape also have some angle of attack
And dihedral is only for roll stability of plane it does help in creatin lift
Seniors pls correct if wrong
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« Reply #2 on: July 02, 2015, 11:58:56 PM »
K K Iyer
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Deleted.
Sorry to have spoilt your thread...
« Last Edit: July 03, 2015, 03:01:57 PM by K K Iyer » Logged
 

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« Reply #3 on: July 03, 2015, 02:27:07 AM »
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http://i60.tinypic.com/2141ncz.gif
How does a Plane fly?
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« Reply #4 on: July 03, 2015, 06:58:52 AM »
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Hello sir.....

      May be this might help.... Hope u know how an kite flies....kites dont have any propulsion system so they backwards.... Planes have a propulsion system that can overcome the drag created.... So it moves forward....


Iyer sir pls correct.me.if I am wrong
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« Reply #5 on: July 03, 2015, 11:16:57 AM »
K K Iyer
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« Reply #6 on: July 03, 2015, 11:37:18 AM »
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And I saw Iyer sir flying on a broomstick last Sunday  ROFL
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« Reply #7 on: July 03, 2015, 11:37:28 AM »
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@iyer sir.....
    
        Without propulsion nothing moves forward...Huh??
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« Reply #8 on: July 03, 2015, 12:46:22 PM »
Devanesan Andrews
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That magic is known as lift
lift_formula_details.jpg
Re: How does a Plane fly?
* lift_formula_details.jpg (9.87 KB, 332x191 - viewed 539 times.)
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« Reply #9 on: July 03, 2015, 12:56:24 PM »
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« Reply #10 on: July 03, 2015, 01:40:56 PM »
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Quote from: Devanesan Andrews on July 03, 2015, 11:37:28 AM
@iyer sir.....
   
        Without propulsion nothing moves forward...Huh??

Some magical rocket emitting gases there... Tongue
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« Reply #11 on: July 03, 2015, 07:28:05 PM »
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its balance of four forces of flight   Wink
airplaneWEWE.jpg
Re: How does a Plane fly?
* airplaneWEWE.jpg (27.52 KB, 500x406 - viewed 472 times.)
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EAT ,SLEEP , FLY
 

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« Reply #12 on: July 03, 2015, 07:52:11 PM »
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Retreat, Hell!
Quote from: K K Iyer on July 02, 2015, 11:58:56 PM
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Sorry to have spoilt your thread...

Iyer sir, I loved that video! Please put it back!
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« Reply #13 on: July 03, 2015, 11:05:07 PM »
K K Iyer
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@swapnil,
Thanks.
I suspect my jokes often get misunderstood...
Deleted my posts so that i do not offend people who perhaps know far more than me.
Replied by PM, to avoid hijacking this thread.
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« Reply #14 on: July 04, 2015, 04:57:33 PM »
shobhit17
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Nice thread..... new and great education for me...... go on please
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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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