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IL-2 Sturmovik: Cliffs of Dover Latest instalment in the acclaimed IL-2 Sturmovik series from award-winning developer Maddox Games.

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  #1  
Old 09-22-2012, 02:31 PM
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raaaid raaaid is offline
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Default does a twin engine lose its gyroscopic properties of inertia?

once in a physics forum from which now im permabanned i was brought down an argument which would violate conservation of moment by the main thinking head of the forum on the basis that two counterotating gyros as can be a planes lose their increased resistance to spin since theyre counter rotating

i feel he scammed as ive seen him lying another time not to disprove certain dogma

so my question:

a two propeller plane offers the same resistance to yaw when at full revolutions that when stopped?
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Old 09-22-2012, 02:42 PM
69iAF~Mike 69iAF~Mike is offline
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What, you mean this?
http://en.wikipedia.org/wiki/Counter...ing_propellers
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  #3  
Old 09-22-2012, 02:46 PM
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raaaid raaaid is offline
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really that doesnt answer my question

precesions certainly eliminated, but what about inertia, that is resistance to yaw?

edit:

well this proves that guy right:



edit:

here creating huge momentum from zero just as the universe does, hey but you can destroy momentum two if you go from to to one:

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Last edited by raaaid; 09-22-2012 at 03:09 PM.
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Old 09-22-2012, 11:55 PM
Hood Hood is offline
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Quote:
Originally Posted by raaaid View Post
edit:

here creating huge momentum from zero just as the universe does, hey but you can destroy momentum two if you go from to to one:

And here we have another typical Raaaid thread. First the question, which isn't really a question anyway as it's half-baked, that has apparently already been discussed, so there is no point in discussing it.

Secondly, and more importantly, someone replies giving him a BS excuse for posting a youtube clip and some crappy drawing that doesn't mean anything, plus some mystic-scientific babble that is more written diarrhoea.

SSDD sums it up.

Hood
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Old 09-23-2012, 03:48 PM
Verhängnis Verhängnis is offline
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He doesn't even understand his own question lol.

Inertia is the tendency to resist change in motion, as described by Newton. He is referring to torque, which doesn't affect yaw, but affects roll due to the third law of motion that every action has an equal and opposite reaction; hence a prop spinning left will make the aircraft roll right.
When a prop affects yaw, this is the corkscrew slipstream effect, of which is corrected by angling the keel on some aircraft.

And a diagram just to help you:





But, counter-rotating and contra-rotating (to some extent) cancel out these effects, at least under my understanding of physics.
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Old 09-23-2012, 04:58 PM
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conservation of angular momentum debunked:

you are in a bimotor with both propellers at full revolutions:

total monetum zero since they conter rotate

now you aim the right propeller to the right and the left propeller to the left

now you HAVE CREATED a huge angular momentum

science is a lie, bernuilli, friction, conservation of momentum, relativity..., the new church whose dogmas hide free energy or time travel
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Old 09-23-2012, 10:36 PM
DairyAir DairyAir is offline
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Sir

With all due respect!

You might want to talk to your Physician, I believe that your medication might not be effective.

Quote:
Originally Posted by raaaid View Post
conservation of angular momentum debunked:

you are in a bimotor with both propellers at full revolutions:

total monetum zero since they conter rotate

now you aim the right propeller to the right and the left propeller to the left

now you HAVE CREATED a huge angular momentum

science is a lie, bernuilli, friction, conservation of momentum, relativity..., the new church whose dogmas hide free energy or time travel
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  #8  
Old 09-23-2012, 11:31 PM
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ACE-OF-ACES ACE-OF-ACES is offline
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Quote:
Originally Posted by raaaid View Post
once in a physics forum from which now im permabanned i was brought down an argument which would violate conservation of moment by the main thinking head of the forum on the basis that two counterotating gyros as can be a planes lose their increased resistance to spin since theyre counter rotating

i feel he scammed as ive seen him lying another time not to disprove certain dogma

so my question:

a two propeller plane offers the same resistance to yaw when at full revolutions that when stopped?
I think it is time for 1C to provide raaaid his own sub section in this forum..

The only question is what should 1C call it?

I have a few ideas..

1) Hair Club for Men
2) Black Hole
3) Warning time spent here will be a waste of time

Anyone else got any ideas as to what to call it?

Maybe we should start a poll on this?
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  #9  
Old 09-24-2012, 07:29 AM
hiro hiro is offline
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http://www.youtube.com/user/minuteph...&view=0&page=2



BAM!
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  #10  
Old 09-24-2012, 01:41 PM
Sternjaeger II Sternjaeger II is offline
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can we ban this muppet for good please?!

Last edited by Sternjaeger II; 09-24-2012 at 02:27 PM.
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