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PhysicsForums Why does an airplane perform a loop?  
02:20 7-Mar-07   [Replies: 5, Views: 260]    By: Unnamed
Dear all, I'm a RC-airplane pilot with basic understanding of physics. Recently I've been studying basic aerodynamics and I think I understand the basics. However, I don't entirely understand...
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PhysicsForums thread torque specs  
02:20 7-Mar-07   [Replies: 3, Views: 141]    By: Unnamed
Hi -- Does anyone have torque recommendations for a 3/4-14 NPSM thread for S.S. and Aluminum? Thanks! Eric...
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Noeman GSM Mazda's Latest Wild Concept: Hakaze  
20:51 6-Mar-07   [Replies: 0, Views: 60]    By: lehal13
This mazda hakaze can't be explained in words, just look at these pictures below. ...
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Noeman GSM Bugatti supercar is left a wreck  
12:33 6-Mar-07   [Replies: 1, Views: 74]    By: Unnamed
OH Buga! A supercar worth £830,000 is loaded on to a truck after the world’s costliest road crash. The sleek Bugatti Veyron — one of only a dozen in the UK — was wrecked in a smash in pouring r...
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PhysicsForums Cycles in U-Joints  
02:10 6-Mar-07   [Replies: 0, Views: 104]    By: Unnamed
looking at http://en.wikipedia.org/wiki/Image:U...nput_speed.png [http://en.wikipedia.org/wiki/Image:Universal_joint_-_output_speed_relative_to_input_speed.png]> shouldn't the x-over point of 1 be ...
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PhysicsForums The Vortex doubt  
00:10 6-Mar-07   [Replies: 1, Views: 82]    By: Unnamed
Hey folks...... I am goin nuts with this vortex thing. plz somebody help me plzzzzzzzzzzzzzzz my doubts 1.whats bound vortex? 2.Whats horse shoe vortex? 3.Whats free and forced vortex? 4.What...
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PhysicsForums Non-dimensionalization  
00:00 6-Mar-07   [Replies: 0, Views: 78]    By: Unnamed
In non-dimensionalizing the N-S equations, are the choices of the characteristic variable important? I am currently reading the Stokes approximation to the N-S equation and find two versions of Stokes...
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Noeman GSM chrysler  
18:56 5-Mar-07   [Replies: 0, Views: 41]    By: lehal13
2007 Chrysler Crossfire Coupe Standard MSRP $30,070 * 3.2 liter V6 engine with 215 hp and 229 lb-ft. of torque * Art Deco meets techno in the exterior and interior styling ...
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PhysicsForums Degree of Freedom, help me please…  
02:19 5-Mar-07   [Replies: 1, Views: 83]    By: Unnamed
Hi everyone, I am a newbie here. Can you tell me what would the best definition of DEGREE OF REEDOM be?...
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PhysicsForums Fluid Dynamic: Stokeslet? Rotlet?  
02:19 4-Mar-07   [Replies: 16, Views: 364]    By: Unnamed
Can anyone explain what stroketlet and rotlet physically mean? Also, I find two forms of strokes equation in different literature, one with the partial derivative of velocity w.r.t. time while anothe...
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PhysicsForums clutch design  
02:18 4-Mar-07   [Replies: 0, Views: 84]    By: Unnamed
hello i'm in my first yr of mech eng and i have to deisgn a clutch system in a car. i've gotten all the main formulas for the time required for a clutching operation, energy dissipation and change i...
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PhysicsForums Entering a Masters program in Aerospace Engineering  
02:09 4-Mar-07   [Replies: 1, Views: 118]    By: Unnamed
Hello people, I am a physics major in Canada, and I was just wondering if its possible to make the switch to aerospace engineering after doing a bachelor's in physics. Will I just have to take a coup...
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PhysicsForums finite difference method  
00:53 4-Mar-07   [Replies: 3, Views: 228]    By: Unnamed
I am curious to know if anyone has a program that will solve for 2-D Transient finite difference I have an assignment in a heat transfer class and I am supposed to use Matlab to solve for this. The go...
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PhysicsForums Where Can i Get Basic aircraft Maintenance BOOK  
02:19 3-Mar-07   [Replies: 2, Views: 104]    By: Unnamed
I am new here and i am so glad to be member here i am new graduates from aeronautical academy and hope to get work in any airline in the world (need fresh graduation) but most of the airlines need ...
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PhysicsForums Helicopter downwash force  
04:29 2-Mar-07   [Replies: 6, Views: 464]    By: Unnamed
Does anyone know how to calculate how much downwards force a helicopter would exert on the roof of a house if it hovered over it at 700ft? Thanks...
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PhysicsForums HELP: self-locking nut run-on torque check  
04:25 2-Mar-07   [Replies: 6, Views: 326]    By: Unnamed
Hi, i would like to the correct method for self locking nut run-on torque check procedure. are we going to measure the torque to overcome friction for nut to move when 1)Fully engage which mean certai...
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PhysicsForums car jack question  
04:11 2-Mar-07   [Replies: 3, Views: 134]    By: Unnamed
hi, i am designing an electrical car jack, my question is before i choose the proper electric motor, how do i calculate the torque require to lift the load, let say 100kg....
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Noeman GSM cosworth  
09:28 1-Mar-07   [Replies: 0, Views: 47]    By: Unnamed
who thinks the cosworth is cool ? ...
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PhysicsForums Heat dissipation between brake Pad and Disc  
04:26 1-Mar-07   [Replies: 8, Views: 265]    By: Unnamed
I have begun modelling a basic braking system in Simulink/Matlab for my final year project. The model is designed from the time force is exerted to the pedal at a particular velocity, to when heat is ...
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PhysicsForums modeling problem  
04:10 1-Mar-07   [Replies: 4, Views: 205]    By: Unnamed
Hope this finds you well... i am having a problem analyzing a simple model that consists of 2 rectangles intersecting. the creation of the rectangles, material definition, BC, loading conditions......
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Noeman GSM 2009 Chevrolet Camaro Conevrtible concept  
16:54 28-Feb-07   [Replies: 7, Views: 151]    By: Unnamed
2009 Chevrolet Camaro Conevrtible concept ...
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Noeman GSM The most expensive abd Precious 10 cars in the world  
16:44 28-Feb-07   [Replies: 4, Views: 115]    By: Unnamed
Today, I am pleased to present to you the most precious and expensive of 10 cars in the world Bugatti Veyron 16.4 - France - $1,192,057 Pagani Zonda Roadster F C12S 7.3, Clubsport version- Ita...
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PhysicsForums k epsilon turbuence modelling in FEMLAB  
04:26 28-Feb-07   [Replies: 0, Views: 76]    By: Unnamed
Please can someone help me with the formulation of the k epsilon model as shown in the FEMLAB Chemical Engineering Module hand book? What I want to know is, Why is C_{\epsilon1}=0.1256 here when al...
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PhysicsForums Quick questions about Area-Velocity relation  
04:23 28-Feb-07   [Replies: 4, Views: 152]    By: Unnamed
Is it valid for real gases? My initial thought would be no, since the derivation is based on the assumption that the flow is isentropic. Is it valid for square ducts?...
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Noeman GSM Cars in my home town  
13:03 27-Feb-07   [Replies: 5, Views: 65]    By: lboz
all in Birmingham UK ...
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