Factbites
 Where results make sense
About us   |   Why use us?   |   Reviews   |   PR   |   Contact us  

Topic: Meganewtons


  
  Piezoelectricity - Wikipedia, the free encyclopedia
Because the charges inside the crystal are separated, the applied voltage affects different points within the crystal differently, resulting in the distortion.
The bending forces generated by converse piezoelectricity are extremely high, of the order of tens of millions of pounds (tens of meganewtons), and usually cannot be constrained.
The only reason the force is usually not noticed is because it causes a displacement of the order of one billionth of an inch (a few nanometres).
en.wikipedia.org /wiki/Piezoelectricity   (1682 words)

  
 ch11-2   (Site not responding. Last check: 2007-11-04)
study the feasibility of a single-chamber engine with a thrust of 1.3 to 1.8 meganewtons (300 000-400 000 lb).
Rocketdyne designated this engine the E-1 and the same year announced that a singlechamber engine of 4.5 meganewtons (1 million lb of thrust) was also feasible.
A vehicle requirement for 22.3 meganewtons could be met in the same manner.
www.hq.nasa.gov /office/pao/History/SP-4404/ch11-2.htm   (305 words)

  
 Research Facilities-BFRL
With a capacity of 53.4 meganewtons and a height of 23.7 meters, it is one of the largest in the world.
The reaction buttress can resist horizontal forces up to 4.5 meganewtons from floor level to a height of 12.2 meters.
Tension specimens may be subjected to forces up to 26 meganewtons.
www.nist.gov /public_affairs/guide/research_facility_bfrl.htm   (2091 words)

  
 ch11-7   (Site not responding. Last check: 2007-11-04)
In late 1956, the Air Force's Scientific Advisory Board was even bolder and recommended studies of engines up to 22 meganewtons (5 million lb of thrust).
Shortly thereafter, responsibility for developing a large engine was transferred to NASA; in October, NASA opened the competition to other contractors and indicated a preference for 6.7 meganewtons (1.5 million lb of thrust).
Included was a vehicle with a thrust of 6.7 meganewtons.
www.hq.nasa.gov /office/pao/History/SP-4404/ch11-7.htm   (353 words)

  
 energia   (Site not responding. Last check: 2007-11-04)
The cancelled N-1 rocket-based Manned Lunar Launch Facilities and Infrastructure were used for Energiya.
The N-1 was capable of putting 95 metric tonnes into LEO and was powered by 30 Kuznetzov NK-15 engines developing 1,544 kilonewtons (kN) thrust each for a total of 46 meganewtons (MN) (10.2 million pounds), thus far exceeding the US Saturn V at 33 MN (7.5 million pounds) lift-off thrust.
It also replaced the "Vulkan Proton" concept, which was a design based on the Proton and using the same toxic hypergolic fuels, but much larger and more powerful.
www.yourencyclopedia.net /energia.html   (516 words)

  
 Strength of Materials   (Site not responding. Last check: 2007-11-04)
To think clearly about materials from a mechanical point of view, it is vital to distinguish between stress, strain, strength, stiffness, and toughness.
Stress is defined as load per unit area, measured in meganewtons per square metre.
Strain is the ratio of the change of length to the original length of a material under stress.
www.nous.org.uk /strength.html   (266 words)

  
 ISO376
Well known on the place, SENSY made sure that his range of reference load cells is in perfectly agreement with the new international ISO 376 norm.
Our reference load cells are deliverable in 4 different versions, ranging from nominal capacities of 100 Newtons (10 kg) up to 20 MegaNewtons (2.000 tons) in tension and/or compression.
They can be provided with an official calibration certificate according to the ISO 376 norm in all different accuracy classes, delivered by an accredited laboratory chosen by the customer.
www.iso376.com /ISO376_etalon_US.htm   (352 words)

  
 Permaban   (Site not responding. Last check: 2007-11-04)
As a penetrating adhesive, it is the recommended primer for non-porous surfaces and flooring concretes in excess of 55 Meganewtons per square metre compressive strength and particularly where broadcast toppings have been used which have been heavily power trowelled.
As a reinforcing primer, it is used as a pretreatment to stabilise friable surfaces such as dusting low strength flooring concretes of compressive strength below 20 Meganewtons per square metre, surface denatured concrete, cement and plaster.
As a chemical resistant sealer, it is used as the primer for mineral contaminated surfaces such as flooring concretes subjected to soluble hydroscopic alkaline salts through rising damp.
www.permaban.com /product_range/4_9.html   (850 words)

  
 Dense Plasma Focus - NSwiki, the NationStates encyclopedia   (Site not responding. Last check: 2007-11-04)
The DPF engine's main appeal, if this weren't enough, is it's compactness, taking up a mere ten cubic meters of volume.
For 400-6000 meganewtons of thrust, that's a lot of bang for a little buck; almost as much as the old 850 ton UltraFuze and similar MCF systems.
The DPF-400 can be operated by a watch of four engineers, and comes with it's own capacitors, generator and turbine.
ns.goobergunch.net /wiki/index.php/Dense_Plasma_Focus   (232 words)

  
 EELV: The Next Stage of Space Launch
The Atlas IIA featured a 3-meter-diameter pressure-stabilized booster tank powered by three liquid-oxygen/kerosene booster and sustainer engines producing 2.1 meganewtons of thrust at sea level.
This vehicle included the Russian-built RD-180 engine, which is also featured on Atlas V. Use of the RD-180 presented significant challenges for the government and Aerospace in conducting flight verification activities because access to the engine's design and test data was restricted.
The RS-27A provides only 0.9 meganewtons of thrust at sea level, so with a minimum gross liftoff mass greater than 100,000 kilograms (without solids), the Delta II requires strap-on solid rocket motors for liftoff.
www.aero.org /publications/crosslink/winter2004/07.html   (2494 words)

  
 Dynamics Review Solutions   (Site not responding. Last check: 2007-11-04)
A spacecraft if shooting along between the stars using its impulse engines to provide a constant force of 326 meganewtons.
Suddenly, when it's moving at 759 kilometers/second, it encounters a force field that pushes on it backwards with exactly the same force (how did it know?) of 326 meganewtons.
In the coffee filter experiment we used the weight of the coffee filter as the force of the air resistance.
home.hockaday.org /HOCKADAYNET/academic/physics/MPPhysics/homework/dynsols/DynQuizOLT/dynquizsol.html   (1769 words)

  
 ROBOTECH: Tirolian Auxiliary Naval Craft - Assault Corvette   (Site not responding. Last check: 2007-11-04)
The Reflex furnace can function for about 20 years at normal usage levels before an energizer rebuild is necessary.
Reaction mass endurance is sufficient for a delta-v of 39.4 kps at the battle acceleration of 1.0 gees, and a delta-v of at most 7.3 kps at the flank acceleration of 4 gees.
In an atmosphere, the engines can, through plasma-shock expansion, be overboosted to a maximum of 14.4 meganewtons of thrust and an acceleration of 5 g.
www.artemisgames.com /robotech/NavalAux/tir_AssaultCarrier.html   (3070 words)

  
 mouser.org
Personally, I find pounds-force and pounds-mass to be the biggest embarassment ever on the face of English units and the fact that we still use this system (when even the English have abandoned it!) is disgraceful.
Just so you can all sleep at night, the rated thrust of the Boeing RS-68 rocket engine is 2.9 megaNewtons.
If SI units aren't your bag, perhaps you'd perfer it in stone parsecs per fortnight femtosecond.
web.mouser.org /log/archives/2004/12/000629.html   (249 words)

  
 stressprimer
Suppose that the force in a cable of a suspension bridge is 10000000 Newtons, or 10 megaNewtons, that is, 10 MN, and the cross-sectional area is 0.25 square metres.
To make this easier to visualize, one Newton is roughly the weight of 0.1 kilogram, so a kiloNewton is about the weight of 0.1 tonne, and a megaNewton corresponds to about 100 tonnes.
More exactly, 1 kg weighs about 9.8 N. If we were to reduce the area of the cable to 0.1 square metre, the stress would increase to 100 MN/m
www.brantacan.co.uk /stressprimer.htm   (6121 words)

  
 Research at the School of Physics UNSW Sydney
These forces are usually known as hydration forces (although see reference 4).
Their magnitude may reach tens or hundreds of meganewtons per square metre and they are repulsive.
These forces have not attracted the attention of most biologists for a good reason: under most conditions, the non-aqueous components of cells (such as membranes) are not usually this close together.
www.phys.unsw.edu.au /RESEARCH/CRYOBIOLOGY/interfacial_forces.html   (8750 words)

  
 The Physics of Solar Sailing
A perfectly reflecting material would feel double that force.
Compare this to the three space shuttle main engines (SSMEs), each of which generates 1.67 meganewtons of thrust at sea level, and 2.1 meganewtons of thrust in vacuum.
Even a 100,000 square metre sail would not generate a millionth the thrust of a single SSME, though it would be a square as long on edge as three football fields.
www.etext.org /Zines/Quanta/sailing.html   (1551 words)

  
 ThinkRational: Deep Impact’s 4th of July Fireworks
They pulled it off and it made quite a firework!
Using some high school physics and applying Newton’s 2nd Law we get just under 4 Meganewtons (whatever that means) I tried running the formula for highway speeds, I get what equals about 38 Hummers.
I’ll have to have someone who knows better check my numbers but that seems like quite a force!
thinkrational.org /blog/archives/2005/07/deep_impactas_4.html   (215 words)

  
 The CATS Board   (Site not responding. Last check: 2007-11-04)
But large rocket powered vehicles cannot simply launch from anywhere, e.g.
the Kankoh Maru would generate a liftoff thrust of several meganewtons.
So I think having the maneuvering capability to reach any standard airfield -- preferably the home base since paying passengers hate delays -- or (even better-) launch from an airport would be more important.
www.space-frontier.org /cgi-bin/BBS/CP1/read/2498   (405 words)

Try your search on: Qwika (all wikis)

Factbites
  About us   |   Why use us?   |   Reviews   |   Press   |   Contact us  
Copyright © 2005-2007 www.factbites.com Usage implies agreement with terms.