Determine an equivalent lumped mass model for the crankpin.
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- Figure P-1134 represents a schematic diagram of a Porter governor. Eachflyball weighs 16.1 lb and central weight D is 40 lb. Determine the rotationalspeed in rpm about the vertical axis AD at which the weight D begins to rise.Draw the free-body diagram for the luge modelFind the average piston velocity (between limiting positions) for an in-line slider-crank mechanism. The crank length is 2inch, and the crank rotates at 3000rev/min.
- A crank-rocker mechanism is to be used to drive a ratchet mechanism. Using mathematics and specific illustrations, find the required crank length in inches required to generate this motion. The swing of the rocker is 35.0 from the vertical position in each direction. (Note: O2 is the crank pivot; O4 is the rocker pivot; C is the coupler-rocker joint; B is the coupler-crank joint). O2O4: 5.6 in.; lies in the horizontal plane O4C: 4.0 in.; mid stroke is verticalThe rams of a four-ram hydraulic steering gear are 225 mm in diameter, the rudder stock is 450 mm indiameter, and the distance from the center of the rudder stock to centerline of rams is 800 mm. Calculate thestress (in MPa) in the rudder stock at the instant the rudder is moving past in mid-position and the hydraulicpressure is 80 bar.For the given mechanism, mechanical advantage for the configuration given is?
- Two masses A and B are 5kg and 2kg respectively rotating in a shaft. The corresponding radii of rotation are 0.2m and 0.3m respectively and the angle between the masses is 600. Find the position and magnitude of the balance mass required, if its radius of rotation is 200 mm using graphical method and also verify your answer with analytical method.can you help me determine the location where the system reduces to force-onlyFind the mass-radius products and the angular location needed to dynamically balance the system using the correction plane A and B
- A constant torque of 2kN-m is exerted on a crankshaft to start the engine.The flywheel has a mass of 1800kg and a radius of gyration 1m .If there is a resisting torque of 1kN-m,find the speed of the engine after 1 minute.A four-cylinder vertical engine has cranks 150mm long. The plane of rotation of the first, second and fourth cranks are 400mm, 200mm and 200mm respectively from that of the third crank and their reciprocating masses are 50kg, 60kg and 50kg respectively. Find the mass of the reciprocating parts for the third cylinder and relative angular position of the cranks in order that the engine may be in complete balance.A shaft has three eccentrics of mass 1kg each. The central plane of the eccentrics is 50 mm apart. The distances of the centers from the axis of rotation are 20 mm, 30 mm, and 20 mm and their angular positions are 120 degree apart. Find the amount of out-of-balance force and couple at 600 rpm. If the shaft is balances by adding two masses at a radius of 70 mm and at a distance of 100 mm from the central plane of the middle eccentrics, find the amount of masses and their angular positions. (Use graphical method for solution)
