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No, the speed of sound is about 57,000 fpm, depending on atmospheric conditions. Most lawn mower blades move at 10,000 fpm to the highest I have seen is 18,000 fpm.

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Do helicopter blades break the sound barrier?

No, helicopter blades do not break the sound barrier. The tips of the blades can approach the speed of sound, but the entire blade does not exceed the speed of sound.


How does a lawn mower blade cut all the grass under the mower deck when the blade is only sharp on the ends?

If the engine is running at proper speed the outside edge of the blade is moving at 1900 RPM, at those speeds only the first two outs side inches of the blade are doing all the work.


How fast should a lawnmower blade spin?

Most modern mowers are of the rotary type. Rotary mower engines are all made to spin at 3,600 revs per minute when not under load. During cutting, the rpm drops to between 2800 and 3300. There is a simple wire-based device for measuring rpm on a running mower, which all mower specialists would own.The other speed linked with your question could be that concerning the velocity of the blade tip as it revolves. As the centre of the blade is spinning at 3600 rpm, an 18 inch blade tip will travel through the air at one speed a 21 inch at a faster speed and so on. Rotary mower blade bars are made up to a max of 24 inches.


What is the blade speed on a 12.5 HP Cub Cadet G1236 mower?

The blade speed on a 12.5 HP Cub Cadet G1236 mower typically ranges from 2,500 to 3,000 RPM (revolutions per minute). This speed can vary slightly depending on the specific model and engine settings. For the most accurate information, it's best to consult the owner's manual or manufacturer's specifications.


Your push push mower goes 5-10 minutes and rattles loudly and dies?

loose blade, bent crankshaft.... remove sparkplug cap so mower won't start & spin blade at moderate speed with hand & if it stays level around whole mower deck the crank is not bent. youtube user (davidsfarm) would likely know whats wrong. the piston rod might be loose.


How many RPMs does a lawn mower turn?

Usually between 2800 and 3000 rpm. It could go faster, but blade tip speed becomes dangerously high past that.


Are the blade rpms faster on a zero turn mower?

Yes, the blade RPMs on a zero-turn mower are generally faster compared to traditional riding mowers. This higher RPM allows for a cleaner cut and better overall performance, especially when navigating tight turns and uneven terrain. The design of zero-turn mowers, which emphasizes maneuverability, often necessitates more efficient blade speed to maintain cutting effectiveness.


Why does a lawn mower have a slow speed seems to you you would want to get your yard mowed as fast as possible?

Ground speed is matched to the engines ability to maintain speed while cutting grass. Smaller engines will bog down quicker and if the blade is not spinning at max speed the grass will not be cut properly


Does a wind turbine spin at the speed of sound?

No, a wind turbine typically spins at a much slower speed than the speed of sound. The rotational speed of a wind turbine's blades is usually between 10-20 revolutions per minute, whereas the speed of sound is around 343 meters per second at sea level.


How fast will the helicopters go in the future?

Not much faster. True helicopters are limited in airspeed. The helicopter blade can not fly faster than the speed of sound or it begins to flutter and even stall. The advancing blade has to go through the air faster than the retreating blade. The speed of the blade is the sum of the speed of the helicopter in forward flight plus(+) the rotational speed of the turning blades. If they can design a blade that will work at slow speeds and at speeds greater than Mach 1, then maybe they can build a faster helicopter.


In a wind turbine - does increasing the blade length or decreasing the blade length increases the speed of the turbine?

Decreasing the blade length will increase the rotation speed, and thus the turbine speed ( for constant wind speed ).


What makes a ride mower slow down the blades?

A ride mower may slow down the blades due to several factors, including a dull or damaged blade, which can hinder cutting efficiency. Additionally, a clogged deck with grass or debris can impede blade movement. Mechanical issues, such as a malfunctioning spindle or drive belt, may also cause the blades to slow down. Lastly, insufficient engine power or fuel issues can lead to decreased blade speed.