Question about Casio FX-115ES Scientific Calculator

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That depends on, among other things, the shape and pitch of the blades. If the pitch is zero the fan will move essentially no air.

Posted on Nov 20, 2013

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Posted on Jan 02, 2017

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the air flow from a compressor is determined by the capacity of the pumping system

with a piston type compressor it is the bore by the stroke

in a diaphragm type is it is the diaphragm dia by the stroke

that is the maximum cubic feet of air a minute produced

pressure is the resistance to flow so regardless of the pressure or restriction it will only produce that set air flow at that rpms

do not confuse the flow with pressure as it works like this the greater the restriction the greater the pressure in reserve but the less flow in cubic ft per minute through the restriction

for example a compressor producing 10 cubic feet per minute does that with not restriction but with no pressure

at 25% restriction to air flow the pressure in the tank will now rise to say 25 psi and the flow from the restriction will drop to 8 cubic feet per minute

at 50% restriction the compressor is still putting out 10 cubic feet of air per minute but the tank pressure has risen to 50 psi and the flow from the restriction has dropped to 4 cubic ft per minute

go to the extreme end and the compressor is still producing 10 cubic ft of air per minute , the restriction now allows 100 psi in the tank but the low from the restriction has been reduced to 2 cubic ft per minute

the simple equation is pressure = flow X resistance

with a piston type compressor it is the bore by the stroke

in a diaphragm type is it is the diaphragm dia by the stroke

that is the maximum cubic feet of air a minute produced

pressure is the resistance to flow so regardless of the pressure or restriction it will only produce that set air flow at that rpms

do not confuse the flow with pressure as it works like this the greater the restriction the greater the pressure in reserve but the less flow in cubic ft per minute through the restriction

for example a compressor producing 10 cubic feet per minute does that with not restriction but with no pressure

at 25% restriction to air flow the pressure in the tank will now rise to say 25 psi and the flow from the restriction will drop to 8 cubic feet per minute

at 50% restriction the compressor is still putting out 10 cubic feet of air per minute but the tank pressure has risen to 50 psi and the flow from the restriction has dropped to 4 cubic ft per minute

go to the extreme end and the compressor is still producing 10 cubic ft of air per minute , the restriction now allows 100 psi in the tank but the low from the restriction has been reduced to 2 cubic ft per minute

the simple equation is pressure = flow X resistance

Jun 24, 2017 | Air Tools & Compressors

About 2.707 cubic yards.

May 04, 2014 | Computers & Internet

Turn dial on side,or on bottom of sander should change rpm.

Sep 19, 2012 | Ingersoll Rand 313A IR-313A 7"Dia 5000RPM...

Fan blade 22 deg pitch, 22in dia 3 blade

Aug 24, 2011 | Heating & Cooling

The Exhaust Fan/Video Card System Fan Kit from StarTech is an add-in cooling fan designed to fit in the PCI or ISA expansion slots of any computer. It is used to exhaust warm air out preventing problems due to overheating components. The exhaust fan inlet faces adjacent PCI or AGP cards and makes a great video card cooler for hot running 3D accelerator cards like the Voodoo TNT2 GeForce256 and others. A quiet running brushless DC motor coupled with a high efficiency blade design is capable of moving 36 CFM (cubic feet per minute) of air. Power is supplied to the fan using a standard LP4

hope this helps

hope this helps

Jun 11, 2011 | Dell POWEREDGE 350 COOLING FAN...

Please check your compressor whether it takes correct amphs. Due to weak in capacitor and also less rpm of fan motor the compressor gets overheated and it turns the unit off. If capacitor weak change it. If less rpm on fan motor change fan capacitor or fan motor.

Dec 12, 2010 | Carrier Heating & Cooling

yes i have the same compressor and has 3500 rpm 5hp motor

Nov 30, 2010 | Garden

One dealer for your model compressor is Northern. They are very good at replacement parts. If you do not have 3 phase power, you could shop around for 5 to 7 hp 220 v motor making sure that the motor mount will align with your plate. Pully size depends on dia. of pulley on the pump. Most pumps turn between 550 min to 1100 rpm depending on the power available and cfm requirements. Most motors turn at 1725 rpm so for example if your compressor has a 14 in. pulley then you motor will need a 5 in. pulley to turn it about 620 rpm. The larger the pulley at the motor the higher cfm produced but more amps used. Motor speed x pulley dia. divided by compressor pulley dia. To obtain more efficiency and highest cfm you will need 3 phase. Good place to see motors and two piece pulley combnations is www.grainger.com. Good luck

Sep 25, 2010 | Ingersoll Rand Type 30 Reciprocating Air...

It will hold approximately 34,017 liters of liquid. The actual volume will be less, since the thickness of the tank wall was not provided.

The formula needed to calculate the volume is as follows:

1) Radius multiplied by Pie and then Square the result

(r * 3.14... ^2 = result)

2) Then multiply by the length of the cylinder to give cubic meters

(result * length = cubic meters)

3) Convert cubic meters into liters for the result.

Hope you find this Very Helpful and best regards!

The formula needed to calculate the volume is as follows:

1) Radius multiplied by Pie and then Square the result

(r * 3.14... ^2 = result)

2) Then multiply by the length of the cylinder to give cubic meters

(result * length = cubic meters)

3) Convert cubic meters into liters for the result.

Hope you find this Very Helpful and best regards!

Aug 28, 2009 | Cooper Hammering

volume of a cylinder = height time Pi r squared

dia = 43cm so radius = 21.5cm

so 109 x 3.14 x 21.5squared = 158209.69 cubic cm

1 cubic cm = 0.001 litre

so 158.20969 litres

with a more correct value for Pi is actually 158.28993 Litres

dia = 43cm so radius = 21.5cm

so 109 x 3.14 x 21.5squared = 158209.69 cubic cm

1 cubic cm = 0.001 litre

so 158.20969 litres

with a more correct value for Pi is actually 158.28993 Litres

Jun 27, 2008 | Office Equipment & Supplies

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