# Air Teaser

### By Ernie Parker

AI, AJPP, AJPPCC, S, MT, MM, MIH, MIP, MMH

These teasers are printed in the Fluid Power Journal. Think you know the answer? Submit by e-mail to jhoffman@ifps.org. Those who submit the correct answers before the deadline will have their names printed in the Society Page newsletter and in Fluid Power Journal. The winners will also be entered into a drawing for a special gift.

## Problem: Total Energy Needed

What is the total energy in Joules needed to be dissipated by a shock absorber that is positioned under a hoist that releases a free-falling load of 100 kg, 1 …

## Problem: Calculate Cylinder Size

Winner of this Air Teaser: Ali Dashti, Applied Industrial Technologies, Inc., San Marcos, CA Deadline past. Not available for submissions. This teaser is …

## Problem: Calculate SCFM

Calculate SCFM: 50 Pound Spring 2″ Diameter Cylinder 6″ Stroke 1 Second to Extend 1 Second to Retract No Dwell Time Hose is 3/8″ diameter and …

## Problem: Bucket Cylinders

This is a sketch of a sandbox loader and bucket. Calculate the vertical distance that the bucket cylinders (2) should be mounted above the pivot points to …

## Problem: Car Tires

How many car tires of the following approximate size can be filled with one tank of nitrogen with the following given specs? Tank Size: 200 scf (Standard Cubic …

## Problem: How Many SCFM?

If the available pressure is 100 psig, how many SCFM would be saved by using an air regulator as shown in the circuit? Also what is the cost savings per year …

## Problem: Extending and Retracting Forces

What are the extending and retracting forces? Deadline past. Not available for submissions. Winner: John Krebsbach, Fluid Power Engineering, Inc., Milan, IL …

## Problem: Minimum Pressure

What would be the minimum pressure required to hold the given load on the pneumatic cylinder? Think you know the answer? Submit …

## Problem: Cylinder Retraction

Neglecting pilot line sizes, approximately how many seconds after pushing the start button will the cylinder start to retract? This teaser is printed in the …

## Problem: Calculate This

Given: Coefficient of Friction: .2 Cylinder: 4″ x 20″ x 2″ 1. Calculate the pressure to retract the load. 2. Calculate the distance that the …