This picture is a CO2 foot pedal that went out this week. It has an on off/toggle as well as an extra port for rotary or etc..
I tested the air flow of the foot pedal Classic and PalmControl. The read out is in ml/minute and we need it in CFM (cubic feet/minute). I used this page to help convert the numbers.
http://www.iprocessmart.com/techsmart/conversions.htm
Here are the results:
PalmControl set at 35 PSI
Idle: 38.16 ml/min = .001348 CFM
Full throttle: 4333 ml/min = .153027 CFM
Foot pedal set at 35 PSI
Idle: 569 ml/min = .020095 CFM
Full throttle: 4333 ml/min = .153027 CFM
We can average the idle and full throttle together to discover normal usage.
PalmControl normal usage: 2185.58 ml/min = .077718 CFM
Foot Pedal normal usage: 2451 ml/min = .086561 CFM
The stroke adjustment effects the full throttle flow. The above readings were taken with the Classic stroke adjustment at the longest stroke. Both tools use around 2500 ml/min when set at the shortest stroke at full throttle (at 35 PSI). Therefore for average usage of the tools at a short to meduim stroke setting they are using approx .04 to .05 CFM .
With the PalmControl, the COS 16 gram cartridges get around 20 minutes. The 567gram (20oz) paintball co2 cylinders around 8 hours. How long they last is dependent what you are doing. i.e. if digging deep background cuts, not as long as shading or outlining.
Steve
