Stack Test Specialists

Archive for March, 2008

Hex Chrome in a Hot Stack

Sunday, March 23rd, 2008 Posted in Methods | 2 Comments »

The first few sentences of SW846-0061 states the test should not be conducted in stacks 300F or greater.  I recently completed three good runs in a stack averaging about 330F.  The Teflon components held up to the temperatures, although they ...

Stack Temperature Thermocouple Calibrations

Saturday, March 15th, 2008 Posted in Methods | 4 Comments »

On a recent stack test I witnessed a unique and effective way of calibrating the stack thermocouples. Section 10.3.1 of Method 2 calls for the thermocouple to be calibrated within 10% of absolute average stack temperature. I have typically calibrated ...

XC-60 Sampler

Tuesday, March 11th, 2008 Posted in Gear | 1 Comment »

Check out this fancy little sampler... This tiny guy is great for Method 4, it's basically an updated version of the old-school Method 6 box, housed in Apex's rugged shipping case.  I haven't had the chance to use on yet, ...

Leak Check your Pitots

Tuesday, March 11th, 2008 Posted in Methods | 2 Comments »

Leak checking pitots is an important and often overlooked portion of stack testing.  This is probably because of how maddening it can be getting the pitot lines to hold at least 3.5" H2O pressure without blowing the oil all around ...


Tuesday, March 11th, 2008 Posted in Stack Musings | 6 Comments »

Why is it that everytime I climb a stack, I wonder what it would be like to jump off?

Getting Started

Tuesday, March 11th, 2008 Posted in Stack Musings | 4 Comments »

This is how we get the ball rolling here.... Always remember. Keep a spare bag of stack food in the glove box. Just in case you get trapped in the suburban for more than 2 weeks.