After all the discusion I went out to investigate this heater at Walmart. There on the shelf right beside the black cat heater was a propane radiant heater $38 dollars. Small but can be used at a cook burner also. I'm not sure witch I like now but I'm thinking that the duel purpose sounds like an great idea. I anyone have any input on this one? Eric 86-VW4x4 vw4x4@fyi.net 72-240z Pittsburgh, PA USA 1936-Chrysler
On Sat, 8 Jan 2000, Frank Grunthaner wrote: > Just got to reply to this one! I first picked up a platinum impregnated > catalyst bed heater for my 67 VW camper in 1969. From a chemical perspective, > I was amazed that a Pt catalyst could be done for the price at the time. I > ran a few GCMS (Gas Chromatograph/ Mass Spectrometer) spectral scans on the > propane bottle heaters specifically looking for CO emissions. The numbers > were in the noise (less than 0.1%). The experiment wasn't designed to > quantify trace amounts. Interestingly I did find traces of methyl radicals > and formic acid (incompletely oxidized aliphatics from partial combustion of > propane). The concentration of these trace gases varied spatially over the > area of the catalyst mat. > > Can't imagine how one could confuse a Pt catalyst bed heater with a radiant > heater or any of the other backpacker staples. > > Frank Grunthaner > |
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