Pop wrote:


....
Never found that to be a necessity, though it's faster heating.
It's also hot enough to do damage if one isn't careful, esp to
winding insulation, etc.,. even with propane.

IMO, the primary advantage of the hotter flame is you can use smaller
tip and get the part you want hot faster before the rest heats up. W/ a
cooler flame it takes so long to heat conduction is carrying it away
where you don't want it as fast as you can warm it up...