After surfing the different glow plugs on the web, I believe that Jojo is correct, that what is shown in the pictures offered by DGT are probably spark plugs.
However, might there be misdirection in DGT's pictures? Would a glow plug screw in place of the spark plug in their reactor? DGT could have put the spark plugs in their reactor for the pictures, while they normally use glow plugs in those positions. The spare spark plug on the table was obvious and suspiciously left in the open. Another possibility is that DGT found that the glow plugs were wearing out too quickly and they modified their reactor for a different type of heater that would have greater life. Since they were left with the tapped glow plug holes, they plugged the holes with the spark plugs. The spark plugs are never shown connected, but everything else is shown connected. The comment from W&M about DGT having trouble with the glow plugs not lasting long enough goes with what Jojo observes for a glow plug. I am not convinced either way. Bob On Sun, Jul 15, 2012 at 2:47 PM, Jojo Jaro <jth...@hotmail.com> wrote: > ** > And only if you want to waste your money. Like I said, they don't last > very long when used continously as would be the case if DGT were using > these to heat their reactors. > > A heating cartridge would make more sense for heating. > > I tried using glow plugs in my first generation reactors with so-so > results. They tend to overheat and melt your ingredients. Hard to control > heat output. They are designed to heat fast and furious. Controllability > is not an issue for their intended application as Diesel engine preheaters > as they are fired only for a few seconds. but, even in their intended > application in diesel engines, they are one of the more frequently failing > items. > > > > Jojo > > > PS. Those pictures are definitiely spark plugs. No question about it. > > > > > ----- Original Message ----- > *From:* Alain Sepeda <alain.sep...@gmail.com> > *To:* vortex-l@eskimo.com > *Sent:* Monday, July 16, 2012 2:14 AM > *Subject:* Re: [Vo]:Harping on the Right Things! > > using a glowplug for heating is very natural, since it is very resistant, > cheap, and easy to find. > > -- Regards, Bob Higgins
