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I noticed that on almost all the gauges I looked at. Not sure, maybe it is related to the overall accuracy of 1.5% of total range?

I just now noticed this, it does seem kinda ridiculous, but then I already bought the ITC-100...

Yes it's downstream I believe. The layout is from the propane tanks to the regulator to the gas valve to the needle valve to the pressure gauge then to the blower tube ???

OK the videos have finally uploaded, probably a bit of information overload. 5 min... https://drive.google.com/open?id=1dMQDaOrQuhiPrj9rt1jT-vd0jYVAfdT8 10 min... https://drive.google.com/open?id=1dPDqp7LUJGw0t3zauyYJFFOyk66-WUAZ 15 min...

Well I fired it up again and while it gets hot fast something is wonky with mys PSI gauge. First off there is only 3 major divisions between the 0 and the 5, secondly the readings keep changing. Maybe the heat affects it? Here are 5 pictures of the gauge in order from the time I fired it up...

Thanks Ken! Yes I think there is good bit of dragon's breath. And it gets hot in the shop with the forge fired up. But I do have to say it never got that hot that fast with my little old Matheson forge! Next time I'll crack the garage door and turn on my squirrel cage I have mounted at the top...

Ok I took it up to 2300 F today, maybe a bit more, and I'm pretty sure it will go more if I let it. I started with the blower at about 3/4ths damped and ended up with it full open. I started the gas at about 2 psi. You can actually hear the gas valve whining over the roar of the forge in I...

Huuuh yes... But I don't have a lathe or a mill with a DRO! ;) I'll work on a video but I gotta warn you it won't be pretty!

Maybe after I get done I could do a quick walk around video of the shop if anybody is interested.

Quick update for anybody watching, I've been firing the forge up to about 1000 F roughly every 3 hours, waiting until it gets under a 100 F before each round. No cracks in the refractory so far, wish me luck! Tomorrow I'll go all out a few times. Try to get some pictures or a video. In the...

I think they look great! I'd like to try one. I think that style is becoming quite popular too. Check out this video at about the 2:16 mark....

Just a quick update. I'm trying to cure the refractory as slow as I can with very little control. I have been firing the forge up for less than a minute every 2 hours or so after the forge cools completely. It's difficult to keep the temps in the range the 'suggested schedule' specifies. So...

Agreed! I did another quick fire to about 480 degrees F. I'll try to do another tonight if I don't fall asleep too early!

Well I fired it again, it seems that 5/8's to 2/3 of the blower damper open gives me the best swirl. It gets up to temp very quick and I try to shut it down before 500 degrees F.

Thanks Ken! I assume after I think the castable is 'cured; then then I paint on the ITC-100? At this point even given the my dismal coating of the castable I'm pretty stoked! And you Sir have been the best guide I could have hoped for through this process! Thank you for sticking with me!

Thank you Ed for the input. I'm trying to adhere to the curing schedule but I don't have near fine enough control on the heat! I waited until the forge body got down into the mid 70's F before firing it up again (and then for less than a minute!) and I shut it down before it hit 450 Degrees F...

My floor is probably close to an inch! The walls maybe a 1/4-1/2" in places. the top is an 1/8" if that! I fired it up briefly. About 1 minute maybe and the temp went over the firing/curing schedule I referenced earlier. It wouldn't sustain a flame with the blower on full (at maybe 2 psi), but...

I see, the top and sides are mostly rounded, though it appears to be a rough rounding! So your toaster oven is PID controlled? Does it work out OK? I should have probably tried that, I went and bought a second oven to temper in. I used to cast bullets way back when, it was the only way I could...

Thank you so much for letting me know! I could have had some ugly times soldering otherwise! I'll keep them wire types straight! Your welds, yes! I never learn as much as when I'm watching a pro weld! I have no good reason for squaring up the bottom other than I thought that was what I should...

Well I don't feel real good about today, just to get that upfront. Totally out of my element with the castable, but I attempted it anyway. Pretty sure the top is too thin and the sides are too thick and the bottom too wet! I guess we'l see what comes of it. The instructions say I need to...