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Thank you for your kind comment! The minimum that I would recommend would be 8.5-9 cfm. It uses a fair amount of air because half is going to power the pump for water and the other half is creating the foam in the wand. I will tell you that I have been working for a while now on a simpler way to make Aircrete. It is a chemical process that makes the Aircrete rise like a cake instead of injecting foam and hoping it doesn’t deflate before the cement sets up. I am making molds now and will be coming out soon with a video that will explain the process and give everyone the simple recipe to do this without needing this machine and a compressor. All you need is a mixer. 😊👍Don

@@PranaTech I will hold out until then. Thanks!

That’s great! Shouldn’t be too long.😊

Ha! I know what you mean! I have been working on a new process that is chemically based and needs nothing other than a mixer or you could make smaller batches with a drill and a paint stirrer. Should have a video out soon. Stay tuned. 👍😊

Hi Leo! Welcome to the wonderful world of Tig welding! For using the pedal with your welder, just unscrew the 5 pin connector for the torch and install the connector for the pedal and weld away. Some of the welders you need to hold the pedal down for 5 seconds so it recognizes the pedal. Most of the Hynade welders don’t though. Let me know if you need any help. 😊👍Don

@@PranaTech thank you for the quick response. I really appreciate it. I am downtown doing a chemo infusion when I get home. I’ll take a look at the stuff and if I have any questions, I’ll hit you back up. Thank you very much.

Hi Mike! Well, they contacted me a few years ago because they saw my review of their welder and liked it. They wanted me to review some of their other welders and so I agreed and so that is how it started. All I do is an honest review and post the link purchase to the welder on their site. I get to keep the welder so you could say there was a benefit there for doing the review. They also have an affiliate program where if someone uses your discount code, they get 10% off their purchases and I get a 10% commission. This used to be decent program but over the last couple years they run constant sales of 15-20% off, so the affiliate program really has died as a result of this. I really have had amazing results with their welders. I just got home from welding all day with their Mig 250 Pro which I have used constantly for years in my welding business and have worn out 2 Mig guns and it is still going strong. Hope this answers your questions.👍😊Don

@@PranaTech Thank you. What I had expected but the plethora/inundation of UA-cam videos reviewing this product and offering the same $319 purchase price, I thought I would see why the coincidences. Add the fact that Amazon no longer offers the 65DS, I thought I would ask. Thanks for your response. Mike Good luck in all your endeavors!

Hi Larry! Yes, you are absolutely correct on all points! Acetylene is a low pressure tank and has much thinner steel so I generally stay away from them because most shops will only exchange a high pressure tank for another high pressure tank. At least that is the case here in Tucson. 😊👍

Hi Jari, thank you for this great information! I did not know this.😊👍

Hi there! Sorry for the delay. I had to look through the manual to find out the answer because I didn’t test this method when I did the review. I can’t find any settings in the manual for welding flux core style so I will have to say no to this welder being able to weld that type of wire. Hope this helps!👍😊Don

Hi Dan, thank you for the information! I have been Tig welding aluminum for more than 35 years and I can tell you that I see people posting things like this all the time and I’ve never put an amp meter on any welder I’ve ever owned. What I can tell you is that if you really want to know if it is a 200 amp Tig, try and weld 1/4” aluminum plate. A 200 amp Tig will just barely weld 1/4” aluminum plate without preheating. This welder welds 1/4” plate extremely well. I had a brand new 175 amp Lincoln square wave that could never weld 1/4” without preheating. This was a transformer machine and so it was fixed at 60HZ for the frequency. I had a 200 amp Alpha Tig and it was rated for 200 amps and could never weld 1/4” aluminum. These inverter Tig welders must work differently because they weld 1/4” with no problem at all. Anyway, just my experience from welding with many different Tig machines over the years. Cheers!😁👍Don

Hello! After looking at them, I think you are right! They look identical. 👍😊

Hi there! All of the settings are for 5356 wire specifically. I do not recommend any other wire unless you are going to use the spool gun exclusively. 4043 is just too soft to feed through a standard mig gun, even with the graphite liner. I updated the spreadsheet to show that the settings are for 5356. Sorry for the confusion and thank you for bringing it to my attention! 👍😊

@@PranaTech Hey! Thanks for the quick reply. I did not expect that. Yesterday was my first day with the welder, welding 1/8" Aluminum 5052. Seems to be running too hot at 135A. I'm going to experiment some more with travel speed. But I really appreciate your video, it definitely gave me a good head start! Thanks!

Hi there! Yes, one thing that was an adjustment for me was that the travel speed with this welder is much faster than traditional Mig. You will have to get used to this as you get proficient at welding with this method. 😊

Gracias mi amigo! Saludos!😊👍

Hello! It has worked great over time. Occasionally I have had to disassemble the valve on the Chinese pump and lubricate it because it will stick occasionally. A higher quality pump would not have this issue but it may also be due to moisture in my air lines. The design works great though. 😊👍

@@PranaTech Fantastic! thnx for the info! i left out the pressure valves... :D i'll see how it goes. peace from Estonia!

You are very welcome! How will you regulate the pressures? The pump needs higher pressure than the input to the foam wand. The wand needs pressure reduced to about 55-60 psi or 380-413 kPa. You could eliminate one of the pressure regulators and just use the one on your compressor to adjust max pressure for the pump and then just use one regulator for the output of pressure to the foam wand. The pressure to the wand is fairly critical in adjusting foam consistency and getting the very dense, shaving cream like foam that is needed for Aircrete. Hope this helps my friend! Let me know if you have any questions as you get going. 👍😊Cheers!

@@PranaTechHey. I've been messing around with it for a while now and it appears that it can run without the pressure regulators also... Just i need to adjust the two valves i got. Adding the regulators would give me a better control indeed, so every time i get the same ratio of air pressure into the system, but manually adjusting also works fine. just i need to find the optimal locations every time - i kinda know what is now the best beat and whizz of the two streams :D Foam looks Jummy and shavy! I used two different thikness of metal scrubbers and a ironwool at the end of the Foamwand. Much thnx for the design again. ! Peace from Estonia , Europe

Excellent my friend! Simpler designs are always the best. Less things to go wrong in the future. Congratulations and I’m very glad to see it working and that you are enjoying success with it. Cheers from Arizona! 😊 Don

I agree! This cooler is way overbuilt. I basically copied the commercial versions that are out there for big Tig setups. They run 35-40 psi and these carbonation pumps last forever at that low pressure compared to what they are designed to run at. I weld up over 300 amps with this cooler and my Tig torch costs over $350 so I just want to protect my investment. I do believe you could easily run a small pump at low pressure and be perfectly fine. I do mobile Tig welding and this cooler is not very portable, so I have a garden hose setup to just run tap water through my cheap torch and the flow is plenty to keep that torch cool. 😊👍

Good morning! They are stainless steel so they don’t rust. I have cut open a couple after a few years of use when I wanted to experiment with a different design and I just reuse the scrubbers because there was no corrosion at all. 😊👍

Hi Marco! Yes, it will do 250hz at the highest.👍😊

Hi Jim! Thanks for your nice comment! 🙏😊

Yes, it can be used on a Cnc plasma table. 👍😊

Thank you! I appreciate that!🙏 I decided to do the deeper dive into this machine because I felt the other reviews didn’t really do this machine any justice. It took me a bunch of hours and about 25 pounds of aluminum plate to figure out the settings, now hopefully people can use them and be successful with this welder. 👍😊

Hi Jim, I’ve found that most people don’t have the motivation to bother with them. I’m still doing it years after I put out that video.👍😊

I think so. I am looking at using a aftermarket straight torch for Cnc work and there are lots of options out there with the same connections. Even if the connections were different, you could easily adapt it to fit this machine. 👍

Thank you my friend! 😊

You’re too kind! Thank you 😊

Thank you! I appreciate your very nice comments.🙏😊 I was using their foot pedal on this weld so that I could let up on the amperage as the heat builds up. 👍

Good morning! I’ve actually been working on a new method for making Aircrete chemically. This way you need no pump or foaming agent and it just rises like a cake. I’m in the process of making forms for my blocks and I should have a video out soon detailing the process and recipes to do the mix. 😊👍

@@PranaTech That sounds awesome. Can't wait!!

Thank you my friend for your kind comment! 🙏😊

Hey, thanks for the great comment! Wow, yours sounds like an awesome build! I like the two head design though. Great idea! 😊👍

I responded to your first comment to answer both of your comments.😊

Hello, sorry for the delay in responding. Thank you for your kind words about my videos. I really appreciate it.🙏 Tid welding aluminum is definitely a steep learning curve with all of the coordination needed to accomplish a good weld. I have been Tig welding for 37 years but honestly I’ve only been welding aluminum for about the last 5 years, so I understand your pain when trying to learn this type of welding. It takes a lot of concentration to remain steady and composed while Tig welding aluminum. I will say though that if you commit to it and practice regularly, you can become proficient at it fairly quickly. Now to the pulse MiG welding of aluminum. This was another whole new way of welding for me and I had to unlearn some techniques that I have been using for decades with steel mig welding. Like the 4T method of using the torch button. This took me a few days of constant practice to get used to. You will have an easier time learning because you are a beginner and can learn this fresh without years of ingrained habits to forget. I will be making some more videos with this welder soon because I’m going to be building a flatbed for a customer out of aluminum for his ranch truck and Tig welding the entire thing would take forever! Thank you for subscribing and I will try and incorporate some of your requests into my video of the truck bed build. 😊👍

Thank you Gerard! 🙏😊

Hi Jesse! Not yet. I’m working on some forms right now for some building blocks that I want to make. I have been working on a new method for making Aircrete that is chemically induced bubbles instead of with foam injection. I should have a video out soon. 😊👍

Hi Jack! I don’t know if it showed up in the video, but I did leave about a 1/4” gap at the top for air and fuel to move across the top of the tank. Your idea is great too though! Thanks for your comment.👍😊

They are stainless steel so they should last for many many years. Should they need replacing, just cut the main tube in the middle and then glue back together with a coupler after replacement. 😊👍

Thank you Chris! I really appreciate that! 🙏😊

Hi Basirdurr! Thank you for your kind words! From memory, the aluminum was $310 and all the fittings and hardware were about $140. My labor was about $500 so just under a $1000 out the door. I’m retired though, so my labor is about half what fabrication shops here in town charge. 😊👍

Hi Tim! Thank you for your kind words! I’ve watched your channel quite a few times over the years and always enjoy your content. Cheers! 😊👍Don

I agree! This cooler is way overbuilt. I basically copied the commercial versions that are out there for big Tig setups. They run 35-40 psi and these carbonation pumps last forever at that low pressure compared to what they are designed to run at. I do believe you could easily run a small pump at low pressure and be perfectly fine. I do mobile Tig welding and this cooler is not very portable, so I have a garden hose setup to just run tap water through the torch and the flow is plenty to keep the torch cool. 😊👍

Glad you liked it😊👍

I still see deals here in town. You just have to search regularly and have the cash ready to buy right when something pops up. The most common tanks here in town are old oxygen tanks. Mathesons on Grant Road is the best place to exchange tanks. Good luck on the search.😊👍

Awesome thanks

Hi Jan! Thanks for information. I never worked it out but I did know that it is very cheap to make. 👍😊

The compressor is in the shop. I just ran the hose out to the foam generator.😊👍

Hi Jay. Yes, I have some pictures of the underside and yes I leave the stock shoe on. my email is pranateq@gmail.com email me and I will send you the pics.😊