I'm having better luck with the prototype than a shop vac already, just trying to improve the lift. Toting a generator isnt really an option. I also just have a shop vac hose, if theres moisture the dirt collects on the sides with a shop vac and loses lift. That's how I've always dug post holes.
On Sun, May 21, 2023, 3:53 PM Chuck McCown via AF <af@af.afmug.com> wrote: > I think you would have better luck with a strong shop vac and a 30 gallon > drum. I have seen guys do that and it worked OK. Air powered vacuum > producers work but I don’t know how well. Sometimes they are called > eductors or ejectors. > > Take a look at this one: > > https://www.globalindustrial.com/p/2-in-line-vac-only-aluminum?infoParam.campaignId=T9F&gclid=CjwKCAjwgqejBhBAEiwAuWHioM68tuz0PVLcvHFy4CRspRtvhy5gEQQryMrUkOoNv4MVeUTRSWTkvxoCrv8QAvD_BwE > > Best Regards, > Chuck McCown > > McCown Technology Corporation > 8401 N Commerce Dr > Lake Point, Utah 84074 > 801-250-9503 Office > 435-830-4306 Cell > www.mccowntech.com > www.microtrench.pro > www.terabitnetworks.com > > *From:* Steve Jones > *Sent:* Sunday, May 21, 2023 11:56 AM > *To:* AnimalFarm Microwave Users Group > *Subject:* [AFMUG] Air vac > > I need advice from you nerds. > I'm a broke joke, so hydrovac isnt in my budget. Besides, I want dry > spoils to put back in the hole. > This revision works for venturi. I have multiple size reducer but right > now I'm just doing 3/4 to to inch. The 3/4 to 1 then 1 to half back to 1.5 > for the venturi side seemed to have the best lift, but the hardware store > didnt have everything, so it's all in 2 inch right now > I'll dump to a 2000lb peanut sack if I can find one, but for now I'll just > use a 30 gallon drum and dump on the mega movers. > > This is for use in conjunction with the airspade I did have some coin to > get. > > Venturi math gets complicated and I'm full retard so I need to find he > best ways to increase negative pressure and where to drill the ports. > > I also wonder if theres an option to recapture the exhaust into the > airspade. > > I need you nerds to go full geek. > > If I can get valves correct I'll have the local machinist make me a couple > that are pressure rated. > > This is to mimic the airvac I also cant afford. > > This proof of concept has the lift to clear potholes and handholes, but I > need to clean it up and get more efficiency. > A side discovery is that this setup is perfect for blowing straw and seed > with glue > > ------------------------------ > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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