Building a gen-turi style exhaust stack
Recently we were dry camping for an extended time and had to use the generator to recharge the batteries. My wife often smelled the exhaust and had me shut down. I got to thinking about a Gen-turi,...
Forum Discussion
OP, even though I went to engineering school (Ga Tech) I also learned the KISS rule. $60 and six hours... wish you lived closer if you'll work that cheap.:B
I GOT CARRIED AWAY and spent $15 on this one. I made it out of alum 2"X4" gutter down spout and a 90 degree elbow. Already designed to slip together and cutting the 10' into two 5' is easy enough with a hack saw plus it makes it easy to store. 10' gets it above the roof.
You do not need the extra air gap, but it does lower the temp of the up pipe by 15 degrees to 120F. 
The 4" suction cup came from Harbour Freight ($4) plus I had the white channel that slips into the joint. Not that it weighs all that much but the suction cup will support all the weight. 
Putting a little paint on the two joints helps in putting it together. Just made another one for a friend and it cost $17 and took 30 minutes and a trip to HD as I had a spare 4" suction cup.
I GOT CARRIED AWAY and spent $15 on this one. I made it out of alum 2"X4" gutter down spout and a 90 degree elbow. Already designed to slip together and cutting the 10' into two 5' is easy enough with a hack saw plus it makes it easy to store. 10' gets it above the roof.
You do not need the extra air gap, but it does lower the temp of the up pipe by 15 degrees to 120F. The 4" suction cup came from Harbour Freight ($4) plus I had the white channel that slips into the joint. Not that it weighs all that much but the suction cup will support all the weight. Putting a little paint on the two joints helps in putting it together. Just made another one for a friend and it cost $17 and took 30 minutes and a trip to HD as I had a spare 4" suction cup.
