What material for generator stack?

belfert · August 19, 2008, 06:11:24 AM

Quote from: Ednj on August 19, 2008, 06:03:40 AM
You need the fresh air space, you know like a double wall stove pipe.
The way Jack has his are just like the ones they sell at rv places.

I would still use a 3" or 4" PVC conduit for air space. I am going to make miine basically like Jack's. I am heading off to buy the 90 for my exhaust right now.

belfert · August 19, 2008, 06:47:08 AM

Jack, since your stack just hangs from the gutter, how do you keep it from slipping off if someone bumps, or is that not an issue?

Brian Elfert

JackConrad · August 19, 2008, 07:39:28 AM

That has not been a problem so far. The vertical stack sweep is a snug fit on the muffler outlet. Jack

Lin · August 19, 2008, 09:59:00 AM

To kill a dead horse, as the saying doesn't go, garage exhaust hose works well, is easy to locate where you want it, is easy to store, and does not get as hot as metal (it does get hot though). If one does not like the color, there is a rainbow at a paint store.

Barn Owl · August 19, 2008, 07:24:24 PM

I built one with what I had laying around. EMT compression coupler into a 90 degree EMT bend. The vertical stack was double wall gas pipe that can store easily in the bay. It is easy up/down/storage, and the materials are inexpensive. We use the hose where I work, but it is not cheep and requires an exhaust fan.

Here is an older post where it was covered:

http://www.busconversions.com/bbs/index.php?topic=8541.0

belfert · August 20, 2008, 11:00:08 AM

I ended up buying a custom piece of exhaust pipe and a 10 foot 3" PVC pipe to try making a generator exhaust stack. Total cost was about $30 versus $90 or so for the Genturi.

BJ · August 21, 2008, 11:03:16 PM

camping world has a exhaust stack that is engineered with air space for cooling and suction for around $100.00 looks real professional to me and works.....

belfert · August 22, 2008, 02:06:06 PM

The Camping World version is $150 now. The cheapest I have found the Gen-turi for is $130 plus shipping.

My version is $30. If it doesn't work and melts I buy a different type of pipe for another $10. I'm almost certain it won't the generator as I am using the same principle as the Gen-Turi.

JackConrad · August 22, 2008, 03:43:29 PM

Quote from: belfert on August 22, 2008, 02:06:06 PM
The Camping World version is $150 now. The cheapest I have found the Gen-turi for is $130 plus shipping.

My version is $30. If it doesn't work and melts I buy a different type of pipe for another $10. I'm almost certain it won't the generator as I am using the same principle as the Gen-Turi.

The one I made has lasted 8 years so far and it still working great. Since I had mosr of the parts laying around in my shop, i doubt if I have more than $10.00 invested. As with yours, mine also uses the same principal as the $100 one. Jack