Getting exhaust outside

[thejudges69]

So my shop is 2 years old and where I park my peterbilt has started to yellow the ceiling already. We're installing an exhaust fan this spring, but that don't help the yellowing. When the truck starts it just blows the exhaust straight into the ceiling. I'm fine with the exhaust coming out into the shop and then the fan ***** it out, but I need to divert it out or down, somehow away from the ceiling.

Any thoughts or ideas that folks have used?

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[Jbullfrog]

I spent the money and installed a Harvey exhaust system across the trusses with drops thru the ceiling. It was close to $1500, but well worth it in the long run. I work on tractors and vehicles, so there is a tailpipe drop next to my hoist and 2 for tractors and semis. The yellow 5" hose is one of the drops. I use pulleys and paracord to pull them up out of the way.

 

[thejudges69]

I spent the money and installed a Harvey exhaust system across the trusses with drops thru the ceiling. It was close to $1500, but well worth it in the long run. I work on tractors and vehicles, so there is a tailpipe drop next to my hoist and 2 for tractors and semis. The yellow 5" hose is one of the drops. I use pulleys and paracord to pull them up out of the way.

Could I get just the hoses you think?

It's only on start up so I don't need a big expensive system. I just don't want my roof turning yellow and black. And since I'm a 1 man band I'd be happy just to divert the exhaust to the ground or something and let the exhaust fan grab it from there.

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[homebuilt burner]

On shop I worked in had a tube device made up just for that it looked kind of like a giant candy cane.

 

[thejudges69]

On shop I worked in had a tube device made up just for that it looked kind of like a giant candy cane.

That exactly what I want. Any idea what it was made of? I was thinking PVC, since the exhaust is not hot on initial startup.

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[B.C.Biker]

Stove pipe with elbows?

 

[jhelrey]

My buddies shop uses rubber hoses... I don't know why they don't melt. Granted, this is for regular sized vehicles.

 

[rburke65]

If you park in the same spot all the time, something along the lines of an exhaust hood with a fan....maybe on a timer. Turn timer on. Start the truck, pull out, timer off. ??

 

[thejudges69]

If you park in the same spot all the time, something along the lines of an exhaust hood with a fan....maybe on a timer. Turn timer on. Start the truck, pull out, timer off. ??

I don't want to complicate things. I park in the same spot 99% of the time. Just something to divert the exhaust off the ceiling

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[thejudges69]

My buddies shop uses rubber hoses... I don't know why they don't melt. Granted, this is for regular sized vehicles.

Don't think I can get rubber hoses 5-6" diameter. My tips stay cold on start up so that would work too.

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[EOC_Jason]

Maybe have a sheet metal shop fab you up some 90-degree elbows and line them with some rubber (use adhesive spray) so they don't scratch your pipes?

 

[thejudges69]

Maybe have a sheet metal shop fab you up some 90-degree elbows and line them with some rubber (use adhesive spray) so they don't scratch your pipes?

That's an idea. I have a local tin shop I can call tomorrow.

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[cdeer001]

Would black plastic drainage pipe work?
https://www.homedepot.com/p/4-in-x-10-ft-Corrugated-HDPE-Drain-Pipe-Solid-with-Bell-End-4540010/100212428

 

[coljar]

You need a funnel shaped smoke jack like they used in roundhouses during the steam locomotive days. You could duct it to an exhaust fan and put a damper in to keep the heat in when it's not in use. You don't have to be too precise on parking, either.

 

[thejudges69]

Would black plastic drainage pipe work?
https://www.homedepot.com/p/4-in-x-...in-Pipe-Solid-with-Bell-End-4540010/100212428

Possibly, some of that's not real flexible I think.

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[thejudges69]

You need a funnel shaped smoke jack like they used in roundhouses during the steam locomotive days. You could duct it to an exhaust fan and put a damper in to keep the heat in when it's not in use. You don't have to be too precise on parking, either.

Only issue with this is,if the trucks not in it's Normal spot then it will blow the smoke up.

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[wyo george]

We had an exhaust system with a giant funnel, looked like it came off a commercial stove at a restaurant. It was about 4ft wide and 6ft long so as long as you parked the tractor within a few feet of the same spot each time it worked great and that wasn't as issue since it was the same tractor in the same garage every time.

 

[zkdiesel]

We had an exhaust system with a giant funnel, looked like it came off a commercial stove at a restaurant. It was about 4ft wide and 6ft long so as long as you parked the tractor within a few feet of the same spot each time it worked great and that wasn't as issue since it was the same tractor in the same garage every time.

This is what I would do

 

[thejudges69]

We had an exhaust system with a giant funnel, looked like it came off a commercial stove at a restaurant. It was about 4ft wide and 6ft long so as long as you parked the tractor within a few feet of the same spot each time it worked great and that wasn't as issue since it was the same tractor in the same garage every time.

It's a good idea, but I need it to move with the truck. I have a couple hobby trucks, that won't be under the hood so I'd need something to cover them. But they aren't my main concern.

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[homebuilt burner]

Furnace duct pipe

Exhaust cutout under the cab??

Knock down stacks look cool if done correctly. Have you seen them lately?

 

[Ole Slewfoot]

Fume hood that hangs from your overhead crane.
You're welcome.

 

[kwb]

Paint every few years and live with it.

Since you are inside build a ramp to park on so you can roll outside and just use shop air to get the brakes to release.

Anything else is going to take real $$ to get the exhaust from stack to outsides.

 

[thejudges69]

Paint every few years and live with it.

Since you are inside build a ramp to park on so you can roll outside and just use shop air to get the brakes to release.

Anything else is going to take real $$ to get the exhaust from stack to outsides.

I can't paint insulation

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[thejudges69]

Fume hood that hangs from your overhead crane.
You're welcome.

Crane hangs 30' behind where the exhaust is, no thanks

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[thejudges69]

Furnace duct pipe

Exhaust cutout under the cab??

Knock down stacks look cool if done correctly. Have you seen them lately?

I like tall pipes, so not cutting them. And exhaust cut outs can be a dot nightmare if they don't seal 100%

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[dadsEH]

Flexible furnace ducting on stick....dont overthink it.

 

[thejudges69]

Flexible furnace ducting on stick....dont overthink it.

I'm not, I just couldn't come up with anything other then PVC. It's no my forte', so that's why I came here.

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[kbs2244]

It is the old 80/20 rule
In this case, do not let the 20% of “occasional” use get in the way of the 80% regular use.

Go with the oversized stove funnel idea.
(A 5 x 10 collector feeding into a 6 inch pipe should be fine. It will give you some parking room and plenty of pipe size.)

It will handle most of your problem and you already know how to live with the other 20%.

 

[thejudges69]

It is the old 80/20 rule
In this case, do not let the 20% of “occasional” use get in the way of the 80% regular use.

Go with the oversized stove funnel idea.

It will handle most of your problem and you already know how to live with the other 20%.

That's only fixing one area. I'm going to look for a flexible stove pipe, I'm not looking to hang a bunch of **** off my ceiling.

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[thejudges69]

Keep it simple is what I need.

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[NUTTSGT]

Diesel exhaust is a serious problem in the fire service. There have been several manufacturers that build options out there that might work for you. We use Ward No-Smoke units on our Engines.

Here's some links to some reading that you might find helpful.

https://www.nederman.com/en/industry_solutions/fire_and_emergency_stations

https://www.plymovent.com/en/vehicle-exhaust-extraction

https://warddiesel.com/


Maybe take a drive to the local fire house and ask them what they are using and how it works for them,

 

[thejudges69]

Diesel exhaust is a serious problem in the fire service. There have been several manufacturers that build options out there that might work for you. We use Ward No-Smoke units on our Engines.

Here's some links to some reading that you might find helpful.

https://www.nederman.com/en/industry_solutions/fire_and_emergency_stations

https://www.plymovent.com/en/vehicle-exhaust-extraction

https://warddiesel.com/


Maybe take a drive to the local fire house and ask them what they are using and how it works for them,

I'm going to be with the fire chief tomorrow. My old truck won't fire so I need his wiring schematic. My plan was to ask him.

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[Jbullfrog]

Could I get just the hoses you think?

It's only on start up so I don't need a big expensive system. I just don't want my roof turning yellow and black. And since I'm a 1 man band I'd be happy just to divert the exhaust to the ground or something and let the exhaust fan grab it from there.

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Yes, the hose is available by itself. I have an extra 10' extension to be able to hook to two intakes for a dual stack truck ot v-8 tractor. Call Harvey Exhaust and see who you have for dealers in your area. There is a J pipe that would work for you, it's setup for the in-ground systems. The hoses are $200 but they are rated for the heat.

 

[D.J.]

Try your local farm tiling store for a piece of corrugated drain tile at a possible less expensive option they will have the correct size.

 

[1redTA]

I second the fire department solution. they don’t always keep up with maintenance on the plymovent system and hang there unused may get a significant discount on a used system

For the large crash trucks an adapter was put on to the exhaust stacks and would start the system automatically.

 

[sberry]

I would want a collector to remove as much as I could soni didn't need to vent the whole place as much.
My Dad wants me to park old tractor in the shop in the cold weather and I dont. It doesn't register to him how difficult it is to clear the air. I rarely start smokey engines indoor in cold weather and dodnt have to run them to work on, I will pull it outside.
Everyone doing regular engine service would need a system . I picked a warm day a while back to move something so I could vent. When I had my old service truck in the shop I had a spot so I could use the paint fan, not a problem now as I moved it to storage.