forgot to ask, is there any reason why i can't run all of my sewer vents out a single pipe? that's teh way it was in my 18 footer. i can't figure out why a 19 foot globe trotter would need 3. i assumed i could run a vent tube up from the drain pipe to the grey tank, and put a "T" connection in there to run one from the black tank as well... leaving only a single hole/pipe sticking through the roof... much beter than having all 3, less than 3 feet apart, poking through the end cap! yuck!
forgot to ask, is there any reason why i can't run all of my sewer vents out a single pipe? that's teh way it was in my 18 footer. i can't figure out why a 19 foot globe trotter would need 3. i assumed i could run a vent tube up from the drain pipe to the grey tank, and put a "T" connection in there to run one from the black tank as well... leaving only a single hole/pipe sticking through the roof... much beter than having all 3, less than 3 feet apart, poking through the end cap! yuck!
jp
Yes, I think there is a reason for the two vents. One for the black tank alone and one for the rest of the sewer system. Thats the way my Caravel is set up anyway. Not knowing how you are doing your tanks though, you might get away with one vent. You could plumb the sewer system vent and black tank vents together, I would think. Depends on routing of the pipes. In my trailer it was just easier to reuse the existing two holes and routing.
i'm planning on running the black and grey tubes half way up the wall before T-ing them together. that should give me plenty of vertical distance to make sure the vent stays clear. The way things are set up, the black tank can vent straight up from the top of the tank. So can the grey, in fact. i'm thinking at this point it will be ok to run them together. i can't tell you how much i hate those sewer vents poking through the rear endcaps. especially when you know how hard it is to replace those panels! ha!
for the arm-chair airstreamer, here's a little sequence i did at lunch today... vent-pipe-ectomy #2...
step one, remove that caulk mess around the pipe. there is NO way Airstream did this kind of work. i can't figure out why the forward vent has an aluminum cowl around it, and a clean simple seal, while the rear 2 looked like this mess. horrible!
anyway, i removed the big chunks with a screw driver and putty knife...
i flattened out the bumps from the old screw holes, and taped the patch in place, making sure to mark one edge with a pen for re-installation. VERY important to make sure the holes line back up when you put it on...
take it off, clean up teh aluminum shavings, and put a good amount of sealer on there. i used alcoa, so i wouldn't have to open up a fresh tube of vulkem. it works great. so far i have done 7 patches this way, and no leaks!
I don't want to hijack this thread...I have a question though, when you do an aluminum patch, what do you do to the patch so the edges of it are smooth? Or do you just cut out a piece of aluminum and put it on that way? Your repair job looks gorgeous. Nice work, I'm following this thread. I'm glad you rescued this baby.
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ingrid
1967 24' Tradewind #19104 ~ Forums #4449
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Living vicariously until I retrieve mine from winter storage at the end of the month.
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