6" SS EXHAUST STACK

[Pete Masterson]

I haven't researched it, but the problem of the 6" stack is the issue
-- almost all accessories max out at 5" diameter. Someone somewhere
might offer a 6" flap stack cover.

In the interim, perhaps a (metal) bucket and bungee cord would
provide protection. Use a small, light (kids) bucket, and no bungee
cord and it will remove itself when you start up -- otherwise, be
sure not to forget to remove it!

Pete Masterson
'95 Blue Bird Wanderlodge WBDA 42
aeonix1@...
On the road at Williams, AZ



On Dec 4, 2008, at 9:51 AM, Wallace Craig wrote:

> For us pore lawyer types; simple is the best solution. Do you know
> if the flap like I described is available that fits the coach that
> you and I have with 90 degree exhaust end?? I am going to be on
> South Padre Island for Jan & Feb and would like to keep water out.
>
> Wallace Craig
> 95 WLWB 42
> Azle, Texas
>
>
> --- On Thu, 12/4/08, Kurt Horvath wrote:
> From: Kurt Horvath
> Subject: [WanderlodgeForum] Re: 6" SS EXHAUST STACK
> To: WanderlodgeForum@yahoogroups.com
> Date: Thursday, December 4, 2008, 10:20 AM
>
> Hi Wallace, I looked into several options, the one I liked most was
> bi-metalic valves. That's a strip of metal that expands and
> contracts when heated and cooled. It's used in some muffler
> applications. When it's cold it leaves a gap over a hole when
> heated it contracts and covers the opening. Easy few parts
> automatic operation, simular to what you described. The current
> prototype can be modified in this manner. The electric valve can be
> removed and a flange can be put in it's place with any type of
> device from a bung with a plug to the exhaust dump valve to drain
> away the water. I wanted the trap to be capable of draining away an
> possible water flow that might be encountered. Five gallons a min.
> is most likly more than enough, unless that little son of gun
> Murphy shows up. L.O.L. Of course the rain cap will do the job but
> it's not a very attractive option, The 90 degree turn out pipe also
> works well but I've been trying to delete as many turns in the
> pipes as possible. The system that will be offered to the general
> public is a direct replacement of OEM parts for your coach, The
> photos that will be posted soon are of the exhaust going into my
> coach. Kurt Horvath 95 PT 42 10AC --- In
> WanderlodgeForum@yahoogroups.com, Wallace Craig
> wrote: > > Kurt, I am probably the last person on earth that you
> should tale advise from about anything mechanical. Having said
> that; can you not install a flap at the end of the exhaust that is
> weighted to stay closed when the engine is not operating? I know I
> have seen it on truck applications. > Keep Tennessee clean & green,
> maybe I will get back that way sometime soon. Fuel is $2.44 at
> Racetrack in Azle. Happy holidays. > > > Wallace Craig > 95 WLWB
> 42 > Azle, Texas > > --- On Thu, 12/4/08, Kurt Horvath
> wrote: > > From: Kurt Horvath > Subject:
> [WanderlodgeForum] Re: 6" SS EXHAUST STACK > To:
> WanderlodgeForum@yahoogroups.com > Date: Thursday, December 4,
> 2008, 8:58 AM > > Here we are 6 weeks after our last posts on my
> exhaust build. I > should have some photos today rain permitting.
> > > Some forum members brought up several points that I had not
> fully > considered or researched. > > Some of the mods are a 90
> degree turnout pipe up top, a 30 degree > miter cut with a rain
> visor and a drain tube on the necks bottom > inside curve of the
> turn out. This should keep most of the rain out. > > Not being able
> to decide on exactly which type of exit I wanted I > have built,
> two types the 90 I just described and a straight stack > with a
> rain cap. > > Yes David the same as on your JD, At least I polished
> it up. > > If you look at your PT's exhaust it's a straight shot
> from the > exhaust opening straight into your motor. Systems with
> mufflers have > water traps and some have drains as well, small
> holes drilled into > the bottom of the muffler. I opted out of a
> muffler, for a straight > stack, so some sort of rain trap had to
> be created that would not > interfere with the exhaust gas flow and
> trap and drain rain > accumulation of any proportions. A 5" hole
> can accumulate a lot of > water in a daily south Florida afternoon
> rain, day after day sooner > or later your going to fill the block
> with water. According to > Detroit this is a problem. DUH!!!
> Detroit used the words Catastrophic > Failure several times. > >
> This first post has a photo of the test drain trap. Look on the
> Home > Page for photo in Bumpersbird Album last pic. What you are
> looking at > is the drain section with the garden hose on full
> flow. 5 gallons per > min. As you can see it gets most of the flow.
> The section of tube on > the ground has been cut down to 6" long
> with a 3.5" electric exhaust > dump valve installed on a flange to
> open and close the water trap. At > this point it is manually
> operated by a rocker switch or a by a > remote key fob. > > I'm
> working on a thermal activated switch that will close the valve >
> upon heating or a sensor that will open the valve if it detects
> water > in the trap. The surest method of operation is to open it
> when parked > and close it before you crank up the motor > > Some
> of my modification will most likely raise some eyebrows, and the >
> commentary which when taken in the proper context may led to
> another > modification. > > Most likely NOT a this stage, unless of
> course someone spots a > glaring defect or error in my build. > >
> I'm ready to install the new pipes and go somewhere in the coach, >
> she's been in the barn since Aug. On the up side I have gotten >
> several large fix's and rebuilds done on her since I knew she would
> > sitting for a while. > > Comments, criticism, suggestions, jokes,
> remarks, welcomed. > > Currently this is a prototype for my coach,
> a direct replacement for > the 95-96 PT42's is in the works. It
> will be built Stainless Steel > and will be a direct bolt in
> application, to replace the OEM parts. > > > > Kurt Horvath > 95 PT
> 42 > 10AC > > > ------------------------------------ > > Yahoo!
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