I do not see 3D printer plans for this device but I did find some other
handy things we might need for our vans:

https://www.thingiverse.com/search?sort=relevant&q=vw+t3&type=things
and
https://www.thingiverse.com/search?sort=relevant&q=vanagon&type=things

Edward

On Thu, Feb 7, 2019 at 10:22 AM ddbjorkman@verizon.net <
ddbjorkman@verizon.net> wrote:

> HI Mark.  Thanks for your thoughts.  I live in MA where we have cold
> winters and, once the engine heats up, I rarely have any problem with heat
> or defrost.  I am very aware of why one's windows fog up and use the
> defrost lever correctly to take care of that.  It does what it should.  I
> am not contemplating cutting of all outside air at any time for a prolonged
> period.  I would just like to make the best of the A/C that I have.  The
> airbox has not been removed and resealed.  The setup I was looking at, just
> looking for fun more than anything, there are plenty of things I need and
> can't afford already, did not need one to R&R the dash.  The Bus is an
> (almost) daily driver also, so a job like that, for me, would mean
> considerable down time.  And maybe more than I want to handle.  Also,this
> is generating some list chatter, something we all enjoy, I think.
> Dave B.
> -----Original Message-----
> From: Mark Tuovinen <aksyncronaut@GMAIL.COM>
> To: vanagon <vanagon@GERRY.VANAGON.COM>
> Sent: Thu, Feb 7, 2019 12:30 am
> Subject: Re: Air recirculator
>
> Here are my random thoughts on this issue.  Yes it will provide a way to
> cut off air flow from outside if that is what you desire.  That said it
> will also increase the humidity inside the van and the windows will fog up
> more easily and often in cold weather.  This may not be an issue in your
> area but for those in cold or humid climates it is.  Has your air box been
> resealed?  That helps with unwanted airflow though there are design
> differences between the years and it may help some more than others.  You
> could build your own version of their kit if you are so inclined and have
> the tools, materials, time, and creativity, to do so.  I was working on one
> years ago when I was using my Sunroof Syncro as a year round daily driver
> and looking for a way to increase the cabin temperature.  My attempt was
> making slow progress as I did not have a spare heater box to practice on
> and was driving the van on a regular basis.  My first draft deleted the
> dash fresh air vents and used their outlets on the heater box as inlets.
> For the door to the outside air intake I was going to use one made of
> aluminum plate that was to sit between the inner firewall and the heater
> box.  I was working on this part when my SO replaced my daily driver Syncro
> with a new 2010 Honda Element for Christmas.  She must have gotten tired of
> hearing the kids complain of being driven to school at -20F with a blanket
> over their heads for for warmth.  In the end I never was able to finish the
> project as the Syncro was sold in the spring of 2010 before I could justify
> the time needed to complete it.  Living in Alaska I don't use the A/C in
> the Westy Syncro much, not in years at this point as the belt is off, but
> if I lived in a warmer climate I think I would invest in an in-dash A/C
> system.
>
> Mark in AK
> `87 Westy Syncro
>