There is a special mounting flange that should be used with the "newer"
airstreams. I wondering if that is why you all with the post 62 trailers
are having problems. I think (not sure) that the older 50's trailers used
a lighter rib than the newer ones. Back then the biggest job they had was
to hold the roof vents. Again A/C was not much of a factor back then - - -
boy have we gotton soft.
Ken Johansen
At 08:14 AM 5/8/01 -0700, you wrote:
> Reply to: RE: [VAC] Re: Roof AC NOT okay on '59??
>Charlie can probably answer this better, but here's what I found on 1968
trailers & earlier.
>
>Unless reinforced at production or by retrofit, there is only one frame
fore or aft of each vent opening. That may not be enough to support the
weight of the AC unit and the loads induced during road travel. Combine
that with the skin distortion caused by the clamping action between the
interior flange and shroud and the roof-top AC unit (this is what holds the
unit in place), and you can see why I removed our late model Duo-Therm AC.
>
>I think if you got an AC unit that downvented at the front of the unit and
mounted it over the frame aft of a vent, that would support the weight.
(using the opposite configuration for a vent with a forward frame).
>
>The interior flange and shroud would need to be small to not distort or
flatten the crown skin panel. I wonder if any one has found such a unit?
>
>RJ
>'65 Caravel
>
>
>
>
>johansen wrote:
>>... I figured they
>>reinforced the roof somehow. Perhaps RJ can jump in here, but I remember
>>him saying that his 60's Caravel roof was dented from a rooftop A/C.
>>Nothing substandard, you have to remember that ol Wally figured that you go
>>north in the summer and south in the winter.... which is why Airstreams
>>tend to be cold in winter and hot in summer.
>>
>>Ken Johansen
>>59 Traveler
>
>
>
>
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