Re: The Duchess Project: 1940 Super 8 Convertible Sedan
Posted by HH56 On 2019/2/26 13:47:57
I honestly don't know the options you would have for mounting that heater under the rear seat. Normally the underseat heaters go under the front seat for hiding and protection and in the dual streams, blow both ways. With the 51 and later underseats air was forced only toward the rear. No idea if the 40 had underseat heaters and if not, do the seats have enough room for the box or are there are any provisions for holes for the tubes and motor or for mounting.
With going under the rear seat the question would be how the seat fits or attaches to the floor. In the Clippers there are supports running front to back which are part of the seat frame spaced about 8-10 inches apart which rest directly on a shelf like forming of the floor metal. There would be absolutely no room for the wide box between the supports. Based on the grill size I believe the rear in-seat heater on the Clipper cars was about 6" square and positioned in wide areas built into the seat and of a totally different design. Air enters at one side of the seat, is circulated thru the open space at the front and forced out another grill by the heater fan. No idea if the heater was made prewar or able to fit in conventional bodies.
Without knowing what the seat construction is like on your 40, I sort of expect the conventional bodies are similar and there is very limited space. Had there been any space or way to get air flow past the base, I would have thought there would have been no need to raise the seat to provide a path for return air flow for the AC units. At the very least, should you manage to install it under the rear seat expect you would need to add some slots or openings in the seat or frame for air flow. Don posted a photo of a 41 with what appears to be some kind of heater under it but from the looks of the opening I am not sure that is factory.
Here is what the Dual Stream looks like in the Clipper and photos of the in-seat heater used in limos etc. Have not seen the seat heater to know if any mods are made to the chassis or seat but believe it fits in the open space between the "shelf" and positioned in the flat square space in the wire frame visible as the third distinct area in from the side. Don's photo of the 41 with AC shows what appears to be some kind of heater under that seat but no idea which heater. I kind of question the opening as being factory since the core is showing but if it is maybe missing a grille and just showing the years of neglect. Don't believe he mentioned whether any other openings were seen.
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With going under the rear seat the question would be how the seat fits or attaches to the floor. In the Clippers there are supports running front to back which are part of the seat frame spaced about 8-10 inches apart which rest directly on a shelf like forming of the floor metal. There would be absolutely no room for the wide box between the supports. Based on the grill size I believe the rear in-seat heater on the Clipper cars was about 6" square and positioned in wide areas built into the seat and of a totally different design. Air enters at one side of the seat, is circulated thru the open space at the front and forced out another grill by the heater fan. No idea if the heater was made prewar or able to fit in conventional bodies.
Without knowing what the seat construction is like on your 40, I sort of expect the conventional bodies are similar and there is very limited space. Had there been any space or way to get air flow past the base, I would have thought there would have been no need to raise the seat to provide a path for return air flow for the AC units. At the very least, should you manage to install it under the rear seat expect you would need to add some slots or openings in the seat or frame for air flow. Don posted a photo of a 41 with what appears to be some kind of heater under it but from the looks of the opening I am not sure that is factory.
Here is what the Dual Stream looks like in the Clipper and photos of the in-seat heater used in limos etc. Have not seen the seat heater to know if any mods are made to the chassis or seat but believe it fits in the open space between the "shelf" and positioned in the flat square space in the wire frame visible as the third distinct area in from the side. Don's photo of the 41 with AC shows what appears to be some kind of heater under that seat but no idea which heater. I kind of question the opening as being factory since the core is showing but if it is maybe missing a grille and just showing the years of neglect. Don't believe he mentioned whether any other openings were seen.
Attach file:
(214.62 KB)
(112.70 KB)
(198.53 KB)
(241.91 KB)
(165.42 KB)
(80.20 KB)
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