Re: 47 Custom carpet question.
Posted by HH56 On 2014/6/24 16:33:26
Quote:
The "not a lot of room in some places" is quite the understatement. It has caused no end of grief trying to fit modern "universal" components and make them look old.
I never found exactly how Packard did the return other than bits and snippets of printed info where they said the seat was raised and air was directed under. Haven't seen a prewar unit up close and other than pictures of the main unit as it sits in the trunk, no photos I can fnd which really included the return air details. I do know the conventional body had the return in the bottom center of the case and thanks to the Clipper illustration from BDeB, now know that return was off to the side to avoid the X bracing -- but still fed from under the seat so they must have all been raised.
Since I wanted my unit to sort of look like Packard had done it but not knowing at the time the offset in Clippers, my solution was to build the thin plenum to fit behind the seat back and move the seat forward slightly. That plenum will have two narrow openings at the front of the package tray and a large opening centered under the seat. Will have a couple of small intake grills at package tray level with the one large air outlet in the center. Am hoping Joe will be successful in duplicating the prewar center outlet. If not, modern will have to do.
At present am leaning toward raising the seat so it is slightly higher than the carpet but not enough to call attention to the raise -- maybe 1/4" above. That will provide quite a bit of inlet area. The seat has chrome trim strips which I do not want to cut and some metal inside the base so putting grills in is a bit more of a challenge. Have been playing with a heater grill and right now am thinking it can be cut to fit between the trim for some added intake space if it turns out to be needed. That is still some thinking in progress though and there may be a better option.
Here is a few photos of the plenum. Screwdrivers show where the top inlets are, round pieces are the center air outlet location and the entire bottom is open for the under seat portion. The trunk part is about done. Just locating and attaching the removable duct portion for the split between the front and back seat outlets.
If anyone has photos of the seat and return air details on an AC car, would sure appreciate seeing them.
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Kansasboy wrote:
I wondered if you had decided how to return air to your
trunk unit? My son and I are contemplating putting a
similar setup in a 39 1707.Not a lot of room in some places.
J.S.
The "not a lot of room in some places" is quite the understatement. It has caused no end of grief trying to fit modern "universal" components and make them look old.
I never found exactly how Packard did the return other than bits and snippets of printed info where they said the seat was raised and air was directed under. Haven't seen a prewar unit up close and other than pictures of the main unit as it sits in the trunk, no photos I can fnd which really included the return air details. I do know the conventional body had the return in the bottom center of the case and thanks to the Clipper illustration from BDeB, now know that return was off to the side to avoid the X bracing -- but still fed from under the seat so they must have all been raised.
Since I wanted my unit to sort of look like Packard had done it but not knowing at the time the offset in Clippers, my solution was to build the thin plenum to fit behind the seat back and move the seat forward slightly. That plenum will have two narrow openings at the front of the package tray and a large opening centered under the seat. Will have a couple of small intake grills at package tray level with the one large air outlet in the center. Am hoping Joe will be successful in duplicating the prewar center outlet. If not, modern will have to do.
At present am leaning toward raising the seat so it is slightly higher than the carpet but not enough to call attention to the raise -- maybe 1/4" above. That will provide quite a bit of inlet area. The seat has chrome trim strips which I do not want to cut and some metal inside the base so putting grills in is a bit more of a challenge. Have been playing with a heater grill and right now am thinking it can be cut to fit between the trim for some added intake space if it turns out to be needed. That is still some thinking in progress though and there may be a better option.
Here is a few photos of the plenum. Screwdrivers show where the top inlets are, round pieces are the center air outlet location and the entire bottom is open for the under seat portion. The trunk part is about done. Just locating and attaching the removable duct portion for the split between the front and back seat outlets.
If anyone has photos of the seat and return air details on an AC car, would sure appreciate seeing them.
Attach file:
(72.52 KB)
(94.59 KB)
(111.05 KB)
(91.63 KB)
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