This was something that I had thought of as well. My new one doesn't have a sunroof, so I've been thinking more seriously about installing a functional one for myself...
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11:27 PM
Mar 5th, 2007
AusFiero Member
Posts: 11513 From: Dapto NSW Australia Registered: Feb 2001
Hmm....how, ideally, should this work? Would some sort of baffle or air diffuser be needed? A convertible uses the windshield to buffer the wind from buffeting the occupants. Who would want 70mph (highway speeds) wind blowing directly on them? How would it be sealed in the winter time or during the rain? I wonder if the scoop should face rearward, creating a vacume drawing out warm air, thus pulling in cool air. Speaking of which, GM had flow thru ventilation. Meaning outside air always circulated thru the cabin with entrance and exit vents. These vents were in weather protected areas. Perhaps scoops at these intake vents can give you the effect you are looking for.
I started one, but never got around to finishing it (still have all the parts & pieces too)... I was using a WRX Rally roof vent to seal the opening & control the air flow: https://www.fiero.nl/forum/A...031229-1-032746.html
quote
Here's the scoop positioned on my roof skin:
And the vent itself (guaranteed to seal):
And another of the scoop a little farther along:
...lots of projects in the works, but only a little time to work on them!
Josh/Jch82 - also had the scoop installed on his car, but it was non-functional:
you could try making a fiberglass copy of your sunroof and building the vent into that. that way you could just put your glass roof back in for bad weather.
maybe to be more practical make a cowl hood scoop for the front trunk lid that would give you room to mount the vented fiberglass insert where the stock glass roof fits. then you'd have the option of always having both or be able to store either that you want carry to if you want the roof compleatly open.
or see how low you can make a vented insert that would still vent air but fit under the stock lid. maybe have a naca scoop leading into a really low scoop (hmmm...this last idea came to me while i was typing. hmmm...)
anyway, just tossing ideas.
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06:13 PM
Australian Member
Posts: 4701 From: Sydney Australia Registered: Sep 2004
you could try making a fiberglass copy of your sunroof and building the vent into that. that way you could just put your glass roof back in for bad weather.
That would be the idea i think it would be great as the car gets so hot inside especially here in Summer.
you could try making a fiberglass copy of your sunroof and building the vent into that. that way you could just put your glass roof back in for bad weather.
maybe to be more practical make a cowl hood scoop for the front trunk lid that would give you room to mount the vented fiberglass insert where the stock glass roof fits. then you'd have the option of always having both or be able to store either that you want carry to if you want the roof compleatly open.
or see how low you can make a vented insert that would still vent air but fit under the stock lid. maybe have a naca scoop leading into a really low scoop (hmmm...this last idea came to me while i was typing. hmmm...)
anyway, just tossing ideas.
Just wondering if anyone has considered the lift that the cowl is going to harbour unless the fibreglass insert is actually bolted to the roof, and not just slid in and clamped like the sunroof glass is...
It may work, but all I'm picturing is your roof flying off at 65 mph, that's all.
