Better air flow in the cab help

Bloku · Posted: Sun Jun 22, 2014 9:23 am Post subject: Better air flow in the cab help

Well, here where I hail from is a place where the tepature record is 50 C or 120 F with humidity. I have seen people who do this

Image may have been reduced in size. Click image to view fullscreen.

It looks like it pushes it away from the cab, but it could do what arrow dynamics do and make a low pressure zone and so on....

What I am really looking for is a way to get air in the cab almost like a car with vent window does. If anyone has and idea that I not hacking in a vent window or buying an AC it would really help Very Happy

Thanks

iowegian · Posted: Sun Jun 22, 2014 2:33 pm Post subject:

Stick your head out the window.

jpjohns · Posted: Sun Jun 22, 2014 2:45 pm Post subject:

I think that would get air in his face and not the cab. Shocked

_________________
-Jared

"Scrapyards are for quitters" - Beetlenut (a Samba member)

iowegian · Posted: Sun Jun 22, 2014 6:52 pm Post subject:

88 E5PR1T · Posted: Sun Jun 22, 2014 7:09 pm Post subject:

Is your glove box installed? If I open my glove box door (my compartment isn't in yet) I get an impressive amount of air flowing through it.
_________________
Rob

'64 Karmann Ghia "40HP VW"
instagram.com/40hpVW

iowegian · Posted: Sun Jun 22, 2014 7:12 pm Post subject:

PFN · Posted: Mon Jun 23, 2014 7:56 am Post subject:

I come from a place where the maximum temperatures are exactly the same. The Beetles which I have driven over the years have never had the clutches on their vent windows replaced, so they would blow shut at any speed over 30mph. That was warm on those 110F days...

But take the KG... Air vents on. Rear side windows popped open. Left and right windows down...

I don't see how you can ask for more ventilation than that buffeting blast...

As Don Draper said in Mad Men when he was asked to advertise for the first spray-on deodorant: "But Women Like the Way we Smell...."
_________________
1962 1/2 Australian Made Beetle
1961 factory RHD Karmann Ghia

(gone now)
1964 RHD Conversion Karmann Ghia
1956 RHD Beetle
1972 Kombi

Woreign · Posted: Mon Jun 23, 2014 12:46 pm Post subject:

I agree with the original poster, there isn't much air flow for the driver. The air flow goes to the back seat area instead. Here in Florida, the morning drive to work is OK, but driving home in the afternoon heat is unbearable! I miss the vent windows from the Beetles, Buses and Type3s. Only the Ghias and Things didn't get them...

cseay1 · Posted: Mon Jun 23, 2014 6:41 pm Post subject:

Install a Uni-Vent "crotch cooler" kit.. There's still a few original kits out there, or you could fab up your own.

_________________
Chris

1968 Karmann Ghia coupe - build log here: Chris' 68 Ghia Build Log - From the Woods back to the Street

Stop dead photo links! Post your photos to The Samba Gallery!

mfitzsimor · Posted: Mon Jun 23, 2014 7:13 pm Post subject:

OK, you've gotten me curious - I would have no problem procurring the pipes in the box and I can weld. What do I do with them? Any sketches or diagrams?

Thanks!

Mark
_________________
portland, or
69 cypress green ghia coupe
82 vanagon TD
86 quantum syncro

cseay1 · Posted: Mon Jun 23, 2014 7:45 pm Post subject:

They tap into the air intakes behind the nostrils and run into the kick panels.

_________________
Chris

1968 Karmann Ghia coupe - build log here: Chris' 68 Ghia Build Log - From the Woods back to the Street

Stop dead photo links! Post your photos to The Samba Gallery!

mfitzsimor · Posted: Mon Jun 23, 2014 8:06 pm Post subject:

cseay1,

Thank you! I love the simplicity of the system. The pipes will be easy - plenty of good exhaust shops around for the bent section and installation won't even take the car off the road.

Anyone have any thoughts on a source for a comparable vent control?

Mark
_________________
portland, or
69 cypress green ghia coupe
82 vanagon TD
86 quantum syncro

mfitzsimor · Posted: Mon Jun 23, 2014 10:53 pm Post subject:

Does anyone know if there is a type of plastic pipe that can be heated and gently bent, and will hold the bend after it has cooled?

I found several sources for the under dash vents - there are quite few options for aftermarket ac in hotrods with 2 1/2"round flip style vents that range from plastic @$10 on up to brushed aluminum @$170.

At the cheap end, its almost not worth the time it would take to see what I can find at the local U-Pull-It.

I read a bit about the VW crotch-coolers and the general consensus is that they only lasted 2 years (51-52) because they were such a failure. The shape of the VW beetle is such that it directed air well outside of the trap door scoops installed on the sides of the car just in front of the doors.
_________________
portland, or
69 cypress green ghia coupe
82 vanagon TD
86 quantum syncro

c21darrel · Posted: Tue Jun 24, 2014 10:26 am Post subject:

http://www.thesamba.com/vw/classifieds/search.php?...ton=Search

OLD VW NUT · Posted: Tue Jun 24, 2014 7:41 pm Post subject:

Years ago I had a 74 Ghia - damned thing had a habit of popping the front end cover latch on occasion - usually when I drove over a pothole. When it did the catch would prevent it from coming all the way up and it got real breezy inside until I pulled over to latch it back down. Maybe an idea for ventilation eh? Just be careful that the latch mechanism is stout enough to keep it from coming over the windshield.

One thing I noticed on the 74 and my current 71 is the front vents never have passed a lot of air. Seems like they should work better than they do given the grilles are right in the air stream.
_________________
71 Ghia Coupe - stock body - no rust! Powered by a 2110 W/Dual HPMX 44's - Rancho Pro Street Transaxle - A/C by Gilmore

Other car - 2013 VW Golf TDI

Altema · Posted: Wed Jun 25, 2014 7:37 am Post subject:

Problem with the stock fresh air vents is that they blow air onto the windshield in a way that the passengers can't feel it. This can be good when you want ventilation without anything blowing on you, which a lot of people find uncomfortable. However, it's no help on a hot day when you WANT to feel the breeze! From the side window, the aerodynamic bow wave from the windscreen pushes the air away from the windows, and this wave does not rejoin the body until just before the back quarter windows. Translation: Only air you get from the side windows is if the the seat is all the way back and you have you head leaned back. The wind wings push this bow wave out further so you don't get that blast.

There are a few ways around the issue though...
1. Crotch coolers like shown above, which I might just do myself.
2. A curved deflector on the A pillar which would catch the air and direct it into the cabin. This would not be difficult to mock up and attach to the rain gutter for testing.
3. A deflector for the defroster vents. These would let air flow to the glass like normal when flipped up, but would force it to blow to the occupant's faces when down. I've been thinking of experimenting with this since it would be easy to use and convenient.
4. Air conditioning. Gilmore makes a very good system specifically for our car that works well and uses very little power. But, it's expensive and is not something that you would do to a show car or a rare model.

Paul

c21darrel · Posted: Wed Jun 25, 2014 11:01 am Post subject:

^^^Paul, You didnt mention option #5. Cool

_________________
GhiaBuild
http://www.thesamba.com/vw/forum/viewtopic.php?t=481184
1967 DC build
https://www.thesamba.com/vw/forum/viewtopic.php?t=693583&highlight=67+dc
Stop dead photo links! Post your photos to The Samba Gallery!

KGCoupe · Posted: Wed Jun 25, 2014 11:06 am Post subject:

retrowagen · Samba Member Joined: October 11, 2004 Posts: 1856

I found that rolling the windows down worked quite well, actually. And if you have the added benefit of opening rear quarter windows, opening one opposite of a single opened front door window (with the windshield vents wide open) seems to move the air through nicely.

The inherent low pressure zone directly behind the "A" pillar should cause a nice volume of air to be sucked into the cabin, without awful buffeting, once the window is lowered.
_________________
David Ruby
President, Karmann-Ghia World Club

Altema · Posted: Wed Jun 25, 2014 1:07 pm Post subject:


Hello! Log in or Register \| Help \| Donate \| Buy Shirts	See all banner ads \| Advertise on TheSamba.com

	Forum Index -> Ghia	All times are Mountain Standard Time/Pacific Daylight Savings Time Page: 1, 2, 3 Next
Page 1 of 3