> Similarly, for moving motor vehicles, air always flows from the back to the front and > this is the basic principle upon which all vehicle through-flow systems > work. Absolute balderdash, kapiffle and tripe! Clive '88 Syncro Transporter ----- Original Message ----- From: "simon glen" <simonglen@BIGPOND.COM> To: <vanagon@GERRY.VANAGON.COM> Sent: Sunday, July 28, 2002 3:52 AM Subject: Re: Just wondering
> Through-Flow ventilation > > In fact, those vents at the back of the rear side windows on later > (1986-1992) Caravelles and Vanagons are not "exhaust vents" but ENTRY points > for fresh air. > > In the early days of steamships it was discovered that, when a ship was > under way, air inside the hull flowed from the stern to the bow. Similarly, > for moving motor vehicles, air always flows from the back to the front and > this is the basic principle upon which all vehicle through-flow systems > work. Even the little slotted aperture at the base of the front doors on > later T2 (bay-windows) and all T3 (Caravelles, Vanagons, etc) takes in air > from the cab interior and sends it through the door to the front of the door > where it is expelled through the slot between the door and the A-pillar. > > So, the best way to achieve a through-flow of fresh air through a Vanagon or > Caravelle is t0 have a rear-most side window open. > > However, if one makes the window at the rear door or hatch openable (as > suggested with a safari rear window), one would be courting disaster. Air > contaminated by the vehicle's exhaust would be sucked in. The occupants > would soon develop headaches, fall asleep and die from carbon monoxide > poisoning if they didn't first get wrapped around a tree when the driver > dozed off. > > Simon Glen > Toowoomba, Australia > 1992 syncro van |
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